W3C home > Mailing lists > Public > public-xg-rdb2rdf@w3.org > September 2008

Re: RDB2RDF XG queries

From: ashok malhotra <ashok.malhotra@oracle.com>
Date: Mon, 22 Sep 2008 08:48:54 -0700
Message-ID: <48D7BE66.50606@oracle.com>
To: Jenny Green <Jenny.Green@ordnancesurvey.co.uk>
CC: public-xg-rdb2rdf@w3.org

Hi Jenny:
A couple of questions.

You said that the D2RQ mapping shown was not complete and there was 
additional information in the mapping file. Could you send the 
additional information?

Also, eventually, a SQL query is constructed to return the field ID and 
its other properties.
Could you send the SQL query also?

Thanks!

All the best, Ashok


Jenny Green wrote:
> Hi all,
> Attached is a description of our use case at Ordnance Survey for 
> discussion. I thought it may interest you and give you some 
> perspective on what Cathy and I are hoping the working group can 
> achieve. Any comments or suggestions that you have are all gratefully 
> received. If there are many comments then I will suggest to Ashok that 
> we make the discussion an agenda item next week.
> *Jennifer Green*
> *Research Scientist*
> *Research*, *Ordnance Survey*
> C530, Romsey Road, SOUTHAMPTON, United Kingdom, SO16 4GU
> Phone: +44 (0) 23 8030 5717
> www.ordnancesurvey.co.uk <http://www.ordnancesurvey.co.uk/> | 
> jenny.green@ordnancesurvey <mailto:jenny.green@ordnancesurvey>.co.uk 
> <mailto:jenny.green@ordnancesurvey.co.uk>
> *
>
> *P** **Please consider your environmental responsibility before 
> printing this email.*
>
> *
>
> ------------------------------------------------------------------------
> *From:* Catherine Dolbear
> *Sent:* 18 September 2008 11:17
> *To:* oerling@openlinksw.com
> *Cc:* Jenny Green
> *Subject:* RDB2RDF XG queries
>
> Hi Orri,
>
> Following up on my action from the RDB2RDF incubator group, Iíve 
> attached a description of our use case at Ordnance Survey. Actually, 
> it turns out that our SPARQL queries are very simple, but thereís a 
> lot going on behind the scenes in terms of the knowledge needed Ė some 
> of this could potentially be put into a more complex query, but I 
> wasnít sure. Any comments or suggestions you have on this use case 
> would be great.
>
> Kind regards,
>
> Cathy
>
> **Dr Cathy Dolbear**
>
> **Senior Research Scientist**
>
> **Ordnance Survey Research**
>
> C530, Romsey Road, SOUTHAMPTON, United Kingdom, SO16 4GU
>
> Phone: +44 (0) 23 80792868
>
> | Fax: +44 (0) 23 80305072
>
> www.ordnancesurvey.co.uk/research 
> <http://www.ordnancesurvey.co.uk/research> | 
> Catherine.Dolbear@ordnancesurvey.co.uk 
> <mailto:Catherine.Dolbear@ordnancesurvey.co.uk>
>
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Received on Monday, 22 September 2008 15:50:01 UTC

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