IR-1263: (2021) Ai, Q., Bi, K. and Croft, W. B. , "Asking Clarifying Questions Based on Negative Feedback in Conversational Search," in the Proceedings of the 7th ACM International Conference on the Theory of Information Retrieval (ICTIR 2021), Virtual Event, Canada. July 11, 2021, pp. 157-166. [View Abstract] [View bibtex]
IR-1234: (2020) Guo, J., Fan, Y., Pang, L., Yang, L., Ai, Q., Zamani, H., Wu, C., Croft, W. B. and Cheng, X., "A Deep Look into Neural Ranking Models for Information Retrieval," Information Processing and Management, 2020, vol. 57, no. 6. [View Abstract] [View bibtex]
IR-1229: (2020) Bi, K., Ai, Q. and Croft, W. B. , "Learning a Fine-Grained Review-based Transformer Model for Personalized Product Search," in Proceedings of the International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2021), Virtual Event, Canada. July 11-15, 2021, pp. 123–132. [View Abstract] [View bibtex]
IR-1226: (2020) Bi, K., Ai, Q. and Croft, W. B. , "A Transformer-based Embedding Model for Personalized Product Search," in the Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR ’20), July 25–30, 2020, Virtual Event, China, pp. 1521–1524. [View Abstract] [View bibtex]
IR-1198: (2019) Bi, K., Ai, Q. and Croft, W. B. , "Revisiting Iterative Relevance Feedback for Document and Passage Retrieval," presented at SIGIR Workshop on Conversational Interaction Systems (WCIS'19), 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval July 21-25, 2019. [View Abstract] [View bibtex]
IR-1194: (2019) Ai, Q., "Neural Generative Models and Representation Learning for Information Retrieval," Ph.D. Thesis, University of Massachusetts Amherst, September 2019. [View Abstract] [View bibtex]
IR-1171: (2019) Bi, K., Ai, Q., Zhang, Y. and Croft, W. B. , "Conversational Product Search Based on Negative Feedback," in the Proceedings of the 28th ACM International Conference on Information and Knowledge Management (CIKM 2019), Beijing, China, November 03-07, 2019, pp. 359-368. [View Abstract] [View bibtex]
IR-1133: (2018) Zhang, Y., Chen, X., Yang, L., Ai, Q. and Croft, W. B. , "Towards Conversational Search and Recommendation: System Ask, User Respond," in the Proceedings of the 27th ACM International Conference on Information and Knowledge Management (CIKM '18), Lingotto, Turin, Italy, October 22-26, 2018, pp. 177 - 186. [View Abstract] [View bibtex]
IR-1128: (2018) Ai, Q., Zhang, Y., Bi, K. and Croft, W. B. , "Explainable Product Search with a Dynamic Relation Embedding Model," in ACM Transactions on Information Systems (TOIS), vol. 38, num. 1, October, 2019, pp. 4:1-4:29. [View Abstract] [View bibtex]
IR-1127: (2018) Ai, Q., Bi, K., Luo, C., Guo, J. and Croft, W. B. , "Unbiased Learning to Rank with Unbiased Propensity Estimation," in the Proceedings of the 41st International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR '18), Ann Arbor Michigan, U.S.A. July 8-12, 2018, pp. 385-394. [View Abstract] [View bibtex]
IR-1125: (2018) Bi, K., Ai, Q. and Croft, W. B. , "Iterative Relevance Feedback for Answer Passage Retrieval with Passage-level Semantic Match," in the Proceedings of the European Conference on Information Retrieval (ECIR 19), Cologne, Germany, April 14-18, 2019, pp. 558-572. [View Abstract] [View bibtex]
IR-1121: (2018) Ai, Q., OConnor, B. and Croft, W. B. , "A Neural Passage Model for Ad-hoc Document Retrieval," European Conference on Information Retrieval (ECIR 18), Grenoble, France, March 26-29, 2018, pp. 537-543. [View Abstract] [View bibtex]
IR-1118: (2017) Ai, Q., Zamani, H., Harding, S., Naseri, S., Allan, J. and Croft, W. B. , "UMass at TREC 2017 Common Core Track," the Notebook Proceedings of Text REtrieval Conference (TREC '17), November 15-17, 2017. [View Abstract] [View bibtex]
