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The cold start problem is a potentiel problem in Recommender Systems (RSs). It concerns the inability of the system to infer recommendaation for new users or new items about wich it has not enough iformation. Specifically, when an item is new, the system may fail to perform well due to the insufficiency of available information for this item. The most common solution addressed in the literature consists...
In this paper, we studied some methods used in community detection in social networks. In the context of social networks, a community is a set of entities with a lot of interactions among them and little interaction with other sets outside. There are approaches related to static social networks, and others which focus on the dynamic social networks whose structure (actors and links) evolves over time...
In today's competitive operating environment one of the chief factors in success of outsourcing is the suppliers. Hence, it becomes imperative for an organization to choose suppliers carefully who cater to its needs. In this paper, we have developed a hybrid approach dedicated to supplier selection problem; this approach combines the correlation coefficient and standard deviation (CCSD) method and...
The supplier selection problem is one of the strategic decisions that have a significant impact on the performance of the supply chain. In this study, supplier selection problem of a well-known refining company in Africa is investigated and an integrated ANP-PROMETHEE methodology is used to select the best supplier providing the most customer satisfaction for the criteria determined. After the main...
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