Is a neo4j database available? On Wednesday, November 22, 2017 at 3:21:27 PM UTC-6, Michael Hunger wrote: > > I have an import script here: > https://www.dropbox.com/s/6wz3bjee6s4oy4p/import-offshoreleaks-neo4j.sh?dl=0 > and then run this in cypher-shell / neo4j-shell: > https://www.dropbox.com/s/tglph6hxro78v13/configure.cql?dl=0 > > But there will be also a neo4j database release really soon. > > Cheers, Michael > > > On Wed, Nov 22, 2017 at 7:57 PM, <leet.h...@gmail.com <javascript:>> > wrote: > >> Hi! Has anyone here has worked with the Paradise Papers CSV dataset? ( >> https://offshoreleaks.icij.org/pages/database) The icij have used neo4j >> for their graph db, and from that link, offer the CSV files of the data. I >> was able to create the nodes for the graph, but I'm having a tough time >> creating the relationships from the edges CSV - it is currently importing >> now (~4 hours), but I'm hoping there is a better way out there than how I >> did it! >> >> The difficulty for me, apart from being new to neo4j, is that the edges >> CSV contains all the relationships (5 different types) with the node_id for >> the source and target id specified. The node_id is unique to a node that is >> one of 5 types of nodes. So I figured that I could write a statement >> (ignoring properties) that would read the CSV as 'line' and then: >> >> MATCH (n1 {node_id: line.`node_1`}), (n2 {node_id: line.`node_2`}) >> CREATE (n1)-[:line.`rel_type`]->(n2); >> >> The problem with this is that you can't programmatically specify the >> relationship type.. I don't think. So I came up with the following: >> >> MATCH (n1 {node_id: line.`node_1`}), (n2 {node_id: line.`node_2`}) >> FOREACH(ignoreMe IN CASE WHEN line.`rel_type`='registered_address' THEN >> [1] ELSE [] END | >> MERGE (n1)-[:REGISTERED_ADDRESS]->(n2) >> ) >> <Other FOREACH statements, one for each type of relationship> ... >> >> Now that last idea works, but really slowly, even with indexes on node_id >> for each node type. It was creating about 25 relationships every 10 seconds >> which wasn't going to work for ~ 400,000 relationships. >> >> What I ended up doing was dumping the CSVs into a MySQL db and through a >> multi join query, 'selected' the individual CREATE statements for every >> relationship, saved this to a file, installed APOC, granted permissions and >> then ran the file using runFile. It is faster now (probably going to take >> 4-5 hours) but seems overly complicated. I'm hoping someone has a better >> way of doing it! >> >> Ideas? :) >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Neo4j" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to neo4j+un...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > >
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