db.index.vector.queryNodes(indexName :: STRING, numberOfNearestNeighbours :: INTEGER, query :: ANY) :: (node :: NODE, score :: FLOAT) 1. 2. // 使用db.index.vector.queryRelationships查询关系向量索引 db.index.vector.query
Since Neo4j is a native graph database, the vector index implementation in LangChain allows customization and enrichment of the returned information. However, this feature is intended for more advanced users as you are responsible for custom data loading as well as retrieval. The retrieval_query pa...
用db.index.vector.queryNodes函数执行相似性搜索。比如用户正在浏览商品A，找出与其最相似的5个商品：MATCH (p:Product id: ’A’)CALL db.index.vector.queryNodes(’product_embeddings’, 5, p.embedding)YIELD node AS similar_product, score RETURN similar_product.name, score score越接近1，相似度越高。
"CALL db.index.vector.queryNodes($index, $k, $embedding) " "YIELD node, score ") + retrieval_queryThe retrieval query must return the following three columns:text: Union[str, Dict] = Value used to populate page_content of a documentscore: Float = Similarity scoremetadata: Dict = Addition...
GraphQL vector index search documentation Create applications Python Driver Go Driver Java Driver JDBC Driver JavaScript Driver .Net Driver Neo4j GraphQL Library Neo4j Visualization Library OGM Library Spring Data Neo4j HTTP API Neo4j Query API
we already have all the virutal graph methods but they actually just wrap existing nodes and rels call db.index.fulltext.queryNodes("movieFulltext","Forrest Gump", {limit:1}) yield node as n, score as s1 call db.index.vector.queryNodes("moviePlotsEmbedding",5, n.plotEmbedding) yield no...
full-text-indexes.adoc overview.adoc vector-indexes.adoc syntax.adoc planning-and-tuning index.adoc operators operators-detail.adoc query-tuning.adoc query-tuning index.adoc indexes.adoc values-and-types spatial.adoc 4 changes: 2 additions & 2 deletions 4 antora.yml Original file lin...
resolution 并通过合并指定的节点将其写回数据库：graph.query(""" UNWIND $data AS candidates CALL ...
• From Local to Global: A Graph RAG Approach to Query-Focused Summarization[2] 目前微软开源的Microsoft GraphRAG[3]项目支持对文档进行分块、向量化、抽取实体和关系然后保存为本地知识图谱文件,暂不支持将数据存储到 Neo4j。Noej4 的开源项目LLM Graph Builder[4]分为前后端,支持上传图片、文档等资料...
CALL db.index.fulltext.queryNodes('books', 'garde~0.7') 1. ╒══════════════════════════════════════════════════════════════════════╤══════════════════╕│"node" │"score" │╞...