IR-1094: (2017) Chen, X., Zhang, Y., Ai, Q., Xu, H., Yan, J. and Qin, Z., "Personalized Key Frame Recommendation," in the Proceedings of the 40th International ACM SIGIR conference on Research and Development in Information Retrieval (SIGIR 17), Tokyo, Japan, August 2017, pp. 315-324. [View Abstract] [View bibtex]
IR-1093: (2017) Zhang, Y., Ai, Q., Chen, X. and Croft, W. B. , "Joint Representation Learning for Top-N Recommendation with Heterogenous Information Sources," in the Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, Singapore, November 06-10, 2017, pp. 1449-1458. [View Abstract] [View bibtex]
IR-1091: (2017) Ai, Q., Zhang, Y., Bi, K., Croft, W. B. and Chen, X., "Learning a Hierarchical Embedding Model for Personalized Product Search," in the Proceedings of the 40th International ACM SIGIR conference on Research and Development in Information Retrieval (SIGIR 17), Shinjuku, Tokyo, Japan, August 2017, pp. 645-654. [View Abstract] [View bibtex]
IR-1089: (2017) Ai, Q., Bi, K., Guo, J. and Croft, W. B. , "Learning a Deep Listwise Context Model for Ranking Refinement," in the Proceedings of the 41st International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR '18), Ann Arbor Michigan, U.S.A. July 8-12, 2018, pp. 135-144. [View Abstract] [View bibtex]
IR-1079: (2016) Guo, J., Ai, Q., Fan, Y. and Croft, W. B. , "Semantic Matching by Non-Linear Word Transportation for Information Retrieval," in the Proceedings of the 25th ACM International Conference on Conference on Information and Knowledge Management, October 24-28, 2016, Indianapolis, IN, pp. 701-710. [View Abstract] [View bibtex]
IR-1078: (2016) Guo, J., Fan, Y., Ai, Q. and Croft, W. B. , "A Deep Relevance Matching Model for Ad-hoc Retrieval," in the Proceedings of the 25rd ACM International Conference on Conference on Information and Knowledge Management, October 24-28, 2016, Indianapolis, IN, pp. 55-64. [View Abstract] [View bibtex]
IR-1073: (2016) Ai, Q., Yang, L., Guo, J. and Croft, W. B. , "Analysis of the Paragraph Vector Model for Information Retrieval," Proceedings of the 2nd ACM International Conference on the Theory of Information Retrieval (ICTIR 16), Newark, DE, USA, September 12-16, 2016, pp. 133-142. [View Abstract] [View bibtex]
IR-1071: (2016) Yang, L., Ai, Q., Guo, J. and Croft, W. B. , "aNMM: Ranking Short Answer Texts with Attention-Based Neural Matching Model," in the Proceedings of the ACM International Conference on Information and Knowledge Management (CIKM'16), Indianapolis, USA, October 24-28, 2016, pp. 287-292. [View Abstract] [View bibtex]
IR-1069: (2016) Cohen, D., Ai, Q. and Croft, W. B. , "Adaptability of Neural Networks on Varying Granularity IR Tasks," The International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR’16), NeuIR: Workshop on Neural Information Retrieval , Pisa, Italy, July 17-21, 2016. [View Abstract] [View bibtex]
IR-1058: (2016) Ai, Q., Yang, L., Guo, J. and Croft, W. B. , "Improving Language Estimation with the Paragraph Vector Model for Ad-hoc Retrieval," Proceedings of the 39th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 16), Pisa, Italy. pp. 869-872. [View Abstract] [View bibtex]
IR-1028: (2015) Yang, L., Ai, Q., Spina, D., Chen, R., Pang, L., Croft, W. B. , Guo, J. and Scholer, F., "Beyond Factoid QA: Effective Methods for Non-factoid Answer Sentence Retrieval," in The Proceedings of 38th European Conference on Information Retrieval (ECIR 2016), Padova, Italy, March 20-23, 2016, pp. 115-128. [View Abstract] [View bibtex]
IR-1025: (2015) Lee, C., Ai, Q., Croft, W. B. and Sheldon, D., "An Optimization Framework for Merging Multiple Result Lists," Proceedings of the 24th ACM International on Conference on Information and Knowledge Management, Melbourne, Australia, pp. 303-312. [View Abstract] [View bibtex]