you could update to 2.1.2 and use load-csv
it would be good if you could reformat your date to be comparable strings, e.g.
2014-06-18
load csv with headers from "url" as line
MERGE (u:Url {url:line.url})
MERGE (t:Tag {tag:line.tag})
MERGE (u)-[t:TAGGED]->(t)
WITH t, split(l.time,"/") as parts
WITH t, parts[2]+"-"+parts[1]+"-"+parts[0] as time
WHERE time > t.time
SET t.time = time
Michael
Am 19.06.2014 um 13:41 schrieb Sotiris Beis <[email protected]>:
> Hi,
>
> I have want to create a bipartite graph with Neo4j. My dataset is an edge
> list with the following entities, URL TAG TIMESTAMP.
>
> e.g.
> http://www.neo4j.org/ graph-database 18/06/2014
> http://www.mongodb.org/ object-database 18/06/2014
> http://www.neo4j.org/ graph-database 19/06/2014
>
> I want to avoid duplicate nodes and edges. Moreover I want to store the
> latest timestamp of an edge. So every time a edge comes again I need to
> update the timestamp property. Currently I use this code
> https://gist.github.com/sarovios/b11b61b09f7a42d33625 to create my graph. I
> wonder if there is a more efficient way.
>
> I use neo4j-community-2.03
>
> Any suggestion would be helpful.
> Sotirs
>
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