Chali Y, Hasan SA. {On the Effectiveness of Using Sentence Compression Models for Query-Focused Multi-Document Summarization}, in Proceedings of the 24th International Conference on Computational Linguistics (COLING 2012).; 2012.

Chali Y, Hasan SA, Imam K. {Improving the Performance of the Reinforcement Learning Model for Answering Complex Questions}, in Proceedings of the 21st ACM Conference on Information and Knowledge Management (CIKM 2012).; 2012.

Chali Y, Hasan SA, Imam K. {Learning Good Decompositions of Complex Questions}, in Proceedings of the 17th International Conference on Applications of Natural Language Processing to Information Systems (NLDB 2012).; 2012.

Chali Y, Hasan SA. {Towards Automatic Topical Question Generation}, in Proceedings of the 24th International Conference on Computational Linguistics (COLING 2012).; 2012.

Chali Y, Hasan SA. {Query-focused Multi-document Summarization: Automatic Data Annotations and Supervised Learning Approaches}. Journal of Natural Language Engineering. 2012;18(1):109–145.

Chali Y, Hasan SA, Imam K. {An Aspect-driven Random Walk Model for Topic-Focused Multi-Document Summarization}, in Proceedings of the 7th Asian Information Retrieval Societies Conference (AIRS 2011).; 2011.

Chali Y, Hasan SA, Imam K. {A Reinforcement Learning Framework for Answering Complex Questions}, in Proceedings of the 16th International Conference on Intelligent User Interfaces.; 2011.

Chali Y, Hasan SA, Imam K. {Using Semantic Information to Answer Complex Questions}, in Proceedings of the 24th Canadian Conference on Artificial Intelligence (CAI 2011).; 2011.

Chali Y, Hasan SA, Joty SR. {Improving Graph-based Random Walks for Complex Question Answering Using Syntactic, Shallow Semantic and Extended String Subsequence Kernels}. Information Processing and Management (IPM), Special Issue on Question Answering. 2011;47(6):843–855.

Ali H, Chali Y, Hasan SA. {Automation of Question Generation from Sentences}, in Proceedings of QG2010: The Third Workshop on Question Generation. Pittsburgh, USA; 2010.

Chali Y, Hasan SA, Joty SR. {Supervised Approaches to Complex Question Answering}, in Proceedings of the Pacific Association for Computational Linguistics (PACLING 2009).; 2009.

Chali Y, Hasan SA, Joty SR. {Do Automatic Annotation Techniques Have Any Impact on Supervised Complex Question Answering?}, in Proceedings of the Joint conference of the 47th Annual Meeting of the Association for Computational Linguistics (ACL-IJCNLP 2009). Suntec, Singapore; 2009.

Chali Y, Hasan SA, Joty SR. {A SVM-Based Ensemble Approach to Multi-Document Summarization}, in Proceedings of the 22nd Canadian Conference on Artificial Intelligence (CAI 2009). Kelowna, Canada; 2009.

Chali Y, Joty SR, Hasan SA. {Complex Question Answering: Unsupervised Learning Approaches and Experiments}. Journal of Artificial Intelligence Research. 2009;35:1–47.