diff --git a/trustgraph-base/trustgraph/base/__init__.py b/trustgraph-base/trustgraph/base/__init__.py
index d5e539c6..9086fd8c 100644
--- a/trustgraph-base/trustgraph/base/__init__.py
+++ b/trustgraph-base/trustgraph/base/__init__.py
@@ -17,4 +17,5 @@ from . embeddings_service import EmbeddingsService
 from . embeddings_client import EmbeddingsClientSpec
 from . text_completion_client import TextCompletionClientSpec
 from . prompt_client import PromptClientSpec
+from . triples_store_service import TriplesStoreService
 
diff --git a/trustgraph-base/trustgraph/base/document_embeddings_store_service.py b/trustgraph-base/trustgraph/base/document_embeddings_store_service.py
new file mode 100755
index 00000000..c426988d
--- /dev/null
+++ b/trustgraph-base/trustgraph/base/document_embeddings_store_service.py
@@ -0,0 +1,49 @@
+
+"""
+Document embeddings store base class
+"""
+
+from .. schema import DocumentEmbeddings
+from .. base import FlowProcessor, ConsumerSpec
+
+default_ident = "document-embeddings-write"
+
+class DocumentEmbeddingsStoreService(FlowProcessor):
+
+    def __init__(self, **params):
+
+        id = params.get("id")
+
+        super(DocumentEmbeddingsStoreService, self).__init__(
+            **params | { "id": id }
+        )
+
+        self.register_specification(
+            ConsumerSpec(
+                name = "input",
+                schema = DocumentEmbeddings,
+                handler = self.on_message
+            )
+        )
+
+    async def on_message(self, msg, consumer, flow):
+
+        try:
+
+            request = msg.value()
+
+            await self.store_document_embeddings(request)
+
+        except TooManyRequests as e:
+            raise e
+
+        except Exception as e:
+            
+            print(f"Exception: {e}")
+            raise e
+
+    @staticmethod
+    def add_args(parser):
+
+        FlowProcessor.add_args(parser)
+
diff --git a/trustgraph-base/trustgraph/base/graph_embeddings_store_service.py b/trustgraph-base/trustgraph/base/graph_embeddings_store_service.py
new file mode 100755
index 00000000..1f31a629
--- /dev/null
+++ b/trustgraph-base/trustgraph/base/graph_embeddings_store_service.py
@@ -0,0 +1,49 @@
+
+"""
+Graph embeddings store base class
+"""
+
+from .. schema import GraphEmbeddings
+from .. base import FlowProcessor, ConsumerSpec
+
+default_ident = "graph-embeddings-write"
+
+class GraphEmbeddingsStoreService(FlowProcessor):
+
+    def __init__(self, **params):
+
+        id = params.get("id")
+
+        super(GraphEmbeddingsStoreService, self).__init__(
+            **params | { "id": id }
+        )
+
+        self.register_specification(
+            ConsumerSpec(
+                name = "input",
+                schema = GraphEmbeddings,
+                handler = self.on_message
+            )
+        )
+
+    async def on_message(self, msg, consumer, flow):
+
+        try:
+
+            request = msg.value()
+
+            await self.store_graph_embeddings(request)
+
+        except TooManyRequests as e:
+            raise e
+
+        except Exception as e:
+            
+            print(f"Exception: {e}")
+            raise e
+
+    @staticmethod
+    def add_args(parser):
+
+        FlowProcessor.add_args(parser)
+
diff --git a/trustgraph-base/trustgraph/base/triples_store_service.py b/trustgraph-base/trustgraph/base/triples_store_service.py
new file mode 100755
index 00000000..74f95f57
--- /dev/null
+++ b/trustgraph-base/trustgraph/base/triples_store_service.py
@@ -0,0 +1,47 @@
+
+"""
+Triples store base class
+"""
+
+from .. schema import Triples
+from .. base import FlowProcessor, ConsumerSpec
+
+default_ident = "triples-write"
+
+class TriplesStoreService(FlowProcessor):
+
+    def __init__(self, **params):
+
+        id = params.get("id")
+
+        super(TriplesStoreService, self).__init__(**params | { "id": id })
+
+        self.register_specification(
+            ConsumerSpec(
+                name = "input",
+                schema = Triples,
+                handler = self.on_message
+            )
+        )
+
+    async def on_message(self, msg, consumer, flow):
+
+        try:
+
+            request = msg.value()
+
+            await self.store_triples(request)
+
+        except TooManyRequests as e:
+            raise e
+
+        except Exception as e:
+            
+            print(f"Exception: {e}")
+            raise e
+
+    @staticmethod
+    def add_args(parser):
+
+        FlowProcessor.add_args(parser)
+
diff --git a/trustgraph-flow/trustgraph/storage/triples/cassandra/write.py b/trustgraph-flow/trustgraph/storage/triples/cassandra/write.py
index f452804b..10a78409 100755
--- a/trustgraph-flow/trustgraph/storage/triples/cassandra/write.py
+++ b/trustgraph-flow/trustgraph/storage/triples/cassandra/write.py
@@ -10,35 +10,26 @@ import argparse
 import time
 
 from .... direct.cassandra import TrustGraph
-from .... schema import Triples
-from .... schema import triples_store_queue
-from .... log_level import LogLevel
-from .... base import Consumer
+from .... base import TriplesStoreService
 
-module = "triples-write"
+default_ident = "triples-write"
 
-default_input_queue = triples_store_queue
-default_subscriber = module
 default_graph_host='localhost'
 
-class Processor(Consumer):
+class Processor(TriplesStoreService):
 
     def __init__(self, **params):
         
-        input_queue = params.get("input_queue", default_input_queue)
-        subscriber = params.get("subscriber", default_subscriber)
+        id = params.get("id", default_ident)
+
         graph_host = params.get("graph_host", default_graph_host)
         graph_username = params.get("graph_username", None)
         graph_password = params.get("graph_password", None)
 
         super(Processor, self).__init__(
             **params | {
-                "input_queue": input_queue,
-                "subscriber": subscriber,
-                "input_schema": Triples,
                 "graph_host": graph_host,
-                "graph_username": graph_username,
-                "graph_password": graph_password,
+                "graph_username": graph_username
             }
         )
         
@@ -47,11 +38,9 @@ class Processor(Consumer):
         self.password = graph_password
         self.table = None
 
-    async def handle(self, msg):
+    async def store_triples(self, message):
 
-        v = msg.value()
-
-        table = (v.metadata.user, v.metadata.collection)
+        table = (message.metadata.user, message.metadata.collection)
 
         if self.table is None or self.table != table:
 
@@ -86,9 +75,7 @@ class Processor(Consumer):
     @staticmethod
     def add_args(parser):
 
-        Consumer.add_args(
-            parser, default_input_queue, default_subscriber,
-        )
+        TriplesStoreService.add_args(parser)
 
         parser.add_argument(
             '-g', '--graph-host',
@@ -110,5 +97,5 @@ class Processor(Consumer):
 
 def run():
 
-    Processor.launch(module, __doc__)
+    Processor.launch(default_ident, __doc__)