Papers

Big-O is a company that engages in active research in its fields of interest. If a copy of the paper is not available here it can probably be found here or via a simple google search.

• N. Ramakrishnan, P. Butler, S. Muthiah, et al. 'Beating the news' with EMBERS: Forecasting Civil Unrest using Open Source Indicators. in KDD 2014. arXiv preprint
• P. Butler, N. Ramakrishnan, E. O. Nsoesie, and J. S. Brownstein, Satellite Imagery Analysis: What Can Hospital Parking Lots Tell Us about a Disease Outbreak?, Computer (Long. Beach. Calif)., vol. 47, no. 4, pp. 94–97, Apr. 2014. PDF
• P. Chakraborty, P. Khadivi, B. Lewis, A. Mahendiran, J. Chen, P. Butler, E. O. Nsoesie, S. R. Mekaru, J. S. Brownstein, M. Marathe, and others. Forecasting a Moving Target: Ensemble Models for ILI Case Count Predictions. in Proceedings of the SIAM International Conference on Data Mining (SDM 2014), 2014.PDF
• Forex-Foreteller: Currency Trend Modeling using News Articles, in Proceedings of the 19th ACM SIGKDD Conference on Knowledge Discovery and Data Mining – Demo Track, 2013.
• Weifeng Zhi, Xiang Wang, Buyue Qian, Patrick Butler, Naren Ramakrishnan, Ian Davidson. Clustering with Complex Constraints: Algorithms and Applications, in Proceedings of the Twenty-Seventh Conference on Artificial Intelligence (AAAI'13), Bellevue, WA, July 2013, to appear PDF
• Patrick Butler, Prithwish Chakraborty, Naren Ramakrishnan. The Deshredder: A Visual Analytic Approach to Deconstructing Shredded Documents, in Proceedings of the IEEE Conference on Visual Analytics Science and Technology (VAST'12), Seattle, WA, Oct 2012
• M. Shahriar. Hossain, Patrick Butler, Arnold P. Boedihardjo, Naren Ramakrishnan. Storytelling in Entity Networks to Support Intelligence Analysts, in Proceedings of the 18th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD'12), Beijing, China, pages 1375-1383, Aug 2012
• Marjan Momtazpour, Patrick Butler, M.Shahriar Hossain, Mohammad C. Bozchalui, Naren Ramakrishnan, Ratnesh Sharma. Coordinated Clustering Algorithms to Support Charging Infrastructure Design for Electric Vehicles, in Proceedings of the ACM SIGKDD International Workshop on Urban Computing (UrbComp 2012), Beijing, China, Aug 2012 ). Recipient of Best Student Paper Award.
• Debprakash Patnaik, Patrick Butler, Naren Ramakrishnan, Laxmi Parida, Benjamin Keller, David Hanauer. Experiences with Mining Temporal Event Sequences from Electronic Medical Records: Initial Successes and Some Challenges. KDD 2011.
• Patrick Butler, Kui Xu, and Danfeng Yao. Massive-Scale Stealthy Messaging Systems. ACNS 2011
• Yong Cao, Debprakash Patnaik, Sean P. Ponce, Jeremy S. Archuleta, Patrick Butler, Wu-chun Feng, Naren Ramakrishnan. Towards chip-on-chip neuroscience: fast mining of neuronal spike streams using graphics hardware. Conf. Computing Frontiers 2010: 1-10
• Chreston Miller, Ali R. Butt, and Patrick Butler. On Utilization of Contributory Storage in Desktop Grids. IPDPS 2008.
• Patrick Butler, Debprakash Patnaik, Naren Ramakrishnan, P.S. Sastry, K.P. Unnikrishnan. The Use of Temporal Data Mining to Model the C. elegans Neuronal Network. COSYNE 2008. (poster)
• Patrick Butler, Naren Ramakrishnan, K.P. Unnikrishnan. Reconstructing Functional Connectivity from Multi-Neuronal Spike Train Datasets Using Probabilistic Graphical Models. (poster)
• Chreston Miller, Patrick Butler, Ankur Shah, Ali Raza Butt. PeerStripe: a p2p-based large-file storage for desktop grids. HPDC 2007: 221-222.
• David K. Rutishauser, Patrick Butler and Jamie Riggins. A Sensitivity Study of the Aircraft Vortex Spacing System (AVOSS) Wake Predictor Algorithm to the Resolution of Input Meteorological Profiles. NASA/TM-2004-213239. June 2004, pp. 19.