Mohammad Aliannejadi, Seyed Ali Bahrainian, Anastasia Giachanou, Fabio Crestani. University of Lugano at TREC 2015: Contextual Suggestion and Temporal Summarization Tracks. In Ellen M. Voorhees, Angela Ellis, editors, Proceedings of The Twenty-Fourth Text REtrieval Conference, TREC 2015, Gaithersburg, Maryland, USA, November 17-20, 2015. Volume Special Publication 500-319 of National Institute of Standards and Technology (NIST), 2015. [doi]