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                        Rasqal RDF Query Library - News

2005-05-19 Version 0.9.9 Released

   Updated to SPARQL Query Language for RDF, W3C Working Draft, 19 April 2005
   making widespread changes the syntax.
   Query API extensively added to access more query structure
   Query engine updated including query results limit and offsets
   Updated to the revised SPARQL Query Results XML Format (not yet published)
   Many other bug fixes and improvements

   See the 0.9.9 Release Notes for the full details of the changes.

2005-04-10 Version 0.9.8 Released

   Updated to SPARQL Query Language for RDF W3C Working Draft of 17 February
   2005
   Added casting to the engine and in SPARQL
   Restructured query engine to be based on a tree of graph patterns
   Constraints now work per-graph pattern
   Added a Data Graph API
   Query engine uses and binds graph names in queries (SPARQL LOAD, FROM and
   GRAPH)
   Expanded the Graph Pattern API

   See the 0.9.8 Release Notes for the full details of the changes.

2005-02-27 Version 0.9.7 Released

   Fix a resource cleanup problem when query results were not fully read
   Fixed some crashes in expression evaluation with invalid types
   Added a graph pattern API to provide full access to the query structures
   Added query methods to return just bound or all variables
   Some updates for syntax changes of SPARQL Query Language for RDF W3C Working
   Draft of 17 February 2005
   Portability fixes for win32 (Dave Viner)

   See the 0.9.7 Release Notes for the full details of the changes.

2005-02-06 Version 0.9.6 Released

   Added support and API calls for new query result forms graph and boolean
   Added SPARQL CONSTRUCT, ASK result forms
   Added 7 new SPARQL built-in functions
   Allow UTF-8 and Unicode in prefixes and QNames in queries
   Several other changes and bug fixes.

   See the 0.9.6 Release Notes for the full details of the changes.

2005-01-16 Version 0.9.5 Released

   Query engine refactored to execute over graph patterns
   Added support for SPARQL optionals
   Added formatting of query results according to the SPARQL Variable Binding
   Results XML Format, W3C Working Draft, 21 December 2004
   Updated SPARQL to handle syntax changes
   Many other improvements and fixes

   See the 0.9.5 Release Notes for the full details of the changes.

2004-10-29 Version 0.9.4 Released

   Fixed several crashes during query execution
   Fixed some memory leaks when a query failed
   Pass on internal raptor errors to rasqal users.

   See the 0.9.4 Release Notes for the full details of the changes.

2004-10-25 Version 0.9.3 Released

   License changed to LGPL 2.1/Apache 2
   Added initial support for the W3C SPARQL Query Language for RDF, 2004-10-12
   working draft
   Queries can now be executed multiple times
   Portability fixes for building on win32 (Chris Pointon)
   Various roqet utility improvements

   See the 0.9.3 Release Notes for the full details of the changes.

2004-08-03 Version 0.9.2 Released

   Fix casts for C++
   Add win32 skeleton header file
   Fix a memory leak when using redland inside rasqal

   See the 0.9.2 Release Notes for the full details of the changes.

2004-06-13 Version 0.9.1 Released

   Added a query results class separate from the query class and moved all the
   results methods to the new class.
   Made portability fixes for the generated RDQL lexer files

   See the 0.9.1 Release Notes for the full details of the changes.

2004-05-15 Version 0.9.0 Released

   First public release.

2003-08-12 Version 0.1.0 Released

   Initial web site created. Nothing actually released.
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   Copyright  2003-2005 Dave Beckett, Institute for Learning and Research
   Technology, University of Bristol