News Archive

  • The CHR 2009 workshop took place in July in Pasadena, California, USA.
  • A new book on current reasearch topics in CHR is now available: Constraint Handling Rules: Current Research Topics, Lecture Notes in Artificial Intelligence , Vol. 5388 Schrijvers, Tom; Frühwirth, Thom (Eds.) 2008, VII, 245 p., Softcover, ISBN: 978-3-540-92242-1.
  • The CHR 2008 workshop was organized on July 14 at the occasion of RTA 2008 in Hagenberg, Austria.
  • A new survey of CHR is available! Peter Van Weert has converted the more than 180 references of this survey into an indexed webpage. Send your bibtex entries to him for addition!
  • There is now a call for papers for a LNAI special issue on Constraint Handling Rules. All CHR authors are invited to submit new and revised papers!
  • The CHR 2007 workshop was held in September at the occasion of ICLP 2007. The proceedings are now available from the workshop website!
  • The WebCHR Interactive Demo has been updated!
  • We have a new parallel CHR system for Haskell based Software Transactional Memories (STM) in the implementations section. (March 2007)
  • The CHR paper lists, automatically extracted from Google, have been updated by Martin Kaeser. (February 2007)
  • There are now 1000+ Papers mentioning Constraint Handling Rules. (February 2007)
  • SICStus is switching to K.U.Leuven CHR. You can already get the SICStus 4 beta release. Try it out and given them your feedback!
  • A Sudoku applet written in K.U.Leuven JCHR by students of the university of Ulm is available on the Example Programs page. Jul 2005.
  • A summary of the Third Workshop on Constraint Handling Rules, Venice, Italy (CHR 2006), held at the occasion of ICALP 2006 on July 9, is available. Jul 2005.
  • The WebCHR Interactive Demo has moved to its new location in Ulm. Experiment with over 40 constraint solvers and programs or write your own.
  • Programming with a Chinese Horse - All About Constraint Handling Rules (CHR), Slides, Tutorial Notes, Invited talk at CP'05,October 2005.
  • Second Workshop on Constraint Handling Rules, Sitges, Spain (CHR 2005) was held at the occasion of ICLP 2005 on October 5. Includes proceedings.
  • TPLP journal special issue on CHR has been published as volume 5, issue 4&5! See the TPLP website for its contents.
  • The CHR website was updated considerably and moved to its new location on March 8, 2005.
  • CHR Around the World, Slides of Invited Talk at W(C)LP 2005.
  • First Workshop on Constraint Handling Rules, Ulm, Germany, May 2004.
    Includes Minutes and Proceedings.

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