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Re: Sesame

From: Charles McCathieNevile <charles@w3.org>
Date: Mon, 12 May 2003 07:19:13 -0400 (EDT)
To: Libby Miller <Libby.Miller@bristol.ac.uk>
cc: Shadi Abou-zahra <shadi@abou-zahra.net>, w3c-wai-er-ig <w3c-wai-er-ig@w3.org>
Message-ID: <Pine.LNX.4.30.0305120715570.8180-100000@tux.w3.org>

Pierre Queinnec and Romain Roure used Jena in their java classes - which can
be found at http://encre.plastiqueweb.com/essi/annotea.tar.bz2

I have Bcc'ed them as they may have time to answer questions, although their
project work is now completed...



On Sun, 11 May 2003, Libby Miller wrote:

>hi Shadi
>I'm the author of Inkling, and I should emphasise that it's
>experimental, demonstrator software, which I'm also in the process of
>rewriting significantly, with the emphasis on smallness and ease of use.
>I built it for myself - I'm a Semantic Web researcher - and I can't
>really provide a great deal of support for it, nor guarantee that it
>will work in a scalable way (it can however handle 200,000+ triples
>comfortably with a postgres backend database, and I'm happy to answer
>questions and help where I can. It's also handy for testing experimental
>approaches to querying small documents, for example using
>http://swordfish.rdfweb.org:085/rdfquery, and the little demo I wrote
>at a WAI meeting which you reference below).
>If you want something scalable and well-supported, Sesame and Jena are
>good choices for Java. Sesame and Jena support a similar query language
>to Squish (RDQL); Sesame also has two other query languages - RQL and
>SeRQL, and support for simple inferencing (subclassing and
>subproperties). The Sesame and Jena developers are friendly and
>helpful, and can be found on IRC (irc.freenode.net channel #rdfig) and
>on various mailing lists (www-rdf-rules@w3.org (RDF query),
>jena-dev@yahoogroups.com, jena-devel@sourceforge.net).
>I'm part of a project called SWAD-Europe
>(http://www.w3.org/2001/sw/Europe/), and we have been doing some surveys
>and reports on various aspects of RDF storage and query - you can find
>them here:
>Hope that helps
>On Sat, 10 May 2003, Shadi Abou-zahra wrote:
>> hello,
>> while experimenting with different approaches to query EARL results i
>> looked at two implementations:
>> * Inkling - SquishQL based
>>   http://swordfish.rdfweb.org/discovery/2001/10/earl/
>> * Sesame - RQL based
>>   http://sesame.aidministrator.nl
>> even though Sesame seems to be more flexible (finer query granularity
>> possible), i ask myself if the overhead involved in such an approach is
>> justified as i couldn't think of any vital EARL queries that can't be
>> covered using SquishQL. on the other hand it may not be wise to restrict
>> my EARL querying application from the start.
>> anyway, i'm just curious to know if anyone else has experience with any
>> of these implementations and what your thoughts on them regarding EARL
>> queries are.
>> thanks,
>>   shadi

Charles McCathieNevile  http://www.w3.org/People/Charles  tel: +61 409 134 136
SWAD-E http://www.w3.org/2001/sw/Europe         fax(france): +33 4 92 38 78 22
 Post:   21 Mitchell street, FOOTSCRAY Vic 3011, Australia    or
 W3C, 2004 Route des Lucioles, 06902 Sophia Antipolis Cedex, France
Received on Monday, 12 May 2003 07:19:23 UTC

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