docs: Add Phoenix Llamaindex RAG Demo notebook + chunks + questions

.gitignore

@@ -25,3 +25,6 @@ coverage.xml
 
 # devtools
 pyrightconfig.json
+
+# Demo data
+tutorials/internal/demo_llama_index/*.json

src/phoenix/trace/fixtures.py

@@ -82,6 +82,26 @@ class TracesFixture:
     dataset_fixtures: Iterable[DatasetFixture] = ()
 
 
+demo_llama_index_cohesive_rag_fixture = TracesFixture(
+    name="demo_llama_index_cohesive_rag",
+    description="Cohesive RAG data that is based on real-world scenarios and evaluations.",
+    file_name="llama_index_cohesive_rag.parquet",
+    evaluation_fixtures=(
+        EvaluationFixture(
+            evaluation_name="Q&A Correctness",
+            file_name="demo_llama_index_rag_qa_correctness_eval.parquet",
+        ),
+        EvaluationFixture(
+            evaluation_name="Hallucination",
+            file_name="demo_llama_index_rag_hallucination_eval.parquet",
+        ),
+        DocumentEvaluationFixture(
+            evaluation_name="Relevance",
+            file_name="demo_llama_index_rag_doc_relevance_eval.parquet",
+        ),
+    ),
+)
+
 llama_index_rag_fixture = TracesFixture(
     name="llama_index_rag",
     description="Traces from running the llama_index on a RAG use case.",
@@ -169,6 +189,7 @@ class TracesFixture:
 )
 
 TRACES_FIXTURES: List[TracesFixture] = [
+    demo_llama_index_cohesive_rag_fixture,
     llama_index_rag_fixture,
     llama_index_rag_fixture_with_davinci,
     langchain_rag_stuff_document_chain_fixture,