Please use this identifier to cite or link to this item:
https://dspace.univ-ouargla.dz/jspui/handle/123456789/13795
Title: | Supporting Failing Database Queries in a FlexibleContext: A Data-Driven Approach |
Authors: | Lila, Oudjoudi Allel, Hadjali |
Keywords: | Flexible queries empty answers semantic distance similarity measures relaxation |
Issue Date: | 27-Apr-2017 |
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: | Septième Colloque sur l’Optimisation et les Systèmes d’Information - COSI’2010 |
URI: | http://dspace.univ-ouargla.dz/jspui/handle/123456789/13795 |
Appears in Collections: | 2. Faculté des nouvelles technologies de l’information et de la communication |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
Lila Oudjoudi.pdf | 148,01 kB | Adobe PDF | View/Open |
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.