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#acl FrancescoCalimeri:read,write,revert SusannaCozza:read,write,revert All:read #acl FrancescoCalimeri:read,write,revert,admin SusannaCozza:read,write,revert,admin All:read
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<<Anchor(TOC)>>
<<TableOfContents>>
----
<<Anchor(project)>>
= DLV-EX: The Project =
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'''The Project'''

DLV-EX is an Answer Set Programming System extending [http://www.dlvsystem.com DLV] by External Predicates, which features a framework aimed at enabling ASP to deal with external sources of computation. This feature is realized by the introduction of “parametric” external predicates, whose extension is not specified by means of a logic program but implicitly computed through external code. 		DLV-EX is an Answer Set Programming System extending [[http://www.dlvsystem.com|DLV]] by External Predicates, which features a framework aimed at enabling ASP to deal with external sources of computation. This feature is realized by the introduction of “parametric” external predicates, whose extension is not specified by means of a logic program but implicitly computed through external code.
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DLV-EX is based on the [http://www.dlvsystem.com DLV] system. DLV-EX is based on the [[http://www.dlvsystem.com|DLV]] system.
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If you designed a nice external predicate, tell [[mailto:dlv-ex@mat.unical.it|us]].


{{attachment:new.gif}} ''Important'' {{attachment:new.gif}}

'''The DLV-EX project is now moving to [[http://www.mat.unical.it/dlv-complex|DLV-Complex]]. DLV-Complex is a very powerful ASP system, which, besides external predicates, explicitly supports (recursive) functions, sets, and lists, along with libraries for their manipulations. This page is still the main reference for the external-predicate framework and utilities: you will find all necessary tools for developing your own predicates in the [[#download|download]] section. Nevertheless, we strongly recommend to refer to the [[http://www.mat.unical.it/dlv-complex|DLV-Complex]] page for binaries, news and updates.'''

If you want, you can still download the last versions of DLV-EX binaries available, in the [[#download|download]] section.

To receive notifications about new releases and other important events regarding DLV-EX, just have a look at this page and the [[http://www.mat.unical.it/dlv-complex|DLV-Complex]] page, or drop us a note [[mailto:dlv-ex@mat.unical.it|here]].

[[#TOC|Top of Page]]
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<<Anchor(team)>>
= The Team =
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'''The Team''' == Core ==
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__Core__ [[http://www.mat.unical.it/calimeri|Francesco Calimeri]], [[http://www.gibbi.com|Giovambattista Ianni]], [[mailto:cozza@mat.unical.it|Susanna Cozza]]
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[mailto:calimeri@mat.unical.it Francesco Calimeri], [mailto:ianni@mat.unical.it Giovambattista Ianni], [cozza@mat.unical.it Susanna Cozza]

