DocumentCode
2617966
Title
QSQL2: Query language support for logic-based similarity conditions on probabilistic databases
Author
Lehrack, Sebastian ; Saretz, Sascha ; Schmitt, Ingo
Author_Institution
Inst. of Comput. Sci., Brandenburg Univ. of Technol. Cottbus, Cottbus, Germany
fYear
2012
fDate
16-18 May 2012
Firstpage
1
Lastpage
12
Abstract
ProQua is a new probabilistic database system which combines information retrieval concepts with database technologies. In contrast to other state-of-the-art probabilistic database systems ProQua supports logic-based and weighted similarity conditions within its query language by a generic similarity operator. In this work we introduce the ProQua query language QSQL2 by presenting its syntax, semantics and query capabilities. Furthermore, we briefly discuss the main components of ProQua.
Keywords
probability; query languages; query processing; ProQua; QSQL2; generic similarity operator; information retrieval; logic-based weighted similarity conditions; probabilistic database system; query language semantics; query language syntax; Computational modeling; Data models; Database languages; Databases; Probabilistic logic; Semantics; Vectors;
fLanguage
English
Publisher
ieee
Conference_Titel
Research Challenges in Information Science (RCIS), 2012 Sixth International Conference on
Conference_Location
Valencia
ISSN
2151-1349
Print_ISBN
978-1-4577-1936-3
Electronic_ISBN
2151-1349
Type
conf
DOI
10.1109/RCIS.2012.6240438
Filename
6240438
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