Enhanced Artificial Social Cockroaches (EASC) for Modern Information Retrieval

Hadj Ahmed Bouarara, Reda Mohamed Hamou and Amine Abdelmalek
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Hadj Ahmed Bouarara: GeCoDe Laboratory, Department of Computer Science, Tahar Moulay University of Saida Algeria, Saida, Algeria
Reda Mohamed Hamou: GeCoDe Laboratory, Department of Computer Science, Tahar Moulay University of Saida Algeria, Saida, Algeria
Amine Abdelmalek: GeCode Laboratory, Department of Computer Science, Tahar Moulay University of Saida Algeria, Saida, Algeria

International Journal of Cognitive Informatics and Natural Intelligence (IJCINI), 2016, vol. 10, issue 2, 65-94

Abstract: This article deals on an improved version of the recently developed Artificial Social Cockroaches (ASC) algorithm based on several modifications. The EASC has as input a set of artificial cockroaches and N selected shelters. It is based on a random displacement step and a set of operators (selection cockroaches, shelter attraction, congener's attraction, shelter permutation). Each cockroach must be hidden in the shelter where it feels safer (evaluation function). In the recent years with the coming of the world wide web, the amount of unstructured documents available in the digital society increases and becomes easily accessible, all this has led that satisfy the needs of users in terms of relevant information has become a substantial problem in the scientific community. The second component of the authors' study is to apply the algorithm (EASC) as an information retrieval system using multilingual pre-processing and thesaurus to solve the problems of multilingual query and searching with synonymy. The relevant documents will be rendered as a list of ranked and classified documents from the most relevant to the least relevant. Lastly the authors apply the benchmark Medline and a series of valuation measures (precision, recall, f-measure, entropy, error, accuracy, specificity, TCR, ROC) for the experimentation, also they have compared their results with the outcomes of set of existed systems (social worker bees, taboo search, genetic algorithm, simulating annealing, naïve method). The third component of the authors' system is the visualization step that ensures the presentation of the result in the form of a cobweb with some realism to be understandable by users.

Date: 2016
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