User list for Drools rule engine ()

headers Edson Tirelli | 1 Sep 2007 19:58

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We will be releasing 4.0.2 on the week of the 10th, so it's a quick 
release. Calling functions and static method calls with MVEL is already 
fixed. It looks like the jci/janino recursion on import bug has been 
fixed, so we'll update those for 4.0.2. The MVEL code completion and 
debug will also be fixed for 4.0.2. We will try and fix 
accumulate/collect for querries but if it gets difficult they may have 
to wait.

Mark

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We will be releasing 4.0.2 on the week of the 10th, so it's a quick
release. Calling functions and static method calls with MVEL is already
fixed. It looks like the jci/janino recursion on import bug has been
fixed, so we'll update those for 4.0.2. The MVEL code completion and
debug will also be fixed for 4.0.2. We will try and fix
accumulate/collect for querries but if it gets difficult they may have
to wait.

Mark

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=====================================================================
                        CALL FOR PARTICIPATION

                  The International RuleML Symposium
             on Rule Interchange and Applications (RuleML-2007)

                October 25-26, 2007, Orlando, Florida

*** NOTE: The early registration deadline is on 15 September 2007 ***

                        http://2007.ruleml.org

=====================================================================
Co-located with:

               The 10th International Business Rules Forum

                    http://www.businessrulesforum.com
=====================================================================

In Co-operation with:

ECCAI, AAAI, ACM, ACM SIGAPP, ACM SIGMIS, ACM SIGART, ACM SIGMOD, IEEE,
IEEE Computer TCAAS, IEEE SMCS, BPM-Forum, W3C, OMG, and OASIS

We invite you to attend the International RuleML Symposium on Rule
Interchange and Applications (RuleML-2007) to be held during October
25-26, 2007 in Orlando, Florida. As this is a 'first-of-its-kind' event,
participants can make a difference about shaping the future direction
and structure of the field, including about rule standards supporting
their own approaches and about their own possible involvement in the
organization of future events.

Co-located with the 10th International Business Rules Forum, the
International Symposium on Rule Interchange and Applications
(RuleML-2007) is the first event devoted to work on practical
distributed rule technologies and rule-based applications. These need
language standards for rules operating in the context of, e.g., the
Semantic Web, Intelligent Multi-Agent Systems, Event-Driven
Architectures and Service-Oriented Computing Applications. After a
series of successful RuleML workshops and then conferences (e.g.
http://2006.ruleml.org), this is a new kind of event where the Web Logic
community joins the established, practically oriented Forum of the
Business Rules community (http://www.businessrulesforum.com) to help
cross-fertilizing between Web and Business Logic technology.

The goal of RuleML-2007 is to bring together rule system providers,
representatives of, and participants in, rule standardization efforts
(e.g., RuleML, RIF, PRR, CL, SBVR) and open source rules communities
(e.g., jBoss Rules, Jess, Prova, OO jDREW, Mandarax, XSB, XQuery),
practitioners and technical experts, developers, users, and researchers.
It is an excellent opportunity, for experienced rule researchers/
practitioners as well as newcomers, to learn more about this
innovation-driven technology market, characterized by strong growth and
commercial opportunities. They will be offered an exciting venue to
exchange new ideas, practical developments and experiences on issues
related to the engineering, management, integration, interoperation and
interchange of rules in open distributed environments such as the Web.

The scope of RuleML-2007 covers all topics relevant to rule-based
technologies, rule interchange formats and rule-based applications as
well as discussions of lessons learned that have to be taken into
account when employing rule-based technologies in distributed,
(partially) open, heterogeneous environments.

=======================
Technical Program
=======================

The symposium will feature a strong, single-track technical program
consisting of:

         * Keynote speakers:
             * Ron Ross, Business Rules Solution LLC, USA:
               "Business Requirements for Rule Modeling"
             * Jürgen Angele, Ontoprise, Germany:
               "How Ontologies and Rules Help to Advance Automobile
               Development"
             * Adrian Bowles, OMG, USA:
               "Sharing Policy Rules for IT Governance"
             * Harold Boley, National Research Council, Canada:
               "Are Your Rules Online? Four Web Rule Essentials"

          * 2 Invited papers
          * 9 Long research papers
          * 9 Short research papers
          * Industry and demo presentations
          * Challenge with awards
          * Panel discussion on Web Business Rules

The full symposium program is available at:
http://2007.ruleml.org/index-Dateien/Page646.htm

==========================
RuleML-2007 Registration
==========================

Early Registration Deadline:   September 15, 2007
Late Registration Deadline:    after September 15, 2007
RuleML-2007 Symposium:         October 25-26, 2007

The registration page is available at:
http://2007.ruleml.org/index-Dateien/Page930.htm

As shown there, special discounts are available for our collaboration
partners and sponsors.

