2.out

[['network', u'motif'], ['simple', 'building', u'block'], ['complex', u'network', 'r.', 'milo'], ['et', 'al'], ['science'], ['doi'], ['/science..'], [u'resource'], ['article'], ['available', 'online'], ['www.sciencemag.org', '('], ['information'], ['information'], [u'service'], ['high-resolution', u'figure'], ['online', 'version'], ['article'], ['http'], ['//www.sciencemag.org/cgi/content/full///', 'supporting', 'online', 'material'], ['http'], ['list'], ['additional', u'article'], ['science', 'web'], ['article'], ['http'], ['article'], [u'article'], ['http'], ['otherarticles'], ['article'], ['article'], ['s'], ['isi', 'web'], ['science'], ['article'], [u'article'], ['highwire', 'press'], ['otherarticles'], ['article'], ['following', 'subject', u'collection'], ['cell', 'biology', 'http'], ['//www.sciencemag.org/cgi/collection/cell_biol', 'information'], [u'reprint'], ['article'], ['permission'], ['article'], ['part'], ['http'], ['//www.sciencemag.org/about/permissions.dtl', 'science'], ['print', 'issn'], ['online', 'issn'], ['last', 'week'], ['december'], ['american', 'association'], ['advancement'], ['science'], ['new', 'york', 'avenue', 'nw'], ['washington'], ['dc', 'copyright'], ['american', 'association'], ['advancement'], ['science'], [u'right'], ['title', 'science'], ['trademark'], [u'aaa'], ['cl', u'concentration'], ['sajama', 'ice', 'core'], ['number'], ['geomorphological', u'feature'], ['long-term', 'dry', u'climate'], ['decline'], ['human', 'activity'], ['altiplano'], [u'cave'], ['late', u'occupation'], ['sterile', 'mid-holocene', u'sediment'], ['few', u'site'], [u'cave'], ['show'], ['people'], ['area'], [u'site'], ['sporadic', 'occupation'], [u'wetland'], [u'valley'], ['large', u'spring'], [u'lake'], [u'wetland'], ['subsistence', u'resource'], ['arid', 'climate'], ['archaeological', 'data'], [u'area'], ['silencio', 'arqueologico', 'applies'], ['arid', u'area'], ['central', 'andes'], ['aridity', u'threshold'], ['early', u'society'], ['contrast'], ['weaker', 'expression'], ['humid', u'highland'], ['northern', 'chile'], ['s'], ['salar', 'huasco'], ['peru'], ['northwest', 'argentina'], ['silencio', 'arqueologico'], [u'cave'], ['review'], ['(', ')', ']'], ['coast'], ['peru'], [u'site'], ['ephemeral', u'stream'], ['southern', 'limit'], ['chile'], ['argentina'], ['t.', 'dillehay'], ['science'], ['d.', 'j.', 'meltzer', 'et', 'al.'], ['antiq'], ['t.', 'f.', 'lynch'], ['c.', 'm.', 'stevenson'], [u're'], ['d.', 'h.', 'sandweiss', 'et', 'al.'], ['science'], ['l.', 'nunez'], ['m.', 'grosjean'], ['i.', 'cartajena'], ['interhemispher~', 'ic', 'climate', u'linkage'], ['markgraf'], ['(', 'academic', 'press'], ['san'], ['m.', 'a.', 'geyh'], ['m.', 'grosjean'], ['l.', 'nunez'], ['u.', 'schotterer'], ['quat'], [u're'], ['j.', 'l.', 'betancourt'], ['c.', 'latorre'], ['j'], ['a.', 'rech'], ['j.', 'quade'], ['k.', 'rylander'], ['science'], ['m.'], ['et', 'al.'], ['global', 'planet'], ['change'], ['c.'], ['j.', 'l.', 'betancourt'], ['k.', 'a.', 'rylander'], ['j.', 'quade'], ['geol'], ['soc'], ['am'], ['bull'], ['charcoal'], [u'layer'], ['triangular', u'point'], ['tuina-'], ['tuina-'], ['tambillo-'], ['san'], ['tuyajto-'], ['cal', 'yr', 'b.p'], ['(', 'table', 's'], ['s'], ['p.', 'a.', 'baker', 'et', 'al.'], ['science'], ['g.', 'o.', 'seltzer'], ['s.', 'cross'], ['p.', 'baker'], ['r.', 'dunbar'], ['s.', 'fritz'], ['geology'], ['l.', 'g.', 'thompson', 'et', 'al.'], ['science'], ['m.'], ['science'], ['e.', 'p.', 'tonni'], ['communication'], ['m.', 't.', 'alberdi'], ['communication'], ['j.', 'fernandez', 'et', 'al.'], ['geoarchaeology'], ['histogram'], [u'midden'], ['(', ')'], ['m.'], ['l.', 'nunez'], ['i.', 'cartajena'], ['b.', 'messerli'], ['~', u're'], ['term', 'silencio', 'arqueologico'], ['mid', 'holocene', 'collapse'], ['human', 'population'], ['archaeological', u'site'], ['atacama', 'desert'], ['millennial-scale', 'drought'], ['term', 'silencio', 'archaeologico'], ['presence'], [u'human'], [u'site'], ['change'], ['spring'], ['river', u'oasis'], ['drain'], ['pleistocene'], [u'aquifer'], [u'site'], [u'wetland'], ['arid', 'middle', 'holocene'], ['laguna', 'miscanti'], ['m.'], ['science'], ['mid-holocene', 'hiatus'], ['inca', 'cueva'], ['huachichocana'], ['pintocamayoc'], ['yavi'], ['occupation'], [u'oasis'], ['susques'], ['quebrada', 'seca'], ['l.', 'nunez', 'et', 'al.'], ['atacamenos'], ['~', 'd.', 'h.', 'sandweiss'], ['k.', 'a.', 'maasch'], ['d.', 'g.', 'anderson'], ['science'], [u'grant'], ['national', 'geographic', 'society'], ['swiss', 'national', 'science', 'foundation'], ['nacional', 'de', 'desarrollo', 'cienti', 'fico', 'y', 'tecnologico'], [u'comment'], ['j.', 'p.', 'bradbury'], ['b.', 'meggers'], ['g.', 'seltzer'], ['d.', 'stanford'], ['online', 'material', 'www.sciencemag.org/cgi/content/full////', 'dc', u'fig'], ['s'], ['s', u'table', 's'], ['s'], ['september', 'network', u'motif'], ['simple', 'building', u'block'], ['complex', u'network', 'r.', 'milo'], ['s.', 'shen-orr'], ['s.', 'itzkovitz'], ['n.', 'kashtan'], ['d.', 'chklovskii'], ['u.'], [u'network'], ['many', u'field'], ['science'], ['structural', 'design', u'principle'], ['network', u'motif'], [u'interconnection'], ['complex', u'network'], [u'number'], ['randomized', u'network'], ['such', u'motif'], [u'network'], ['biochemistry'], ['neurobiology'], ['ecology'], ['engineering'], [u'motif'], ['ecological', 'food', u'web'], [u'motif'], ['genetic', u'network'], ['escherichia', 'coli'], ['saccharomyces'], ['world', 'wide', 'web'], ['similar', u'motif'], [u'network'], ['perform', 'information', 'processing'], [u'element'], ['biomolecules'], ['cell'], ['synaptic', u'connection'], [u'neuron'], ['caenorhabditis', 'elegans'], [u'motif'], ['universal', u'class'], [u'network'], ['approach'], ['basic', 'building', u'block'], [u'network'], ['complex', u'network'], ['nature'], ['global', 'statistical', u'feature'], ['small', 'world'], ['property'], ['short', u'path'], [u'node'], [u'connection'], ['addition'], ['many', 'natural', u'network'], ['few', u'node'], [u'connection'], ['average', 'node'], [u'type', u'reference'], [u'note', u'department'], [u'physic'], ['complex', u'system'], ['molecular', 'cell', 'biology'], ['weizmann', 'institute'], ['science'], ['rehovot'], ['israel'], ['spring', 'harbor', 'laboratory'], ['cold', 'spring', 'harbor'], ['ny'], ['usa'], ['*to', 'whom', 'correspondence'], ['email'], ['urialon'], [u'network'], ['scale-free', u'network'], ['fraction'], [u'node'], ['k', u'edge'], ['p'], ['k'], ['power', 