Manager Computer Science

Niranjan Balasubramanian

Graduate student Email: ********@**.*****.***

Department of Computer Science 315-***-****

University of Massachusetts, Amherst Webpage: www.cs.umass.edu/ niranjan

Education

Ph.D Computer science,University of Massachusetts Amherst 2006 - Present

M.S, Computer Science, (SUNY) University at Bu alo 2001 - 2003

Bachelor of Computer Science and Engineering, Bharathidasan University, Tanjore, India 1997-2001

Research Interests

Broad interests: Information retrieval, Information organization and Question answering.

Speci c interests: Query-dependent choices in IR, Query performance prediction, Long queries re-

trieval, IR from mobile phones, and Sentence retrieval.

Computer Skills

Programming Languages Java, C#, C++, PERL, Python

Distributed Programming Tuple ow (a distributed computing framework like Map/ Reduce)

Internet Programming JSP, HTML, Java Script

Search and ML Tools Galago, Indri/Lemur, Lucene, and R.

Experience

2006 - Present

Research Assistant

University of Massachusetts, Amherst

Advisor: James Allan

E ectiveness Estimation - Predicting di erences in e ectiveness between retrieval alternatives.

Mobile IR - Energy consumption of information retrieval on mobile phones.

Sentence retrieval - Syntactic and statistical query models for detecting redundant information.

Jun 2009 Aug 2009

Microsoft Research Intern

Redmond, WA

Managers: Giridhar Kumaran and Vitor Carvalho

Query Performance Prediction on the Web Predicting the e ectiveness of web search results.

Query Reductions on the Web Research on automatically reducing long web queries.

Jun 2008 Aug 2008

Microsoft Research Intern

Redmond, WA

Manager: Silviu Cucerzan

Automatic Generation of Topic Pages Research on generating Wikipedia like abstracts for people.

Jun 2007 Aug 2007

Yahoo! Applied Research Intern

Yahoo! Sunnyvale, CA

Manager: Arkady Borkovsky

Research on statistical models for retrieving questions from Yahoo! Answers using term clusters.

2003 2006

Software Engineer

CNLP, Syracuse University, Syracuse, NY

Manager: Elizabeth D. Liddy

Research and development of Natural Language Processing (NLP) technologies and applications.

Feb 2003 Aug 2003

Software/Research Intern

New York, NY 10010

TripleHop Technologies, Inc. (Part of Oracle)

Research and development of query expansion module for Matchpoint, an enterprise search engine.

Journal Publications

1. Beyond Ranked Lists in Web Search: Aggregating Web Content in Topic Pages..

Balasubramanian, N. and Cucerzan, S.

International Journal of Semantic Computing, IJSC 2011.

Conference Publications

1. Exploring Reductions for Long Web Queries.

Balasubramanian, N., Kumaran, G., and Carvalho, V.

ACM SIGIR Conference, SIGIR 2010

2. Learning to Select Rankers.

Balasubramanian, N. and Allan, J.

A poster at ACM SIGIR Conference, SIGIR 2010

3. Predicting Query Performance on the Web.

Balasubramanian, N., Kumaran, G., and Carvalho, V.

A poster at ACM SIGIR Conference, SIGIR 2010

4. Topic Pages: An Alternative to the Ten Blue Links.

Balasubramanian, N. and Cucerzan, S.

IEEE ICSC 2010

5. Cost-E ective Combination of Multiple Rankers: Learning When Not To Query.

Balasubramanian, N., Bendersky, M. and Allan, J.

A poster at the NESCAI Student Colloquim, 2010

6. Automatic Generation of Topic Pages Using Query-based Aspect Models.

Balasubramanian, N. and Cucerzan, S.

A short paper at ACM Conference on Information and Knowledge Management, CIKM 2009

7. Energy Consumption in Mobile Phones: A Measurement Study and Implications for

Network Applications.

Balasubramanian, N., Balasubramanian, A. and Venkataramani, A.

ACM Internet Measurement Conference, IMC 2009

8. Syntactic Query Models for Restatement Retrieval.

Balasubramanian, N. and Allan, J.

String Processing and Information Retrieval Conference, SPIRE 2009

9. A Comparison of Sentence Retrieval Techniques.

Balasubramanian, N., Allan, J. and Croft, W. B.

A poster at ACM SIGIR Conference, SIGIR 2007

10. Improved Document Representation for Classi cation Tasks for the Intelligence Com-

munity.

Yilmazel, O., Symonenko, S., Balasubramanian, N., Liddy, E.D.

Proceedings of AAAI Spring Symposium Series. AAAI 2005

Invited Contributions

1. Online Feature Selection for Information Retrieval.

Balasubramanian, N., Kumaran, G., Carvalho, V. and Allan, J.

Feature Generation and Selection Workshop for Information Retrieval, SIGIR 2010

Technical Reports

1. Energy Aware Search from Mobile Phones.

Balasubramanian, N., Venkataramani, A. and Allan, J.,

A CIIR Technical Report.

2. Energy Consumption in Mobile Phones: Measurement, Design Implications, and Al-

gorithms

Balasubramanian, N., Balasubramanian, A., and Venkataramani, A.

A technical report with detailed proofs for the IMC 2009 paper.

Work in Progress

1. Query-dependent Selection of Ranking Algorithms.

2. Relative E ectiveness Estimation for Query Expansion.

Services and Awards

1. Reviewer for SIGIR 2011, WSDM 2011, and NAACL HLT Student Research Workshop, 2009

2. SIGIR 2010 Student Travel Award

3. Graduate Student Representative for the Department of Computer Science, UMASS 2010

References

Prof. James Allan Silviu-Petru Cucerzan

Department of Computer Science Machine Learning and Intelligence Group

University of Massachusetts Amherst Microsoft Research

Amherst, MA Redmond, WA

*****@**.*****.*** ******@*********.***

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