Ontotext are pleased to announce the release of OWLIM version 5.2 <http://www.ontotext.com/owlim>. This is a maintenance release that includes Sesame <http://www.openrdf.org> 2.6.8 and a variety of updates made available since OWLIM 5.1. This version is completely compatible with any OWLIM database created with OWLIM since version 5.0.

Many query optimisation problems that lead to slow SPARQL queries and updates have been fixed in OWLIM-SE and OWLIM-Enterprise, along with several improvements to the plug-in API.

For those who regularly use the getting started application as a bulk data loader, this has been updated to support uploading of files of any size (no separate converting and splitting of files is required). Combined with its export facility, the getting-started application can now be used as a backup/restore tool.

Support for the N-Quads RDF format has been added. This format is seeing growing use in the RDF community and is now supported in OWLIM internally - native support in Sesame will happen in the near future.

Also, resilience improvements to OWLIM-Enterprise have been made for handling out of disk-space problems and transient difficulties during replication.

For a full list of updates, see the release notes for the relevant edition of OWLIM <http://owlim.ontotext.com>.

The OWLIM team
July 2012

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