W3C

- DRAFT -

RDB2RDF Telcon

12 Sep 2008

See also: IRC log

Attendees

Present
Soeren Auer, Ashok_Malhotra, Orri Erling, Ahmed Ezzat, Jenny Green, Ivan Mikhailov, Satya Sahoo, Juan Sequeda
Regrets
Paolo Boquet
Chair
Ashok Malhotra
Scribe
Jenny Green

Contents


 

 

<Ashok> f2f in Karlsruhe Germany

<Ashok> In conjunction with ISWC 2008

<Ashok> scribe: Jenny Green

<Ashok> scribenick: JennyGreen

Minutes from last weeks meeting 05/09/08 were approved

F2F in Karlsruhe will be after ISWC 2008

<Ashok> Ahmed will arrange Web Based Telcon for f2f

<Ashok> We will test this facility on Oct 10 Telcon

Telecons will be cancelled on Sept 26, Oct 3, 17 and 24

<Ashok> Cancel calls on Sept 26, Oct 3, 17 and 24

<Ashok> Soeren Auer reports on Semantics Conference

<Ashok> Triplify challenge

<Ashok> Winners were Toronto Movie database

<Ashok> Second dbtunes

<Ashok> Third Semantic Pipes

<soeren> http://triplify.org/Challenge/

<Ashok> Soeren will send link to Triplify Challenge. See above

Challenge will be run again next year

The submissioned were judged by a commitee of experts against three criteria, details can be found on the webpage.

No actions to follow up this week

<Ashok> No action items this week

No updates to the literature survey this week

<Ashok> Requirement by Orri Erling: http://esw.w3.org/topic/Rdb2RdfXG/ReqForMappingByOErling

<Ashok> Orri also has a blog ...

<iv_an_ru> Orri's blog (A.K.A. Virtuoso product blog) is http://virtuoso.openlinksw.com/blog/

<Ashok> Performance: 70,000 per hour SQL/JDBC 18,000 per hour using SPARQL -- performance numbers from Orri

<Ashok> Ivan: queries cannot be translated 1:1

<Ashok> Static SQL saves half the run time

Orri will carry on the work and give another update on performance next week

<Ashok> Discussion of Requirements

<Ashok> Can we expand the para on ETL vs. On-The-Fly and put it lower down

<Ashok> Orri: This is primarily for query and integration. Updates on the underlying RDB systems

<Ashok> Ahmed: I think main value is in integrating RDB with unstructured data

<iv_an_ru> +q

<Ashok> Orri: XML would not be a bad choice for mapping language

<Ashok> Need declarations to limits on Joins

<scribe> ACTION: Orri to update the requirements [recorded in http://www.w3.org/2008/09/12-RDB2RDF-minutes.html#action01]

<scribe> ACTION: Jenny/Cathy to send out use case to the group. [recorded in http://www.w3.org/2008/09/12-RDB2RDF-minutes.html#action02]

Summary of Action Items

[NEW] ACTION: Jenny/Cathy to send out use case to the group. [recorded in http://www.w3.org/2008/09/12-RDB2RDF-minutes.html#action02]
[NEW] ACTION: Orri to update the requirements [recorded in http://www.w3.org/2008/09/12-RDB2RDF-minutes.html#action01]
 
[End of minutes]

Minutes formatted by David Booth's scribe.perl version 1.133 (CVS log)
$Date: 2008/09/12 16:04:41 $

Scribe.perl diagnostic output

[Delete this section before finalizing the minutes.]
This is scribe.perl Revision: 1.133  of Date: 2008/01/18 18:48:51  
Check for newer version at http://dev.w3.org/cvsweb/~checkout~/2002/scribe/

Guessing input format: RRSAgent_Text_Format (score 1.00)

Found Scribe: Jenny Green
Found ScribeNick: JennyGreen

WARNING: No "Topic:" lines found.

Default Present: +1.408.285.aaaa, Ashok_Malhotra, +0792123aabb, [IPcaller], +1.512.484.aacc, iv_an_ru, +1.512.471.aadd, +0792123aaee
Present: +1.408.285.aaaa Ashok_Malhotra +0792123aabb [IPcaller] +1.512.484.aacc iv_an_ru +1.512.471.aadd +0792123aaee

WARNING: No meeting title found!
You should specify the meeting title like this:
<dbooth> Meeting: Weekly Baking Club Meeting

Got date from IRC log name: 12 Sep 2008
Guessing minutes URL: http://www.w3.org/2008/09/12-RDB2RDF-minutes.html
People with action items: cathy jenny orri

WARNING: Input appears to use implicit continuation lines.
You may need the "-implicitContinuations" option.


WARNING: No "Topic: ..." lines found!  
Resulting HTML may have an empty (invalid) <ol>...</ol>.

Explanation: "Topic: ..." lines are used to indicate the start of 
new discussion topics or agenda items, such as:
<dbooth> Topic: Review of Amy's report


[End of scribe.perl diagnostic output]