Tipo
Artigos em Revista
Tipo de Documento
Artigo Completo
Título
Hypothetical Answers to Continuous Queries Over Data Streams
Participantes na publicação
Luís Cruz-Filipe (Author)
Graça Gaspar (Author)
Dep. Informática
Isabel Nunes (Author)
Dep. Informática
Resumo
Answers to continuous queries over data streams are often delayed until some relevant input arrives through the data stream. These delays may turn answers when they arrive, obsolete to users who sometimes have to make decisions with no help whatsoever. Therefore, it can be useful to provide hypothetical answers—“given the current information, it is possible that \\n will become true at time \\n”—instead of no information at all.\\nIn this work, we present a semantics for queries and corresponding answers that cover such hypothetical answers, together with an incremental online algorithm for updating the set of facts that are consistent with the currently available information. Our framework also works in a language supporting negation.
Data de Publicação
2024-10-29
Suporte
ACM Transactions on Computational Logic
Identificadores da Publicação
ISSN - 1529-3785
Editora
Association for Computing Machinery (ACM)
Número de Páginas
40
Página Inicial
1
Página Final
40
Identificadores do Documento
DOI -
https://doi.org/10.1145/3688845
URL -
https://doi.org/10.1145/3688845
Identificadores de Qualidade
SCOPUS Q2 (2023) - 2.3 - Logic
Web Of Science Q1 (2023) - 0.7 - LOGIC
SCIMAGO Q1 (2023) - 0.876 - Logic