- From: Kingsley Idehen <kidehen@openlinksw.com>
- Date: Tue, 28 Jul 2009 14:31:21 +0100
- To: Juan Sequeda <jsequeda@cs.utexas.edu>
- CC: ashok.malhotra@oracle.com, ticiana linhares <ticianalc@gmail.com>, public-xg-rdb2rdf <public-xg-rdb2rdf@w3.org>, jim.melton@acm.org
Juan Sequeda wrote: > Hi Ticiana > > You can check out paper "Translating SQL Applications to the Semantic > Web" [1]. We present a set of formal and complete first order logic > rules to extract an ontology from the relational schema in SQL > DDL.This is part of a larger implementation that we are soon to > finalize. We will announce soon was we have this available for > download. You can also find a survey of existing approaches that > extract ontologies from relational databases here [2] > > There is also th RDBToOnto tool from the TAO Project [3] > > [1] http://www.springerlink.com/content/mv58805364k31734/ > [2] ftp://ftp.cs.utexas.edu/pub/techreports/tr09-04.pdf > [3] > http://www.tao-project.eu/researchanddevelopment/demosanddownloads/RDBToOnto.html > > Juan Sequeda, Ph.D Student > Dept. of Computer Sciences > The University of Texas at Austin > www.juansequeda.com <http://www.juansequeda.com> > www.semanticwebaustin.org <http://www.semanticwebaustin.org> > > > On Mon, Jul 27, 2009 at 11:39 PM, ashok malhotra > <ashok.malhotra@oracle.com <mailto:ashok.malhotra@oracle.com>> wrote: > > I'm forwarding your request to the RDB2RDF mailing list. > There are many people on this list who are interested in this area > and will be able to > help you. > All the best, Ashok > > > ticiana linhares wrote: > > Good Afternoon, > > We are students of Federal University of Ceará, Brazil. We are > of group Advanced Research in Database and we are looking for > a tool for extracting ontologies from E/R diagram or > extracting ontologies from relational database. Do you know > any tool free that has this feature? > Thank you for your attention. > > Cordially, > > -- > Advanced Researchs in Database Group > Computing Science > > -- > Ticiana Linhares > Ciência da Computação > > > Also note there is portal re. this information i.e., generating an Ontology from a Relational Schema. Links: 1. http://esw.w3.org/topic/Rdb2RdfXG/StateOfTheArt 2. http://delicious.com/kidehen/rdb2rdf - my collection of links that include Virtuoso RDB2RDF functionality (note: this includes a Wizard for generating an Ontology and instance data for said ontology from ODBC or JDBC accessible Relational Schemas). -- Regards, Kingsley Idehen Weblog: http://www.openlinksw.com/blog/~kidehen President & CEO OpenLink Software Web: http://www.openlinksw.com
Received on Tuesday, 28 July 2009 13:32:09 UTC