'law', 'p'], ['k'], ['k'], ['global', u'feature'], ['understanding'], ['basic', 'structural', u'element'], ['class'], [u'network'], ['algorithm'], ['detecting', 'network', u'motif'], ['significant', u'pattern'], [u'interconnection'], ['application'], ['gene', 'regulation', 'network'], [u'method'], ['test', u'hypothesis'], ['social', u'network'], ['approach'], ['type'], ['connectivity', 'graph'], ['striking', 'appearance'], ['fig'], ['('], [')', u'example'], [u'interaction'], [u'edge'], [u'node'], [u'network'], ['present', 'study'], [u'network'], ['scale'], ['biomolecules'], ['transcription', 'factor', 'protein', 'x', u'bind', 'regulatory', 'dna', u'region'], ['gene'], ['production', 'rate'], ['protein', 'y'], [u'cell'], ['neuron', 'x'], ['y'], [u'organism'], ['x', u'feed'], ['y'], ['(', 'b'], [u'type'], ['subgraphs'], ['october', 'vol', 'science', 'www.sciencemag.org', u'report', u'motif'], [u'network'], ['broad', 'range'], ['natural', u'phenomenon'], [u'network'], [u'interaction'], [u'node'], [u'edge'], [')'], ['network'], ['possible', 'n-node', 'subgraphs'], ['present', 'study'], ['n'], ['number'], [u'occurrence'], ['subgraph'], ['network'], ['numerous', u'type'], ['nnode', 'subgraphs'], ['real', 'network'], [u'network'], [u'pattern'], ['real', 'network'], [u'number'], ['randomized', u'network'], [')'], ['stringent', 'comparison'], [u'network'], ['same', 'single-node', u'characteristic'], ['real', 'network'], ['node'], ['randomized', u'network'], ['same', 'number'], [u'edge'], ['corresponding', 'node'], ['real', 'network'], ['comparison'], ['randomized', 'ensemble', u'account'], [u'pattern'], ['single-node', u'characteristic'], ['network'], ['e.g.'], ['presence'], [u'node'], ['large', 'number'], [u'edge'], ['randomized', u'network'], ['significance'], ['nnode', 'subgraphs'], ['same', 'number'], [u'appearance'], ['n'], ['-node', 'subgraphs'], ['real', 'network'], ['ensures'], ['high', 'significance'], ['pattern'], ['significant', 'subpattern'], ['network', u'motif'], [u'pattern'], ['probability', 'p'], ['randomized', 'network'], ['number'], [u'time'], ['real', 'network'], ['cutoff', 'value'], [u'pattern'], ['approach'], ['algorithm'], ['several', u'network'], ['biochemistry'], ['transcriptional', 'gene', 'regulation'], ['ecology'], ['food', u'web'], ['neurobiology'], ['neuron', 'connectivity'], ['engineering'], ['electronic', u'circuit'], ['world', 'wide', 'web'], ['network'], ['table', 'transcription', u'network'], ['biochemical', u'network'], ['regulating'], ['expression'], [u'gene'], [u'cell'], [u'graph'], ['represent', u'gene'], [')'], [u'edge'], ['gene'], ['transcription', 'factor', 'protein'], ['gene'], ['transcription', 'factor'], ['transcriptional', 'regulation', u'network'], [u'organism'], ['different', u'kingdom'], ['eukaryote'], ['yeast', 'saccharomyces'], ['bacterium'], ['escherichia', 'coli'], ['transcription', u'network'], ['same', u'motif'], ['three-node', 'motif'], ['feedforward', 'loop'], ['four-node', 'motif'], [u'motif'], ['numerous', u'time'], ['network'], ['table', ')'], ['nonhomologous', 'gene', u'system'], ['perform'], ['biological', u'function'], ['number'], [u'time'], ['standard', u'deviation'], ['mean', 'number'], [u'appearance'], ['randomized', u'network'], ['subgraphs'], ['possible', 'different', 'three-node', 'subgraphs'], ['different', 'four-node', 'subgraphs'], ['network', u'motif'], ['many', 'other', 'three-'], ['four-node', 'subgraphs'], [u'network'], [u'number'], ['mean', 'plus', 'standard', u'deviation'], ['appearance'], ['randomized', u'network'], ['algorithm'], ['food', u'web'], [u'node'], [u'group'], [u'specie'], [u'edge'], ['node'], ['predator'], ['node'], ['prey'], ['data'], ['different', u'group'], ['distinct', u'ecosystem'], ['terrestrial', u'habitat'], ['food', u'web'], ['three-node', 'network', u'motif'], ['four-node', 'network', u'motif'], [u'motif'], [u'motif'], [u'network'], ['type'], ['food', u'web'], ['three-node', 'motif'], ['four-node', 'motif'], ['table', ')'], ['contrast'], ['three-node', 'motif'], ['chain'], ['three-node', 'feedforward', 'loop'], ['food', u'web'], ['direct', u'interaction'], [u'specie'], ['separation'], [u'layer'], ['case'], [u'omnivore'], ['biparallel', 'motif'], [u'specie'], ['same', 'predator'], ['tend'], ['same', 'prey'], ['network', u'motif'], ['general', u'tendency'], ['food', u'web'], ['neuronal', 'connectivity', 'network'], ['nematode'], ['elegans'], [u'node'], [u'neuron'], ['neuron', 'fig'], ['schematic', 'view'], ['network'], ['detection'], ['network', u'motif'], [u'pattern'], ['recur'], [')'], ['real', 'network'], ['b'], ['randomized', u'network'], ['node'], ['randomized', u'network'], ['same', 'number'], [u'edge'], ['corresponding', 'node'], ['real', 'network'], [u'line'], [u'edge'], ['feedforward', 'loop'], ['occurs'], [u'time'], ['real', 'network'], ['fig'], ['concentration', 'c'], ['feedforward', 'loop'], ['subnetworks'], ['e.', 'coli', 'transcription', 'network'], ['c'], ['number'], [u'appearance'], ['motif'], ['total', 'number'], [u'appearance'], ['three-node', 'subgraphs'], ['subnetworks'], ['size', 's'], ['choosing'], ['node'], ['random'], ['edge'], ['s'], [u'edge'], ['s'], ['present'], ['full', 'network'], ['subsubnetwork', 'size', u'network'], ['shown'], ['subnetworks'], ['size'], ['concentration'], ['feedforward', 'loop', 'real', 'random', 'www.sciencemag.org', 'science', 'vol', 'october'], [u'class'], [u'edge'], ['synaptic', u'connection'], [u'neuron'], ['feedforward', 'loop'], ['agreement'], ['anatomical', u'observation'], ['triangular', 'connectivity', u'structure'], ['four-node', u'motif'], ['bi-parallel', '(', 'table', ')'], [u'motif'], ['feedforward', 'loop'], ['bi-fan', ')'], ['transcriptional', 'gene', 'regulation', u'network'], ['similarity'], [u'motif'], ['fundamental', 'similarity'], ['design', u'constraint'], [u'type'], [u'network'], [u'network', 'function'], ['information'], ['sensory', u'component'], ['sensory', 'neurons/transcription', u'factor'], ['biochemical', u'signal'], [u'effector'], ['motor', 'neurons/structural', u'gene'], ['feedforward', 'loop'], [u'type'], [u'network'], ['functional', 'role'], ['information', 'processing'], ['possible', 'function'], ['circuit'], ['output'], ['input', 'signal'], ['rapid', 'deactivation'], ['input'], ['input'], ['neural', 'feedforward', u'loop'], ['sensory', u'neuron'], ['type'], ['information', 