Copertina di Uncertainty in Web Data
Titolo del libro:

Uncertainty in Web Data

Fuzzy Knowledge and Ontology Evolution

Edizioni Accademiche Italiane (19.07.2018 )

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ISBN-13:

978-620-2-08594-6

ISBN-10:
6202085940
EAN:
9786202085946
Lingua del libro:
Risvolto di copertina:
Knowledge representation in very distributed environments, such as the Web, arise reliability and mutual consistency concerns. Starting from an exposition of current Web knowledge representation languages, this work propose solutions for various kinds of uncertainty in web data. A first kind of uncertainty arise from inherently vague knowledge. For this reason RDF and RDF Schema are extended with a fuzzy syntax and semantics, in the same way as fuzzy logic allows the representation of uncertain knowledge not expressible in first-order logic. The extension is then further generalized to arbitrary “annotations” on web data, where annotations are taken from any partially-ordered set. Another kind of uncertainty arise from contradicting information. Contradictions are harmful for traditional reasoners, as entailment is not usable in presence of inconsistency. Two of the possible solutions analyzed and extended are to restore consistency in the original knowledge base, and to use non-standard reasoning allowing to derive meaningful answers even with inconsistent inputs.
Casa editrice:
Edizioni Accademiche Italiane
Sito Web:
https://www.edizioni-ai.com/
Da (autore):
Mauro Mazzieri
Numero di pagine:
108
Pubblicato il:
19.07.2018
Giacenza di magazzino:
Disponibile
categoria:
Altro
Prezzo:
49,90 €
Parole chiave:
Web Data, Fuzzy Knowledge, Ontology Evolution

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