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2014 Summer School on Computational Logic
by Manuel Carro 28 May '14

28 May '14

Association for Logic Programming 2014 Summer School on Computational Logic http://utd.edu/~gupta/summer_school.html July 17-18, Vienna, Austria (Part of Vienna Summer of Logic) Researchers interested in research in computational logic are invited to attend the 2014 Summer School on Computational Logic. The 2-day summer school is suited for those who wish to learn advanced topics in computational logic and logic programming. The summer school will consist of four half-day tutorials on the following topics: 1. Probabilistic Logic Programming Lecturer: C.R. Ramakrishnan, SUNY Stony Brook, USA 2. Answer Set Programming Lecturer: Martin Gebser, Aalto University, Finland 3. Horn Clauses and Verification Lecturer: Andrey Rybalchenko, Microsoft Research, Cambridge, UK 4. Constraint Programming Lecturer: Roman Bartak, Charles University, Check Republic The cost of attending the workshop is the standard FLoC'14 workshop registration fee. However, A number of scholarships for students that cover the registration fee as well as all local expenses for the duration of the summer school are available. To apply, send a short vita along with a letter of recommendation from the faculty advisor to Prof. Gopal Gupta at gupta(a)utdallas.edu by June 2nd. The letter should also certify that the applicant is a full-time student. Significant travel support is also available through the FLoC organization. Visit http://vsl2014.at/floc14-travel-support/. -- +------------------------------------------------------------------------------+ | Manuel Carro --- E.T.S. Ing. Informaticos -- U. Politécnica de Madrid (UPM) | | Campus de Montegancedo --- E-28660 Boadilla del Monte --- Spain | | Phone: +34-91-101-2202 ext 4140 |

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2014 Summer School in Computational Logic
by Gopal Gupta 28 May '14

28 May '14

Association for Logic Programming 2014 Summer School on Computational Logic http://utd.edu/~gupta/summer_school.html July 17-18, Vienna, Austria (Part of Vienna Summer of Logic) Researchers interested in research in computational logic are invited to attend the 2014 Summer School on Computational Logic. The 2-day summer school is suited for those who wish to learn advanced topics in computational logic and logic programming. The summer school will consist of four half-day tutorials on the following topics: 1. Probabilistic Logic Programming Lecturer: C.R. Ramakrishnan, SUNY Stony Brook, USA 2. Answer Set Programming Lecturer: Martin Gebser, Aalto University, Finland 3. Horn Clauses and Verification Lecturer: Andrey Rybalchenko, Microsoft Research, Cambridge, UK 4. Constraint Programming Lecturer: Roman Bartak, Charles University, Check Republic A number of scholarships for students that cover all local expenses for the duration of the summer school are available. To apply, send a short vita along with a letter of recommendation from the faculty advisor to Prof. Gopal Gupta at gupta(a)utdallas.edu by June 2nd. The letter should also certify that the applicant is a full-time student. Non-students can attend the summer school by paying the standard fee for a 2-day FLoC workshop. Significant travel support is also available through the FLoC organization. Visit http://vsl2014.at/floc14-travel-support/.

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ICLP 2014: Call for Participation
by Tom Schrijvers 26 May '14

