Výsledky vyhledávání - "Certain query answering"

Existential active integrity constraints

Autor: Ester Zumpano, Irina Trubitsyna, Sergio Greco, Cristian Molinaro, Marco Calautti, Luciano Caroprese

Active integrity constraints (AICs) are a useful formalism to express integrity constraints and policies to restore consistency in databases violating them. However, AICs do not allow users to express different kinds of constraints commonly arising i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::023f0d3567c40b11bf9cfc671530e15a
https://www.sciencedirect.com/science/article/abs/pii/S0957417420309982

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Data Exchange from Relational Databases to RDF with Target Shape Schemas

Autor: Lozano Aparicio, Jose Martin

Publikováno v: Computer Science [cs]. Universite de Lille, Lille, FRA.; Universite de Lille, 2020. English
Computer Science [cs]. Universite de Lille, Lille, FRA.; Universite de Lille, 2020. English. ⟨NNT : ⟩

Resource Description Framework (RDF) is a graph data model which has recently found the use of publishing on the web data from relational databases. We investigate data exchange from relational databases to RDF graphs with target shapes schemas. Esse

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::d6d4dba24418f5ff024bcb1c476b4db9
https://tel.archives-ouvertes.fr/tel-03118044/file/thesis.pdf

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Certain Query Answering on Hyperstreams

Autor: Sakho, Momar

Publikováno v: Computational Complexity [cs.CC]. Université de Lille; Inria, 2020. English
Computational Complexity [cs.CC]. Université de Lille; Inria, 2020. English. ⟨NNT : ⟩

Hyperstreams are collections of streams with references. The hope is that structured data on a hyperstream can be monitored with lower latency than when communicated on a stream, since data on hyperstreams may be received in parallel rather than in a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::a212521ac459f9006cf566992fe2f0e0
https://tel.archives-ouvertes.fr/tel-03028074

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Graph Data Exchange with Target Constraints

Autor: Boneva, I., Angela Bonifati, Ciucanu, R.

Publikováno v: EDBT/ICDT Workshops-Querying Graph Structured Data (GraphQ)
EDBT/ICDT Workshops-Querying Graph Structured Data (GraphQ), Mar 2015, Bruxelles, Belgium. pp.171-176
Scopus-Elsevier

International audience; Data exchange is the problem of translating data structured under a source schema according to a target schema and a set of source-to-target constraints known as schema mappings. In this paper, we investigate the problem of da

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::d3ffbd1ffb636cb7fc415a9d31339264
https://inria.hal.science/hal-01095838/document

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Akademický článek

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