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  • Bijective BWT (6 Comments)

    David Scott has written a bijective BWT transform, which brings all the advantages of bijectiveness to BWT based compressors. Among other things, making BWT more suitable for compression-before-encryption and also give (slightly) better compression.

  • Asymmetric Binary System (113 Comments)

    Jarek Duda’s “Asymmetric Binary System” promises to be an alternate to arithmetic coding, having all the advantages, but being much simpler. Matt has coded a PAQ based compressor using ABS for back-end encoding. Update: Andrew Polar has written an alternate implementation of ABS.

  • Precomp: More Compression for your Compressed Files (3 Comments)

    So many of today’s files are already compressed (using old, outdated algorithms) that newer algorithms don’t even get a chance to touch them. Christian Schneider’s Precomp comes to rescue by undoing the harm.

  • On2 Technologies is Hiring

    There aren’t too many companies working on cutting edge codecs, and of those few this one is hiring. Best of luck.

  • China’s AVS Specifications Available (2 Comments)

    Its old news that China has developed their own Advanced Video Standard to avoid high licensing fees. English translation of the standard is now available, along with the IPR policy. Finally something technical that you can get your hands on to feed your appetite.

The 2005 Gödel Prize

Posted by Sachin Garg on 16th September 2005 | Permanent Link

The 2005 Gödel Prize is awarded to Noga Alon, Yossi Matias and Mario Szegedy for their paper “The space complexity of approximating the frequency moments”

This concise work laid the foundations of the analysis of data streams using limited memory. It demonstrated the design of small randomized linear projections, subsequently referred to as “sketches,” that summarize large amounts of data and allow quantities of interest to be approximated to user-specified precision.

A leading innovator in information and data management technologies, Dr. Matias has authored numerous research papers and holds over 20 patents on diverse technologies relating to data and information management, systems, and algorithms. Dr. Matias is on leave from his faculty position at Tel Aviv University and, in addition to his position at HyperRoll’s CTO, is a visiting professor at Stanford University. His research involves algorithms for data streams and data synopses for massive data sets, parallel computation, data compression, and Internet technologies.

The Gödel Prize for outstanding papers in the area of theoretical computer science is sponsored jointly by the European Association for Theoretical Computer Science (EATCS) and the Special Interest Group on Algorithms and Computation Theory of the Association for Computing Machinery (ACM-SIGACT). This award is presented annually, with the presentation taking place alternately at the International Colloquium on Automata, Languages, and Programming (ICALP) and the ACM Symposium on Theory of Computing (STOC). The Prize is named in honor of Kurt Gödel in recognition of his major contributions to mathematical logic and of his interest, discovered in a letter he wrote to John von Neumann shortly before Neumann’s death, in what has become the famous “P versus NP” question.

The Prize includes an award of $5000.

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