26 May '14

CALL FOR PARTICIPATION 30th International Conference on Logic Programming (ICLP 2014) Part of the Federated Logic Conference FLoC 2014 Vienna, Austria, July 19-22, 2014 http://www.logicprogramming.org/iclp2014 ACCEPTED PAPERS The list of accepted regular papers and technical communications is available on the conference home page. INVITED TALKS * Andrey Rybalchenko (Microsoft Research) (Quantified) Horn Constraint Solving for Program Verification and Synthesis * Neng-Fa Zhou (City University of New York) Combinatorial Search With Picat * Invited author(s) of the most influential paper of ICLP/ILPS 1994. * Invited author(s) of the most influential paper of ICLP 2004. * FLoC Panel chaired by Moshe Vardi * FLoC Plenary Talk by Veronique Cortier * VSL Keynote Talks by Franz Baader and Edmund Clarke WORKSHOPS, DC, AND SUMMER SCHOOL * 2014 Summer School on Computational Logic, July 17-18 * International Joint Workshop on Implementation of Constraint and Logic Programming Systems and Logic-based Methods in Programming Environments 2014 (CICLOPS - WLPE), July 17-18 * 21st International Workshop on Experimental Evaluation of Algorithms for solving problems with combinatorial explosion (RCRA), July 17-18 * 2nd International Workshop on Verification and Program Transformation (VPT), July 17-18 * Workshop on Horn Clauses for Verification and Synthesis (HCVS), July 17 * Workshop on Probabilistic Logic Programming (PLP), July 17 * 11th International Workshop on Constraint Handling Rules (CHR), July 18 * Workshop on Logic and Search (LaSh), July 18 * Parallel Methods for Search & Optimization (ParSearchOpt), July 18 * 10th ICLP Doctoral Consortium, July 20 * 7th Workshop on Answer Set Programming and Other Computing Paradigms (ASPOC), July 23 REGISTRATION AND ACCOMMODATION Information about registration and accommodation is available at the conference web site. Early registration ends on June 8, 2014. ICLP 2014 ORGANIZATION * General Chair: Manuel Carro (Technical University of Madrid). * Program Chairs: Michael Leuschel (Heinrich-Heine-Universität Düsseldorf), Tom Schrijvers (Ghent University) * Workshop Chair: Haifeng Guo (University of Nebraska at Omaha) * Doctoral Consortium Chairs: Martin Gebser (University of Potsdam), Jael Kriener (Microsoft Research - Inria Joint Center) CONFERENCE VENUE The Vienna University of Technology (TU Wien) is situated in the very heart of Vienna, in the pulsating cultural centre of town, right on the Karlsplatz metro station, the largest metro station at which three different subway lines cross each other. The University is within easy walking distance from the Imperial Palace, important music venues including the Opera House and the Musikverein, home of the Vienna Philharmonic Orchestra, from where the New Year's Concert is annually broadcasted around the globe, from beautiful churches such as the splendid baroque Karlskirche (Church of St. Charles) and St. Stephen's Cathedral, which is at the very city center, from major museums including the art nouveau Secession building, the Albertina Museum, the Museum of Fine Arts, the Museum of Natural History, and the newly built Museum's Quarter hosting modern art, and largest European open market "the Naschmarkt" with variety of international restaurants. Vienna International Airport is about 20 km away from the venue. The venue is easily accessible from the airport by a range of means of public transportation, as well as cabs. Prices range from EUR 3,6 to EUR 34 depending on kind of transportation. Travel time to downtown Vienna is between 16 and 30 minutes. Another airport close by is Bratislava Airport in Slovakia, about 50 km away from the venue. It takes about 45 minutes to get to downtown Vienna by car or bus. Bus tickets currently cost EUR 10 for one way ride, and depart approximately every 45 minutes.

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[logic-programming] ICLP 2014: Call for Participation
by Tom Schrijvers 24 May '14

