Knowledge Discovery from Log Data Analysis in a Multi-source Search System based on Deep Cleaning

dc.contributor.authorLebib, Fatma Zohra
dc.contributor.authorMellah, Hakima
dc.contributor.authorMeziane, Abdelkrim
dc.description.abstractIn a multi-source search system, understanding users’ interests and behaviour is essential to improve the search and adapt the results according to each user profile. The interesting information characterizing the users can be hidden in large log files, whereas it must be discovered, extracted and analyzed to build an accurate user profile. This paper presents an approach which analyzes the log data of a multi-source search system using the web usage mining techniques. The aim is to capture, model and analyze the behavioural patterns and profiles of users interacting with this system. The proposed approach consists of two major steps, the first step “pre-processing” eliminates the unwanted data from log files based on predefined cleaning rules, and the second step “processing” extracts useful data on user’s previous queries. In addition to the conventional cleaning process that removes irrelevant data from the log file, such as access of multimedia files, error codes and accesses of Web robots, deep cleaning is proposed, which analyzes the queries structure of different sources to further eliminate unwanted data. This allows to accelerate the processing phase. The generated data can be used for personalizing user-system interaction, information filtering and recommending appropriate sources for the needs of each user.fr_FR
dc.relation.ispartofRapports de recherche internes
dc.structureInteractions et routage dans les systèmes d'informationfr_FR
dc.subjectlog files analysisfr_FR
dc.subjectweb usage miningfr_FR
dc.subjectmulti-source search systemfr_FR
dc.subjectknowledge extractionfr_FR
dc.subjectinformation sourcefr_FR
dc.subjectuser profile.fr_FR
dc.titleKnowledge Discovery from Log Data Analysis in a Multi-source Search System based on Deep Cleaningfr_FR
dc.typeTechnical Report