OWLIM Roadmap

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Mission: Over the coming 12 months, OWLIM will be developed to the point where its robustness, ease of use and tool support put it on a par with established relational database technology thus providing the pathway for semantic technology to further penetrate the corporate market place.

Roadmap: The following table shows new features, improvements and intended release dates for the next few versions of OWLIM. Customer needs and issues arising will affect this plan from time to time, but the intention is to provide a quick overview of the next few release cycles, so that OWLIM users have some indication of when they can expect certain features to be available.

Version Release date OWLIM-Lite OWLIM-SE (Standard Edition) OWLIM-Enterprise
4.0
24.06.2011
SPARQL 1.1 Query (via Sesame interface) SPARQL 1.1 Query (via Sesame interface)
Performance analytics for probing the internal behaviour of OWLIM-SE
Widening of internal IDs to allow more than 2^32 resources
Expose internal IDs for entities
Add transaction information to notifications
Automatic upgrade of repository files created with previous versions.
Distribution includes easy to deploy WAR files
4.1 19.07.2011 Maintenance release, Sesame 2.4.2 Maintenance release, Sesame 2.4.2
Several SPARQL 1.1 Query related fixes
Maintenance release, Sesame 2.4.2
4.2 26.08.2011 SPARQL 1.1 Update (via Sesame interface
SPARQL 1.1 Query brought up to May 2011 W3C draft
Includes Sesame 2.5
SPARQL 1.1 Update (via Sesame interface)
SPARQL 1.1 Query brought up to May 2011 W3C draft
Includes Sesame 2.5
SPARQL 1.1 Update (via Sesame interface)
SPARQL 1.1 Query brought up to May 2011 W3C draft
Includes Sesame 2.5
4.3 04.11.2011 SPARQL 1.1 Federation SPARQL 1.1 Federation
User accessible plug-in API
Wide range of query evaluation improvements (time-out behaviour, excessive thread use, bug-fixes)
SPARQL 1.1 Federation
Concurrency improvements
5.0
19.04.2012 SPARQL 1.1 Graph store protocol

SPARQL 1.1 Graph store protocol
Refactored transaction management (improved concurrency, zero-time recovery)
Index compression
Literal indexing
Incremental RDF Rank and Lucene FTS indices
Monitoring and control of resource-heavy processes
Control queries re-implemented as SPARQL updates
Stand-alone server deployment option (released separately)
SPARQL 1.1 Graph store protocol
(plus all the updates from OWLIM-SE)

5.1
13.06.2012
Maintenance release
Sesame 2.6.6
Concurrency fixes
Maintenance release
Sesame 2.6.6
Inference improvements (all RDFS/OWL axiomatic statements treated as inferred)
Numerous fixes for query evaluation, file handling, memory usage
Maintenance release
Sesame 2.6.6
Cluster logic fixes
5.2
24.07.2012
Maintenance release
Support for N-Quads
Sesame 2.6.8
Inference improvements (all RDFS/OWL axiomatic statements treated as inferred)
Fixes for persistence issues when using Tomcat
Maintenance release
Support for N-Quads
Sesame 2.6.8
Query optimisation fixes
Plug-in SDK updated with transaction notifications
Maintenance release
Support for N-Quads
Sesame 2.6.8
Resilience improvements
5.3
19.11.2012
Sesame 2.6.10
OWLIM-Workbench - a full-featured, standlone OWLIM instance

Abort function for runaway update transactions
Nested repositories
Enforced consistency checks
Sesame 2.6.10
Remote replication (for disaster recovery)
Online backup/restore
Sesame 2.6.10
5.4-prerelease
19.07.2013
Sesame 2.7.3
Improved Lucene FTS (always in synch)
5.4-maintenance
October 2013
Sesame 2.7.7
Improved Lucene FTS (always in synch) - beta
Options for text analytics integration
Stability improvements
Sesame 2.7.7
Lucene-3.6.2
Sesame 2.7.7
Lucene-3.6.2
Stability improvements
2-stage update (33% faster)
5.5 Feb 2014
Performance improvements in SAFE mode for updates Perf improvements from SE
Query log; Slow query log
5.6 April 2014
Query/Execution plan improvements
Improvement plugin management (via JMX): enable/disable plugins w/o restart
Cluster resilience/failover improvements
Closed World Assumption
5.7 Unscheduled
Geo-sparql update (always in synch, closer conformance with OGC GeoSPARQL)SPARQL inferencer
Temporal extensions
XPath/XQuery integration for easier XML->RDF migration
Storage layer redesign for better transaction support
Management tool - phase 1 (cluster configuration)
Management tool - phase 2 (online backup, performance diagnosis)
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