'processing'], ['transient', 'input', u'fluctuation'], ['noisy', 'environment'], ['several', 'technological', u'network'], ['iscas'], ['sequential', 'logic', 'electronic', u'circuit'], [u'node'], [u'circuit'], ['logic', u'gate'], [u'flip-flop'], [u'node'], [u'edge'], [u'motif'], [u'circuit'], [u'class'], ['correspond'], ['circuit'], ['functional', 'description'], [u'class'], ['forwardlogic', u'chip'], ['digital', 'fractional', u'multiplier'], ['digital', 'fractional', u'multiplier', 'share'], [u'motif'], ['three-'], ['four-node', 'feedback', u'loop'], ['forward', 'logic', u'chip', 'share'], ['feedforward', 'loop'], ['bi-parallel', u'motif'], [u'motif'], ['neuronal', 'information-processing', u'network'], ['different', 'set'], [u'motif'], ['network'], [u'hyperlink'], ['world', 'wide', 'web', u'page'], ['single', 'domain'], ['world', 'wide', 'web', u'motif'], ['design'], ['short', u'path'], ['related', u'page'], ['application'], ['approach'], [u'network'], ['distinct', u'set'], [u'motif'], [u'network'], ['protein', u'interaction'], ['internet', 'router', u'connection'], ['none'], ['network'], ['food', u'web'], [u'motif'], ['gene', 'regulation', u'network'], ['world', 'wide', 'web'], ['food', 'web', 'consensus', u'motif'], ['neuronal', 'network'], ['different', 'motif'], ['electronic', u'circuit'], ['different', u'function'], [u'motif'], ['broad', u'class'], [u'network'], ['specific', u'type'], ['elementary', u'structure'], [u'motif'], [u'process'], ['type'], ['network'], ['example'], ['food', u'web'], ['flow'], ['energy'], ['bottom'], ['food', u'chain'], ['gene', 'regulation'], ['neuron', u'network'], ['process', 'information'], ['information', 'processing'], ['rise'], ['different', u'structure'], [u'doe', 'energy', 'flow'], ['statistical', 'significance'], [u'motif'], ['function'], ['network', 'size'], ['considering', u'piece'], ['various', u'size'], ['subnetworks'], ['full', 'network'], ['concentration'], [u'motif'], ['subnetworks'], ['full', 'network'], ['fig'], [')'], ['contrast'], ['concentration'], ['corresponding', 'subgraphs'], ['randomized', u'version'], ['subnetworks'], ['size'], ['analogy'], ['statistical', u'physic'], ['number'], [u'appearance'], ['motif'], ['real', u'network', 'network', u'node', u'edge'], ['nrand', 'sd', 'x', 'y', 'z', 'z', 'score', 'feedforward', 'loop', 'nreal', 'x', 'nrand', 'sd', 'y', 'z', 'score', 'bi-fan', 'nreal', 'nrand', 'sd', 'z', 'score', 'gene', 'regulation'], ['transcription'], ['z', 'e.', 'coli', 's.'], [u'neuron'], ['x', 'y', 'z', 'x', 'y', 'z', u'n', u'n'], ['feedforward', 'y', 'loop', 'z', 's'], ['electronic', u'circuit'], ['digital', 'fractional', u'multiplier'], ['x', 'threenode', 'feedback', 'loop', 'feedback'], ['mutual', u'dyad'], ['feedforward', 'loop', 'x', 'w', 'y', 'bi-fan', 'y', 'w', 'x', 'z', 'biparallel', 'z', 'x', 'y', 'w', 'x', 'w', 'biparallel', 'c.', 'elegans', 'food', u'web'], ['chain', 'z'], ['rock'], ['st.', 'martin', 'chesapeake', 'coachella'], ['b.', 'brook', 'electronic', u'circuit'], ['logic', u'chip'], ['y', 'bi-fan', 'y', 'x', 'z', 'w', 'biparallel', 'z', 'w', 'y', 'bi-fan', 'x', 'y', 'y', 's'], ['s', 'world', 'wide', 'web', 'z', 'x', 'y', 'z', 'z', 'x', 'y', 'e', 'w'], ['triad', 'z', 'w', 'x', 'fournode', 'feedback', 'loop'], ['mutual', 'dyad', 'z', 'ee', 'y', 'e', 'z', 'e', 'e'], ['e', 'e', 'e', 'e'], ['additional', 'four-node', 'motif'], ['x', 'z'], ['w'], ['y', 'z'], ['w'], ['z', 'w'], ['nreal'], ['nrand'], ['z'], ['additional', 'four-node', 'motif'], ['x', 'y'], ['z'], ['y', 'z'], ['z', 'w'], ['nreal'], ['nrand'], ['z'], ['three-node', 'pattern'], ['x', 'y'], ['z'], ['y', 'z'], ['z', 'y'], ['random'], ['motif'], ['present', 'definition'], ['distinct', u'set'], [u'node'], ['u', u'time'], ['additional', 'four-node', 'motif'], ['x', 'y'], ['additional', 'three-node', u'motif'], ['x', 'y'], ['z'], ['y', 'z'], ['w'], ['z', 'x'], ['w', 'x'], ['nreal'], ['nrand'], ['z', 'y', 'z'], ['z', 'y'], ['nreal', 'e'], ['nrand', 'e', 'e'], ['z'], ['x', 'y'], ['z'], ['y', 'z'], ['nreal', 'e'], ['nrand', 'e', 'e'], ['z', 'october', 'vol', 'science', 'www.sciencemag.org'], ['table', 'network', u'motif'], ['technological', u'network'], [u'number'], [u'node'], [u'edge'], ['network'], ['motif'], [u'number'], [u'appearance'], ['real', 'network'], ['nreal'], ['randomized', u'network'], ['nrand', 'sd'], [u'value'], ['p', 'value'], [u'motif'], ['p'], ['comparison'], [u'network'], ['case'], ['world', 'wide', 'web'], ['qualitative', 'measure'], ['statistical', 'significance'], ['z', 'score'], ['nreal', 'nrand'], [u'n'], ['shown'], [u'motif'], ['occur'], ['u', u'time'], ['different', u'set'], [u'node'], [u'network'], ['transcription', u'interaction'], ['regulatory', u'protein'], [u'gene'], ['bacterium', 'e.', 'coli'], ['yeast', 's.', 'cerevisiae'], ['synaptic', u'connection'], [u'neuron'], ['c.', 'elegans'], [u'neuron'], [u'synapsis'], ['trophic', u'interaction'], ['ecological', 'food', u'web'], ['benthic', u'specie'], ['little', 'rock', 'lake'], [u'bird'], [u'fish'], ['estuary', ')'], [u'fish'], ['chesapeake', 'bay'], [u'lizard'], ['st.', 'martin', 'island'], ['pond'], ['pelagic', 'lake', u'specie'], ['bridge', 'brook', 'lake'], ['diverse', 'desert', u'taxon'], ['coachella', 'valley'], ['electronic', 'sequential', 'logic', u'circuit'], ['iscas'], [u'node'], ['logic', u'gate'], [u'flip-flop'], ['partial', u'scan'], ['forward-logic', u'chip'], ['digital', 'fractional', u'multiplier'], ['benchmark', 'set'], ['world', 'wide', 'web', u'hyperlink'], ['web', u'page'], ['single', 'domain'], ['three-node', u'motif'], ['e'], ['power'], ['e.g.'], ['e'], [u'report'], ['extensive', 'variable', '(', 'i.e.'], ['system', 'size'], [u'variable'], ['randomized', u'network'], ['existence'], ['such', u'variable'], ['unifying', 'property'], [u'system'], ['decrease'], ['concentration', 'c'], ['randomized', 'network', 'size', 's'], ['fig.'], ['exact', u'result'], ['erdos-renyi', 'random', u'graph'], ['random', u'graph'], ['number'], [u'node'], [u'edge'], ['real', 'network'], ['c'], ['network'], [u'motif'], ['trend'], ['comparing', u'network'], ['different', u'size'], ['network'], ['detection', 'algorithm'], ['small', u'network'], ['order'], [u'edge'], ['four-node', 'subgraphs'], ['large', u'number'], ['small', u'network'], ['approach'], ['data', u'error'], ['example'], [u'set'], ['significant', 