Thanks Matthew
sounds like simple rules then? how does the system know if a word is a
proper name though, does it use an ontology or taxonomy as a
reference, I ll look into it (01)
p (02)
On 2/14/08, matthew.west@xxxxxxxxx <matthew.west@xxxxxxxxx> wrote:
> Dear Paola,
>
> > >if you consider this sort of thing to be a tool for computer
> > > assisted ontology development, then it can be very helpful,
> > particularly
> > > where we are talking about extracting brute facts. However,
> > if you are
> > > talking about more general ontology extraction, then of
> > course the ontolgoy
> > > produced is going to be no better than that of the document
> > considered, and
> > > there are the usual issues with ambiguity that computers
> > usually struggle
> > > with, especially using words with different senses in close
> > proximity.
> > >
> >
> > I agree, and think that such functionality can be useful to aid
> > concept extraction for further refinement. How does the system
> > identify the classes, objects and relations I dont understand, do they
> > have to be in RDF? Or how does it do it? (haven't read the
> > documentation)
>
> MW: What I have seen is a kind of NLP parsing, so nouns are classes,
> proper names are individuals, spotting patterns for names of people,
> addresses, and company names, dates, and then understanding the patterns
> around certain key words, so when you see something like:
> "Shell bought XYZ co from ABC Corp on July 17th 2006"
> it can create the appropriate records of the activity, when it happened
> and who the parties were involved.
>
> Regards
>
> Matthew West
> Reference Data Architecture and Standards Manager
> Shell International Petroleum Company Limited
> Registered in England and Wales
> Registered number: 621148
> Registered office: Shell Centre, London SE1 7NA, United Kingdom
>
> Tel: +44 20 7934 4490 Mobile: +44 7796 336538
> Email: matthew.west@xxxxxxxxx
> http://www.shell.com
> http://www.matthew-west.org.uk/
>
> >
> >
> > Paola Di Maio
> >
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> (03)
--
Paola Di Maio
School of IT
www.mfu.ac.th
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