diff --git a/graph/leveldb/triplestore.go b/graph/leveldb/quadstore.go
similarity index 100%
rename from graph/leveldb/triplestore.go
rename to graph/leveldb/quadstore.go
diff --git a/graph/leveldb/triplestore_iterator_optimize.go b/graph/leveldb/quadstore_iterator_optimize.go
similarity index 100%
rename from graph/leveldb/triplestore_iterator_optimize.go
rename to graph/leveldb/quadstore_iterator_optimize.go
diff --git a/graph/memstore/triplestore.go b/graph/memstore/quadstore.go
similarity index 100%
rename from graph/memstore/triplestore.go
rename to graph/memstore/quadstore.go
diff --git a/graph/memstore/triplestore_iterator_optimize.go b/graph/memstore/quadstore_iterator_optimize.go
similarity index 100%
rename from graph/memstore/triplestore_iterator_optimize.go
rename to graph/memstore/quadstore_iterator_optimize.go
diff --git a/graph/memstore/triplestore_test.go b/graph/memstore/quadstore_test.go
similarity index 100%
rename from graph/memstore/triplestore_test.go
rename to graph/memstore/quadstore_test.go
diff --git a/graph/mongo/triplestore.go b/graph/mongo/quadstore.go
similarity index 100%
rename from graph/mongo/triplestore.go
rename to graph/mongo/quadstore.go
diff --git a/graph/mongo/triplestore_iterator_optimize.go b/graph/mongo/quadstore_iterator_optimize.go
similarity index 100%
rename from graph/mongo/triplestore_iterator_optimize.go
rename to graph/mongo/quadstore_iterator_optimize.go
diff --git a/graph/triplestore.go b/graph/quadstore.go
similarity index 100%
rename from graph/triplestore.go
rename to graph/quadstore.go