Probabilistic Databases (Synthesis Lectures on Data Management, 16, Band 16)
Language: English
Published by Morgan & Claypool Publishers, 2011
- Softcover
- Used

Condition: Used - Very good
£ 6.11
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180 Seiten; 9781608456802.3 Gewicht in Gramm: 500.
Seller Inventory # 956510
- Title
- Probabilistic Databases (Synthesis Lectures on Data Management, 16, Band 16)
- Author
- Suciu, Dan, Dan Olteanu Christoph Koch u. a.:
- Publisher
- Morgan & Claypool Publishers
- Publication year
- 2011
- Condition
- Gut
- Binding
- paperback
- Language
- English
- ISBN 10
- 1608456803
- ISBN 13
- 9781608456802
- Item weight
- 500 grams
- Seller catalogs
- Varia
This book presents the state of the art in representation formalisms and query processing techniques for probabilistic data. It starts by discussing the basic principles for representing large probabilistic databases, by decomposing them into tuple-independent tables, block-independent-disjoint tables, or U-databases. Then it discusses two classes of techniques for query evaluation on probabilistic databases. In extensional query evaluation, the entire probabilistic inference can be pushed into the database engine and, therefore, processed as effectively as the evaluation of standard SQL queries. The relational queries that can be evaluated this way are called safe queries. In intensional query evaluation, the probabilistic inference is performed over a propositional formula called lineage expression: every relational query can be evaluated this way, but the data complexity dramatically depends on the query being evaluated, and can be #P-hard. The book also discusses some advanced topics in probabilistic data management such as top-k query processing, sequential probabilistic databases, indexing and materialized views, and Monte Carlo databases.
"Synopsis" may belong to another edition of this title.
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