Schema Evolution publication categorizer

... the Web scale. Hence, the development of tools to assist in the ontology mapping process is crucial to the success of the Semantic ... find such mappings. Given two ontologies, for each concept in one ontology glue finds the most similar concept in the other ontology. We ...

Publication - admin - 04/17/2013 - 13:05 - 0 comments - 0 attachments

... Semantic mappings between data sources play a key role in several data sharing architectures. Mappings provide the relationships between data stored in different sources, and therefore enable answering queries that require ...

Publication - admin - 04/16/2013 - 17:49 - 0 comments - 1 attachment

... tools should be well suited for exchanging information in a semantically meaningful way. Unfortunately, they suffer from two ... easily extensible data management architecture in which any user can contribute new data, schema information, or even mappings ... paper considers the problem of schema mediation in a PDMS. Our first contribution is a flexible language for mediating between ...

Publication - admin - 04/16/2013 - 17:27 - 0 comments - 1 attachment

... matches. iMAP reformulates schema matching as a search in an often very large or infinite match space. To search effectively, it ...

Publication - admin - 04/16/2013 - 16:49 - 0 comments - 1 attachment

... sources through a single mediated schema. A key bottleneck in building such systems has been the laborious manual construction of semantic ... learner exploits a different type of information either in the source schemas or in their data. Once the learners have been trained, ...

Publication - admin - 04/16/2013 - 16:38 - 0 comments - 1 attachment

... has now become a prominent area of database research. In this article, we first review database applications that require semantic ... and identify open research issues. We will focus in particular on schema matching, a topic that has received much attention in ...

Publication - admin - 04/16/2013 - 15:38 - 0 comments - 1 attachment

... can be used to determine whether a mapping is adequate in a particular context. Finally, we consider an instance of our framework ...

Publication - admin - 04/16/2013 - 15:16 - 0 comments - 1 attachment

... is the problem of identifying corresponding elements in different schemas. Discovering these correspondences or matches is ... rather poorly due to the lack ofsufficient evidence in the schemas being matched. In this paper we show how a corpus of schemas and mappings can be used to ...

Publication - admin - 04/16/2013 - 13:38 - 0 comments - 1 attachment

... enterprise intranets) do not require full integration in order to provide useful services, motivating a pay-as-you-go approach to ... sources and the mediated schema. We describe experiments in multiple domains, including 50-800 data sources, and show that our system is ...

Publication - cat - 04/16/2013 - 11:27 - 0 comments - 0 attachments

... or within enterprises—has received much attention in the database and AI communities. The focus has been on building data ... a uniform query interface to the sources. A key bottleneck in building such systems has been the laborious manual construction of semantic ...

Publication - huliganka - 04/16/2013 - 05:27 - 0 comments - 0 attachments

... require that mappings be executable, expressed in SQL, XSLT, or other data transformation languages. In this paper, we develop a semantics for model-management operators that ...

Publication - admin - 04/16/2013 - 03:27 - 0 comments - 1 attachment

... the ability to search for and visualize schemas stored in a metadata repository. Users may search by keywords and by example -- using ... scoring metric. Schemr presents search results in a GUI that allows users to explore which elements match and how well they ...

Publication - cat - 04/16/2013 - 00:16 - 0 comments - 1 attachment

... Handbook on Ontologies in Information Systems URL:  ... interoperability. Examples of such applications arise in myriad do- mains, including e-commerce, knowledge management, e-learning, ...

Publication - admin - 04/15/2013 - 20:49 - 0 comments - 0 attachments