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https://dspace.univ-ouargla.dz/jspui/handle/123456789/2759
Title: | Supporting Failing Database Queries in a Flexible Context: A Data-Driven Approach |
Authors: | Lila Oudjoudi1 and Allel Hadjali2 |
Keywords: | Flexible queries empty answers semantic distance similarity measures relaxation |
Issue Date: | 19-Dec-2013 |
Abstract: | We investigate the problem of handling of failing queries involving fuzzy predicates. We propose an approach that leverages data distribution of the target database. It consists in two steps: i) Query translation that aims at translating the failing fuzzy query into a crisp query by means of a particular semantic distance between sets; ii) Query relaxation which consists in expanding the translated query criteria with similar values. To rank-order the approximate query results, a method is proposed |
Description: | 7 ieme Colloque sur l Optimisation et les Systèmes d’Information COSI 2010 18-20 Avril 2010 |
URI: | http://hdl.handle.net/123456789/2759 |
ISSN: | kh |
Appears in Collections: | 1. Faculté des mathématiques et des sciences de la matière |
Files in This Item:
File | Description | Size | Format | |
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Lila Oudjoudi.pdf | 148,31 kB | Adobe PDF | View/Open |
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