24 May '14

(with invited talk by Picat's own Neng-Fa Zhou) CALL FOR PARTICIPATION 30th International Conference on Logic Programming (ICLP 2014) Part of the Federated Logic Conference FLoC 2014 Vienna, Austria, July 19-22, 2014 http://www.logicprogramming.org/iclp2014 ACCEPTED PAPERS The list of accepted regular papers and technical communications is available on the conference home page. INVITED TALKS * Andrey Rybalchenko (Microsoft Research) (Quantified) Horn Constraint Solving for Program Verification and Synthesis * Neng-Fa Zhou (City University of New York) Combinatorial Search With Picat * Invited author(s) of the most influential paper of ICLP/ILPS 1994. * Invited author(s) of the most influential paper of ICLP 2004. * FLoC Panel chaired by Moshe Vardi * FLoC Plenary Talk by Veronique Cortier * VSL Keynote Talks by Franz Baader and Edmund Clarke WORKSHOPS, DC, AND SUMMER SCHOOL * 2014 Summer School on Computational Logic, July 17-18 * International Joint Workshop on Implementation of Constraint and Logic Programming Systems and Logic-based Methods in Programming Environments 2014 (CICLOPS - WLPE), July 17-18 * 21st International Workshop on Experimental Evaluation of Algorithms for solving problems with combinatorial explosion (RCRA), July 17-18 * 2nd International Workshop on Verification and Program Transformation (VPT), July 17-18 * Workshop on Horn Clauses for Verification and Synthesis (HCVS), July 17 * Workshop on Probabilistic Logic Programming (PLP), July 17 * 11th International Workshop on Constraint Handling Rules (CHR), July 18 * Workshop on Logic and Search (LaSh), July 18 * Parallel Methods for Search & Optimization (ParSearchOpt), July 18 * 10th ICLP Doctoral Consortium, July 20 * 7th Workshop on Answer Set Programming and Other Computing Paradigms (ASPOC), July 23 REGISTRATION AND ACCOMMODATION Information about registration and accommodation is available at the conference web site. Early registration ends on June 8, 2014. ICLP 2014 ORGANIZATION * General Chair: Manuel Carro (Technical University of Madrid). * Program Chairs: Michael Leuschel (Heinrich-Heine-Universität Düsseldorf), Tom Schrijvers (Ghent University) * Workshop Chair: Haifeng Guo (University of Nebraska at Omaha) * Doctoral Consortium Chairs: Martin Gebser (University of Potsdam), Jael Kriener (Microsoft Research - Inria Joint Center) CONFERENCE VENUE The Vienna University of Technology (TU Wien) is situated in the very heart of Vienna, in the pulsating cultural centre of town, right on the Karlsplatz metro station, the largest metro station at which three different subway lines cross each other. The University is within easy walking distance from the Imperial Palace, important music venues including the Opera House and the Musikverein, home of the Vienna Philharmonic Orchestra, from where the New Year's Concert is annually broadcasted around the globe, from beautiful churches such as the splendid baroque Karlskirche (Church of St. Charles) and St. Stephen's Cathedral, which is at the very city center, from major museums including the art nouveau Secession building, the Albertina Museum, the Museum of Fine Arts, the Museum of Natural History, and the newly built Museum's Quarter hosting modern art, and largest European open market "the Naschmarkt" with variety of international restaurants. Vienna International Airport is about 20 km away from the venue. The venue is easily accessible from the airport by a range of means of public transportation, as well as cabs. Prices range from EUR 3,6 to EUR 34 depending on kind of transportation. Travel time to downtown Vienna is between 16 and 30 minutes. Another airport close by is Bratislava Airport in Slovakia, about 50 km away from the venue. It takes about 45 minutes to get to downtown Vienna by car or bus. Bus tickets currently cost EUR 10 for one way ride, and depart approximately every 45 minutes. _______________________________________________ logic-programming mailing list logic-programming(a)lists.picat-lang.org http://lists.picat-lang.org/mailman/listinfo/logic-programming

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ICLP 2014: Call for Papers
by Tom Schrijvers 06 Nov '13

