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Efficient query recommendations in the long tail via center-piece subgraphs. Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval.. 2012.
How random walks can help tourism. Proceedings of the 34th European conference on Advances in Information Retrieval.. 2012.
Making your interests follow you on twitter. Proceedings of the 21st ACM international conference on Information and knowledge management.. 2012.