__Former team members__		 == Former team members ==
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__Prompters and helpers__ == Prompters and helpers ==
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[http://www.wfaber.com Wolfgang Faber], [http://www.pfeifer.com/gerald/ Gerald Pfeifer] [[http://www.wfaber.com|Wolfgang Faber]], [[http://www.pfeifer.com/gerald/|Gerald Pfeifer]], [[http://www.mat.unical.it/~leone/|Nicola Leone]]
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[[#TOC|Top of Page]]
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<<Anchor(download)>>
= Download =
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'''Download''' <<Anchor(headers)>>
== Scripts and Headers ==
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DLV-EX is actively developed. To receive notifications about new releases and other important events regarding DLV-EX, just have a look at this page, or drop us a note [mailto:dlv-ex@mat.unical.it here]. You can find below everything is necessary in order to develop and build your own external dynamic libraries.
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Please always use the most current version of DLV-EX (cf. version history).  * [[attachment:for-linux-developers.tar.gz|Linux version]] (.tar.gz archive)
 * [[attachment:for-windows-developers.zip|Windows version]] (.zip archive)
 * [[attachment:for-macos-developers.tar.gz|Mac OS version]] (.tar.gz archive)
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We offer a command-line version in binary form for i586-linux-elf-static (please have a look at the notes below). We plan to release binaries for other platforms as soon as an official release will be ready. '''Notes'''
 * Please note that the archives consist of two folders:
   * ''"LIB"'', containing headers and scripts needed in order to create new External Builtins libraries.
   * ''"doc"'', containing a manual and a tutorial for helping the user creating new external predicates. For further information, have a look at the [[#docs|documentation]].
 * In order to '''compile''' your own libraries, you will need [[http://www.gnu.org/software/libtool/|libtool]]. Take care of use the correct version of libtool for your system, or you may experience problems in creating dynamic libraries.
 * '''HINT''' for windows developers: you might find very useful the [[http://www.mingw.org/|MinGW]]/[[http://www.mingw.org/wiki/msys|MSYS]] environment.
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Notes: Please note that the .tar.gz archive consists of the executable plus a folder, namely "LIB", containing headers and scripts needed in order to create new External Builtins libraries. For further information, have a look at the documentation. <<Anchor(libraries)>>
== Libraries ==
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'''Libraries''' Some ready-made (compiled) dynamic libraries can be downloaded here. They have to be considered as "betas", since they are currently developed and tested. Feedbacks are useful and welcome, so please download them freely. For further information on how to exploit libraries have a look at the [[#docs|documentation]]. Please note that updates will be available later on, so come back to this page.
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Some (compiled) dynamic libraries can be downloaded here. They have to be considered as "betas", since they are currently developed and tested. Feedbacks are useful and welcome, so please download them freely. For further information on how to exploit libraries have a look at the documentation. Please note that updates will be available later on, so come back to this page.  * String Library, versions for: [[attachment:string_lib.so.tar.gz|linux]] - [[attachment:string_lib.zip|windows]] and [[attachment:string_lib.htm|related documentation]].
 * Integers Library, versions for: [[attachment:math_N.so.tar.gz|linux]] - [[attachment:math_N.zip|windows]] and [[attachment:math_N.htm|related documentation]].
 * Reals Library, versions for: [[attachment:math_R.so.tar.gz|linux]] - [[attachment:math_R.zip|windows]] and [[attachment:math_R.htm|related documentation]].
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String Library (linux) and related documentation.
Integers Library (linux) and related documentation.
Reals Library (linux) and related documentation. 		<<Anchor(utilities)>>
== Utilities ==
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'''Utilities''' ''DEBT'' - We have developed an integrated command-line environment aimed at helping in testing external built-ins predicates. This may be very useful for users who define their own built-ins. DEBT can be downloaded [[attachment:debt.tar.gz|here]], and it is gathered with its related [[attachment:BuiltinTestToolUSERMANUAL.pdf|documentation]].
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DEBT - We have developed an integrated command-line environment aimed at helping in testing external built-ins predicates. This may be very useful for users who define their own built-ins. DEBT can be downloaded here, and it is gathered with its related documentation. <<Anchor(latestVersion)>>
== Latest Version ==
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We offer a command-line version in binary form for

 * [[attachment:dl-ex.20080729.linux|Linux i386, 32bit]] (Latest version [[#history|July 28th, 2008]]).
 * [[attachment:dl-ex.20080729.win.exe|windows 32bit]] (Latest version [[#history|July 28th, 2008]]).

Please have a look at the [[#history|notes]] below. You may also want to have a look at [[attachment:benchmarks.html|some benchmarks]].


[[#TOC|Top of Page]]
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<<Anchor(docs)>>
= Documentation & Examples =
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'''Documentation & Examples''' We provide an [[attachment:usermanual.html|online manual]] and an [[attachment:tutorial.html|online tutorial]]; they are updated accordingly to the evolution of the system, so check them periodically.
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We provide an online manual and an online tutorial; they are updated accordingly to the evolution of the system, so check them. For a full documentation on DLV please check the official [[http://www.dlvsystem.com|web page]].
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For a full documentation on DLV please check the official web page. [[#TOC|Top of Page]]
----
<<Anchor(relatedWork)>>
= Related Works =
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It is worth noting that our work shares many aspects with the work carried out by Thomas Eiter, Giovambattista Ianni, Roman Schindlauer, and Hans Tompits. They introduce HEX programs, which are nonmonotonic logic programs admitting higher-order atoms as well as external atoms, and extend the answer-set semantics accordingly. A web page with a prototype and some references is available [[http://con.fusion.at/dlvhex/|here]].

 * [[http://www.mat.unical.it/dlv-complex|DLV-Complex]] is a very powerful ASP system, which, besides external predicates, explicitly supports (recursive) functions, sets, and lists, along with libraries for their manipulations. '''The DLV-EX project is actually moving to DLV-Complex'''.

 * [[http://www.dlvsystem.com|DLV]] is the system into which DLV-EX is implemented.

 * [[http://dlt.gibbi.com/|DLT]] is an extension to the DLV system providing reusable template predicate definitions. It is maintained by members of the DLV team from Università della Calabria.