06 Nov '13

CALL FOR PAPERS 30th International Conference on Logic Programming (ICLP 2014) Part of the Federated Logic Conference FLoC 2014 Vienna, Austria, July 19-22, 2014 http://www.logicprogramming.org/iclp2014 CONFERENCE SCOPE Since the first conference held in Marseilles in 1982, ICLP has been the premier international conference for presenting research in logic programming. Contributions are sought in all areas of logic programming including but not restricted to: Theory: Semantic Foundations, Formalisms, Nonmonotonic Reasoning, Knowledge Representation. Implementation: Compilation, Virtual Machines, Parallelism. Environments: Program Analysis, Transformation, Validation, Verification, Debugging, Profiling, Testing. Language Issues: Concurrency, Objects, Coordination, Mobility, Higher Order, Types, Modes, Assertions, Programming Techniques. Related Paradigms: Inductive Logic Programming, Constraint Logic Programming, Answer-Set Programming, SAT-Checking Applications: Databases, Data Integration and Federation, Software Engineering, Natural Language Processing, Web and Semantic Web, Agents, Artificial Intelligence, Bioinformatics. In addition to the presentations of accepted papers, the technical program will include invited talks, advanced tutorials, the doctoral consortium, and several workshops. SUBMISSION DETAILS The four broad categories for submissions are as follows. Regular papers, including: (1) technical papers for describing technically sound, innovative ideas that can advance the state of logic programming; (2) application papers, where the emphasis will be on their impact on the application domain; (3) system and tool papers, where the emphasis will be on the novelty, practicality, usability and availability of the systems and tools described. Technical commu- nications (4) aimed at describing recent developments, new projects, and other materials that are not ready for publication as standard papers. All papers and technical communications will be presented during the conference. All submissions must describe original, previously unpublished research, and must not simultaneously be submitted for publication elsewhere. They must be written in English. Technical papers, application papers, and system and tool papers must not exceed 12 pages plus bibliography: however a new condensed TPLP format may be used and the papers may include appendices beyond 12 pages. The limit for technical communications is 10 pages. Submissions must be made in the condensed TPLP format via the Easychair submission system, available at http://www.easychair.org/conferences/?conf=iclp2014 IMPORTANT DATES Paper registration (abstract): January 31, 2014 Submission deadline: February 5, 2014 Notification to authors: March 18, 2014 Revision deadline (when needed): April 18, 2014 Camera-ready copy due: May 15, 2014 Conference: July 19-22, 2014 PAPER PUBLICATION All accepted papers will be published in the journal Theory and Practice of Logic Programming (TPLP), Cambridge University Press (CUP), in one or more special issues. In order to ensure the quality of the final version, papers may be subject to more than one round of refereeing (within the decision period). Accepted technical communications will be published in the on-line abstract of the special issue(s). The program committee may also recommend standard papers to be published as technical communications. At the time of the conference CUP will make the web page for this(ese) TPLP issue(s) available including volume and issue numbers, table of contents, page numbers, and the papers themselves. All registered attendants at the conference will get a password for on-line access to this web page during the conference and indefinitely from then on ("lifetime access"), which can be used to read papers on line, download them, or print them for personal use. Attendants will also receive all the papers in a memory stick at the conference. ICLP 2014 ORGANIZATION General Chair: Manuel Carro Technical University of Madrid Program Co-chairs: Michael Leuschel University of D√ºsseldorf Tom Schrijvers Ghent University Workshop Chair: Haifeng Guo University of Nebraska at Omaha Doctoral Consortium: Martin Gebser University of Potsdam Jael Kriener Kent University PROGRAM COMMITTEE Elvira Albert Complutense University of Madrid Sergio Antoy Portland State University Marcello