Computer Science Assistant

Alin V. Dobra

**** ****** ** ***. *

Freeville, NY 13068

Tel: 607-***-****

Fax: 607-***-****

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

www.cs.cornell.edu/people/dobra

Objective Tenure-track Assistant Professor at a strong research university.

Research Databases, Data-mining, Approximate Query Processing, Data Streaming Algo-

Interest rithms, Scalable Classi cation and Regression Tree Construction, Machine Learning,

Statistics.

Education Cornell University, Ithaca, NY

PhD, Computer Science, August 2003 (expected)

Advisor: Prof Johannes Gehrke

Dissertation Title: Scalable Classi cation and Regression Tree Construction

MSc, Computer Science, December 2001

Technical University of Cluj-Napoca, Cluj-Napoca, Romania

BSc, Computer Science, July 1998

Publications Refereed Conferences

Alin Dobra and J. E. Gehrke. SECRET: A Scalable Linear Regression Tree Algo-

rithm. In Proceedings of the Eighth ACM SIGKDD International Conference on

Knowledge Discovery and Data Mining. Edmonton, Alberta, Canada, July 2002.

Alin Dobra, Minos Garofalakis, J. E. Gehrke, and Rajeev Rastogi. Processing Com-

plex Aggregate Queries over Data Streams. In Proceedings of the 2002 ACM Sigmod

International Conference on Management of Data, Madison, Wisconsin, June 2002.

Alin Dobra and J. E. Gehrke. Bias Correction in Classi cation Tree Construction.

In Proceedings of the Seventeenth International Conference on Machine Learning

(ICML 2001), Williams College, Massachusetts, June 2001.

Alin Dobra. Identi cation of fuzzy models using clustering techniques. National

Conference on Automatic Control and Testing, Cluj-Napoca, Romania, 1996.

Dorin Isoc, Alin Dobra. A new philosophy and adequate dedicated software tool to

implement fuzzy logic systems, International Conference on Technical Information,

Timi oara, Romania, 1994.

s

Under review

Alin Dobra, Minos Garofalakis, J. E. Gehrke, and Rajeev Rastogi. Sketch-Based

Multi-Query Processing over Data Streams.

Other

Alin Dobra. Function Approximation using Fuzzy Clustering, Technical University

of Cluj-Napoca, Graduation Thesis (in Romanian), 1998.

Research Department of Computer Science, Cornell University

Graduate Research Assistant 2000-present

Investigated statistics based methods for scalable classi cation and regression tree

construction under the supervision of Prof. Johannes Gehrke.

Internet Management Research Department

Bell-Labs, Lucent Technologies

Summer Intern 2001-present

Developed randomized algorithms for approximating the results of aggregate SQL

queries over streaming data together with Dr. Rajeev Rastogi and Dr. Minos

Garofalakis. I continued this work at Cornell with Prof. Johannes Gehrke.

Department of Computer Science, Cornell University

Graduate Research Assistant 1999

Improved the performance of blackbox, a tool for satis ability and planning under

the supervision of Prof. Bart Selman.

Department of Computer Science

Technical University of Cluj-Napoca

Research Assistant 1997

Designed Venice Optimizing Compiler for a C-like language under the supervision

of Prof. Liviu Negrescu.

School of Automation and Computer Engineering

Technical University of Cluj-Napoca

Research Assistant 1993 1995

Designed Fuzzy Logic Systems under the supervision of Prof. Dorin Isoc and applied

them to automation and control problems.

Teaching Recitation/Project Instructor. Practicum in Operating Systems(Spring 2002) :

responsible for preparing and grading 6 mini-projects, giving recitations and assist-

ing students with project work . The course consists in implementing a operating

system using PortOS, an educational operating system framework to which I con-

tributed.

Teaching Assistant. Foundations of Arti cial Intelligence (Fall 1998, Fall 1999),

Machine Learning (Spring 2000) : responsible for grading homework assignments

and exams, holding o ce hours and coordinating the other teaching assistants.

Guest or Substitute Lecturer. Foundations of Arti cial Intelligence (Fall 1999),

Machine Learning (Spring 2000), Systems Programming and Operating Systems(Spring

2002).

Professional Conference Reviewer: ICDE 2002, KDD 2002, SIAM 2003

Activities

Journal Reviewer: IBM Systems Journal, TKDE Journal

Additional Administered several Linux servers and helped provide email and Internet

Experience access to about 100 users (1998).

Designed an application for hotel administration and another for the control

of production and managing of temporary import inventory (1995).

Awards Four prizes, including First Prize(1993), at the National Olympiad of Physics and

member of the Romanian Olympic Team of Physics (1988-1993).

Skills Pro cient in the major programming languages, web, network, open source

and database technologies, operating systems and desktop applications.

Fluent in English and Romanian, basic French.

Personal Enjoy reading, driving, playing computer games and tennis.

References

Prof. Johannes Gehrke Prof. Claire Cardie

Department of Computer Science Department of Computer Science

Cornell University Cornell University

4105B Upson Hall 5161 Upson Hall

Ithaca, NY 14853 Ithaca, NY 14853

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

Voice: 607-***-**** Voice: 607-***-****

Fax: 607-***-**** Fax: 607-***-****

Dr. Rajeev Rastogi Prof. Emin G n Sirer

u

Information Sciences Research Center Department of Computer Science

Bell Laboratories Cornell University

Rm 2B-301, 600 Mountain Avenue 4119A Upson Hall

Murray Hill, NJ 07974, USA Ithaca, NY 14853

*******@****-****.*** ***@**.*******.***

Voice: 908-***-**** Voice: 607-***-****

Fax: 908-***-**** Fax: 607-***-****

Dr. Minos N. Garofalakis

Information Sciences Research Center

Bell Laboratories

Rm 2B-305, 600 Mountain Avenue

Murray Hill, NJ 07974, USA

*****@********.****-****.***

Voice: 908-***-****

Fax: 908-***-****

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