recommender systems utilize information retrieval and machine learning techniques for filtering information and can predict whether a user would like an unseen item. user similarity measurement plays an important role in collaborative filtering based recommender systems. in order to improve accuracy of traditional user based collaborative filtering techniques under new user cold-start problem a...

in order to improve the level of intelligence, availability, being on demand, convenience, information and humanization of rural public transportation systems, they are more willing to use modern information and communicative technologies. in addition to management services, intelligent transportation systems can provide passengers, drivers, travel agencies and other institutions with other ser...

Transparency and security in an electoral process are fundamental to the legitimacy of results confidence voters. Thus, it is necessary assess opportunities improve traditional voting systems. Among main problems lack transparency, due impossibility a voter checking their vote access source from which obtained. Another problem mobility, performing remote voting, as systems continue require phys...