We've just released version 5.0.4 of the Virtuoso Universal
Server platform for SQL, XML, and RDF. The new release includes the
following enhancements:
Web Server:
- HTTP 1.1 compliant Transparent
content-negotiation in URL-rewrite rules for Linked Data
Deployment.
RDF Data Management:
- New providers for the Jena, Sesame
and Redland frameworks
- support for SPARQL INSERT and
UPDATE via HTTP POST
- New SPARQL-BI extenstions that make
Business Intelligence feasible via SPARQL
- new "rdf_sink" folder for handling
HTTP PUTs into WebDAV that automatically sync with Quad
Store.
- There are new Sponger (RDFizer)
cartridges that map Amazon book-search results to the Biliographic
Ontology, supports production of Linked Data from OAI, XBRL, and
Yahoo finance data sources.
- HTTPS protocol support added to
Sponger
- performance optimizations for
SPARQL `DESCRIBE' and `CONSTRUCT', alongside general performance
enhancements for RDF data set loading.
Core DBMS Engine:
- PHP hosting a module re-implemented
as a Virtuoso plugin inline with otherlanguage hosting
modules
- improved deadlock condtion
management
- enhanced POP and FTP server side
protocol implementations that allow larger data transfers.
Additional Information