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Schema Evolution
- Schema Evolution (11)
- Sch. Matching/Mapping (6)
- Model Management (2)
Paper type
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- Survey / Bibl. (3)
- Implementation (2)
- Theory (2)
... 11.7 KB A methodology for extracting an extended Entity-Relationship (EER) model from a relational database is presented. Through a combination of data schema and data instance analysis, an EER model is ...
Publication - cat - 04/17/2013 - 13:27 - 0 comments - 1 attachment
... Noy, Natalya Fridman; Musen, Mark A. Author: ... As ontology development becomes a more ubiquitous and collaborative process, developers face challenges in ...
Publication - cat - 04/17/2013 - 13:05 - 0 comments - 0 attachments
... sources. To be effective, such systemsmust provide a unified, queryable schema, and must be able to transform data from different ... to connect to several information sources makes them a natural base for doing more complex transformations as well. In this paper, ...
Publication - massmann - 04/17/2013 - 10:38 - 0 comments - 1 attachment
... to improve the matching effectiveness. This paper presents a dynamic multistrategy ontology alignment framework, named RiMOM. The key ... between ontologies may vary widely. We propose a systematic approach to quantitatively estimate the similarity characteristics ...
Publication - george - 04/17/2013 - 10:38 - 0 comments - 0 attachments
... for database applications. The paper presents a method for measuring modifications to database schemata and their consequences, by using a thesaurus tool. Measurements of the evolution of a large-scale database application currently running in several hospitals in ...
Publication - cat - 04/17/2013 - 10:27 - 0 comments - 0 attachments
... of both practitioners and researchers would be helped by a more objective and finer granularity recognition of types of software ... as actually done. To these ends, this paper proposes a clarifying redefinition of the types of software evolution and software ...
Publication - erhard - 04/17/2013 - 09:16 - 0 comments - 0 attachments
... 100 - 499 When a database is shared by many users, updates to the database schema are almost always prohibited because there is a risk of making existing application programs obsolete when they run against ...
Publication - cat - 04/17/2013 - 06:38 - 0 comments - 0 attachments
... Rundensteiner, Elke A.; Koeller, Andreas; Zhang, Xin ... E Koeller, A Zhang, X ...
Publication - cat - 04/17/2013 - 06:16 - 0 comments - 1 attachment
... they seldom support automatic propagation mechanisms. A proposal is described that enables Sherpa to fully support the propagation of ... It extends previous classification mechanisms with a dynamic capability which adequately supports evolving class definitions and ...
Publication - cat - 04/16/2013 - 18:49 - 0 comments - 1 attachment
... The inheritance mechanism allows for the definition of a subclass which inherits the features of a specific superclass. When adapting a workflow process definition to specific ...
Publication - cat - 04/16/2013 - 09:49 - 0 comments - 0 attachments
... Noy, N. Fridman; Klein, M. C. A. Author: ... As ontology development becomes a more ubiquitous and collaborative process, ontology versioning and ...
Publication - cat - 04/16/2013 - 04:49 - 0 comments - 0 attachments
... 499 Schema versioning is one of a number of related areas dealing with the same general problem - that of ... structure. Schema versioning and schema evolution offer a solution to the problem by enabling intelligent handling of any temporal ...
Publication - cat - 04/16/2013 - 04:49 - 0 comments - 0 attachments
... McBrien, P.; Poulovassilis, A. Author: ... Poulovassilis, A Year: ...
Publication - huliganka - 04/16/2013 - 00:49 - 0 comments - 0 attachments
... multiple copies of object descriptions have to coexist in a single database. A scheme is proposed that enables users to explicitly deal with these object ...
Publication - cat - 04/15/2013 - 22:49 - 0 comments - 0 attachments
... levels of abstraction and detail, to accommodate access to a specific group of collections. In any wider search accessing distributed ... as intended by their creators for indexing and querying a specific collection, in contrast to methods investigating the statistical ...
Publication - admin - 04/15/2013 - 21:38 - 0 comments - 0 attachments
... Doan, A Madhavan, J ... P Halevy, A Year: ...
Publication - admin - 04/15/2013 - 20:49 - 0 comments - 0 attachments