Schema Evolution publication categorizer

... base for doing more complex transformations as well. In this paper, we look at database middleware systems as tranformation engines, ...

Publication - massmann - 04/17/2013 - 10:38 - 0 comments - 1 attachment

... data formats continues to be an important problem in modern information systems. Schema Matching, the process of matching ... tool developed at the IBM Almaden Research Center. In this demonstration we showcase Clio’s mapping engine that allows mapping ...

Publication - massmann - 04/17/2013 - 10:16 - 0 comments - 1 attachment

... Venue:  In Proceedings of VLDB, pages 598--609, 2002 ... Mapping and translating data stored in dierent formats continues to be an important problem in modern information ...

Publication - massmann - 04/17/2013 - 09:27 - 0 comments - 0 attachments

... 666.47 KB Many problems in information integration rely on specifications, called schema mappings, that ... for both relational and nested data are well-known. In this work, we present a new formalism for schema mapping that extends these existing formalisms in two significant ways. First, our nested mappings allow for nesting and ...

Publication - huliganka - 04/17/2013 - 00:05 - 0 comments - 1 attachment

... where data items originated, but also why they appear in the integration as they do and through what transformation they were derived. This problem is known as data provenance. In this work, we consider data provenance at the schema and mapping level. In ...

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

... 315.61 KB In dynamic environments like theWeb, data sources may change not only their ...

Publication - admin - 04/16/2013 - 17:38 - 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

... applications we must solve the data mapping problem in which a source (legacy) database is mapped into a different, but fixed, ... We describe the use of the value correspondence framework in Clio, a prototype tool for semi-automated schema mapping, and present an ...

Publication - massmann - 04/16/2013 - 10:49 - 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

... of heterogeneous data transformation and integration. In Clio, we have collected together a powerful set of data management techniques that have proven invaluable in tackling these difficult problems. In this paper, we present the underlying ...

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