diff --git a/graph/bolt/quadstore.go b/graph/bolt/quadstore.go
index 784e264..16bf75a 100644
--- a/graph/bolt/quadstore.go
+++ b/graph/bolt/quadstore.go
@@ -138,16 +138,16 @@ func bucketFor(d [4]quad.Direction) []byte {
 
 func (qs *QuadStore) createKeyFor(d [4]quad.Direction, q quad.Quad) []byte {
 	key := make([]byte, 0, (hashSize * 4))
-	key = append(key, qs.convertStringToByteHash(q.Get(d[0]))...)
-	key = append(key, qs.convertStringToByteHash(q.Get(d[1]))...)
-	key = append(key, qs.convertStringToByteHash(q.Get(d[2]))...)
-	key = append(key, qs.convertStringToByteHash(q.Get(d[3]))...)
+	key = append(key, qs.hashOf(q.Get(d[0]))...)
+	key = append(key, qs.hashOf(q.Get(d[1]))...)
+	key = append(key, qs.hashOf(q.Get(d[2]))...)
+	key = append(key, qs.hashOf(q.Get(d[3]))...)
 	return key
 }
 
 func (qs *QuadStore) createValueKeyFor(s string) []byte {
 	key := make([]byte, 0, hashSize)
-	key = append(key, qs.convertStringToByteHash(s)...)
+	key = append(key, qs.hashOf(s)...)
 	return key
 }
 
@@ -379,7 +379,7 @@ func (qs *QuadStore) Quad(k graph.Value) quad.Quad {
 	return q
 }
 
-func (qs *QuadStore) convertStringToByteHash(s string) []byte {
+func (qs *QuadStore) hashOf(s string) []byte {
 	h := hashPool.Get().(hash.Hash)
 	h.Reset()
 	defer hashPool.Put(h)
diff --git a/graph/leveldb/quadstore.go b/graph/leveldb/quadstore.go
index 1727141..c140277 100644
--- a/graph/leveldb/quadstore.go
+++ b/graph/leveldb/quadstore.go
@@ -150,17 +150,17 @@ func (qs *QuadStore) createKeyFor(d [4]quad.Direction, q quad.Quad) []byte {
 	key := make([]byte, 0, 2+(hashSize*3))
 	// TODO(kortschak) Remove dependence on String() method.
 	key = append(key, []byte{d[0].Prefix(), d[1].Prefix()}...)
-	key = append(key, qs.convertStringToByteHash(q.Get(d[0]))...)
-	key = append(key, qs.convertStringToByteHash(q.Get(d[1]))...)
-	key = append(key, qs.convertStringToByteHash(q.Get(d[2]))...)
-	key = append(key, qs.convertStringToByteHash(q.Get(d[3]))...)
+	key = append(key, qs.hashOf(q.Get(d[0]))...)
+	key = append(key, qs.hashOf(q.Get(d[1]))...)
+	key = append(key, qs.hashOf(q.Get(d[2]))...)
+	key = append(key, qs.hashOf(q.Get(d[3]))...)
 	return key
 }
 
 func (qs *QuadStore) createValueKeyFor(s string) []byte {
 	key := make([]byte, 0, 1+hashSize)
 	key = append(key, []byte("z")...)
-	key = append(key, qs.convertStringToByteHash(s)...)
+	key = append(key, qs.hashOf(s)...)
 	return key
 }
 
@@ -347,7 +347,7 @@ func (qs *QuadStore) Quad(k graph.Value) quad.Quad {
 	return q
 }
 
-func (qs *QuadStore) convertStringToByteHash(s string) []byte {
+func (qs *QuadStore) hashOf(s string) []byte {
 	h := hashPool.Get().(hash.Hash)
 	h.Reset()
 	defer hashPool.Put(h)
diff --git a/graph/mongo/quadstore.go b/graph/mongo/quadstore.go
index b6bc655..b4e6fd5 100644
--- a/graph/mongo/quadstore.go
+++ b/graph/mongo/quadstore.go
@@ -102,14 +102,14 @@ func newQuadStore(addr string, options graph.Options) (graph.QuadStore, error) {
 }
 
 func (qs *QuadStore) getIdForQuad(t quad.Quad) string {
-	id := qs.convertStringToByteHash(t.Subject)
-	id += qs.convertStringToByteHash(t.Predicate)
-	id += qs.convertStringToByteHash(t.Object)
-	id += qs.convertStringToByteHash(t.Label)
+	id := qs.hashOf(t.Subject)
+	id += qs.hashOf(t.Predicate)
+	id += qs.hashOf(t.Object)
+	id += qs.hashOf(t.Label)
 	return id
 }
 
-func (qs *QuadStore) convertStringToByteHash(s string) string {
+func (qs *QuadStore) hashOf(s string) string {
 	h := hashPool.Get().(hash.Hash)
 	h.Reset()
 	defer hashPool.Put(h)
@@ -288,7 +288,7 @@ func (qs *QuadStore) QuadsAllIterator() graph.Iterator {
 }
 
 func (qs *QuadStore) ValueOf(s string) graph.Value {
-	return qs.convertStringToByteHash(s)
+	return qs.hashOf(s)
 }
 
 func (qs *QuadStore) NameOf(v graph.Value) string {