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Conference Papers Year : 2018

Time-Bounded Query Generator for Constraint Acquisition


QUACQ is a constraint acquisition algorithm that assists a non-expert user to model her problem as a constraint network. QUACQ generates queries as examples to be classified as positive or negative. One of the drawbacks of QUACQ is that generating queries can be time-consuming. In this paper we present TQ-GEN, a time-bounded query generator. TQ-GEN is able to generate a query in a bounded amount of time. We rewrite QUACQ to incorporate the TQ-GEN generator. This leads to a new algorithm called T-QUACQ. We propose several strategies to make T-QUACQ efficient. Our experimental analysis shows that thanks to the use of TQ-GEN, T-QUACQ dramatically improves the basic QUACQ in terms of time consumption, and sometimes also in terms of number of queries.
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lirmm-01897928 , version 1 (18-10-2018)



Hajar Ait Addi, Christian Bessiere, Redouane Ezzahir, Nadjib Lazaar. Time-Bounded Query Generator for Constraint Acquisition. CPAIOR: Integration of Constraint Programming, Artificial Intelligence, and Operations Research, Jun 2018, Delft, Netherlands. pp.1-17, ⟨10.1007/978-3-319-93031-2_1⟩. ⟨lirmm-01897928⟩
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