My project is building a Java web application on top of the AllegroGraph RDF store. I would like to find a good solution to map between the triples that come out of the store and our domain objects. I have looked into Topaz, an Object/Triple mapping API being developed in the spirit of Hibernate. The trouble is that they don't current...
Hi, every one. I have a problem about registing namespace in AllegroGraph. My java code (program 1) : AllegroGraphConnection agc = new AllegroGraphConnection(); agc.enable(); AllegroGraph ag = agc.create("test", AGPaths.TRIPLE_STORES); AGUtils.printStringArray("AG Namespaces (initially):", ag.getNamespaces()); ag.registerNamespace(...
Hi All, What is the difference between this 2 graph DB: Neo4j and AllegroGraph? Which is better for JAVA Web programming? Thanks Erwin ...
I am trying to query AllegroGraph 4.0 using roqet to extract data in CSV. Is it possible? In roqet man page it is not clear if it can query a triple store besides rdf files. About AG HTTP protocol: http://www.franz.com/agraph/support/documentation/v4/http-protocol.html#header2-270 About roqet: http://librdf.org/rasqal/roqet.html Hello...
I'm uncertain as to the behaviour of the AllegroGraph triple store in regard to transactions. The tutorial talks about using two connections, but does not mention Jena models. If I use Model's begin(), commit(), and abort() methods, do I still need to use two connections? How does a model interact with the connection's auto-commit setti...