[Neo] Can Neo4j read and process a rdf file?

2010-02-03 Thread francis adediran
Hi guys, I'm just wondering whether Neo has a utility to read in the contents of an rdf file. Jena has this functionality InputStream in = FileManager.*get*().open( filename); *this*.model.read(in, *null*); in.close(); but does Neo4j has this. It will be cool if one can read in an rdf data

Re: [Neo] Checking whether a relationship exists between two nodes...

2010-02-03 Thread Mattias Persson
2010/2/2 Maria Giatsoglou mgiat...@csd.auth.gr: Hello all I am creating a project that performs a number of benchmark tasks on Neo. One of the tests measures the required time for creating a relationship between two neo nodes A and B. However, before creating the relationship, it should firs

Re: [Neo] Can Neo4j read and process a rdf file?

2010-02-03 Thread Mattias Persson
You'll need to take a look at exposing Neo4j as an RDF store, a SAIL rather. So take a look at: http://components.neo4j.org/neo4j-rdf/ http://components.neo4j.org/neo4j-rdf-sail/ Those sites have slightly outdated examples, but will get fixed during the day! So then when you have your Neo4j

Re: [Neo] Neo In The Wild - Vizatweet

2010-02-03 Thread Matt Johnston
Thanks for all the comments so far and please feel free to share/tweet/link/slashdot/digg/whatever you want with the link. I do welcome feedback. Part of the reason I posted this in a pretty early release state is because I want to see how people will use something like this and what features

Re: [Neo] Neo In The Wild - Vizatweet

2010-02-03 Thread Matt Johnston
Each report is a node that connects to a common parent container node. Essentially creating sub-graphs for each report. The dataset is actually pretty small for each report. Since the maximum number of tweets that are being analyzed is 100, I would guesstimate that the total number of nodes would

Re: [Neo] Neo In The Wild - Vizatweet

2010-02-03 Thread Peter Neubauer
Would be awesome to test this with bigger amounts of data and do some more fancy stuff with it! Any plans going forward? Cheers, /peter neubauer COO and Sales, Neo Technology GTalk: neubauer.peter Skype peter.neubauer Phone +46 704 106975 LinkedIn

Re: [Neo] Neo In The Wild - Vizatweet

2010-02-03 Thread Rick Bullotta
Hi, Matt. I share your pain. We ended up back on Flex/Flash because we can provide a much more exciting and interactive user experience than we could with HTML 5 (at present). Just as important was that we didn't need to screw around with browser incompatibility issues which, by some of

[Neo] Neo Error - Block not inuse

2010-02-03 Thread Rick Bullotta
Has anyone seen an error like this? Block not inuse[0] blockId[10931] Seems to be occurring attempting to commit an update to a node's properties. I ended up deleting and recreating the entire graph and it went away.but still curious to know what the cause might have been. Thanks,

Re: [Neo] Strange behavior when calling getSingleRelationship : More than one relationship[DynamicRelationshipType[profile], OUTGOING]

2010-02-03 Thread Raul Raja Martinez
Here is a attached a video that shows a similar or the same problem. Calling getSingleRelationship results in a exception but after inspecting the variables call the relationships with that same type have the have the same relationship id. Does it make sense to have a two relationships of the

Re: [Neo] Neo Error - Block not inuse

2010-02-03 Thread Peter Neubauer
Rick, Johan is sick today, but will take a look at this asap. Can you reproduce this in any way? Cheers, /peter neubauer COO and Sales, Neo Technology GTalk: neubauer.peter Skype peter.neubauer Phone +46 704 106975 LinkedIn http://www.linkedin.com/in/neubauer Twitter

Re: [Neo] Strange behavior when calling getSingleRelationship : More than one relationship[DynamicRelationshipType[profile], OUTGOING]

2010-02-03 Thread Peter Neubauer
Raul, the video did not make it through to the mailing list, can you send it off-list directly to me? Then we can take a look at this tomorrow first thing! Cheers, /peter neubauer COO and Sales, Neo Technology GTalk: neubauer.peter Skype peter.neubauer Phone +46 704 106975

[Neo] Graph Algos

2010-02-03 Thread Todd Stavish
Hello, When I migrated from: dependency groupIdorg.neo4j/groupId artifactIdgraph-algo/artifactId version0.2-SNAPSHOT/version /dependency to: dependency groupIdorg.neo4j/groupId artifactIdneo4j-graph-algo/artifactId version0.3-SNAPSHOT/version /dependency

Re: [Neo] Strange behavior when calling getSingleRelationship : More than one relationship[DynamicRelationshipType[profile], OUTGOING]

2010-02-03 Thread Tobias Ivarsson
Hi Raul, Thanks for spotting this bug, not many people have. This is a cache bug that was found and fixed a while back (10 days or so). There has not been a new release since then, so if you are not running on the version from trunk that would explain it. If however you are running on the