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Viewing profile — J-L

J-L

HN member
Joined
Sun, Jun 29, 2008, 3:53 PM UTC
HN karma
17
Public activity
21 items

About J-L

Dr. Jochen L. Leidner is a computer scientist specializing in information extraction (also known as "text analytics"), search engines/information retrieval, geo-spatial processing (GIS), automatic question answering and mobile applications.

Recent public activity

  1. story
    On Domain-Specific Languages (DSLs)

    Some thoughts on "little languages" and their role in the software process.

  2. comment
    Comment #2525521

    There's a bug in the online shop - the "add to cart" button for the first book doesn't work (second one does).

  3. comment
    Comment #2420167

    You're compiling C to LISP, and you're not even telling us??? This being HN, I have to quote you for everybody's benefit: "Vacietis aims to be a C99 to Common Lisp compiler that pr…

  4. comment
    Comment #2420126

    My main language is Java these days, but I use lots of other languages as well (e.g. Perl, Python, R, sh, MATLAB, ...). However, C remains the language that I know most thoroughly,…

  5. comment
    Comment #2307497

    At home: MacOS X Ubuntu GNU/Linux HP-UX At work 1: Ubuntu GNU/Linux MacOS X At work 2: Windows XP Ubuntu GNU/Linux

  6. story
    Jeopardy update: IBM educates market, Watson performance

    IBM is playing Jeopardy, or rather it is letting a cluster of 3000 machines play. Here's an analysis what IBM gets out of it, on the business side and on the technical side.

  7. story
    Time Management

    Time Management: How to Avoid Fragmentation and Distraction

  8. comment
    Comment #1797257

    - edit distance for various projects (OCR post-correction, spelling correction, word alignment of bilingual text) - Viterbi algorithm in text part-of-speech disambiguation - Viterb…

  9. story
    Machine Learning with Orange

    The Orange open source toolkit combines machine learning with pre-packaged algorithms and Python "hackability"

  10. comment
    Comment #1642256

    add computation of U.S. sales tax/GB VAT/DE Umsatzsteuer/...

  11. story
    Academic Search Engines

    A little post about vertical search engines dedicated to support researchers in their hunt for papers.

  12. story
  13. story
    Reflections on SICP

    Four types of abstraction are the magic spells that the aspiring computer scientist needs to know, and SICP/6.001 taught them using Scheme.

  14. story
    Where should our energy come from?

    Cambridge physicist McKay computed that the average person in the UK spends as much energy as 125-135 light bulbs (on all the time). But where should that energy come from?

  15. story
  16. story
    Review of Peter Seibel's book "Coders at Work"

    Peter Seible, author of Practical Common LISP, has interviewed 15 programmers...

  17. story
    Is Your Blog Being Censored?

    Did you think that state censorship affects just a few corporate entities in China? Not so. Here's how you can find out whether your blog can be read from China or whether it is bl…

  18. story
  19. story
    Software Tools for Debating, Argumentation and e-Democracy

    In democracies, participation in the political process is now possible online, but that requires some tool support. Ideas need to be shared, votes have to be cast, petitions have t…

  20. story
    Cloud, Grid, or Cluster? Clarifying the Terminology of Distributed Computing

    As distributed computing is becoming mainstream, a lot of people throw around terms like "cluster", "clouds" or "grid" as if they were interchangeable. Here's an attempt to see thr…

  21. comment
    Comment #231222

    "As of this writing, Cambridge seems to be the intellectual capital of the world." That can be said for at least two Cambridges.