- From: Kingsley Idehen <kidehen@openlinksw.com>
- Date: Wed, 08 Dec 2010 10:08:15 -0500
- To: Martijn van der Plaat <martijn@profec.nl>
- CC: Semantic Web <semantic-web@w3.org>, public-lod@w3.org
On 12/8/10 8:47 AM, Martijn van der Plaat wrote: > Ok, > Thank you Kingsley. As test I searched for a property to describe > valuta (USD, Euro); > > select ?s1p as ?c1 count (*) as ?c2 where { ?s1 ?s1textp ?o1 . > ?o1 bif:contains '"Valuta"' .?s1 a > <http://www.w3.org/2000/01/rdf-schema#Property> . ?s1 ?s1p ?s1o . } > group by ?s1p order by desc 2 limit 20 offset 0 > > Zero results unfortunately ;) But this says more about this particular > property than this great service ? > > Greets, > Martijn Martijn, Links: 1. http://lod.openlinksw.com/fct/facet.vsp?cmd=load&fsq_id=191142 -- page awaiting further disambiguation by use re. entities associated with pattern: valuta, presented by rdf:type 2. http://lod.openlinksw.com/c/CPJ2LNW -- SPARQL query results URL for page above 3. http://lod.openlinksw.com/fct/facet.vsp?cmd=load&fsq_id=191143 -- variant of the above organized by associated properties (i.e. beyond rdf:type) 4. http://lod.openlinksw.com/c/CQ7OAKA -- SPARQL query results URL for page above Kingsley > 2010/12/8 Kingsley Idehen<kidehen@openlinksw.com>: >> On 12/8/10 5:52 AM, Martijn van der Plaat wrote: >>> Thank you all for the detailed comments, but in my initial message I >>> didn't mean a "formal list" from an organization like the W3C or other >>> standardization bodies as some of you mentioned. I was just looking >>> for an indexing service (API) where I can find properties and classes >>> based on popularity with conservation of the decentralized approach of >>> the Web. A concept is not popular due to standardization or applicable >>> in every language and every domain perspective, but is popular because >>> it simply works or because the popularity is caused by powerful >>> organizations like Facebook,Google,etc who accepted these >>> vocabularies/ontologies in their system. >>> >>> I think the API I talk about should be included into eg. ontology >>> editors. I can imagine a simple string search possibility to find a >>> popular ontology/property/class and easily reuse it into your own >>> dataset? >> Here is one place to lookup Classes or Properties, with results that include >> Entity Ranking. >> >> 1. http://lod.openlinksw.com -- which also has a SPARQL endpoint so you can >> use bif:contains as part of query pattern >> 2. http://lod.openlinksw.com/fct/facet.vsp?cmd=load&fsq_id=191140 -- Classes >> associated with pattern: "Person" >> 3. http://lod.openlinksw.com/fct/facet.vsp?cmd=load&fsq_id=191141 -- Classes >> associated with pattern: "Music" >> 4. >> http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtuosoFacetsWebService >> - DBMS hosted Faceted Browser Service APIs . >> >> >> Kingsley >>> Cheers, >>> Martijn >>> >>> >>> 2010/12/8 Martin Hepp<martin.hepp@ebusiness-unibw.org>: >>>> In general, I think that the Semantic Web must use a decentralized >>>> approach >>>> for the definition and adoption of conceptual elements, same as the Web >>>> uses >>>> decentralized, fault-tolerant approaches as a fundamental principle. So >>>> calling for standardization bodies to maintain "authoritative" >>>> vocabularies >>>> will not work at Web Scale, IMO. At least, standards bodies may be to >>>> slow >>>> to provide ontologies and ontology updates (INCOTERMS, for instance, >>>> updates >>>> it's definition of trade terms only once per decade) >>>> >>>> A few related papers: >>>> >>>> 1. Possible Ontologies: How Reality Constrains the Development of >>>> Relevant >>>> Ontologies, in: IEEE Internet Computing, Vol. 11, No. 1, pp. 90-96, >>>> Jan-Feb >>>> 2007 >>>> PDF: >>>> http://www.heppnetz.de/files/IEEE-IC-PossibleOntologies-published.pdf >>>> >>>> 2. E-Business Vocabularies as a Moving Target: Quantifying the Conceptual >>>> Dynamics in Domains, Proceedings of the 16th International Conference on >>>> Knowledge Engineering and Knowledge Management (EKAW2008), September 29 - >>>> October 3, 2008 (forthcoming), Acitrezza, Italy, Springer LNCS, Vol. >>>> 5268, >>>> pp. 388-403. >>>> PDF: >>>> http://www.heppnetz.de/files/ConceptualDynamics-EKAW2008-CRC-final6.pdf >>>> >>>> Best >>>> Martin >>>> >>>> >>> >> >> -- >> >> Regards, >> >> Kingsley Idehen >> President& CEO >> OpenLink Software >> Web: http://www.openlinksw.com >> Weblog: http://www.openlinksw.com/blog/~kidehen >> Twitter/Identi.ca: kidehen >> >> >> >> >> >> -- Regards, Kingsley Idehen President& CEO OpenLink Software Web: http://www.openlinksw.com Weblog: http://www.openlinksw.com/blog/~kidehen Twitter/Identi.ca: kidehen
Received on Wednesday, 8 December 2010 15:10:32 UTC