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QSQL2: Query language support for logic-based similarity conditions on probabilistic databases

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3 Author(s)
Lehrack, S. ; Inst. of Comput. Sci., Brandenburg Univ. of Technol. Cottbus, Cottbus, Germany ; Saretz, S. ; Schmitt, I.

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.

Published in:

Research Challenges in Information Science (RCIS), 2012 Sixth International Conference on

Date of Conference:

16-18 May 2012