Search: a, Schema Evolution, 2009, 10 - 49

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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

The PRISM Workwench: Database Schema Evolution Without Tears

... Curino, Carlo A.; Moon, Hyun J.; Ham, MyungWon; Zaniolo, Carlo ... DEMO PAPER: Information Systems are subject to a perpetual evolution, which is particularly pressing in Web Information ...

Publication - krlis1337 - 04/17/2013 - 11:05 - 0 comments - 0 attachments

Ontology and Schema Evolution in Data Integration: Review and Assessment

... the emergence of new high- throughput tools have led to a new information revolution. The amount and the diversity of the information ... databases and ontologies has been recognized as a cornerstone issue in bringing in legacy data with formal semantic meaning. ...

Publication - cat - 04/17/2013 - 09:49 - 0 comments - 0 attachments

PRIMA: Archiving and Querying Historical Data with Evolving Schemas

... Moon, Hyun J.; Curino, Carlo A.; MyungWon, Ham; Zaniolo, Carlo ... schema version in which they firstly appeared, leading to a perfect archival quality, but to a taxing query interface. The PRIMA ...

Publication - krlis1337 - 04/17/2013 - 07:27 - 0 comments - 0 attachments

Evolva: A Comprehensive Approach to Ontology Evolution

... We tackle the aforementioned issues by proposing Evolva, a comprehensive ontology evolution framework, which handles a complete ontology evolution cycle, and makes use of background knowledge for ...

Publication - cat - 04/17/2013 - 05:49 - 0 comments - 0 attachments

On Detecting High-Level Changes in RDF/S KBs

... ontology in order to store or visualize their deltas is a challenging task for e-science. In this paper, we focus on languages allowing ... can be effectively and efficiently detected. We propose a specific language that provably exhibits those characteristics and provide a ...

Publication - cat - 04/17/2013 - 05:49 - 0 comments - 1 attachment

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

Automating Database Schema Evolution in Information System Upgrades

... incessant problems in the life of information systems and a major stumbling block that prevent graceful upgrades. Furthermore, our ... and avoids down-time. Toward this goal, we have assembled a large testbed of schema evolution histories, and developed a language of ...

Publication - krlis1337 - 04/16/2013 - 05:16 - 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

Evolution of the Sequence Ontology terms and relationships

... The Sequence Ontology is an established ontology, with a large user community, for the purpose of genomic annotation. We are reforming ...

Publication - cat - 04/15/2013 - 21:05 - 0 comments - 0 attachments