- Galaxy: Encouraging data sharing among sources with schema variants
... Mork, P; Seligman, L; Morse, M.;Rosenthal, A;
Author:
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Rosenthal, A.
Wolf, C.
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Publication - cat - 04/17/2013 - 12:38 - 0 comments - 1 attachment
- (Not) yet another matcher
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Discovering correspondences between schema elements is a crucial task for data integration. Most schema matching tools are ... results often decrease when one requires to integrate a new similarity measure or when matching particular domain schemas. This paper ...
Publication - cat - 04/17/2013 - 07:38 - 0 comments - 1 attachment
- An Extendable Meta-learning Algorithm for Ontology Mapping
... 1 - 9
In this paper, we describe a machine learning approach to ontology mapping. Although Machine learning ... weights and thresholds of the learning systems has been a serious bottleneck. By recasting the mapping problem to a classification ...
Publication - cat - 04/17/2013 - 05:38 - 0 comments - 0 attachments
- Evaluation of Similarity Measures for Ontology Mapping
... similarities that have been used in previous systems. As a result, we extracted twenty-two effective similarity measures for identifying ...
Publication - cat - 04/16/2013 - 10:05 - 0 comments - 0 attachments
- Toward Formal Semantics for Data and Schema Evolution in Data Stream Management Systems
... result streams to standing queries, and often operate in a context where any interruption can lead to data loss. Support for schema ... and Alter Data (data evolution). We characterize how a subset of commonly used query operators in a DSMS act on and propagate these ...
Publication - cat - 04/16/2013 - 08:27 - 0 comments - 0 attachments
- Rule-based Management of Schema Changes at ETL sources
... Papastefanatos, G.; Vassiliadis, P.; Simitsis, A.; Sellis, T.; Vassiliou, Y.
Author: ... P
Simitsis, A
Sellis, T
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Publication - gpapas - 04/16/2013 - 04:27 - 0 comments - 1 attachment
- Efficient Management of Biomedical Ontology Versions
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Kirsten, T; Hartung, M; Gross, A; Rahm, E
Author:
... M
Gross, A
Rahm, E
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Publication - hartung - 04/16/2013 - 00:38 - 0 comments - 0 attachments
- An evolution-based approach for assessing ontology mappings - A case study in the life sciences
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Thor, A; Hartung, M; Gross, A; Kirsten, T; Rahm, E
Author:
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Publication - hartung - 04/16/2013 - 00:16 - 0 comments - 1 attachment
- Management of Evolving Semantic Grid Metadata Within a Collaborative Platform
... computing resources and data storage, usually show a high degree of heterogeneity and change in their metadata. We propose a platform for collaborative management and maintenance of common metadata for ...
Publication - hartung - 04/16/2013 - 00:05 - 0 comments - 0 attachments
- Estimating the Quality of Ontology-Based Annotations by Considering Evolutionary Changes
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Gross, A; Hartung, M; Kirsten, T; Rahm, E
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Gross, A
Hartung, M
... To study the quality of annotations we propose a generic evaluation approach considering the annotation generation methods ...
Publication - hartung - 04/15/2013 - 23:38 - 0 comments - 0 attachments
- Simplifying Information Integration: Object-Based Flow-of-Mappings Framework for Integration
... execution of schema mappings. We now use Clio as part of a broader data-flow framework in which mappings are just one component. These ... we describe how we use Unified Famous Objects (UFOs), a schema abstraction similar to business objects, as our data model, how we ...
Publication - cat - 04/15/2013 - 22:49 - 0 comments - 0 attachments