1. Diversifying search results
2. Mohammad Aliannejadi , Hamed Zamani , Fabio Crestani , and W. Bruce Croft . 2019. Asking Clarifying Questions in Open-Domain Information-Seeking Conversations . In Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval ( Paris, France) (SIGIR'19). Association for Computing Machinery, New York, NY, USA, 475--484. https://doi.org/10.1145/3331184.3331265 Mohammad Aliannejadi, Hamed Zamani, Fabio Crestani, and W. Bruce Croft. 2019. Asking Clarifying Questions in Open-Domain Information-Seeking Conversations. In Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval (Paris, France) (SIGIR'19). Association for Computing Machinery, New York, NY, USA, 475--484. https://doi.org/10.1145/3331184.3331265
3. Probabilistic models of information retrieval based on measuring the divergence from randomness
4. Modeling the impact of short- and long-term behavior on search personalization
5. Learning to rank using gradient descent