Rodigro, are you trying to "union" two or more web knowledge databases representing parts of the same knowledge? I found this a thankless task.
Bernie On Thu, Apr 5, 2012 at 3:35 PM, Paolo Castagna < [email protected]> wrote: > 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 > >>> > > > >
