diff --git a/test-cases/RMLSTC0008a/Friends.json b/test-cases/RMLSTC0008a/Friends.json
new file mode 100644
index 0000000..8e55449
--- /dev/null
+++ b/test-cases/RMLSTC0008a/Friends.json
@@ -0,0 +1,27 @@
+[
+  { 
+    "id": 0,
+    "name": "Monica Geller",
+    "age": 33
+  },
+  { 
+    "id": 1,
+    "name": "Rachel Green",
+    "age": 34
+  },
+  { 
+    "id": 2,
+    "name": "Joey Tribbiani",
+    "age": 35
+  },
+  { 
+    "id": 3,
+    "name": "Chandler Bing",
+    "age": 36
+  },
+  { 
+    "id": 4,
+    "name": "Ross Geller",
+    "age": 37
+  }
+]
diff --git a/test-cases/RMLSTC0008a/Friends2.json b/test-cases/RMLSTC0008a/Friends2.json
new file mode 100644
index 0000000..415235f
--- /dev/null
+++ b/test-cases/RMLSTC0008a/Friends2.json
@@ -0,0 +1,7 @@
+[
+  { 
+    "id": 6,
+    "name": "Phoebe Buffay",
+    "age": 37
+  }
+]
diff --git a/test-cases/RMLSTC0008a/default.nq b/test-cases/RMLSTC0008a/default.nq
new file mode 100644
index 0000000..3250fcc
--- /dev/null
+++ b/test-cases/RMLSTC0008a/default.nq
@@ -0,0 +1,12 @@
+<http://example.org/0> <http://xmlns.com/foaf/0.1/age> "33" .
+<http://example.org/0> <http://xmlns.com/foaf/0.1/name> "Monica Geller" .
+<http://example.org/1> <http://xmlns.com/foaf/0.1/age> "34" .
+<http://example.org/1> <http://xmlns.com/foaf/0.1/name> "Rachel Green" .
+<http://example.org/2> <http://xmlns.com/foaf/0.1/age> "35" .
+<http://example.org/2> <http://xmlns.com/foaf/0.1/name> "Joey Tribbiani" .
+<http://example.org/3> <http://xmlns.com/foaf/0.1/age> "36" .
+<http://example.org/3> <http://xmlns.com/foaf/0.1/name> "Chandler Bing" .
+<http://example.org/4> <http://xmlns.com/foaf/0.1/age> "37" .
+<http://example.org/4> <http://xmlns.com/foaf/0.1/name> "Ross Geller" .
+<http://example.org/6> <http://xmlns.com/foaf/0.1/age> "37" .
+<http://example.org/6> <http://xmlns.com/foaf/0.1/name> "Phoebe Buffay" .
diff --git a/test-cases/RMLSTC0008a/mapping.ttl b/test-cases/RMLSTC0008a/mapping.ttl
new file mode 100644
index 0000000..b13f497
--- /dev/null
+++ b/test-cases/RMLSTC0008a/mapping.ttl
@@ -0,0 +1,68 @@
+@prefix rml: <http://w3id.org/rml/> .
+@prefix foaf: <http://xmlns.com/foaf/0.1/> .
+@prefix dcat: <http://www.w3.org/ns/dcat#> .
+@base <http://example.com/rules/> .
+
+<#DCATSourceAccess> a rml:Source, dcat:Distribution;
+  dcat:downloadURL <http://w3id.org/rml/resources/rml-io/RMLSTC0008a/Friends.json>;
+  rml:encoding rml:UTF-8;
+.
+
+<#DCATSourceAccess2> a rml:Source, dcat:Distribution;
+  dcat:downloadURL <http://w3id.org/rml/resources/rml-io/RMLSTC0008a/Friends2.json>;
+  rml:encoding rml:UTF-8;
+.
+
+<#TriplesMap> a rml:TriplesMap;
+  rml:logicalSource [ a rml:LogicalSource;
+    rml:source <#DCATSourceAccess>;
+    rml:referenceFormulation rml:JSONPath;
+    rml:iterator "$[*]";
+  ];
+  rml:subjectMap [ a rml:SubjectMap;
+    rml:template "http://example.org/{$.id}";
+  ];
+  rml:predicateObjectMap [ a rml:PredicateObjectMap;
+    rml:predicateMap [ a rml:PredicateMap;
+      rml:constant foaf:name;
+    ];
+    rml:objectMap [ a rml:ObjectMap;
+      rml:reference "$.name";
+    ];
+  ];
+  rml:predicateObjectMap [ a rml:PredicateObjectMap;
+    rml:predicateMap [ a rml:PredicateMap;
+      rml:constant foaf:age;
+    ];
+    rml:objectMap [ a rml:ObjectMap;
+      rml:reference "$.age";
+    ];
+  ];
+.
+
+<#TriplesMap2> a rml:TriplesMap;
+  rml:logicalSource [ a rml:LogicalSource;
+    rml:source <#DCATSourceAccess2>;
+    rml:referenceFormulation rml:JSONPath;
+    rml:iterator "$[*]";
+  ];
+  rml:subjectMap [ a rml:SubjectMap;
+    rml:template "http://example.org/{$.id}";
+  ];
+  rml:predicateObjectMap [ a rml:PredicateObjectMap;
+    rml:predicateMap [ a rml:PredicateMap;
+      rml:constant foaf:name;
+    ];
+    rml:objectMap [ a rml:ObjectMap;
+      rml:reference "$.name";
+    ];
+  ];
+  rml:predicateObjectMap [ a rml:PredicateObjectMap;
+    rml:predicateMap [ a rml:PredicateMap;
+      rml:constant foaf:age;
+    ];
+    rml:objectMap [ a rml:ObjectMap;
+      rml:reference "$.age";
+    ];
+  ];
+.
