Hi Matthias, this is quite strange. To be honest, they are currently working on tuning Lupedia. I'm sure your mail could be useful them. I'm forwarding it to them.
BTW: and what about http://www.alchemyapi.com ? have you tried it? Davide On Tue, Feb 2, 2010 at 3:21 PM, Matthias Samwald <samw...@gmx.at> wrote: > Hi David, > > Thanks for the hint. I remember trying LUPedia a few months ago -- now it > has a defined API, which is a good addition. Unfortunately, the quality of > results could be improved quite a bit. > > Here is a scientific statement that I would like to see annotated: > "Albizia julibrissin has anxiolytic-like effects that are mediated by the > changes of the serotonergic nervous system, especially 5-HT1A receptors." > > LUPedia is unable to identify any entities in this string, although DBpedia > would contain them. > http://dbpedia.org/resource/Albizia_julibrissin > http://dbpedia.org/resource/Anxiolytic > http://dbpedia.org/page/5-HT1A_receptor > > et cetera. > > It seems to recognize person names, as for the string "Michael Jackson", the > following URIs are returned: > > # http://dbpedia.org/resource/Parademon > # http://dbpedia.org/resource/Michael_Jackson > > The first result is a bit puzzling (DBpedia tells me that 'In the DC > Universe, Parademons are monstrous shock troops of Apokolips used by > Darkseid to maintain the order of Apokolips.'). > > LUPedia does not seem to do any kind of stemming either, as submitting the > string "Michael Jacksons" reduces the list of extracted URIs to: > > # http://dbpedia.org/resource/Parademon > > LUPedia in its current form will not perform too well in practical settings. > > Cheers, > Matthias Samwald > > -------------------------------------------------- > From: "Davide Palmisano" <dav...@asemantics.com> > Sent: Tuesday, February 02, 2010 2:27 PM > To: "Matthias Samwald" <samw...@gmx.at> > Cc: <public-lod@w3.org> > Subject: Re: DBpedia-based entity recognition service / tool? > >> Hi Matthias, >> >> have you ever tried this http://lupedia.ontotext.com/ ? Perhaps it may >> help. >> >> cheers, >> >> Davide >> >> On Tue, Feb 2, 2010 at 1:26 PM, Matthias Samwald <samw...@gmx.at> wrote: >>> >>> Dear LOD community, >>> >>> I would be glad to hear your advice on how to best accomplish a simple >>> task: >>> extracting DBpedia entities (identified with DBpedia URIs) from a string >>> of >>> text. With good accuracy and recall, possibly with some options to >>> constraint the recognized entities to some subset of DBpedia, based on >>> categories. The tool or service should be performant enough to process >>> large >>> numbers of strings in a reasonable amount of time. >>> Given the prolific creation of tiny tools and services in this community >>> I >>> am puzzled about my inability to find anything that accomplishes this >>> task. >>> Could you point me to something like that? Are there tools/services for >>> Wikipedia that I could use? >>> Zemanta seems to be too much geared towards 'enhanced blogging', while >>> OpenCalais does not return Wikipedia/DBpedia identifiers. Please correct >>> me >>> if I am wrong. >>> >>> Cheers, >>> Matthias >>> >>> >