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Complexity of answering counting aggregate queries over DL - Lite

Abstract:

The ontology based data access model assumes that users access data by means of an ontology, which is often described in terms of description logics. As a consequence, languages for managing ontologies now need algorithms not only to decide standard reasoning problems, but also to answer database-like queries. However, fundamental database aggregate queries, such as the ones using functions COUNT and COUNT DISTINCT, have received very little attention in this context, and even defining approp...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1016/j.websem.2015.05.003

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Institution:
University of Oxford
Division:
MPLS
Department:
Computer Science
Role:
Author
Publisher:
Elsevier Publisher's website
Journal:
Journal of Web Semantics Journal website
Volume:
33
Pages:
94-111
Publication date:
2015-05-29
DOI:
EISSN:
1873-7749
ISSN:
1570-8268
Source identifiers:
550198
Keywords:
Pubs id:
pubs:550198
UUID:
uuid:1407507b-7a5d-46de-9237-f0b79cf11cf8
Local pid:
pubs:550198
Deposit date:
2015-12-21

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