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Schema Evolution
- Schema Evolution (13)
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Search: a, Journal, 10 - 49
17 results
Results
- Managing Multiple Ontologies and Ontology Evolution in Ontologging.
... Maedche, A.; Motik, B.; Stojanovic, L.; Studer, R.; Volz, R. ... Maedche, A Motik, B ...
Publication - cat - 06/15/2023 - 14:51 - 0 comments - 0 attachments
- Evaluating the validity of data instances against ontology evolution over the Semantic Web
... an ontology, its data instances may become invalid, and as a result, may become non-interpretable. In this paper, we address precisely ... and demonstrate that it is sufficient to validate a data instance against the semantic view rather than the entire ontology. We ...
Publication - cat - 04/17/2013 - 13:27 - 0 comments - 0 attachments
- Wrapper-based evolution of legacy information systems
... severe heterogeneity problems. For instance, incorporating a new program in a legacy database application can create an integrity mismatch, since the ...
Publication - huliganka - 04/17/2013 - 12:05 - 0 comments - 1 attachment
- Database application evolution: a transformational approach
... to database schemas, to data and to programs through a general strategy. This strategy requires the documentation of database ... techniques. Our approach, called DB-MAIN, relies on a generic database model and on transformational paradigm that states that ... can be modeled by schema transformations. Indeed, a transformation provides both structural and instance mappings that formally ...
Publication - huliganka - 04/17/2013 - 11:38 - 0 comments - 1 attachment
- A visual tool for ontology alignment to enable geospatial interoperability
... integration relies on the alignment of the concepts of a global ontology that describe the domain, with the concepts of the ontologies ... ontology is established, agreements that encode a variety of mappings between concepts are derived. In this way, users can ...
Publication - cat - 04/17/2013 - 11:27 - 0 comments - 0 attachments
- Structural characterizations of schema-mapping languages
... 11.7 KB Information integration is a key challenge faced by all major organizations, business and governmental ... formalisms and are chosen with two criteria in mind: (a) expressive power sufficient to specify interesting data interoperability ...
Publication - cat - 04/17/2013 - 11:16 - 0 comments - 1 attachment
- Evolution of rule-based programs
... analysers, and program transformations. We provide a pragmatic, transformation-based approach for expressing and tracking changes ...
Publication - cat - 04/17/2013 - 10:27 - 0 comments - 0 attachments
- A formal model for temporal schema versioning in object-oriented databases
... 10 - 49 In this paper we present a formal model for the support of temporal schema versions in object-oriented databases. Its definition is partially based on a generic (ODMG compatible) object model and partially introduces new concepts. ...
Publication - fgrandi - 04/17/2013 - 08:49 - 0 comments - 0 attachments
- Managing source schema evolution in web warehouses
... Marotta, A; Motz, R; Ruggia, R Author: Marotta, A Motz, R ...
Publication - cat - 04/17/2013 - 05:27 - 0 comments - 0 attachments
- Rank Aggregation for Automatic Schema Matching
... Domshlak, C.; Gal, A.; Roitman, H. Author: ... C Gal, A Roitman, H ...
Publication - avigal - 04/17/2013 - 02:05 - 0 comments - 1 attachment
- GOMMA: A Component-based Infrastructure for managing and analyzing Life Science Ontologies and their Evolution
... Kirsten, T.; Gross, A.; Hartung, M.; Rahm, E. Author: ... E Gross, A Year: ...
Publication - hartung - 04/16/2013 - 23:05 - 0 comments - 0 attachments
- Online reorganization of databases
... management system sometimes needs reorganization, that is, a change in some aspect of the logical and/or physical arrangement of a database. In traditional practice, many types of reorganization have ...
Publication - cat - 04/16/2013 - 19:49 - 0 comments - 1 attachment
- MeDEA: A database evolution architecture with traceability.
... J Rubio, A Zapata, M ... work is the evolution of working database systems. As a step for the solution of this problem in this paper we propose MeDEA, which ...
Publication - jlloret - 04/16/2013 - 14:49 - 0 comments - 0 attachments
- Semantics of Database Transformations
... P Kosky, A Year: ... their strengths and weaknessesd develops requirements on a formal model for specifying and implementing database transformations. We ...
Publication - erhard - 04/16/2013 - 11:38 - 0 comments - 1 attachment
- Mapping the Gene Ontology into the Unified Medical Language System
... Lomax, J.; McCray, A.T. Author: ... J McCray, A Year: ...
Publication - hartung - 04/16/2013 - 09:05 - 0 comments - 0 attachments
- Policy-regulated Management of ETL Evolution
... Papastefanatos, G.; Vassiliadis, P.; Simitsis, A.; Vassiliou, Y. Author: ... P Simitsis, A Vassiliou, Y ...
Publication - gpapas - 04/16/2013 - 04:05 - 0 comments - 0 attachments
- OnEX: Exploring changes in life science ontologies
... Hartung, M; Kirsten, T; Gross, A; Rahm, E Author: ... T Gross, A Rahm, E ...
Publication - hartung - 04/15/2013 - 23:27 - 0 comments - 1 attachment