diff --git a/test-cases/RMLSTC0008b/Friends.csv b/test-cases/RMLSTC0008b/Friends.csv
new file mode 100644
index 0000000..6966523
--- /dev/null
+++ b/test-cases/RMLSTC0008b/Friends.csv
@@ -0,0 +1,2 @@
+id,name,age
+6,Phoebe Buffay,37
\ No newline at end of file
diff --git a/test-cases/RMLSTC0008b/Friends.json b/test-cases/RMLSTC0008b/Friends.json
new file mode 100644
index 0000000..8e55449
--- /dev/null
+++ b/test-cases/RMLSTC0008b/Friends.json
@@ -0,0 +1,27 @@
+[
+  { 
+    "id": 0,
+    "name": "Monica Geller",
+    "age": 33
+  },
+  { 
+    "id": 1,
+    "name": "Rachel Green",
+    "age": 34
+  },
+  { 
+    "id": 2,
+    "name": "Joey Tribbiani",
+    "age": 35
+  },
+  { 
+    "id": 3,
+    "name": "Chandler Bing",
+    "age": 36
+  },
+  { 
+    "id": 4,
+    "name": "Ross Geller",
+    "age": 37
+  }
+]
diff --git a/test-cases/RMLSTC0008b/default.nq b/test-cases/RMLSTC0008b/default.nq
new file mode 100644
index 0000000..3250fcc
--- /dev/null
+++ b/test-cases/RMLSTC0008b/default.nq
@@ -0,0 +1,12 @@
+<http://example.org/0> <http://xmlns.com/foaf/0.1/age> "33" .
+<http://example.org/0> <http://xmlns.com/foaf/0.1/name> "Monica Geller" .
+<http://example.org/1> <http://xmlns.com/foaf/0.1/age> "34" .
+<http://example.org/1> <http://xmlns.com/foaf/0.1/name> "Rachel Green" .
+<http://example.org/2> <http://xmlns.com/foaf/0.1/age> "35" .
+<http://example.org/2> <http://xmlns.com/foaf/0.1/name> "Joey Tribbiani" .
+<http://example.org/3> <http://xmlns.com/foaf/0.1/age> "36" .
+<http://example.org/3> <http://xmlns.com/foaf/0.1/name> "Chandler Bing" .
+<http://example.org/4> <http://xmlns.com/foaf/0.1/age> "37" .
+<http://example.org/4> <http://xmlns.com/foaf/0.1/name> "Ross Geller" .
+<http://example.org/6> <http://xmlns.com/foaf/0.1/age> "37" .
+<http://example.org/6> <http://xmlns.com/foaf/0.1/name> "Phoebe Buffay" .
diff --git a/test-cases/RMLSTC0008b/mapping.ttl b/test-cases/RMLSTC0008b/mapping.ttl
new file mode 100644
index 0000000..e1d90c9
--- /dev/null
+++ b/test-cases/RMLSTC0008b/mapping.ttl
@@ -0,0 +1,67 @@
+@prefix rml: <http://w3id.org/rml/> .
+@prefix foaf: <http://xmlns.com/foaf/0.1/> .
+@prefix dcat: <http://www.w3.org/ns/dcat#> .
+@base <http://example.com/rules/> .
+
+<#DCATSourceAccessJSON> a rml:Source, dcat:Distribution;
+  dcat:downloadURL <http://w3id.org/rml/resources/rml-io/RMLSTC0008b/Friends.json>;
+  rml:encoding rml:UTF-8;
+.
+
+<#DCATSourceAccessCSV> a rml:Source, dcat:Distribution;
+  dcat:downloadURL <http://w3id.org/rml/resources/rml-io/RMLSTC0008b/Friends.csv>;
+  rml:encoding rml:UTF-8;
+.
+
+<#TriplesMap> a rml:TriplesMap;
+  rml:logicalSource [ a rml:LogicalSource;
+    rml:source <#DCATSourceAccessJSON>;
+    rml:referenceFormulation rml:JSONPath;
+    rml:iterator "$[*]";
+  ];
+  rml:subjectMap [ a rml:SubjectMap;
+    rml:template "http://example.org/{$.id}";
+  ];
+  rml:predicateObjectMap [ a rml:PredicateObjectMap;
+    rml:predicateMap [ a rml:PredicateMap;
+      rml:constant foaf:name;
+    ];
+    rml:objectMap [ a rml:ObjectMap;
+      rml:reference "$.name";
+    ];
+  ];
+  rml:predicateObjectMap [ a rml:PredicateObjectMap;
+    rml:predicateMap [ a rml:PredicateMap;
+      rml:constant foaf:age;
+    ];
+    rml:objectMap [ a rml:ObjectMap;
+      rml:reference "$.age";
+    ];
+  ];
+.
+
+<#TriplesMap2> a rml:TriplesMap;
+  rml:logicalSource [ a rml:LogicalSource;
+    rml:source <#DCATSourceAccessCSV>;
+    rml:referenceFormulation rml:CSV;
+  ];
+  rml:subjectMap [ a rml:SubjectMap;
+    rml:template "http://example.org/{id}";
+  ];
+  rml:predicateObjectMap [ a rml:PredicateObjectMap;
+    rml:predicateMap [ a rml:PredicateMap;
+      rml:constant foaf:name;
+    ];
+    rml:objectMap [ a rml:ObjectMap;
+      rml:reference "name";
+    ];
+  ];
+  rml:predicateObjectMap [ a rml:PredicateObjectMap;
+    rml:predicateMap [ a rml:PredicateMap;
+      rml:constant foaf:age;
+    ];
+    rml:objectMap [ a rml:ObjectMap;
+      rml:reference "age";
+    ];
+  ];
+.