The symposium will be held at the Buena Vista Palace in Orlando,
Florida, near the Walt Disney World Resort. Information about
accommodation and the symposium venue is available here:

http://2007.ruleml.org/index-Dateien/Page716.htm (Venue)
http://2007.ruleml.org/index-Dateien/Page861.htm (Accommodation)

=======================
Program Committee
=======================

- Asaf Adi, IBM Research Laboratory Haifa, Israel
- Bill Andersen, Ontology Works, USA
- Grigoris Antoniou, University of Crete, Greece
- Arun Ayachitula, IBM TJ Watson Research Center, USA
- Youcef Baghdadi, Sultan Qaboos University, Oman
- Sidney Bailin, Knowledge Evolution, USA
- Claudio Bartolini, HP Labs Palo Alto, USA
- Tim Bass, SilkRoad Inc., USA
- Nick Bassiliades, Aristotle University of Thessaloniki, Greece
- Bernhard Bauer, University of Augsburg, Germany
- Leopoldo Bertossi, Carleton University, Canada
- Anthony Brown, University of New Brunswick, Canada
- Loreto Bravo, University of Edinburgh, UK
- Diego Calvanese, Free University of Bozen-Bolzano, Italy
- Donald Chapin, Business Semantics Ltd, UK
- Keith Clark, Imperial College, UK
- Jorge Cuellar, Siemens AG, Germany
- Mike Dean, BBN Technologies, USA
- Stan Devitt, Agfa Healthcare, Canada
- Jens Dietrich, Massey University, New Zeeland
- Juergen Dix, Technische Universitaet Clausthal, Germany
- Scharam Dustdar, Vienna University of Technology, Austria
- Andreas Eberhart, HP, Germany
- Maarten van Emden, University of Victoria, Canada
- Opher Etzion, IBM Research Laboratory Haifa, Israel
- Dieter Fensel, DERI Innsbruck, Austria
- Tim Finin, University of Maryland Baltimore County, USA
- Dragan Gasevic, Athabasca University, Canada
- Allen Ginsberg, MITRE, USA
- Robert Golan, DBmind Technologies, USA
- Christine Golbreich, Univ. of Versailles Saint-Quentin, France
- Guido Governatori, University of Queensland, Australia
- Sung Ho Ha, Kyungpook National University, South Korea
- Gary Hallmark, Oracle, USA
- Marek Hatala, Simon Fraser University, Canada
- Ivan Herman, W3C Semantic Web Activity, Netherlands
- Jochen Hiller, Top Logic, Germany
- David Hirtle, University of Waterloo, Canada
- Christian Huemer, Vienna University of Technology, Austria
- Jane Hunter, University of Queensland, Australia
- Elisa Kendall, Sandpiper Software, USA
- Matthias Klusch, DFKI GmbH, Saarbrücken, Germany
- Holger Lausen, DERI Innsbruck, Austria
- John Lee, Hong Kong Polytechnic University, Hong Kong
- Heiko Ludwig, IBM TJ Watson Research Center, USA
- Thomas Lukasiewicz, University Roma La Sapienza, Italy
- Christopher Matheus, Vistology, Inc., USA
- Mala Mehrota, Pragati Research, USA
- Jing Mei, IBM China Research Lab, China
- Zoran Milosevic, Deontik, Australia
- Jang Minsu, E&T Research Institute, Korea
- Leora Morgenstern, Stanford University, USA
- Joerg Mueller, TU Clausthal, Germany
- Chieko Nakabasami, Toyo University, Japan
- Matthias Nickles, Technical University Munich, Germany
- Ilkka Niemelae, Helsinki University of Technology, Finland
- Bart Orriens, Tilburg University, Netherlands
- Paula-Lavinia Patranjan, Rewerse, Germany
- Cheyne Patterson, USAchurch, USA
- Axel Polleres, DERI Galway, Irland
- Jeff Pollock, Oracle, USA
- Alun Preece, University of Aberdeen, UK
- Maher Rahmouni, HP Labs, UK
- Girish Ranganathan, University of New Brunswick, Canada
- Dave Reynolds, HP, England
- Norman Sadeh, Carnegie Mellon University, USA
- Marco Seirioe, RuleCore, Sweden
- Kai Simon, Albert-Ludwigs University Freiburg, Germany
- Michael Sintek, DFKI, Germany
- Silvie Spreeuwenberg, LibRT, Netherlands
- Giorgos Stoilos, NTU Athens, Greece
- Terrance Swift, XSB, Inc., USA
- Kuldar Taveter, University of Melbourne, Australia
- Vagan Terziyan, University of Jyvaskyla, Finland
- Paul Vincent, TIBCO Software, Inc., USA
- Kewen Wang, Griffith University, Australia
- Guizhen Yang, SRI, USA