'network', u'motif'], [u'network'], ['addition'], ['removal'], ['rearrangement'], ['%'], [u'edge'], ['random'], ['information-processing', u'network'], [u'motif'], ['specific', u'function'], ['elementary', 'computational', u'circuit'], [u'structure'], ['special', u'constraint'], ['network'], ['value'], ['network', u'motif'], ['order'], ['insight'], ['dynamical', 'behavior'], [u'class'], [u'network'], ['network', u'homology'], ['approach'], ['type'], ['network'], [u'color'], [u'edge'], [u'node'], [u'type'], [u'motif'], ['other', u'network'], [u'process'], ['yield'], [u'motif'], ['network', 'evolution'], [u'arrow'], ['node'], [u'network'], ['detecting', 'four-node', u'motif'], ['above', u'characteristic'], [u'number'], ['three-node', 'subgraphs'], ['real', 'network'], [u'algorithm'], ['randomized', 'network', u'ensemble'], ['additional', 'information'], [u'method'], ['supporting', 'material'], ['science', 'online'], ['d.', 'thieffry'], ['a.', 'm.', 'huerta'], ['e.', 'perez-rueda'], ['j.'], ['bioessays'], ['m.', 'c.', 'costanzo', 'et', 'al.'], ['nucleic', u'acid', u're'], ['j.'], ['f.', 'briand'], ['c.', 'newman'], ['community', 'food', u'web'], ['data'], ['theory'], ['springer'], ['berlin'], ['r.', 'williams'], ['n.', 'martinez'], ['nature'], ['s.', 'pimm'], ['j.', 'lawton'], ['j.'], ['nature'], ['j'], ['e.', 'southgate'], ['j.', 'thomson'], ['s.', 'brenner'], ['philos'], ['trans'], ['r.', 'soc'], ['london', 'ser'], ['f.', 'brglez'], ['d.', 'bryan'], ['k.', 'kozminski'], ['proc'], ['ieee'], ['symp'], [u'circuit', 'syst.'], ['(', ')'], ['erdos-renyi'], [u'network'], ['connectivity'], ['concentration'], ['subgraph'], ['n', u'node'], ['k', u'edge', u'scale'], ['network', 'size'], ['c', 'snk'], ['c', '/s'], ['feedforward', 'loop'], ['fig'], ['k'], ['sole', 'exception'], ['c'], ['large', 's'], ['three-chain', 'pattern'], ['food', u'web'], ['n'], ['k', 'd.', 'callaway'], ['j.', 'hopcroft'], ['j.', 'kleinberg'], ['m.', 'newman'], ['s.', 'strogatz'], ['rev'], ['e'], ['s.', 'maslov'], ['k.', 'sneppen'], ['valuable', u'discussion'], ['j.', 'collado-vides'], ['n.', 'martinez'], ['r.', 'govindan'], ['r.', 'durbin'], ['l.'], ['r.', 'cancho'], ['s.', 'maslov'], ['k.', 'sneppen'], ['data'], ['d.', 'alon'], ['e.', 'domany'], ['m.', 'elowitz'], ['i.', 'kanter'], ['o.', 'hobart'], ['m.', 'naor'], ['d.', 'mukamel'], ['a.', 'murray'], ['s.', 'quake'], ['r.', 'raz'], ['m.', 'reigl'], ['m.', 'surette'], ['k.', 'sneppen'], ['p.', 'sternberg'], ['e.', 'winfree'], [u'member'], ['lab'], [u'comment'], ['aspen', 'center'], [u'physic'], ['hospitality'], ['part'], ['work'], ['support'], ['israel', 'science', 'foundation'], ['human', 'frontier', 'science', 'program'], ['minerva', 'foundation'], ['online', 'material', 'www.sciencemag.org/cgi/content/full////dc', u'method', 'table', 's'], ['september', 'progression'], ['vertebrate', 'limb', 'development'], ['shh-mediated', 'counteraction'], ['gli', 'pascal', 'te', 'welscher'], ['aimee', 'zuniga'], ['sanne', 'kuijper'], [u'han', 'j.', 'goedemans'], ['frits'], ['rolf'], ['distal', 'limb', 'development'], ['specification'], ['digit', u'identity'], [u'tetrapod'], ['control'], ['mesenchymal', 'organizer'], ['polarizing', 'region'], ['sonic', 'hedgehog'], ['shh'], ['morphogenetic', 'signal'], ['region'], ['posterior', 'limb', 'bud'], ['ectopic', 'anterior', 'shh'], ['induces', 'digit', u'duplication'], ['major', 'cause'], ['congenital', u'malformation'], ['result'], ['digit'], ['gli-deficient', u'mouse', 'arises'], ['shh'], ['disruption'], ['gli', u'allele'], ['mouse', u'embryo'], ['shh'], ['limb', 'distal', 'development'], ['digit', 'formation'], ['genetic', 'analysis'], ['shh'], ['counteracts', 'gli-mediated', 'repression'], ['key', 'regulator', u'gene'], ['cell', 'survival'], ['distal', 'progression'], ['limb', 'bud', 'development'], ['hedgehog'], ['hh'], ['pathway', u'control', 'many', 'key', 'developmental', u'process'], ['animal', 'embryogenesis'], ['drosophila', u'embryo'], [u'function'], ['hh'], ['transcriptional', 'effector', 'cubitus', 'interruptus'], ['ci'], ['several', 'homologs'], ['hh'], ['ci'], [u'vertebrate'], ['sonic', 'hedgehog'], ['shh'], ['ci', 'homolog', 'gli'], ['vertebrate', 'limb', 'development'], ['gli', u'act'], ['initiation'], [u'reference'], [u'note', 's.', 'h.', 'strogatz'], ['nature'], ['b.'], ['random', u'graph'], ['london'], ['d.', u'watt'], ['s.', 'strogatz'], ['nature'], ['a.-l.', 'barabasi'], ['r.', 'albert'], ['science'], ['m.', 'newman'], ['proc'], ['natl'], ['acad'], ['sci'], ['u.s.a.'], ['(', ')'], ['h.'], ['b.', 'tombor'], ['r.', 'albert'], ['z.', 'n.', 'oltvai'], ['a.', 'l.', 'barabasi'], ['nature'], ['r.', 'f.', 'cancho'], ['c.', 'janssen'], ['r.', 'v.', 'sole'], ['rev'], ['e'], ['r.', 'f.', 'cancho'], ['r.', 'v.', 'sole'], ['proc'], ['r.', 'soc'], ['london', 'ser'], ['l.'], ['a.', 'scala'], ['m.', 'barthelemy'], ['h.', 'stanley'], ['proc'], ['natl'], ['acad'], ['sci'], ['u.s.a.'], ['(', ')'], ['b.', 'huberman'], ['l.'], ['nature'], ['s.', 'shen-orr'], ['r.', 'milo'], ['s.'], ['u.', 'alon'], ['nature', 'genet'], ['p.'], ['s.', 'leinhardt'], ['sociological', 'methodology'], ['d.', 'heise'], ['(', 'jossey-bass'], ['san', 'francisco'], ['pp'], ['s.', 'wasserman'], ['k.'], ['social', 'network', 'analysis'], ['cambridge', 'univ'], ['press'], ['new', 'york'], ['n.'], ['s.', 'bottani'], ['p.', 'bourgine'], ['f.', 'kepes'], ['nature', 'genet'], ['m.', 'newman'], ['s.', 'strogatz'], ['d.', u'watt'], ['phys'], ['rev'], ['e'], ['s.', 'maslov'], ['k.', 'sneppen'], ['science'], [u'network'], ['detecting', 'threenode', u'motif'], [u'number'], ['double', u'edge'], ['department'], ['developmental', 'biology'], ['faculty'], ['biology'], ['utrecht', 'university'], ['padualaan'], ['nl-', 'ch', 'utrecht'], ['netherlands'], ['hubrecht', 'laboratorium'], ['uppsalalaan'], ['nl-', 'ct', 'utrecht'], ['netherlands'], ['*to', 'whom', 'correspondence'], ['email'], ['r.zeller', '@', 'bio.uu.nl', 'limb', 'bud', 'development'], ['activation'], ['shh'], ['posterior', 'restriction'], ['basic', 'helix-loop-helix', 'transcription', 'factor', 'dhand'], ['dhand'], ['turn', 'prevents'], ['expression'], ['panel'], ['addition'], ['gli', 'restricts'], ['shh-independent', 'early', 'expression'], ['hoxd', u'gene'], ['posterior', 'mesenchyme'], [u'function'], ['activation'], ['shh', 'expression'], ['limb'], ['morphogenesis'], ['reciprocal', u'interaction'], [u'center'], ['panel'], ['polarizing', 'region'], ['instructive', 'organizer'], ['posterior', 'limb', 'bud', 'mesenchyme'], ['apical', 'ectodermal', 'ridge'], ['aer'], ['shh'], ['region'], ['combination'], ['bone', 'morphogenetic', u'protein', 'www.sciencemag.org', 'science', 'vol', 'october']]
