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'''The Project''' |
[[Anchor(TOC)]] [[TableOfContents]] ---- [[Anchor(project)]] = DLV-EX: The Project = |
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| DLV-EX is based on the [http://www.dlvsystem.com DLV] system. | We remark that DLV-EX is based on the [http://www.dlvsystem.com DLV] system. |
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| [#TOC Top of Page] | |
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| [[Anchor(team)]] = The Team = |
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| '''The Team''' | == Core == |
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| __Core__ | [mailto:calimeri@mat.unical.it Francesco Calimeri], [mailto:ianni@mat.unical.it Giovambattista Ianni], [mailto:cozza@mat.unical.it Susanna Cozza] |
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| Francesco Calimeri ([calimeri@mat.unical.it]), Giovambattista Ianni ([ianni@mat.unical.it]), Susanna Cozza ([cozza@mat.unical.it]) __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''' | 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]. |
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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 here. | Please always use the most current version of DLV-EX (cf. [#history version history]). You may also want to have a look at [attachment:benchmarks.html some benchmarks]. |
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| Please always use the most current version of DLV-EX (cf. version history). | == New version available == |
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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. | We offer a command-line version in binary form for |
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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. | * [attachment:dl-ex.20060426.linux.tar.gz i386-linux-elf-static] (Latest version April 26th, 2006). attachment:Immagini/new.gif |
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| '''Libraries''' | (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. |
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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. | 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 [#docs documentation]. |
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| String Library (linux) and related documentation. Integers Library (linux) and related documentation. Reals Library (linux) and related documentation. |
== Libraries == |
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| '''Utilities''' | 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 [#docs documentation]. Please note that updates will be available later on, so come back to this page. |
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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. | * [attachment:string_lib.so.tar.gz String Library (linux)] and [attachment:string_lib.htm related documentation]. * [attachment:math_N.so.tar.gz Integers Library (linux)] and [attachment:math_N.htm related documentation]. * [attachment:math_R.so.tar.gz Reals Library (linux)] and [attachment:math_R.htm related documentation]. |
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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]. [#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.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 = * April 26th, 2006 Bugfixes and speedups. Support for VI-restricted programs implemented. |
|
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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''' * September 28th, 2005 |
* September 28th, 2005 |
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| * March 28th, 2005 | * March 28th, 2005 |
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| * October 17th, 2004 | * October 17th, 2004 |
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| * Previous versions | * Previous versions |
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| [#TOC Top of Page] | |
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'''Selected Publications''' |
[[Anchor(publications)]] = Selected Publications = |
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[#TOC Top of Page] ---- __''[mailto:dlv-ex@mat.unical.it dlv-ex@mat.unical.it]''__ |
DLV-EX: 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. It is explicitly addressed the issue of invention of new information coming from external predicates, in form of new, and possibly infinite, constant symbols.
We remark that DLV-EX is based on the [http://www.dlvsystem.com DLV] system.
[#TOC Top of Page]
The Team
Core
[mailto:calimeri@mat.unical.it Francesco Calimeri], [mailto:ianni@mat.unical.it Giovambattista Ianni], [mailto:cozza@mat.unical.it Susanna Cozza]
Former team members
Adriana Pietramala (student), Maria Carmela Santoro (student)
Prompters and helpers
[http://www.wfaber.com Wolfgang Faber], [http://www.pfeifer.com/gerald/ Gerald Pfeifer], [http://www.mat.unical.it/~leone/ Nicola Leone]
[#TOC Top of Page]
Download
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].
Please always use the most current version of DLV-EX (cf. [#history version history]). You may also want to have a look at [attachment:benchmarks.html some benchmarks].
New version available
We offer a command-line version in binary form for
- [attachment:dl-ex.20060426.linux.tar.gz i386-linux-elf-static] (Latest version April 26th, 2006). attachment:Immagini/new.gif
(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 .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 [#docs documentation].
Libraries
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 [#docs documentation]. Please note that updates will be available later on, so come back to this page.
- [attachment:string_lib.so.tar.gz String Library (linux)] and [attachment:string_lib.htm related documentation].
- [attachment:math_N.so.tar.gz Integers Library (linux)] and [attachment:math_N.htm related documentation].
- [attachment:math_R.so.tar.gz Reals Library (linux)] and [attachment:math_R.htm related documentation].
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].
[#TOC Top of Page]
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.
For a full documentation on DLV please check the official [http://www.dlvsystem.com web page].
[#TOC 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 [http://con.fusion.at/dlvhex/ here].
[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]
History
- 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.
[#TOC Top of Page]
Selected Publications
[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.
[#TOC Top of Page]