 * [[http://www.kr.tuwien.ac.at/staff/roman/dlvhex|DLV-HEX]] features "second order" external predicates taking relational input an returning relational output, as well as higher order atoms. It allows DLT as a pre-parser.

[[#TOC|Top of Page]]
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<<Anchor(history)>>
= History =
 * July 29th, 2008 {{attachment:new.gif}}
Release a full version for Windows. Bugfixes.
This is supposed to be the last release. The project is moving to [[http://www.mat.unical.it/dlv-complex|DLV-Complex]].
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'''Related Work'''

It is worth noting that our work shares many aspects with the work carried out by Thomas Eiter, Giovambattista Ianni, Roman Schindlauer, and Hans Tompits. They introduce HEX programs, which are nonmonotonic logic programs admitting higher-order atoms as well as external atoms, and extend the answer-set semantics accordingly. A web page with a very preliminar prototype and some references is available here.

 * DLV is the system into which DLV-EX is implemented.

 * DLT is an extension to the DLV system providing reusable template predicate definitions. It is maintained by members of the DLV team from Università della Calabria.

 * James Delgrande, Torsten Schaub and Hans Tompits have created an external frontend for prioritized logic programs.

 * Vladimir Sarsakov, Torsten Schaub, Hans Tompits and Stefan Woltran have created an external frontend for logic programs with nested expressions.

 * A-POL, a partial order programming extension for Answer Set Programming, by Mauricio Osorio Galindo and Enrique R. Corona D.

----

'''History'''		  * April 26th, 2006
Bugfixes and speedups. Support for VI-restricted programs implemented.
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[[#TOC|Top of Page]]
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<<Anchor(publications)>>
= Selected Publications =
[1] F. Calimeri, S. Cozza, G. Ianni, "External Sources of Knowledge and Value Invention in Logic Programming", Annals of Mathematics and Artificial Intelligence, 2007, to appear. [[attachment:cali-etal-AMAI-2007.pdf|PDF]]
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'''Selected Publications''' [2] F. Calimeri, S. Cozza, G. Ianni, "Decidable fragments of Logic Programming with Value Invention", Proceedings of the 10th European Conference on Logics in Artificial Intelligence (JELIA'06) in Logics in Artificial Intelligence, Lecture Notes in Computer Science (LNCS), v. 4160, pp. 95-110, September 2006, Liverpool, UK, Springer Verlag, GmbH Tiergartenstrasse 17, 69121, Heidelberg Germany, ISBN 3-540-39625-X.
[[attachment:jelia06.pdf|PDF]]
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[1] F. Calimeri, G. Ianni, "External sources of computation for Answer Set Solvers", Proceedings of the 8th International Conference on Logic Programming and Nonmonotonic Reasoning (LPNMR-05), Diamante, Italy, 5-8 September 2005, Springer Verlag. [3] F. Calimeri, G. Ianni, "External sources of computation for Answer Set Solvers", Proceedings of the 8th International Conference on Logic Programming and Nonmonotonic Reasoning (LPNMR'05), Diamante, Italy, 5-8 September 2005, Springer Verlag.
[[attachment:lpnmr05.pdf|PDF]]

[[#TOC|Top of Page]]
----
__''[[mailto:dlv-ex@mat.unical.it|dlv-ex@mat.unical.it]]''__

Contents

  1. DLV-EX: The Project
  2. The Team
    1. Core
    2. Former team members
    3. Prompters and helpers
  3. Download
    1. Scripts and Headers
    2. Libraries
    3. Utilities
    4. Latest Version
  4. Documentation & Examples
  5. Related Works
  6. History
  7. Selected Publications

DLV-EX: The Project

DLV-EX is an Answer Set Programming System extending DLV by External Predicates, which features a framework aimed at enabling ASP to deal with external sources of computation. This feature is realized by the introduction of “parametric” external predicates, whose extension is not specified by means of a logic program but implicitly computed through external code. It is explicitly addressed the issue of invention of new information coming from external predicates, in form of new, and possibly infinite, constant symbols.

DLV-EX is based on the DLV system.

If you designed a nice external predicate, tell us.

new.gif Important new.gif

The DLV-EX project is now moving to DLV-Complex. DLV-Complex is a very powerful ASP system, which, besides external predicates, explicitly supports (recursive) functions, sets, and lists, along with libraries for their manipulations. This page is still the main reference for the external-predicate framework and utilities: you will find all necessary tools for developing your own predicates in the download section. Nevertheless, we strongly recommend to refer to the DLV-Complex page for binaries, news and updates.

