User:Sajithra.k/Vishy poosala

Dr. Vishy Poosala is the Head of Bell Labs India. In his current role, he leads a world-class R&D team in delivering research breakthroughs and internal technology ventures, and growing overall Alcatel-Lucent business. His current focus includes creating novel applications and networking technologies, especially for the emerging markets. Vishy was the Founder and CTO of Geopepper, an Alcatel-Lucent venture delivering innovative location-based services. He has also started a website called alertpedia.com. Dr. Poosala is a recognized expert on the business and technical aspects of Mobile applications, Web 2.0, and Database systems. He has published over 20 technical papers, been granted 18 patents, and won the Bell Labs President’s Gold Award three times.

Dr. Poosala received his B. Tech. in Computer Science from IIT Madras, India, in ’92, M.S and PhD from the University of Wisconsin-Madison in ’97. He has been with Bell Labs and Alcatel Lucent Ventures in different roles - researcher, technical manager, CTO, and now the Head of Bell Labs – India. He was also an Adjunct Professor at New York University.

Areas of interest

• Novel applications and networking technologies, especially for the emerging markets

Education

Ph.D.: Computer Science, University of Wisconsin-Madison (2/97). M. S: Computer Science, University of Wisconsin - Madison (12/93). G.P.A : 4/4. B.Tech: Computer Science, Indian Institute of Technology (IIT), Madras, India (6/92).

Experience

Chief Technologist, Mobile Applications,Alcatel-Lucent Ventures, (9/05-present): Founder of an internal venture focusing on creating an innovate product line in Location-based Messaging Services. I proposed the product concept and built an entrepreneurial team spanning USA, China, and India. I played an instrumental role in technology, business strategy, key partnerships, product management, and development.

Technical Manager,Bell Labs, Lucent Technologies (9/03-8/05): Led a team to conduct research & create novel products in location-based services, IMS/SIP services, and IP-Optical networks. Created iLocator - Lucent's flagship LBS product, and WaveBuilder - carrier-grade software used in designing and operating longhaul optical networks.

Member of Technical Staff, Bell Labs, Lucent Technologies (8/96 - 8/03) Conducted research in network management, web technologies, and databases. Published several papers in prestigious conferences and created novel software prototypes.

Adjunct Professor,New York University (Courant Inst. of Mathematical Sciences) (Spring'2000). Taught the graduate-level course on database systems.

Summer intern, IBM Almaden Research Center, San Jose, CA (6/94 - 8/94). Designed and implemented novel histogram techniques in the DB2-6000 (Client/Server) optimizer.

Research Assistant, Computer Sciences Department, Univ. of Wisconsin-Madison (6/93 - 7/96) Investigated research issues in statistical techniques in databases, parallel database systems, and query optimization.

Teaching Assistant - Computer Sciences Department, Univ. of Wisconsin-Madison (8/92 - 5/93), IIT-Madras, India (12/90-5/91):

Recent accomplishments and Publication:

Dr. Poosala is a recognized expert on the business and technical aspects of Mobile applications, Web 2.0, and Database systems. He has published over 20 technical papers, been granted 18 patents, and won the Bell Labs President’s Gold Award three times.

Selected Research Publications

Optical Networks

* M. Alicherry, C. Phadke, V. Poosala "Rapid mesh restoration in GMPLS and a performance study", European Conference on Optical Communications (ECOC)'03 * M. Alicherry, H. Nagesh, C. Phadke, V. Poosala, A. Shandilya, "Signaling-free optical burst switching", ECOC'03 * M. Alicherry, H. Nagesh, C. Phadke, V. Poosala, "Constraint-based Design of Optical Transmission Systems", Journal of Lightwave Technology * C. Phadke, V. Poosala, A. Shandilya, "FASTeR: Shared Restoration Without Signaling", Optical Fiber Communication Conference (OFC), Atlanta, 2003. * M. Alicherry, H. Nagesh, and V. Poosala, Designing Operational WDM Networks, IEEE Globecom, San Francisco, 2003 * M. Alicherry, C. Phadke, and V. Poosala, Routing and Design in K-Shared Networks, IEEE Globecom, San Francisco, 2003 * M. Alicherry, H. Nagesh, and V. Poosala, "Constraint-based Design of Optical Transmission Systems", Journal of Lightwave Technology. * M. Alicherry, S. Gogate, H. Nagesh, and V. Poosala, ``Optimal Configuration of Optical Line Systems under Various Constraints', European Conference on Optical Communications (ECOC), Copen Hagen, Denmark, 2002.

