OpenLink Virtuoso Universal Server 5.0.1

OpenLink Virtuoso is a Virtual Database product that provides transparent real-time access to disparate data sources (ODBC, JDBC, XML, and Web Services), and transparent integration of disparate application logic (e.g. Mono ECMA-CLI and J2EE integration). OpenLink Virtuoso Universal Servers broad protocol support enables it to offer Web, File, and SQL database server functionality alongside native XML storage, and Web services platform functionality as part of a cohesive single server solution. Virtuoso is at the core a high performance object-relational SQL database. As a database, it provides transactions, a smart SQL compiler, powerful stored procedure language with optional Java and .Net server side hosting, hot backup, SQL 99 and more. It has all major data access interfaces, as in ODBC, JDBC, ADO .Net and OLE/DB. Virtuoso has a built-in web server which can serve dynamic web pages written in Virtuosos web page language as well as PHP, ASP .net and others. This same web server provides SOAP and REST access to Virtuoso stored procedures, supporting a broad set of WS protocols such as WS-Security, WS-Reliable Messaging and others. A BPEL4WS run time is also available as part of Virtuosos SOA suite. Virtuoso has a built-in WebDAV? repository. This can host static and dynamic web content and optionally provides versioning. The WebDAV? repository is tested to interoperate with WebDAV? clients built into Windows XP, Mac OSX and others and makes Virtuoso a convenient and secure place for keeping ones files on the net. Further, Virtuoso provides automatic metadata extraction and full text searching for supported content types. Open Virtuoso supports SPARQL embedded into SQL for querying RDF data stored in Virtuosos database. SPARQL benefits from low-level support in the engine itself, such as SPARQL aware type casting rules and a dedicated IRI data type. This is the newest and fastest developing area in Virtuoso. Whats New in This Release: - Enhanced cost-based optimizer - Fixed cost calculation for RDF inf nodes - Added larger sample in query cost model sampling - Enhanced SPARQL support - Added BREAKUP - Added CONSTRUCT ... LIMIT ... - Significant performance optimizations - Added QUAD MAP <...> { ... } group pattern - Updated documentation - Significant update of all ODS applications - Added compliance to latest SIOC vocabulary - Added calendar - Added OpenID login and registration - Added new SIOC subclasses to allow RDF inference - Enhancements to existing applications - Bug fixes. OpenLink Public Wiki: Virtuoso Open-Source Edition

Requirements:	No special requirements
Platforms:	Linux
Keyword:	Database,  Openlink,  Openlink Virtuoso Universal Server,  Provides,  Rdf,  Server,  Sparql,  Sql,  Universal,  Virtual Database,  Virtuoso,  Virtuoso Universal Server,  Web,  Ws
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