If you want, you can still download the last versions of DLV-EX binaries available, in the download section.

To receive notifications about new releases and other important events regarding DLV-EX, just have a look at this page and the DLV-Complex page, or drop us a note here.

Top of Page

The Team

Core

Francesco Calimeri, Giovambattista Ianni, Susanna Cozza

Former team members

Adriana Pietramala (student), Maria Carmela Santoro (student)

Prompters and helpers

Wolfgang Faber, Gerald Pfeifer, Nicola Leone

Top of Page

Download

Scripts and Headers

You can find below everything is necessary in order to develop and build your own external dynamic libraries.

Notes

  • Please note that the archives consist of two folders:

    • "LIB", containing headers and scripts needed in order to create new External Builtins libraries.

    • "doc", containing a manual and a tutorial for helping the user creating new external predicates. For further information, have a look at the documentation.

  • In order to compile your own libraries, you will need libtool. Take care of use the correct version of libtool for your system, or you may experience problems in creating dynamic libraries.

  • HINT for windows developers: you might find very useful the MinGW/MSYS environment.

Libraries

Some ready-made (compiled) dynamic libraries can be downloaded here. They have to be considered as "betas", since they are currently developed and tested. Feedbacks are useful and welcome, so please download them freely. For further information on how to exploit libraries have a look at the documentation. Please note that updates will be available later on, so come back to this page.

Utilities

DEBT - We have developed an integrated command-line environment aimed at helping in testing external built-ins predicates. This may be very useful for users who define their own built-ins. DEBT can be downloaded here, and it is gathered with its related documentation.

Latest Version

We offer a command-line version in binary form for

Please have a look at the notes below. You may also want to have a look at some benchmarks.

Top of Page

Documentation & Examples

We provide an online manual and an online tutorial; they are updated accordingly to the evolution of the system, so check them periodically.

For a full documentation on DLV please check the official web page.

Top of Page

Related Works

It is worth noting that our work shares many aspects with the work carried out by Thomas Eiter, Giovambattista Ianni, Roman Schindlauer, and Hans Tompits. They introduce HEX programs, which are nonmonotonic logic programs admitting higher-order atoms as well as external atoms, and extend the answer-set semantics accordingly. A web page with a prototype and some references is available here.

  • DLV-Complex is a very powerful ASP system, which, besides external predicates, explicitly supports (recursive) functions, sets, and lists, along with libraries for their manipulations. The DLV-EX project is actually moving to DLV-Complex.

  • DLV is the system into which DLV-EX is implemented.

  • DLT is an extension to the DLV system providing reusable template predicate definitions. It is maintained by members of the DLV team from Università della Calabria.

  • DLV-HEX features "second order" external predicates taking relational input an returning relational output, as well as higher order atoms. It allows DLT as a pre-parser.

Top of Page

History

  • July 29th, 2008 new.gif

Release a full version for Windows. Bugfixes. This is supposed to be the last release. The project is moving to DLV-Complex.

  • April 26th, 2006

Bugfixes and speedups. Support for VI-restricted programs implemented.

  • September 28th, 2005

"Beta" version, much improved. Carries many bugfixes and improvements.

  • March 28th, 2005

First stable version, even if still a "beta".

  • October 17th, 2004

First working version, experimental.

  • Previous versions

...did not carry a real version identification.

Top of Page

Selected Publications

[1] F. Calimeri, S. Cozza, G. Ianni, "External Sources of Knowledge and Value Invention in Logic Programming", Annals of Mathematics and Artificial Intelligence, 2007, to appear. PDF

[2] F. Calimeri, S. Cozza, G. Ianni, "Decidable fragments of Logic Programming with Value Invention", Proceedings of the 10th European Conference on Logics in Artificial Intelligence (JELIA'06) in Logics in Artificial Intelligence, Lecture Notes in Computer Science (LNCS), v. 4160, pp. 95-110, September 2006, Liverpool, UK, Springer Verlag, GmbH Tiergartenstrasse 17, 69121, Heidelberg Germany, ISBN 3-540-39625-X. PDF

[3] F. Calimeri, G. Ianni, "External sources of computation for Answer Set Solvers", Proceedings of the 8th International Conference on Logic Programming and Nonmonotonic Reasoning (LPNMR'05), Diamante, Italy, 5-8 September 2005, Springer Verlag. PDF

Top of Page

dlv-ex@mat.unical.it

mwiki: dlvex (last edited 2018-01-16 11:46:00 by FrancescoCalimeri)