[('nrand sd x y z z score feedforward loop nreal x nrand sd y z score bi-fan nreal nrand sd z score gene regulation', 31.195212087052113), (u'feedforward loop x w y bi-fan y w x z biparallel z x y w x w biparallel c. elegans food web', 30.16179085381381), ('y bi-fan y x z w biparallel z w y bi-fan x y y s', 19.60006179855534), ('s world wide web z x y z z x y e w', 16.567405342189), ('mutual dyad z ee y e z e e', 15.343875209087017), ('feedforward loop real random www.sciencemag.org science vol october', 10.533022097727981), (u'x y z x y z n n', 10.507739415056488), (u'transcription factor protein x bind regulatory dna region', 10.333333333333334), ('triad z w x fournode feedback loop', 8.40194712031154), (u'bone morphogenetic protein www.sciencemag.org science vol october', 8.348148148148148), ('nacional de desarrollo cienti fico y tecnologico', 7.3939393939393945), (u'online material www.sciencemag.org/cgi/content/full////dc method table s', 7.1890756302521), (u'real network network node edge', 7.045129162776222), (u'pathway control many key developmental process', 7.0), ('feedforward y loop z s', 6.870676430217321), (u'october vol science www.sciencemag.org report motif', 6.665608465608465), ('p. a. baker et al.', 6.609126984126984), (u'online material www.sciencemag.org/cgi/content/full//// dc fig', 6.488095238095238), ('d. j. meltzer et al.', 6.427579365079365), ('possible different three-node subgraphs', 6.3850815850815845), ('m. c. costanzo et al.', 6.373538011695906), (u'note s. h. strogatz', 6.2595238095238095), ('d. h. sandweiss et al.', 6.190079365079365), (u'complex network r. milo', 6.034173669467786), ('z e. coli s.', 6.026596980255516), ('r.zeller @ bio.uu.nl limb bud development', 6.0), ('randomized network size s', 5.9714285714285715), ('x threenode feedback loop feedback', 5.870588235294118), ('l. g. thompson et al.', 5.869949494949495), ('bi-parallel ( table )', 5.850961538461538), ('e. coli transcription network', 5.687114845938376), ('z october vol science www.sciencemag.org', 5.665221318879856), ('basic helix-loop-helix transcription factor dhand', 5.533333333333333), (u'mean plus standard deviation', 5.5), (u'b. brook electronic circuit', 5.5), (u'food web consensus motif', 5.464126984126984), ('l. nunez et al.', 5.369949494949495), ('~ d. h. sandweiss', 5.3428571428571425), (u'sequential logic electronic circuit', 5.333333333333333), (u'electronic sequential logic circuit', 5.333333333333333), ('//www.sciencemag.org/cgi/content/full/// supporting online material', 5.321428571428571), (u'world wide web page', 5.257777777777778), (u'forward logic chip share', 5.25), (u'global statistical feature', 5.083333333333334), (u'same single-node characteristic', 5.023809523809524), ('new york avenue nw', 5.0), ('st. martin chesapeake coachella', 5.0), ('posterior limb bud mesenchyme', 5.0), (u'world wide web motif', 4.908571428571428), ('extensive variable ( i.e.', 4.871794871794871), ('different four-node subgraphs', 4.832051282051282), ('j. fernandez et al.', 4.784722222222222), (u'transcriptional gene regulation network', 4.7841386554621845), ('three-node feedforward loop', 4.678380443086326), ('human frontier science program', 4.648148148148148), (u'several technological network', 4.620448179271709), ('gli pascal te welscher', 4.6), (u'world wide web hyperlink', 4.591111111111111), ('k. a. rylander', 4.5), ('swiss national science foundation', 4.481481481481481), ('r. f. cancho', 4.480392156862745), ('social network analysis', 4.453781512605042), (u'significant network motif', 4.437908496732026), ('e e e e', 4.421052631578948), (u'three-node network motif', 4.407605466428996), (u'triangular connectivity structure', 4.4), ('perform information processing', 4.35), (u'interhemispher~ ic climate linkage', 4.333333333333333), ('yeast s. cerevisiae', 4.309523809523809), (u'additional three-node motif', 4.287157287157287), (u'neuronal information-processing network', 4.287114845938375), (u'september network motif', 4.271241830065359), (u'randomized network ensemble', 4.253781512605042), ('g. o. seltzer', 4.25), (u'many natural network', 4.203781512605042), (u'four-node network motif', 4.187908496732026), ('neuronal connectivity network', 4.187114845938376), (u'community food web', 4.1466666666666665), (u'ecological food web', 4.1466666666666665), ('a. l. barabasi', 4.1060606060606055), ('( ) ]', 4.100961538461538), ('additional four-node motif', 4.067460317460317), (u'subsubnetwork size network', 4.053781512605042), (u'neural feedforward loop', 4.042016806722689), (u'table transcription network', 4.037114845938375), ('transcription factor protein', 4.033333333333333), ('z y z', 4.028085735402809), ('c. m. stevenson', 4.026315789473684), (u'table network motif', 4.021241830065359), ('noisy environment', 4.0), ('i. kanter', 4.0), (u'terrestrial habitat', 4.0), ('sociological methodology', 4.0), ('american association', 4.0), ('sanne kuijper', 4.0), (u'anatomical observation', 4.0), ('hubrecht laboratorium', 4.0), ('last week', 4.0), ('millennial-scale drought', 4.0), (u'congenital malformation', 4.0), ('rapid deactivation', 4.0), ('dynamical behavior', 4.0), (u'distinct ecosystem', 4.0), ('laguna miscanti', 4.0), (u'test hypothesis', 4.0), ('mesenchymal organizer', 4.0), ('weizmann institute', 4.0), ('aimee zuniga', 4.0), (u'considering piece', 4.0), (u'high-resolution figure', 4.0), ('functional role', 4.0), ('single domain', 4.0), ('qualitative measure', 4.0), ('salar huasco', 4.0), ('major cause', 4.0), ('instructive organizer', 4.0), (u'aridity threshold', 4.0), (u'valuable discussion', 4.0), (u'ephemeral stream', 4.0), ('production rate', 4.0), ('print issn', 4.0), ('i. cartajena', 4.0), ('inca cueva', 4.0), ('functional description', 4.0), (u'short path', 4.0), (u'biochemical signal', 4.0), (u'drosophila embryo', 4.0), ('k. a. maasch', 4.0), ('quebrada seca', 4.0), ('cambridge univ', 4.0), (u'special constraint', 4.0), (u'partial scan', 4.0), (u'digital fractional multiplier share', 4.0), ('schematic view', 4.0), (u'humid highland', 4.0), ('turn prevents', 4.0), ('broad range', 4.0), (u'general tendency', 4.0), ('animal embryogenesis', 4.0), ('southern limit', 4.0), ('shh-mediated counteraction', 