Adds subsumer matrix query and some similarity metrics #92
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The semantic similarity metrics included here are all solely based on
graph structure. That is, by default they will use a subsumer matrix
that has values 0 and 1, meaning each edge between a term and a
subsumer is given equal weight. The metrics are Jaccard, Tanimoto
(which is equal to Jaccard for W[i] in {0, 1}), and Cosine.
Tanimoto and Cosine could be used with weights other than {0, 1} as well,
such as Information Content.
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@uyedaj any feedback, based on documentation? Anything that seems missing? |
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The semantic similarity metrics included here are all solely based on graph structure. That is, by default they will use a subsumer matrix that has values 0 and 1, meaning each edge between a term and a subsumer is given equal weight. The metrics are Jaccard, Tanimoto (which is equal to Jaccard for W[i] in {0, 1}), and Cosine.
Tanimoto and Cosine could be used with weights other than {0, 1} as well, such as Information Content.
Addresses #37, perhaps in full.