Interests:
Personalization, data-driven predictive modeling, online learning, relevance feedback, recommender systems, and computational advertising.
Publications:
- A. Ashkan and D. Metzler, Revisiting Online Personal Search Metrics with the User in Mind,
In Proceedings of the 42nd ACM International Conference on Research and Development in Information Retrieval (SIGIR), pp.625-634, July 2019.
- S. Zong, B. Kveton, S. Berkovsky, A. Ashkan, Z. Wen, Get to the Bottom: Causal Analysis for User Modeling,
In Proceedings of the 25th Conference on User Modeling, Adaptation and Personalization (UMAP), pp. 256-264, July 2017.
- W. Trouleau, A. Ashkan, W. Ding, B. Eriksson, Just One More: Modeling Binge Watching Behavior,
In Proceedings of the 22nd ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD), pp. 1215-1224, August 2016.
- A. Ashkan, B. Kveton, S. Berkovsky, and Z. Wen, Optimal Greedy Diversity for Recommendation,
In Proceedings of the 24th International Joint Conference on Artificial Intelligence (IJCAI), pp. 1742-1748, July 2015.
- Z. Wen, B. Kveton, and A. Ashkan, Efficient Learning in Large-Scale Combinatorial Semi-Bandits,
In Proceedings of the 32nd International Conference on Machine Learning (ICML), pp. 767-776, July 2015.
- A. Ashkan and C. Clarke, Location- and Query- Aware Modeling of Browsing and Click Behavior in Sponsored Search,
ACM Transactions on Intelligent Systems and Technology (TIST), vol. 5, no. 4, 32 pages, December 2014.
- A. Ashkan, B. Kveton, S. Berkovsky, and Z. Wen, Diversified Utility Maximization for Recommendations,
ACM Conference on Recommender Systems (RecSys), Oct. 2014.
- B. Kveton, Z. Wen, A. Ashkan, H. Eydgahi, and B. Eriksson, Matroid Bandits: Fast Combinatorial Optimization with Learning,
In Proceedings of the 30th Conference on Uncertainty in Artificial Intelligence (UAI), July 2014.
- B. Kveton, Z. Wen, A. Ashkan, and H. Eydgahi, Matroid Bandits: Practical Large-Scale Combinatorial Bandits,
In Proceedings of the AAAI Workshop on Sequential Decision Making with Big Data , July 2014.
- A. Ashkan and C. Clarke, Impact of Query Intent and Search Context on Clickthrough Behavior in Sponsored Search,
Knowledge and Information Systems Journal, vol. 34, pp. 425-452, February 2013.
- A. Ashkan and C. Clarke, Modeling Browsing Behavior for Click Analysis in Sponsored Search,
In Proceedings of the 21st ACM International Conference on Information and Knowledge Management (CIKM),
pp. 2015-2019, November 2012.
- A. Ashkan, J. Whissell, and C. Clarke, Unsupervised Learning of Result Page Context for Clickthrough Analysis in Sponsored Search,
In Proceedings of the 5th Annual International Workshop on Data Mining and Audience Intelligence for Advertising (ADKDD), pp. 44-52, August 2011.
- A. Ashkan and C. Clarke, On the Informativeness of Cascade and Intent-Aware Effectiveness Measures,
In Proceedings of the 20th International World Wide Web Conference (WWW), pp. 407-416, March 2011.
- C. Clarke, N. Craswell, I. Soboroff, and A. Ashkan, A Comparative Analysis of Cascade Measures for Novelty and Diversity,
In Proceedings of the 4th ACM International Conference on Web Search and Data Mining (WSDM), pp. 75-84, February 2011.
- A. Ashkan and C. Clarke, Characterizing Commercial Intent,
In Proceedings of the 18th ACM International Conference on Information and Knowledge Management (CIKM), pp. 67-76, November 2009.
- J. Whissell, C. Clarke, and A. Ashkan, Clustering Web Queries,
In Proceedings of the 18th ACM International Conference on Information and Knowledge Management (CIKM), pp. 899-908, November 2009.
- A. Ashkan, C. Clarke, E. Agichtein, and Q. Guo, Estimating Ad Clickthrough Rate through Query Intent Analysis,
In Proceedings of the 2009 IEEE/WIC/ACM International Conference on Web Intelligence (WI), pp. 222-229, September 2009.
- Q. Guo, E. Agichtein, C. Clarke, and A. Ashkan, In the Mood to Click? Towards Inferring Receptiveness to Search Advertising,
In Proceedings of the 2009 IEEE/WIC/ACM International Conference on Web Intelligence (WI), pp. 319-324, September 2009.
- A. Ashkan and C. Clarke, Term-Based Commercial Intent Analysis,
In Proceedings of the 32nd ACM International Conference on Research and Development in Information Retrieval (SIGIR), pp. 800-801, July 2009.
- A. Ashkan, C. Clarke, E. Agichtein, and Q. Guo, Classifying and Characterizing Query Intent,
In Proceedings of the 31st European Conference on Information Retrieval (ECIR), pp. 578-586, April 2009.
- C. Clarke, M. Kolla, G. Cormack, O. Vechtomova, A. Ashkan, S. Büttcher, and I. MacKinnon, Novelty and Diversity in Information Retrieval Evaluation,
In Proceedings of the 31st ACM International Conference on Research and Development in Information Retrieval (SIGIR), pp. 659-666, July 2008.
- A. Ashkan, C. Clarke, E. Agichtein, and Q. Guo, Characterizing Query Intent From Sponsored Search Clickthrough Data,
In Proceedings of the SIGIR Workshop on Information Retrieval and Advertising, pp. 15-22, July 2008.
- Q. Guo, E. Agichtein, C. Clarke, and A. Ashkan, Understanding Abandoned Ads: Towards Personalized Commercial Intent Inference via Mouse Movement Analysis,
In Proceedings of the SIGIR Workshop on Information Retrieval and Advertising, pp. 27-30, July 2008.
- A. Ashkan and L. Tahvildari, A Hybrid Analysis Framework to Evaluate Runtime Behavior of OO Systems,
In Proceedings of the 2nd International Workshop on Program Comprehension through Dynamic Analysis (PCODA), pp. 1-5, October 2006.
- S. A. Tonu, A. Ashkan, and L. Tahvildari, Evaluating Architectural Stability Using a Metric-Based Approach,
In Proceedings of the 10th IEEE European Conference on Software Maintenance and Reengineering (CSMR), pp. 261-270, March 2006.
Theses:
- A. Ashkan, Characterizing User Search Intent and Behavior for Click Analysis in Sponsored Search,
Ph.D. Thesis, University of Waterloo, May 2013.
- A. Ashkan, RUMBA: Runtime Monitoring and Behavioral Analysis Framework for Java Software Systems,
Master's Thesis, University of Waterloo, May 2007.
- A. Ashkan, Design and Implementation of a Web-Based Client/Server Human Resource System using JSP and Java Technology,
Bachelor's Thesis, Department of E&CE, University of Tehran, August 2004.
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