Center for Intelligent Information Retrieval (CIIR) is a world leading research lab in information retrieval. CIIR's projects include many aspects of developing and evaluating search engines, question answering systems, and recommender systems. The current projects of the Center include but are not limited to neural information retrieval, conversational information seeking, controversy detection, and cross-lingual information retrieval. For more information, visit the Center's website at http://ciir.cs.umass.edu/