4.0), ('transcriptional effector cubitus interruptus', 4.0), ('central andes', 4.0), ('r. v. sole', 3.980392156862745), ('possible n-node subgraphs', 3.9487179487179485), ('e. p. tonni', 3.928571428571429), ('( table s', 3.9061085972850678), ('shh-independent early expression', 3.9), ('bacterium e. coli', 3.9), ('d. g. anderson', 3.892857142857143), (u'four-node feedback loop', 3.8872549019607847), (u'erdos-renyi random graph', 3.8857142857142857), ('( academic press', 3.8717948717948714), (u'sensory neurons/transcription factor', 3.866666666666667), ('j. p. bradbury', 3.866071428571429), ('m. a. geyh', 3.8596491228070176), ('m. t. alberdi', 3.8596491228070176), ('a. m. huerta', 3.8596491228070176), ('benchmark set', 3.833333333333333), (u'elementary computational circuit', 3.833333333333333), ('t. f. lynch', 3.833333333333333), (u'distinct set', 3.833333333333333), ('s. quake', 3.8095238095238093), ('s. wasserman', 3.8095238095238093), ('s. fritz', 3.8095238095238093), ('s. itzkovitz', 3.8095238095238093), ('s. bottani', 3.8095238095238093), ('s. pimm', 3.8095238095238093), ('s. cross', 3.8095238095238093), ('s. maslov', 3.8095238095238093), ('s. leinhardt', 3.8095238095238093), ('s. shen-orr', 3.8095238095238093), ('s. brenner', 3.8095238095238093), (u'randomized version', 3.8), (u'randomized ensemble account', 3.8), (u'different kingdom', 3.8), ('k d. callaway', 3.7857142857142856), ('gene regulation network', 3.7841386554621845), (u'detecting network motif', 3.7712418300653594), ('many other three-', 3.75), ('present study', 3.75), (u'forward-logic chip', 3.75), (u'forwardlogic chip', 3.75), ('present definition', 3.75), ('high significance', 3.75), (u'detecting four-node motif', 3.734126984126984), (u'direct interaction', 3.7142857142857144), (u'trophic interaction', 3.7142857142857144), (u'reciprocal interaction', 3.7142857142857144), ('j. l. betancourt', 3.7102272727272725), (u'nonhomologous gene system', 3.6875), (u'late occupation', 3.666666666666667), (u'geomorphological feature', 3.666666666666667), ('global planet', 3.666666666666667), ('b. huberman', 3.666666666666667), ('k. sneppen', 3.666666666666667), ('london ser', 3.666666666666667), ('significant subpattern', 3.666666666666667), ('arid middle holocene', 3.666666666666667), ('b. tombor', 3.666666666666667), ('b. messerli', 3.666666666666667), ('b. meggers', 3.666666666666667), (u'related page', 3.666666666666667), ('sporadic occupation', 3.666666666666667), (u'sensory component', 3.666666666666667), ('u. schotterer', 3.666666666666667), ('sonic hedgehog', 3.666666666666667), ('several homologs', 3.666666666666667), ('u. alon', 3.666666666666667), ('k. kozminski', 3.666666666666667), (u'above characteristic', 3.666666666666667), ('r. durbin', 3.6470588235294117), ('r. dunbar', 3.6470588235294117), ('r. govindan', 3.6470588235294117), ('r. albert', 3.6470588235294117), ('r. williams', 3.6470588235294117), ('r. raz', 3.6470588235294117), ('d. stanford', 3.642857142857143), ('d. chklovskii', 3.642857142857143), ('d. heise', 3.642857142857143), ('d. thieffry', 3.642857142857143), ('d. mukamel', 3.642857142857143), (u'd. watt', 3.642857142857143), ('d. alon', 3.642857142857143), ('d. bryan', 3.642857142857143), ('different set', 3.6333333333333333), (u'biological function', 3.625), (u'specific function', 3.625), ('nnode subgraphs', 3.6153846153846154), ('corresponding subgraphs', 3.6153846153846154), ('-node subgraphs', 3.6153846153846154), (u'various size', 3.6), ('z. n. oltvai', 3.6), ('gli restricts', 3.6), (u'gli allele', 3.6), ('ci homolog gli', 3.6), ('//www.sciencemag.org/cgi/collection/cell_biol information', 3.6), ('n. kashtan', 3.6), ('n. martinez', 3.6), (u'gli act', 3.6), (u'transcriptional regulation network', 3.5966386554621845), ('world wide web', 3.591111111111111), ('silencio arqueologico applies', 3.583333333333333), ('term silencio arqueologico', 3.583333333333333), ('c /s', 3.571428571428571), ('online issn', 3.571428571428571), ('online version', 3.571428571428571), ('available online', 3.571428571428571), ('c snk', 3.571428571428571), ('estuary )', 3.5625), ('s. strogatz', 3.5595238095238093), ('( jossey-bass', 3.5384615384615383), ('m. newman', 3.526315789473684), ('m. barthelemy', 3.526315789473684), ('m. reigl', 3.526315789473684), ('m. elowitz', 3.526315789473684), ('m. grosjean', 3.526315789473684), ('m. naor', 3.526315789473684), ('m. surette', 3.526315789473684), (u'sterile mid-holocene sediment', 3.5), ('chesapeake bay', 3.5), ('morphogenetic signal', 3.5), ('national geographic society', 3.5), (u'logic gate', 3.5), ('f. brglez', 3.5), (u'induces digit duplication', 3.5), ('northwest argentina', 3.5), ('atacama desert', 3.5), ('posterior restriction', 3.5), (u'triangular point', 3.5), ('mid-holocene hiatus', 3.5), ('e. domany', 3.5), ('c. latorre', 3.5), ('dc copyright', 3.5), (u'numerous time', 3.5), ('fundamental similarity', 3.5), (u'river oasis', 3.5), (u'exact result', 3.5), ('genetic analysis', 3.5), ('c. janssen', 3.5), ('f. kepes', 3.5), ('e. southgate', 3.5), (u'subsistence resource', 3.5), ('cutoff value', 3.5), ('human population', 3.5), (u'diverse desert taxon', 3.5), ('e. winfree', 3.5), ('human activity', 3.5), ('e. perez-rueda', 3.5), (u'gli-deficient mouse arises', 3.5), ('aspen center', 3.5), ('september progression', 3.5), (u'internet router connection', 3.5), ('f. briand', 3.5), ('posterior limb bud', 3.5), ('digit formation', 3.5), (u'mouse embryo', 3.5), ('c. newman', 3.5), ('a.