.../methodology/approach This paper first uses the attention mechanism based graph convolutional network to embed a social network into the low-dimensional vector space, which could improve the efficiency of graph index construction. To add the unindexed queries into the graph index incrementally, this study...

... as a component in the design of a recommender system based on user profiling from Twitter user behaviors. Social implications The application of the proposed method in short-text social network can be massive and beyond the applications in tweets. Originality/value There are few works that have...

... subjectivity, various features are generated from user’s Web view and Twitter submission background with some different context factors. Twitter (www.twitter.com /) is the most popular micro-blogging service and plays an important role in social network. The service has rapidly gained worldwide popularity...