Schema Evolution publication categorizer

... conceptually integrated into a single cohesive data set. In recent years agents have been increasingly used in information systems to promote performance. In this work we propose a ...

Publication - avigal - 04/17/2013 - 02:27 - 0 comments - 1 attachment

... 180 KB In order to formulate a meaningful XML query, a user must have some knowledge ... assumed by the user, thus causing the query to fail. In this paper, we try to solve this query and data schema mismatching problem ...

Publication - huliganka - 04/16/2013 - 23:49 - 0 comments - 1 attachment

... between database schemas. Schema mappings are prominent in several different areas of database management, including database design, ... and peer-to-peer data management systems. Our main aim in this paper is to present an overview of recent advances in data exchange and ...

Publication - cat - 04/16/2013 - 21:27 - 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

... Schema matching is a basic problem nowadays in many application areas, such as data integration, data warehouse and e-business. In this paper, we propose a generic schema matching method called GSM ...

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

... A wide family of models is handled, by using a metamodel in which models can be succinctly and precisely described. The approach is ... schemas, and the rules used to implement translations. In this way, the transformations can be customized and the tool can be easily ...

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

... for expressing declarative schema mappings, has progressed in the past few years from a research prototype into a technology that is ... depending on the kind of schemas and systems involved in the mapping. Clio currently produces XQuery, XSLT, SQL, and SQL/XML queries. ...

Publication - admin - 04/16/2013 - 13:38 - 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

... 1.58 MB In this paper we describe a novel approach to the visualization of the mapping ...

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

... This paper discusses some results and challenges in generic model management based on a first published dissertation. ...

Publication - cat - 04/16/2013 - 12:38 - 0 comments - 1 attachment

... provide a widely accepted basis for significant advances in managing data structure. Topics include schema design, evolution, and ...

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

... Schemas evolve over time to accommodate the changes in the information they represent. Such evolution causes invalidation of ... depending on the schemas, such as schema mappings. In a heterogenous environment, where cooperation among data sources depends ...

Publication - cat - 04/16/2013 - 09:16 - 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