-l. barabasi', 3.5), (u'u time', 3.5), (u'digit identity', 3.5), ('o. hobart', 3.5), ('unifying property', 3.5), ('northern chile', 3.5), ('caenorhabditis elegans', 3.5), ('statistical significance', 3.5), (u'natural phenomenon', 3.5), (u'synaptic connection', 3.5), (u's table s', 3.485294117647059), ('israel science foundation', 3.481481481481481), ('isi web', 3.48), ('network evolution', 3.453781512605042), (u'network homology', 3.453781512605042), (u'scale-free network', 3.453781512605042), (u'biochemical network', 3.453781512605042), ('full network', 3.453781512605042), (u'genetic network', 3.453781512605042), (u'comparing network', 3.453781512605042), (u'small network', 3.453781512605042), ('j. collado-vides', 3.4375), ('j. quade', 3.4375), ('j. lawton', 3.4375), ('j. thomson', 3.4375), ('j. hopcroft', 3.4375), ('j. kleinberg', 3.4375), (u'han j. goedemans', 3.4375), ('p. sternberg', 3.428571428571429), (u'cl concentration', 3.428571428571429), ('p. bourgine', 3.428571428571429), (u'different function', 3.425), ('cell biology http', 3.416666666666667), ('molecular cell biology', 3.416666666666667), ('nrand e e', 3.4105263157894736), (u'different size', 3.4000000000000004), ('archaeological data', 3.4), ('power law p', 3.4), ('probability p', 3.4), (u'data error', 3.4), ('polarizing region', 3.4), (u'x feed', 3.4), ('escherichia coli', 3.4), ('weaker expression', 3.4), ('same prey', 3.357142857142857), ('same predator', 3.357142857142857), ('information processing', 3.35), (u'global feature', 3.3333333333333335), (u'food chain', 3.3333333333333335), (u'such variable', 3.333333333333333), ('sole exception', 3.333333333333333), ('total number', 3.333333333333333), ('minerva foundation', 3.333333333333333), (u'design constraint', 3.333333333333333), (u'structural design principle', 3.333333333333333), ('a. murray', 3.333333333333333), ('large number', 3.333333333333333), ('highwire press', 3.333333333333333), ('nl- ct utrecht', 3.333333333333333), ('stringent comparison', 3.333333333333333), ('t. dillehay', 3.333333333333333), ('three-chain pattern', 3.333333333333333), ('nl- ch utrecht', 3.333333333333333), ('utrecht university', 3.333333333333333), ('san francisco', 3.333333333333333), (u'circuit syst.', 3.333333333333333), ('limb distal development', 3.333333333333333), (u'archaeological site', 3.333333333333333), (u'long-term dry climate', 3.333333333333333), ('distal progression', 3.333333333333333), (u'few site', 3.333333333333333), ('a. rech', 3.333333333333333), ('distal limb development', 3.333333333333333), ('a. scala', 3.333333333333333), ('transcriptional gene regulation', 3.330357142857143), (u'such motif', 3.317460317460317), (u'similar motif', 3.317460317460317), (u'detecting threenode motif', 3.317460317460317), ('r. soc', 3.313725490196078), ('real network', 3.310924369747899), (u'different structure', 3.3), (u'different group', 3.3), (u'universal class', 3.2857142857142856), (u'broad class', 3.2857142857142856), (u'randomized network', 3.253781512605042), ('three-node subgraphs', 3.2517482517482517), (u'numerous type', 3.25), (u'logic chip', 3.25), (u'transient input fluctuation', 3.25), (u'nucleic acid re', 3.25), ('input signal', 3.25), (u'many field', 3.25), (u'large spring', 3.25), (u'specific type', 3.25), ('cold spring harbor', 3.25), ('spring harbor laboratory', 3.25), ('term silencio archaeologico', 3.25), (u'k edge scale', 3.238095238095238), ('et al', 3.2222222222222223), ('nature genet', 3.2222222222222223), (u'protein interaction', 3.2142857142857144), ('h. stanley', 3.2), (u'pelagic lake specie', 3.2), (u'benthic specie', 3.2), ('same number', 3.1904761904761907), (u'represent gene', 3.1875), (u'key regulator gene', 3.1875), (u'hoxd gene', 3.1875), (u'motor neurons/structural gene', 3.1875), ('average node', 3.185185185185185), (u'few node', 3.185185185185185), ('corresponding node', 3.185185185185185), (u'same motif', 3.174603174603175), ('cell survival', 3.166666666666667), (u'single-node characteristic', 3.166666666666667), ('k. rylander', 3.166666666666667), ('//www.sciencemag.org/about/permissions.dtl science', 3.148148148148148), ('title science', 3.148148148148148), (u'food web', 3.1466666666666665), (u'web page', 3.1466666666666665), ('striking appearance', 3.125), (u'sensory neuron', 3.121212121212121), (u'several network', 3.1204481792717087), ('large s', 3.1176470588235294), ('different motif', 3.1174603174603175), ('ectopic anterior shh', 3.111111111111111), ('small world', 3.111111111111111), ('( )', 3.1009615384615383), (u'complex system', 3.1), ('system size', 3.1), (u'double edge', 3.0952380952380953), (u'statistical physic', 3.083333333333333), (u'network function', 3.078781512605042), ('network size', 3.053781512605042), (u'complex network', 3.053781512605042), (u'transcription interaction', 3.0476190476190474), ('feedforward loop', 3.042016806722689), ('( b', 3.0384615384615383), ('four-node subgraphs', 3.032051282051282), ('l. nunez', 3.0227272727272725), (u'basic structural element', 3.0), (u'elementary structure', 3.0), (u'standard deviation', 3.0), (u'doe energy flow', 3.0), (u'arid area', 3.0), ('yeast saccharomyces', 3.0), (u'digital fractional multiplier', 3.0), (u'basic building block', 3.0), ('connectivity graph', 3.0), (u'mutual dyad', 3.0), ('bridge brook lake', 3.0), ('coachella valley', 3.0), (u'significant pattern', 3.0), (u'note department', 3.0), ('sajama ice core', 3.0), ('counteracts gli-mediated repression', 3.0), ('new york', 3.0), ('little rock lake', 3.0), ('cal yr b.p', 3.0), ('mid holocene collapse', 3.0), (u'early society', 3.0), ('limb bud development', 3.0), ('c. elegans', 3.0), ('st. martin island', 3.0), ('apical ectodermal ridge', 3.0), ('posterior mesenchyme', 3.0), (u'simple building block', 3.0), ('*to whom correspondence', 3.0), ('vertebrate limb development', 3.0), (u'regulatory protein', 3.0), ('arid climate', 3.0), ('concentration c', 3.0), (u'following subject collection', 3.0), ('chain z', 2.983739837398374), ('r. milo', 2.980392156862745), ('r. cancho', 2.980392156862745), ('three-node pattern', 2.9696969696969697), ('possible function', 2.958333333333333), ('three-node motif', 2.953823953823954), (u'other network', 2.953781512605042), (u'technological network', 2.953781512605042), (u'social network', 2.953781512605042), (u'information-processing network', 2.953781512605042), ('additional information', 2.9333333333333336), ('p. baker', 2.928571428571429), (u'neuron network', 2.9083269671504963), ('p value', 2.9), (u') example', 2.895833333333333), ('protein y', 2.893939393939394), (u'random graph', 2.885714285714286), ('neuron connectivity', 2.8545454545454545), ('neuron x', 2.8545454545454545), ('process information', 2.85), ('mean number', 2.833333333333333), (u'electronic circuit', 2.833333333333333), (u'bi-parallel motif', 2.817460317460317), ('table )', 2.8125), ('x y', 2.793939393939394), (u'transcription network', 2.787114845938375), ('neuronal network', 2.787114845938375), (u'network motif', 2.7712418300653594), ('bi-fan )', 2.7625), ('g. seltzer', 2.75), (u'~ re', 2.75), ('supporting material', 2.75), (u'type reference', 2.75), ('developmental biology', 2.75), ('www.sciencemag.org (', 2.7384615384615385), ('four-node motif', 2.734126984126984), ('science online', 2.7195767195767195), ('size s', 