Research

I am interested in building large scale database systems. Recently I have worked on unstructured databases, scientific databases, cloud databases, and databases for next-generation architectures. I was affiliated with CMU DB Group, DIAS, and Parallel Data Lab.

Publications

• "Predicting cost amortization for query services". Verena Kantere, Debabrata Dash, Anastasia Ailamaki; (to appear) SIGMOD 2011.
• "CoPhy: A Scalable, Portable, and Interactive Index Advisor for Large Workloads". Debabrata Dash, Alkis Polyzotis, Anastasia Ailamaki; (to appear) VLDB 2011.
• "Optimal service pricing for a cloud cache". Verena Kantere, Debabrata Dash, Gregory Francois, Sofia Kyriakopoulou, Anastasia Ailamaki; (to appear) TKDE 2011.
• "Scalable Security Information and Event Management". Rajiv Subrahmanyam, Wei Huang, Dil Ibrahim, Debabrata Dash; HP TechCon 2011
• "Distributed and real-time correlation of security events". Debabrata Dash, Anurag Singla, Yanlin Wang; HP TechCon 2011
• "Adaptive query execution for data management in the cloud". Adrian Daniel Popescu, Debabrata Dash, Verena Kantere, Anastasia Ailamaki; CloudDB 2010.
• "PARINDA: an interactive physical designer for PostgreSQL". Cristina Maier, Debabrata Dash, Ioannis Alagiannis, Anastasia Ailamaki, Thomas Heinis; EDBT 2010.
• "Caching all plans with just one optimizer call". Debabrata Dash, Ioannis Alagiannis, Cristina Maier, Anastasia Ailamaki; SMDB 2010.
• "An automated, yet interactive and portable DB designer." Ioannis Alagiannis, Debabrata Dash, Karl Schnaitter, Anastasia Ailamaki, Neoklis Polyzotis; SIGMOD 2010.
• "Adaptive Physical Design for Curated Archives". Tanu Malik, Xiaodan Wang, Debabrata Dash, Amitabh Chaudary, Randal Burns, Anastasia Ailamaki; SSDBM'09.
• "Managing scientific data". Anastasia Ailamaki, Verena Kantere, Debabrata Dash; CACM, 2010.
• "An Economic Model for Self-tuned Cloud Caching". Debabrata Dash, Verena Kantere, Anastasia Ailamaki; ICDE, 2009.
• "Dynamic Faceted Search for Discovery-driven Analysis". (PDF) Debabrata Dash, Jun Rao, Nimrod Megiddo, Anastasia Ailamaki, Guy Lohman; CIKM, 2008.
• "Automated Physical Design in Database Caches". (PDF) T. Malik, X. Wang, R. Burns, D. Dash, A. Ailamaki; SMDB, 2008.
• "Intelligent Use of the Query Optimizer for Automated Physical Design".(PDF) Stratos Papadomanolakis, Debabrata Dash, Anastasia Ailamaki; VLDB, 2007.
• "Modeling Adoptability of Secure BGP Protocols" (PDF). Haowen Chan, Debabrata Dash, Adrian Perrig, and Hui Zhang. SIGCOMM'06.
• CMU-CyLab-05-001 -- A detailed technical report.
• “Simultaneous Pipelining in QPipe: Exploiting Work Sharing Opportunities Across Queries”. D. Dash, K. Gao, N. Hardavellas, S. Hazaripoulus, R. Johnson, N. Mancheril, I. Pandis, V. Shkapenyuk, A. Ailamaki. Winner of the Best Demo Award at ICDE’06

Patents

1. 7,644,438: Security event aggregation at software agent
2. 7,424,742: Dynamic security events and event channels in a network security system
3. 7,392,250: Discovering interestingness in faceted search
4. 7,260,844: Threat detection in a network security system