High-utility sequential pattern mining (HUSPM) has recently emerged as a focus of intense research interest. The main task HUSPM is to find all subsequences, within quantitative database, that have high utility with respect user-defined minimum threshold. However, it difficult specify the threshold, especially when database features, which are invisible in most cases, not understood. To handle ...

Personalized recommender systems are increasingly important as more content and services become available users struggle to identify what might interest them. Thanks the ability for providing rich information, knowledge graphs (KGs) being incorporated enhance recommendation performance interpretability. To effectively make use of graph, we propose a model in hyperbolic space, which facilitates ...

So-called spatial web queries retrieve content representing points of interest, such that the interest have descriptions are relevant to query keywords and located close a location. Two broad categories exist. The first encompasses single objects each satisfy arguments. Most proposals belong this category. second category, which paper's proposal belongs, support exploratory user behavior sets r...