2.7176470588235295), ('z x', 2.717073170731707), ('x z', 2.717073170731707), ('z y', 2.711012564671101), ('y z', 2.711012564671101), ('detection algorithm', 2.7), ('science web', 2.6281481481481483), ('neuron fig', 2.621212121212121), ('w x', 2.614285714285714), ('silencio arqueologico', 2.583333333333333), ('biparallel motif', 2.567460317460317), ('z score', 2.5670731707317076), ('transcription factor', 2.533333333333333), ('nreal nrand', 2.533333333333333), ('z w', 2.5313588850174216), ('shh expression', 2.511111111111111), ('nrand sd', 2.45), ('nreal e', 2.43859649122807), (u'additional article', 2.41025641025641), ('et al.', 2.3472222222222223), ('gene regulation', 2.330357142857143), (u'n node', 2.328042328042328), (u'k edge', 2.238095238095238), ('pp', 2.0), (u'set', 1.8333333333333333), ('s.', 1.8095238095238095), ('significance', 1.75), ('present', 1.75), (u'interaction', 1.7142857142857142), ('chain', 1.6666666666666667), ('hedgehog', 1.6666666666666667), ('london', 1.6666666666666667), ('k.', 1.6666666666666667), ('occupation', 1.6666666666666667), ('b.', 1.6666666666666667), ('soc', 1.6666666666666667), ('u.', 1.6666666666666667), ('function', 1.625), ('subgraphs', 1.6153846153846154), (u'graph', 1.6), ('information', 1.6), ('n.', 1.6), ('size', 1.6), ('c', 1.5714285714285714), (')', 1.5625), ('(', 1.5384615384615385), ('m.', 1.5263157894736843), ('similarity', 1.5), ('digit', 1.5), ('elegans', 1.5), ('prey', 1.5), (u'group', 1.5), ('argentina', 1.5), ('predator', 1.5), (u'oasis', 1.5), (u'system', 1.5), ('b', 1.5), (u'resource', 1.5), (u'reference', 1.5), ('detection', 1.5), ('result', 1.5), (u'connection', 1.5), ('saccharomyces', 1.5), ('chile', 1.5), (u'value', 1.5), ('property', 1.5), (u'center', 1.5), (u'human', 1.5), (u'valley', 1.5), ('c.', 1.5), ('department', 1.5), (u'structure', 1.5), (u'time', 1.5), (u'neuron', 1.4545454545454546), (u'network', 1.453781512605042), ('j.', 1.4375), ('concentration', 1.4285714285714286), ('p.', 1.4285714285714286), ('p', 1.4), ('connectivity', 1.4), ('data', 1.4), ('region', 1.4), ('expression', 1.4), ('y', 1.393939393939394), ('design', 1.3333333333333333), ('comparison', 1.3333333333333333), ('example', 1.3333333333333333), (u'physic', 1.3333333333333333), ('circuit', 1.3333333333333333), ('number', 1.3333333333333333), ('san', 1.3333333333333333), ('transcription', 1.3333333333333333), (u'pattern', 1.3333333333333333), ('nreal', 1.3333333333333333), (u'site', 1.3333333333333333), ('press', 1.3333333333333333), ('area', 1.3333333333333333), (u'variable', 1.3333333333333333), (u'motif', 1.3174603174603174), ('z', 1.3170731707317074), ('class', 1.2857142857142858), ('random', 1.2857142857142858), ('l.', 1.2727272727272727), ('type', 1.25), (u'process', 1.25), (u're', 1.25), ('biology', 1.25), ('input', 1.25), ('spring', 1.25), ('nature', 1.2222222222222223), ('w', 1.2142857142857142), ('h.', 1.2), ('nrand', 1.2), (u'specie', 1.2), ('algorithm', 1.2), ('gene', 1.1875), (u'node', 1.1851851851851851), ('cell', 1.1666666666666667), ('fig', 1.1666666666666667), ('science', 1.1481481481481481), ('k', 1.1428571428571428), ('n', 1.1428571428571428), (u'appearance', 1.125), ('s', 1.1176470588235294), ('shh', 1.1111111111111112), ('e', 1.105263157894737), (u'edge', 1.0952380952380953), ('article', 1.0769230769230769), ('sci', 1.0), ('fig.', 1.0), ('frits', 1.0), ('eukaryote', 1.0), ('removal', 1.0), ('geology', 1.0), ('activation', 1.0), ('springer', 1.0), ('tuyajto-', 1.0), ('list', 1.0), (u'occurrence', 1.0), ('trend', 1.0), (u'aquifer', 1.0), ('tambillo-', 1.0), ('power', 1.0), (u'method', 1.0), ('contrast', 1.0), ('agreement', 1.0), ('understanding', 1.0), ('separation', 1.0), ('change', 1.0), (u'synapsis', 1.0), (u'layer', 1.0), ('tuina-', 1.0), ('decrease', 1.0), ('yavi', 1.0), ('limb', 1.0), ('dhand', 1.0), ('neurobiology', 1.0), ('morphogenesis', 1.0), ('peru', 1.0), ('charcoal', 1.0), ('israel', 1.0), ('rehovot', 1.0), ('berlin', 1.0), ('none', 1.0), ('work', 1.0), (u'tetrapod', 1.0), ('trans', 1.0), ('control', 1.0), ('e.g.', 1.0), ('december', 1.0), ('pond', 1.0), ('occur', 1.0), ('rise', 1.0), ('lab', 1.0), ('faculty', 1.0), (u'element', 1.0), ('order', 1.0), (u'vertebrate', 1.0), ('insight', 1.0), ('existence', 1.0), ('ieee', 1.0), (u'midden', 1.0), ('uppsalalaan', 1.0), ('usa', 1.0), ('combination', 1.0), (u'arrow', 1.0), ('rock', 1.0), ('nematode', 1.0), ('energy', 1.0), ('shown', 1.0), ('rev', 1.0), ('aer', 1.0), ('geol', 1.0), ('occurs', 1.0), ('theory', 1.0), (u'service', 1.0), ('subnetworks', 1.0), (u'flip-flop', 1.0), ('antiq', 1.0), ('quat', 1.0), ('part', 1.0), ('biomolecules', 1.0), ('atacamenos', 1.0), ('correspond', 1.0), ('padualaan', 1.0), ('bacterium', 1.0), (u'cave', 1.0), (u'interconnection', 1.0), ('analogy', 1.0), ('doi', 1.0), ('flow', 1.0), (u'organism', 1.0), ('specification', 1.0), ('show', 1.0), ('pleistocene', 1.0), ('altiplano', 1.0), ('pintocamayoc', 1.0), ('permission', 1.0), ('coast', 1.0), (u'report', 1.0), (u'reprint', 1.0), ('yield', 1.0), (u'bird', 1.0), ('/science..', 1.0), ('markgraf', 1.0), ('urialon', 1.0), (u'wetland', 1.0), ('review', 1.0), ('tend', 1.0), ('geoarchaeology', 1.0), ('approach', 1.0), ('email', 1.0), (u'hyperlink', 1.0), (u'comment', 1.0), ('ci', 1.0), ('iscas', 1.0), ('susques', 1.0), ('advancement', 1.0), ('decline', 1.0), ('ensures', 1.0), ('recur', 1.0), ('addition', 1.0), ('trademark', 1.0), ('initiation', 1.0), ('bull', 1.0), ('case', 1.0), (u'lizard', 1.0), (u'grant', 1.0), (u'member', 1.0), ('http', 1.0), ('hospitality', 1.0), ('drain', 1.0), ('regulating', 1.0), ('ny', 1.0), (u'effector', 1.0), (u'omnivore', 1.0), (u'lake', 1.0), ('natl', 1.0), (u'aaa', 1.0), ('acad', 1.0), (u'color', 1.0), ('rearrangement', 1.0), (u'right', 1.0), ('people', 1.0), ('choosing', 1.0), ('scale', 1.0), ('bottom', 1.0), ('netherlands', 1.0), ('proc', 1.0), (u'fish', 1.0), ('bioessays', 1.0), ('huachichocana', 1.0), ('symp', 1.0), ('output', 1.0), ('panel', 1.0), ('philos', 1.0), ('presence', 1.0), ('communication', 1.0), ('washington', 1.0), ('ecology', 1.0), ('support', 1.0), ('fraction', 1.0), ('perform', 1.0), ('subgraph', 1.0), ('u.s.a.', 1.0), ('histogram', 1.0), ('hh', 1.0), ('erdos-renyi', 1.0), (u'line', 1.0), ('j', 1.0), ('am', 1.0), ('engineering', 1.0), ('%', 1.0), ('biochemistry', 1.0), ('application', 1.0), ('rolf', 1.0), ('phys', 1.0), ('otherarticles', 1.0), ('disruption', 1.0), ('three-', 1.0)]