=======================
Organizing Committee
=======================

General Chair

Said Tabet, Inferware Corp.
stabet AT ruleml.org

Program Co-Chairs

Adrian Paschke, Technical University Munich, Germany
paschke AT in.tum.de
Yevgen Biletskiy, University of New Brunswick, Canada
biletski AT unb.ca

Challenge Co-Chairs

Alexander Kozlenkov, Betfair Ltd., London, UK
alex.kozlenkov AT betfair.com
Ralph Hodgson, TopQuadrant, Inc., Mountain View, USA
rhodgson AT topquadrant.com

Panel Chair

John Hall, Model Systems, UK
john.hall AT modelsys.com

Publicity Chair

Suzette Stoutenburg, MITRE Corporation, USA
suzette AT mitre.org

=======================================================================
Sponsorship from:
-------------------
Top Logic <http://www.top-logic.com>,
Vistology <http://vistology.com/>,
Inferware <http://www.inferware.com/>
=======================================================================

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Hi Andy Mei,

In your DSL file you put some parentheses. I think it's the problem. Try
with this :

> [when]There is a person with=person:Person()
> [when]-age is at least {age} years old=age >= {age}
> [when]-age is less than {age} years old=age < {age}
> [when]-must has a name=name != "" && name != null
> [when]-id must be positive integer=id > 0

Good luck,

vdelbart
--

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View this message in context: http://www.nabble.com/DSL-field-constraint-question-tf4360996.html#a12457145
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Hi list,

     I have developed a web service for deploy my rule package, this rule  
package is in the BRMS, the source code of the web service class is:

public class ValidaLlamadaWS {

	RuleAgent agent = RuleAgent.newRuleAgent("/brmsdeployedrules.properties");
	RuleBase ruleBase = agent.getRuleBase();
	StatelessSession session = ruleBase.newStatelessSession();

	public Object[] ValidaLlamada(Integer cantsegundos){
		Validaciones validaciones = new Validaciones();
		validaciones.setCantsegundos(cantsegundos);

		session.execute(validaciones);

		return validaciones.getResult();
	}
}

The BRMS run over JBoss AS 4.2.1.GA and the web service over Apache Tomcat  
5.5 on the same machine, the rule base contain only 2 rules

The problem is that I need to call the web service more than 400.000  
times, and with 1000 times, I obtain the Java Heap Exception.
If I monitoring my machine memory, this only increase between calls. And  
the process that more memory expensive is java.exe (JBoss AS 4.2.1.GA).
The process javaw.exe (Apache Tomcat 5.5)also is expensive, but less than  
java.exe

The question are:

How I can "dispose" the objects that I use?
Is correct this use for StatelessSession?
You are the experts, any other idea for implement my web service?

PD: sorry for my bad english.

Greetings

--

-- 
Edgardo Ibañez O.
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Re: mvel bug ??

Re: check dups

Re: single result

Re: LHS functions not in eval()...

[drools-user] 4.0.2

4.0.2

CfPart: International RuleML Symposium on Rule Interchange and Applications (RuleML-2007)

Re: DSL field constraint question

Re: DSL field constraint question

Web Service deploy out of memory