Balducini Drexel University Francois Bry University of Munich Mats Carlsson SICS Iliano Cervesato Carnegie Mellon University - Qatar Campus Kaustuv Chaudhuri INRIA Michael Codish Ben-Gurion University Danny De Schreye KU Leuven Marc Denecker KU Leuven Esra Erdem Sabanci University Samir Genaim Universidad Complutense de Madrid Gopal Gupta University of Texas at Dallas Michael Hanus CAU Kiel Remy Haemmerle Universidad Politecnica de Madrid Ethan Jackson Microsoft Gerda Janssen KU Leuven Michael Kifer State University of New York at Stony Brook Andy King University of Kent Guenter Kniesel University of Bonn Yanhong Annie Liu State University of New York at Stony Brook Michael Maher University of New South Wales Rainer Manthey University of Bonn Fred Mesnard Universite de la Reunion Jose Morales IMDEA Software Research Institute Alberto Pettorossi Universita di Roma Tor Vergata Gianfranco Rossi Universita di Parma Vitor Santos Costa Universidade do Porto Peter Schachte University of Melbourne Torsten Schaub University of Potsdam Hirohisa Seki Nagoya Institute of Technology Peter Stuckey University of Melbourne Paul Tarau University of North Texas Michael Thielscher University of New South Wales Hans Tompits Vienna University of Technology Francesca Toni Imperial College London German Vidal Universitat Politecnica de Valencia Jan Wielemaker University of Amsterdam Stefan Woltran Vienna University of Technology Neng-Fa Zhou City University of New York SPONSOR The conference is sponsored by the Association for Logic Programming (ALP). FINANCIAL ASSISTANCE The Association for Logic Programming has funds to assist financially disadvantaged participants and, specially, students in order to be able to attend the conference. WORKSHOPS The ICLP 2014 program will include several workshops, held before and after the main conference. They are perhaps the best places for the presentation of preliminary work, undeveloped novel ideas, and new open problems to a wide and interested audience with opportunities for intensive discussions and project collaboration. DOCTORAL CONSORTIUM The 9th Doctoral Consortium (DC) on Logic Programming provides research students with the opportunity to present and discuss their research directions, and to obtain feedback from both peers and world-renown experts in the field. Accepted participants will receive partial financial support to attend the event and the main conference. The best paper and presentation from the DC will be given the opportunity to present in a special session of the main ICLP conference. CONFERENCE VENUE The venue will be the Vienna University of Technology (TU Wien). Vienna University of Technology is situated in the very heart of Vienna, in the pulsating cultural centre of town, right on the Karlsplatz metro station, the largest metro station at which three different subway lines cross each other. The University is within easy walking distance from the Imperial Palace, important music venues including the Opera House and the Musikverein‚ home of the Vienna Philharmonic Orchestra ‚ from where the New Year's Concert is annually broadcasted around the globe, from beautiful churches such as the splendid baroque Karlskirche (Church of St. Charles) and St. Stephen's Cathedral, which is at the very city center, from major museums including the art nouveau Secession building, the Albertina Museum, the Museum of Fine Arts, the Museum of Natural History, and the newly built Museum's Quarter hosting modern art, and largest European open market "the Naschmarkt" with variety of international restaurants. Vienna International Airport is about 20 km away from the venue. The venue is easily accessible from the airport by a range of means of public transportation, as well as cabs. Prices range from EUR 3,6 to EUR 34 depending on kind of transportation. Travel time to downtown Vienna is between 16 and 30 minutes. Another airport close by is Bratislava Airport in Slovakia, about 50 km away from the venue. It takes about 45 minutes to get to downtown Vienna by car or bus. Bus tickets currently cost EUR 10 for one way ride, and depart approximately every 45 minutes. -- prof. dr. ir. Tom Schrijvers Programming Languages Group Department of Applied Mathematics and Computer Science University of Ghent Krijgslaan 281 S9 9000 Gent Belgium Phone: +32 9 264 4805 http://users.ugent.be/~tschrijv/

