Re: ANNOUNCEMENT: Rasqal RDF Query Library 0.9.20

Woo hoo!  SPARUL!

The Read Write Web just got one step closer ...

On 22 August 2010 19:05, Dave Beckett <dave@dajobe.org> wrote:

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>                   Rasqal RDF Query Library 0.9.20
>                      http://librdf.org/rasqal/
>
> Rasqal is a free software / Open Source C library that provides
> querying of Resource Description Framework (RDF) with multiple query
> languages syntaxes, query construction by API and execution of
> queries returning results as bindings, boolean, RDF graphs/triples
> or syntaxes.  It supports the following query languages:
>  SPARQL 1.0, RDQL, Draft SPARQL Query 1.1, Update 1.1 Syntax and
>  Experimental SPARQL extensions (LAQRS)
> and can write binding query results in the following formats:
>  SPARQL XML, SPARQL JSON, CSV, TSV, HTML and ASCII tables.
>
> Rasqal is designed to work closely with the Redland[1] RDF library
> and the Raptor[2] RDF Syntax Library but is entirely separate from both.
>
> Rasqal is beta quality; the API is still changing.  It is a portable
> library and has been tested on multiple POSIX systems and
> architectures.  Rasqal has no known memory leaks.
>
> The main changes in this version since the last release 2010-02-15 are:
>  * Updated to handle more of the new syntax defined by the [3]SPARQL 1.1
>   Query and [4]SPARQL 1.1 Update W3C working drafts of 1 June 2010
>  * Added execution support for new SPARQL 1.1 query built-in expressions
>   IF, URI, STRLANG, STRDT, BNODE, IN and NOT IN.
>  * Added an 'html' query result table format from patch written
>   by Nicholas J Humfrey
>  * Added API support for group by HAVING expressions
>  * Added XSD Date comparison support
>  * Support building with Raptor V2 API if configured with --with-raptor2.
>  * Fixed Issues: #0000352, #0000353, #0000354, #0000360,
>   #0000374, #0000377 and #0000378
>
> For full details see the Rasqal 0.9.20 release notes at
>  http://librdf.org/rasqal/RELEASE.html#rel0_9_20
>
> Rasqal 0.9.20 requires Raptor 1.4.19[2] or newer to provide RDF, web,
> XML and URI support.  Optional requirements are a POSIX regular
> expression library such as PCRE or one built into the C library to
> handle regex matching and a multi-precision decimal library such
> as GNU MP or MPFR.
>
> Binary deb packages for Debian unstable will be made available
> later via the standard Debian archive.
>
> Sources will also be available from the Redland SourceForge mirror
> site at http://sourceforge.net/projects/librdf/ although the site is
> such a pain to use to upload and manage files, I may stop.
>
> The http://librdf.org/ site lets you browse and check out the latest
> version of the sources in Subversion and try out Rasqal (as part of
> Redland) in a web demonstration at http://librdf.org/query
> and as part of Triplr http://triplr.org/
>
> For more information on Redland, Raptor or Rasqal please join
> the redland-dev list by visiting http://librdf.org/lists/
> or visit IRC channel #redland on irc.freenode.net
>
> Issues should be reported to http://bugs.librdf.org/
>
> Dave
>
> [1] Redland RDF library,
> http://librdf.org/
>
> [2] Raptor RDF Syntax Library,
> http://librdf.org/raptor/
>
> [3] SPARQL 1.1 Query W3C Working Draft of 2010-06-01
> http://www.w3.org/TR/2010/WD-sparql11-query-20100601/
>
> [4] SPARQL 1.1 Update W3C Working Draft of 2010-06-01
> http://www.w3.org/TR/2010/WD-sparql11-update-20100601/
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