Wednesday, June 6, 2012
11:15 AM - 11:45 AM
|Level: ||Practical Experience|
|Location: ||Yosemite B|
For the last eight years OWLIM eastablished itself as a leading semantic repository that enabled some of the higest profile applications of semantic technology like the BBC's FIFA World Cup 2010 web site. OWLIM version 5.0 is the next big step, featuring support for the SPARQL 1.1 graph store protocol, integration with TopBraid Composer/Live and many other improvements. The single most important new feature is the new transaction management mechanism which allows for much more reliable and efficient handling of workloads where queries from multiple clients are combined with frequent updates of the data. We will present benchmark results demonstrating that:
• OWLIM v.5.0 is 43% faster than v.4.3 on the BSBM Explore and Update scenario
• As a result of several changes in the index structures, OWLIM now requires between 25% and 70% less storage space
The recent usage scenarios to be presented include British Museum's and UniProt's public SPARQL end-points along with the newest version of the FactForge public data service. The latter allows one to query and explore from a single repository 10 of the most popular linked data datasets and provides a live public demonstration of reasoning with billions facts, geo-spatial indices and many other advanced features of OWLIM.
Barry Bishop is the Product Manager for the OWLIM family of Semantic Repositories and is managing Ontotext's partnership with landmark OWLIM users such as the BBC and The Press Association. He has over 20 years experience in software engineering and has worked with semantic technologies since 2007, particularly in the areas of knowledge representation and reasoning. He has contributed to several European funded research projects including LarKC and SOA4All. Previously Barry led the IRIS research unit at the Semantic Technology Institute at the University of Innsbruck.
Atanas Kiryakov is the founder and executive director of Ontotext AD, a Sirma Group company. Ontotext is among the leading providers of core semantic technology, distinctive for its performance, scaleability, and compliance with open standards. Kiryakov joined Sirma (a top-3 software company in Bulgaria) as a software engineer in 1993 and later on became partner and member of the board. In 2000 he founded Ontotext and led it in research projects with a total budget of over 100M Euro. In 2008 Kiryakov finalized an investment deal for Ontotext for 2.5M Euro with venture capital fund NEVEQ. Since 2004 Atanas is a member of the board of Innovantage – a leading provider of recruitment intelligence in UK. Kiryakov obtained his M.Sc. degree in CS from the Sofia University, Bulgaria, in 1995 with a thesis on knowledge representation. His research interests include reasoning, information extraction, and linked data management.