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Next version
by John O'Gorman 10 Oct '13

10 Oct '13

Hi When can we expect the next development version of CiaoDE to come out? I am trying to learn to use lpdoc to produce all supported types of documentation but I am failing miserably. The documentation warns that it is out of date and it obviously is! Can someone help me? I would like an example file with embedded doc statements that is known to work. I could then beaver away at setting my Ciao environment up to work from that example. Also an updated manual for installing lpdoc would be good! I am using the latest development version (12 June) on SUSE Linux 12.3 and I have installed using the RPM intended for Fedora, etc. Regards John O'Gorman

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Ciao Prolog without Cygwin?
by Jan Burse 20 Sep '13

20 Sep '13

Can I use ciao prolog without cygwin? I get the following error: Ciao 1.15-1781-g328b907: Wed Jun 19 00:06:05 PST 2013 ?- use_package(clpfd). {Using package /cygdrive/c/Program Files (x86)/CiaoDE/ciao/contrib/clpfd/clpfd.p l {Including /cygdrive/c/Program Files (x86)/CiaoDE/ciao/contrib/clpfd/clpfd_ops.p l } WARNING: cannot create /cygdrive/c/Program Files (x86)/CiaoDE/ciao/contrib/clpfd /clpfd_tr.itf WARNING: cannot create /cygdrive/c/Program Files (x86)/CiaoDE/ciao/contrib/clpfd /clpfd_tr.itf WARNING: cannot create /cygdrive/c/Program Files (x86)/CiaoDE/ciao/contrib/debug pred/debugpred_tr.itf WARNING: cannot create /cygdrive/c/Program Files (x86)/CiaoDE/ciao/lib/attr/attr _tr.itf

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Division by zero for multiplication constraint?
by Jan Burse 19 Sep '13

19 Sep '13

Hi, I am now running for the first time some CLP(FD) models in Ciao Prolog! gr8. Take the following little riddle: % grocery3(-List) grocery3(X) :- X = [A,B,C], X ins 0..642, A*B*C #= 6420000, A+B+C #= 642, A #>= B, B #>= C, label(X). And it doesn't produce a solution, but aborts with the following error: {ERROR: bound_div - divison_by_0(9999)} I guess this is a glitch, since the CLP(FD) libraries of other Prolog systems don't produce an error, but the solution: ?- grocery3(X). X = [375, 160, 107] ; false. Bye

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Re: [Ciao-users] How to Define ins/2
by Jan Burse 19 Sep '13

19 Sep '13

Hi, Ok, got it working with: :- use_package(clpfd). :- op(700, xfx, ins). [] ins R. [X|Y] ins R :- clpfd_rt:(X in R), Y ins R. I now have: ?- [X,Y] ins 9..10, label([X,Y]). X = 9, Y = 9 ? ; Etc.. Great! Bye remy(a)clip.dia.fi.upm.es schrieb: > Dear Jan, > > The module fd_term is exported by the package clpfd but should not. Then > the predicate in/2 from fd_term conflicts with the one of clpfd_rt. > > To correct the bug, just comment the following line (line 41) in > ciao/contrib/clpfd/clpfd.pl > :- use_module(library(clpfd(fd_term))). > > You can also work around by explicitly qualify the in/2 predicate. > > [] ins R. > [X|Y] ins R :- clpfd_rt:in(X, R), Y ins R. > > > ?- use_package(clpfd). > > yes > ?- [X,Y] ins 9..10, label([X,Y]). > > X = 9, > Y = 9 ? > > yes > > > Regards, > > Remy > >> Dear All, >> >> I am consulting a Prolog text with: >> >> :- use_package(clpfd). >> >> :- op(700, xfx, ins). >> [] ins R. >> [X|Y] ins R :- X in R, Y ins R. >> >> But it doesn't work as expected: >> >> ?- [X,Y] ins 9..10, label([X,Y]). >> no >> >> Possible to make it work? >> >> Bye >> >> >> _______________________________________________ >> Ciao-users mailing list >> Ciao-users(a)clip.dia.fi.upm.es >> http://clip.dia.fi.upm.es/cgi-bin/mailman/listinfo/ciao-users >> >

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How to Define ins/2
by Jan Burse 19 Sep '13

19 Sep '13

Dear All, I am consulting a Prolog text with: :- use_package(clpfd). :- op(700, xfx, ins). [] ins R. [X|Y] ins R :- X in R, Y ins R. But it doesn't work as expected: ?- [X,Y] ins 9..10, label([X,Y]). no Possible to make it work? Bye

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