Approximate Query Answering

* Y. Ioannidis and V. Poosala, ``Histogram-based Approximation of Set-Valued Query Answers", IEEE VLDB, Edinburgh, Scotland, 1999.,   * S. Acharya, P. B. Gibbons, V. Poosala, ``Congressional Samples for Approximate Answering of Group-By Queries, ACM SIGMOD'2000, Dallas, USA, 2000.    * V. Poosala and V. Ganti, ``Fast Approximate Answers to Aggregate Queries on a Data Cube, 11th International Conference on Scientific and Statistical Database Management, Cleveland, 1999.    * S. Acharya, P. B. Gibbons, V. Poosala, S. Ramaswamy, ``Join Synopses for Approximate Query Answering, ACM SIGMOD'99, Philadelphia, USA, 1999.    * V. Poosala and V. Ganti, ``Summarizing the Data Cube for Approximate Answering of Aggregate Queries, International Conference on Data Engineering, Sydney, Australia, 1999. (poster)

World Wide Web

* S. Acharya, H. F. Korth, and, V. Poosala, ``Systematic Multiresolution - A Case Study on the World Wide Web'', International Conference on Data Engineering, Sydney, Australia, 1999.

Statistical Techniques in Databases

* P. Gibbons, Y. Matias, and V. Poosala, "Fast incremental maintenance of approximate histograms", ACM TODS 27(3), 2003. * S. Acharya, V. Poosala, and, S. Ramaswamy, ``Selectivity Estimation in Spatial Databases'', ACM SIGMOD'99, Philadelphia, USA, 1999. * S. Muthukrishnan, V. Poosala, and T. Suel, ``On Rectangular Partitionings in Two Dimensions: Algorithms, Complexity, and Applications'', Proc. of the International Conference on Database Theory, Jerusalem, 1999. * H.V.Jagadish, Nick Koudas, S. Muthukrishnan, V. Poosala, Ken Sevcik, and T. Suel, ``Optimal Histograms with Quality Guarantees'', Proc. of the 24th International Conference on Very Large Databases, New York City, Aug 1998. * D. Barbara, W. DuMouchel, C. Faloutsos, P.J. Haas, J.M. Hellerstein, Y.E. Ioanninds, H.V. Jagadish, T. Johnson, R. Ng, V. Poosala, K.A. Ross, and K.C. Sevcik, ``The New Jersey Data Reduction Report'', IEEE Data Engineering Bulletin, Vol. 20, No. 4, December 1997. * V. Poosala and Y.E. Ioannidis, ``Selectivity Estimation Without the Attribute Value Independence Assumption'', Proc. of the 23rd VLDB Conference, Athens, Greece, August 1997. * P. Gibbons, Y. Matias, and V. Poosala, ``Fast Incremental Maintenance of Approximate Histograms'', Proc. of the 23rd VLDB Conference, Athens, Greece, August 1997. * V. Poosala and Y.E. Ioannidis, ``Estimation of Query-Result Distribution and its Application in Parallel-Join Load Balancing'', Proc. of the 22nd VLDB Conference, Bombay, India, September 1996. * V. Poosala, Y.E. Ioannidis, P. J. Haas, and E. Shekita, ``Selectivity Estimation of Range Predicates Using Histograms'', Proc. of the 1996 ACM SIGMOD Conference, Montreal, Canada, June 1996. * Y.E. Ioannidis and V. Poosala, ``Histogram-Based Solutions to Diverse Database Estimation Problems'', IEEE Data Engineering Bulletin, Vol. 18, No. 3, December, 1995. * Y.E. Ioannidis and V. Poosala, ``Balancing Histogram Optimality and Practicality for Query Result Size Estimation'', Proc. of the 1995 ACM SIGMOD Conference, San Jose, CA, May 1995.