2015

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Evaluating User Targeting Policies: Simulation Based on Randomized Experiment Data
Joel Barajas | Ram Akella | Marius Holtan
Proceedings of the 24th International Conference on World Wide Web Companion, WWW 2015, Florence, Italy, May 18-22, 2015 - Companion Volume

2013

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Incorporating Statistical Topic Models in the Retrieval of Healthcare Documents
Karla L. Caballero Barajas | Ram Akella
Working Notes for CLEF 2013 Conference , Valencia, Spain, September 23-26, 2013

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Dynamic evaluation of online display advertising with randomized experiments: an aggregated approach
Joel Barajas | Ram Akella | Marius Holtan | Jaimie Kwon | Aaron Flores | Victor Andrei
22nd International World Wide Web Conference, WWW '13, Rio de Janeiro, Brazil, May 13-17, 2013, Companion Volume

2012

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Incorporating statistical topic information in relevance feedback
Karla L. Caballero Espinosa | Ram Akella
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012

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Dynamic effects of ad impressions on commercial actions in display advertising
Joel Barajas | Ram Akella | Marius Holtan | Jaimie Kwon | Aaron Flores | Victor Andrei
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

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The generalized dirichlet distribution in enhanced topic detection
Karla L. Caballero Espinosa | Joel Barajas | Ram Akella
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

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Impact of ad impressions on dynamic commercial actions: value attribution in marketing campaigns
Joel Barajas | Ram Akella | Marius Holtan | Jaimie Kwon | Aaron Flores | Victor Andrei
Proceedings of the 21st World Wide Web Conference, WWW 2012, Lyon, France, April 16-20, 2012 (Companion Volume)

2011

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Measuring the effectiveness of display advertising: a time series approach
Joel Barajas | Ram Akella | Marius Holtan | Jaimie Kwon | Brad Null
Proceedings of the 20th International Conference on World Wide Web, WWW 2011, Hyderabad, India, March 28 - April 1, 2011 (Companion Volume)

2010

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Improving probabilistic information retrieval by modeling burstiness of words
Zuobing Xu | Ram Akella
2010 Volume 46 Issue 2

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Hierarchical service analytics for improving productivity in an enterprise service center
Chunye Wang | Ram Akella | Srikant Ramachandran
Proceedings of the 19th ACM Conference on Information and Knowledge Management, CIKM 2010, Toronto, Ontario, Canada, October 26-30, 2010

2008

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A new probabilistic retrieval model based on the dirichlet compound multinomial distribution
Zuobing Xu | Ram Akella
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2008, Singapore, July 20-24, 2008

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A bayesian logistic regression model for active relevance feedback
Zuobing Xu | Ram Akella
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2008, Singapore, July 20-24, 2008

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Active relevance feedback for difficult queries
Zuobing Xu | Ram Akella
Proceedings of the 17th ACM Conference on Information and Knowledge Management, CIKM 2008, Napa Valley, California, USA, October 26-30, 2008

2007

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Incorporating Diversity and Density in Active Learning for Relevance Feedback
Zuobing Xu | Ram Akella | Yi Zhang
Advances in Information Retrieval, 29th European Conference on IR Research, ECIR 2007, Rome, Italy, April 2-5, 2007, Proceedings

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