Schema Evolution publication categorizer

... 100 - 499 In this paper we describe a new approach to data integration which subsumes the ...

Publication - cat - 04/17/2013 - 07:16 - 0 comments - 0 attachments

... for ontology evolution becomes extremely important in distributed development and use of ontologies. Information about change can be represented in many different ways. We describe these different representations and ... integrates them. We show how different representations in the framework are related by describing some techniques and heuristics ...

Publication - cat - 04/16/2013 - 21:38 - 0 comments - 1 attachment

... 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

... are ample sources that provide structured information in the same domains (e.g., books and automobiles). Second, while sources ... demonstrate our approach over hundreds of real Web sources in four domains and the results show good accuracy. (Sigmod / VLDB, Web ...

Publication - admin - 04/16/2013 - 17:05 - 0 comments - 1 attachment

... KB We consider the problem of mapping data in peer-topeer data-sharing systems. Such systems often rely on the use of ... of corresponding values to search for data residing in different peers. In this paper, we address semantic and algorithmic issues ...

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

... previous solutions to the schema matching problem rely in some fashion upon identifying "similar" column names in the schemas to be matched, or by recognizing common domains in the data ...

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

... describing different domains. To enable interoperability in the Semantic Web, it will be necessary to break these ontologies down into ... that may be reused. Currently, three problems arise in that scenario. Firstly, it is difficult to locate ontologies to be reused, ...

Publication - cat - 04/16/2013 - 11:05 - 0 comments - 1 attachment

... to translate data from one representation to another. In dynamic environments like the Web, data sources may change not only ... query capabilities. Such changes must be reflected in the mappings. Mappings left inconsistent by a schema change have to be ...

Publication - cat - 04/16/2013 - 10:49 - 0 comments - 1 attachment

... empirical FEAST studies, which are candidate theorems in the proposed theory, are briefly outlined to demonstrate that the topic ... as well as theoretical significance. Rather than in depth discussion, this paper provides an introductory overview intended ...

Publication - erhard - 04/16/2013 - 10:38 - 0 comments - 1 attachment

... 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

... complete prototype of a generic modelmanagement system, in which high-level operators are used to manipulate models and mappings ...

Publication - cat - 04/16/2013 - 03:05 - 0 comments - 1 attachment

Authors:  Castano, S; Ferrara, A; Montanelli, S Author:  Castano, S ...

Publication - cat - 04/15/2013 - 23:38 - 0 comments - 1 attachment