... Algergawy, A Saake, G ... ... 10 - 49 Schema matching is a critical step for discovering semantic correspondences among elements in many ...
Publication - alsayed - 07/28/2016 - 08:29 - 0 comments - 0 attachments
... Bhattacharjee, A; Jamil, H Author: Bhattacharjee, A Jamil, H ...
Publication - cat - 07/28/2016 - 08:29 - 0 comments - 1 attachment
... 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
... 234.28 KB A schema mapping is a declarative specification of the relationship between instances of a source schema and a target schema. The data exchange (or data translation) ...
Publication - hartung - 04/17/2013 - 12:16 - 0 comments - 1 attachment
... between similar elements of different ontologies. It is a key challenge to achieve semantic interoperability in building the Semantic Web. This paper proposes a new generic and adaptive ontology mapping approach, called the PRIOR+, based ...
Publication - cat - 04/17/2013 - 11:05 - 0 comments - 0 attachments
... 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
... 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
... 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
... 297.59 KB In this paper, we present YAM, a schema matcher factory. YAM (Yet Another Matcher) is not (yet) another schema matching system as it enables the generation of a la carte schema matchers according to user requirements. These requirements ...
Publication - cat - 04/17/2013 - 07:16 - 0 comments - 1 attachment
... Nandi, A; Bernstein, P Author: Nandi, A Bernstein, P ...
Publication - hartung - 04/17/2013 - 07:16 - 0 comments - 1 attachment
... about data exchange. These study how to generate a solution -- i.e., a target instance -- given a set of mappings usually specified as tuple generating dependencies. However, ...
Publication - salva - 04/17/2013 - 06:05 - 0 comments - 0 attachments
... 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
... 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
... and composability of our approach we implemented a data translation tool and mapping export for several data manipulation ...
Publication - dk - 04/16/2013 - 22:27 - 0 comments - 0 attachments
... 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
... Guzman-Arenas, A; Cuevas, AD Author: Guzman-Arenas, A Cuevas, AD ...
Publication - cat - 04/16/2013 - 09:49 - 0 comments - 0 attachments
... 10 - 49 Ontology matching plays a key role for semantic interoperability. Many methods have been proposed for ... can significantly improve the matching accuracy (+8.0% better than the baseline methods). (Ontology Alignment) ...
Publication - cat - 04/16/2013 - 07:27 - 0 comments - 0 attachments
... 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
... Radwan, A; Popa, L; Stanoi, IR; Younis, A Author: ...
Publication - cat - 04/16/2013 - 04:16 - 0 comments - 1 attachment
... 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
... notably in data integration and data exchange. However, a concrete theory of schema mapping optimization including the formulation of ... of this work is to fill this gap. We start by presenting a system of rewrite rules to minimize sets of source-to-target tuple-generating ...
Publication - hartung - 04/16/2013 - 00:27 - 0 comments - 1 attachment
... Chen, K; Madhavan, J; Halevy, A Author: ... J Halevy, A Year: ...
Publication - cat - 04/16/2013 - 00:16 - 0 comments - 1 attachment
... correspondences between two ontologies, has played a key role in data exchange, data integration and metadata management. Among ... to find the matches between an ontology describing a local domain knowledge and another ontology covering the information over ...
Publication - hartung - 04/15/2013 - 23:49 - 0 comments - 1 attachment
... as one of the fundamental operators for the development of a general framework for metadata management. In fact, during the last years ... include features that are difficult to use in practice. A typical example is the use of disjunction in the conclusion of the mapping ...
Publication - hartung - 04/15/2013 - 23:38 - 0 comments - 1 attachment
... 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
