Paolo, It's very intriguing that you bring up the issue of the definition of "semantic search". There is a lot of hype on the academic as well as marketing side about the "semantic search".
I do not have the answer, just sharing my opinion about significance of the definition. Thanks, Milorad >________________________________ > From: Paolo Castagna <castagna.li...@googlemail.com> >To: jena-users@incubator.apache.org >Sent: Thursday, April 5, 2012 9:35 PM >Subject: Re: Mapping Ontologies > >Rodrigo Jardim wrote: >> Hi Paolo, >> Yes my ontologies are OWL ontologies. I've another doubt refer to >> perform semantic search into these two ontologies (A and B), where each >> ontology(A and B) have different vocabulary and > >Well... what's your definition of "semantic search"? > >If you ask different people they would give you different definitions. >Some would also claim they do "semantic search" without the need of >using OWL ontologies. > >Wikipedia says: > >""" >Semantic search seeks to improve search accuracy by understanding searcher >intent and the contextual meaning of terms as they appear in the searchable >dataspace, whether on the Web or within a closed system, to generate more >relevant results. Author Seth Grimes lists "11 approaches that join semantics >to search",[1] and Hildebrand et al.[2] provide an overview that lists semantic >search systems and identifies other uses of semantics in the search process. >Semantic Search systems consider various points including context of search, >location, intent, variation of words, synonyms, generalized and specialized >queries, concept matching and natural language queries to provide relevant >search results.[3] >""" > >References are interesting, worth reading. > >> I need to perform reasoning. > >You might find these useful (have you read them already?): >http://incubator.apache.org/jena/documentation/inference/ >http://incubator.apache.org/jena/documentation/ontology/ > >> I think that I need create an intermediate ontology, where ontologyA + >> ontologyB = ontologyC, and I will store ontologyC into TDB store. >> Later I will do searches over ontologyC. > >You did not tell us if this is a University assignment or not. ;-) > >Paolo > >> >> >> Thanks Paolo . >> >> -- >> Rodrigo >> >> Em 05/04/2012 15:17, Paolo Castagna escreveu: >>> Hi Rodrigo >>> >>> Rodrigo Jardim wrote: >>>> Hello, >>>> I have two ontologies (A and B), and I'd like to do a mapping them. So, >>>> it's possible store two ontologies into TDB Store ? >>> If your ontologies are OWL ontologies (which at the end of the day are >>> RDF), you can store them in TDB and if you prefer you can keep them >>> separate in two named graphs. >>> >>> Documentation is here: >>> http://incubator.apache.org/jena/documentation/tdb/datasets.html >>> http://www.w3.org/TR/sparql11-query/#specifyingDataset >>> >>>> I've studied Ontologies Matching, but I'd like know opinions experts >>>> about how to resolve this problem. >>> Your seems an interesting problem, is this a University assignment or >>> you need this for a specific/real use case? >>> How big are the ontologies you are trying to match? >>> How will you evaluate how good is your matching solution? >>> >>> I am not an expert on this, just curious. :-) >>> >>> Thanks, >>> Paolo >>> >>>> Thanks >>>> >>>> -- >>>> Rodrigo >>>> >> > > > >
