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lingvisa
Graph Fellow
since ‎12-19-2019
‎06-01-2022

User Statistics

  • 286 Posts
  • 4 Solutions
  • 25 Kudos given
  • 23 Kudos received

User Activity

Why is this query invalid?

11-30-2021
CALL apoc.periodic.iterate( "MATCH (n:Article) return n.nid", "REMOVE n.bertEmbedding", {batchSize:30000, parallel:false, iterateList:true}) The error message: org.neo4j.graphdb.QueryExecutionException: Variable n not defined (line 1, column 65 (...

Why isn't the merge command updating the relationship?

11-19-2021
I originally don't have relationship property so the relationship is shown like below: { "identity": 631, "start": 470, "end": 453, "type": "coOccur", "properties": { } } Now I added a confidence to the relationship coOccur, and run thi...

How to load float array values by apoc.load.csv() from csv file?

11-18-2021
My csv file has two columns: nid embedding 001 [0.001, 0.002, 0.003] 002 [0.004, 0.005, 0.006] My current load statement in Python driver is: CALL apoc.periodic.iterate(" CALL apoc.load.csv('topic.tsv', {nullValues:['','na','NAN',false], sep:' '}) ...

About projectedFeatureDimension in graphSage model

11-18-2021
github.com zach-blumenfeld/demo-news-recommendation/blob/main/graphsage-example.cypher //1 projection CALL gds.graph.create( 'mind-gs-projection', { User: {}, Category: {}, Subcategory: {}, WikiEntity: ...

FullText match ranks exact match string much lower

11-11-2021
CALL db.index.fulltext.queryNodes("NameIndex", "英雄联盟") YIELD node, score RETURN properties(node)['name'] as name, score LIMIT 62 My query is "英雄联盟", which is supposed to match the 'name' property of a game node. There are several instances of node...
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