The Open University of Israel
Dr. Tamir Tassa

Prof. Tamir Tassa

The Department of Mathematics and Computer Science  

Updated: September  2014

 


CONTACT INFORMATION

Tel: +972-9-7781272

Fax: +972-9-7780605

E-mail: tamirta [at] openu [dot] ac [dot] il

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EDUCATION

1993 Ph.D., Department of Applied Mathematics, School of Mathematical Sciences, Tel Aviv University.
One-sided Lipschitz stability and its applications for nonlinear conservation laws.
Advisor: Professor Eitan Tadmor
1987 M.Sc. (summa cum laude), Department of Applied Mathematics, School of Mathematical Sciences, Tel Aviv University.
Thesis: Applications of compensated compactness to scalar hyperbolic conservation laws.
Advisor: Professor Eitan Tadmor
1984 B.Sc. in Computer Science and Mathematics (summa cum laude), School of Mathematical Sciences, Tel Aviv University.
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FIELDS OF RESEARCH

  • Privacy-preserving data mining and publishing, anonymization of databases and social networks.
  • Cryptology - secret sharing, data security in broadcasting networks (broadcast encryption, traitor tracing, watermarking), multi-party computation.
  • Combinatorial optimization - polynomial time approximation schemes, scheduling and assignment problems, mathematical programming.
  • Mathematical analysis - hyperbolic conservation laws and degenerate parabolic equations, finite difference and spectral method approximations, homogenization.
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ACADEMIC POSITIONS

2013-present Head of the master program in Computer Science, The Open University
2011-present Associate Professor, Department of Mathematics and Computer Science, The Open University.
2007-2009 Chair, Department of computer science, The Open University.
2003-2011 Senior lecturer, Department of computer science, The Open University.
2003-2004 Lecturer, Department of computer science, Ben Gurion University.
2002-2003 Lecturer and researcher, School of Mathematical Sciences, Tel Aviv University.
2000-present Lecturer, Faculty of computer science, Interdisciplinary Center, Herzelia.
1999-2003 Lecturer, Academic College of Tel-Aviv.
1996-1997 Lecturer and researcher, School of Mathematical Sciences, Tel Aviv University.
1993-1996 Assistant Professor of Computational and Applied Mathematics, Department of Mathematics, UCLA
1994, summer Visiting Professor, Department of Mathematics, University of Metz.
1987-1993 Instructor, School of Mathematical Sciences, Tel Aviv University.
1989, fall Graduate Fellow, Institute for Computer Applications in Science and Engineering (ICASE), NASA Langley Research Center, Hampton, Virginia
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OTHER POSITIONS

9/2002-3/2003 Lead Scientist – Maya Software Technologies Ltd.
Conducted research in the areas of elliptic and hyperelliptic curve based cryptography.
12/2000-11/2001 Senior Algorithm Engineer – Bigband Networks Ltd.
Developed algorithms for video processing, transmission, quality evaluation and broadcast management.
4/1999-10/2000 Chief Technical Officer – Algorithmic Research Ltd.
Responsibilities included: evaluating new data security technologies for decision making regarding future company activity; scientific and technical supervision and assistance in current company activity; managing intellectual property issues; managing standardization issues.
1/1997-3/1999 Chief Scientist – Orcast (a subsidiary of Cylink Ltd.)
The company produced conditional access solutions as well as other components and applications for digital Pay TV systems.
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PUBLICATIONS

Journal Papers

Conferences

Manuscripts

Patents

  • T. Tassa (Inventor), Bigband Networks Ltd. (Assignee), Method for allocating media unit sequences among a plurality of output channels, US patent 6914936.
  • R. Oz and T. Tassa (Inventors), Bigband Networks Ltd. (Assignee), Method and Systems for providing enhanced television services, US patent 7787439.

Articles in Hebrew

© אין לעשות כל שימוש בפרסומים אלו ללא התר מהמחבר ומכתב העת בו פורסם המאמר.

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Graduate Students 

  • Yonatan Ben Yaakov, Oblivious Evaluation of Multivariate Polynomials and Applications, 2006

  • Oded Blayer, Improved Versions of Tardos Fingerprinting Scheme, 2007

  • Arnon Mazza, Anonymization of Databases: New Models and Algorithms, 2007

  • Batya Kenig, Practical Approximation Algorithms for Optimal k-Anonymity, 2009

  • Ido Tamir, Secure Distributed Computation of Anonymized Views of Shared Databases, 2010

  • Dror Cohen, Anonymization of Centralized and Distributed Networks by Sequential Clustering, 2011

  • Keren Semel, Secure Mining of Association Rules in Horizontally Distributed Databases, 2013

  • Ben Ezair, Efficient Multi-axis Trajectory Planning, 2013

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Editorial Boards and Program Committees

  • Transactions on Data Privacy  (Since 2014)
  • Data and Knowledge Engineering  (Since 2013)
  • Journal of Discrete Mathematics  (Since 2012)
  • LATIN 2008 (The 8th Latin American Theoretical Informatics)
  • SAC 2010  (Selected Areas in Cryptography)
  • ECML PKDD 2010 (European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases)
  • ICITS 2011 (The 5th International Conference on Information Theoretic Security)
  • PAKDD 2011 (The 15th Pacific-Asia Conference on Knowledge Discovery and Data Mining)
  • PAKDD 2012 (The 16th Pacific-Asia Conference on Knowledge Discovery and Data Mining)
  • WSDM 2013 (The 6th ACM International Conference on Web Search and Data Mining)
  • PAKDD 2013 (The 17th Pacific-Asia Conference on Knowledge Discovery and Data Mining)
  • ICITS 2013 (The 7th International Conference on Information Theoretic Security)
  • PAKDD 2014 (The 18th Pacific-Asia Conference on Knowledge Discovery and Data Mining)
  • PSD 2014 (The 6th Conference on Privacy in Statistical Databases)
  • IPDPS 2015 (The 29th IEEE International Parallel & Distributed Processing Symposium)