Schema Evolution publication categorizer

... it is rare that a schema mapping possesses an inverse. In this paper, we introduce and study the notion of a quasi-inverse of a ... negative results about the existence of quasi-inverses. In particular, we show that every LAV (local-as-view) schema mapping has a ...

Publication - huliganka - 04/17/2013 - 02:49 - 0 comments - 1 attachment

... information systems that is further exacerbated in web information systems, such as Wikipedia and public scientific databases: in these projects based on multiparty cooperation the frequency of database ...

Publication - krlis1337 - 04/17/2013 - 01:38 - 0 comments - 1 attachment

... schema matching has proven to be an important first step in developing mappings for data exchange, integration, restructuring and schema evolution. In this paper we investigate contextual schema matching, in which selection ...

Publication - huliganka - 04/17/2013 - 00:16 - 0 comments - 1 attachment

... support for programming schema mappings is still lacking. In particular, a tool for debugging schema mappings has not yet been developed. In this paper, we propose to build a debugger for understanding and exploring ...

Publication - huliganka - 04/16/2013 - 23:38 - 0 comments - 1 attachment

... matching, we must also compute indirect element matches. In this paper, we present a framework for generating direct as well as ...

Publication - huliganka - 04/16/2013 - 20:49 - 0 comments - 1 attachment

... 41.57 KB The difficulty inherent in schema matching has led to the development of several generic match ... aspects of the ontologies as they are represented in a generic meta-model. Lexical matching identifies concepts with similar ...

Publication - admin - 04/16/2013 - 15:27 - 0 comments - 1 attachment

... when given simple correspondences from table columns in a relational schema to datatype properties of classes in an on- tology. Although the algorithm presented is necessarily heuristic, ...

Publication - admin - 04/16/2013 - 14:05 - 0 comments - 1 attachment

... 202.75 KB . Much data is published on the Web in XML format satisfying schemas, and to make the Semantic Web a reality, such ... from XML schema attributes to datatype properties in the ontology. To accomplish this, we first offer a mapping formalism to ...

Publication - admin - 04/16/2013 - 13:49 - 0 comments - 1 attachment

... between them. This makes it hard to compare approaches. In this paper, we present a manifesto for research on model merging. We ...

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

... 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

... data integration, and other data management tasks. In many applications, mappings are given by embedded dependencies. In this paper, we study the issues involved in composing such mappings. Our ...

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

... Mapping composition is a fundamental operation in metadata driven applications. Given a mapping over schemas S1 and S2 and ...

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