February 2013 - rules-users - Jboss List Archives

RuleML 2013: 7th International Web Rule Symposium - Extended Call for Papers, Demos and Phd Papers

by Adrian Paschke

++++ Abstract/Paper Deadline Extended to Feb. 21st/Feb. 28th ++++++ Call for Papers, Call for Demos, Call for PhD Papers RuleML 2013: 7th International Web Rule Symposium University of Washington, Seattle,USA, July 11-13, 2013 http://2013.ruleml.org The RuleML2013 Conference is also hosting: - The 7th International Rule Challenge - The 3rd Doctoral Consortium on Rules - The OASIS Legal RuleML TC Meeting and Tutorial ================================= The annual International Web Rule … [View More]Symposium (RuleML) is an international conference on research, applications, languages and standards for rule technologies. RuleML is the leading conference for building bridges between academia and industry in the field of rules and its applications, especially as part of the semantic technology stack. It is devoted to rule-based programming and rule-based systems including production rules systems, logic programming rule engines, and business rules engines/business rules management systems; Semantic Web rule languages and rule standards (e.g., RuleML, SWRL, RIF, PRR, SBVR); Legal RuleML; rule-based event processing languages (EPLs) and technologies; hybrid rule-based methods; and research on inference rules, transformation rules, decision rules, production rules, and ECA rules. The 7th International Symposium on Rules and the Web (RuleML 2013) will be held on July 11-13, 2013 just prior to the AAAI conference at the University of Washington, Seattle, USA. Selected papers will be published in book form in the Springer Lecture Notes in Computer Science (LNCS) series. Objectives ========== RuleML-2013 will stimulate cooperation and interoperability between research and business in a community of researchers and practitioners who are interested in the theory and applications of rules. The symposium's areas of research and development have helped drive the rapid progress in technologies for practical rule and event processing. As a result, RuleML-2013 promises to be an exciting venue for the exchange of new ideas and experiences on issues related to engineering, management, integration, interoperability of rule systems, and interchange of rules in distributed enterprise, intranets, and open distributed environments. Industry practitioners, rule-system providers, users of rules, technical experts and developers, and researchers who are exploring foundational issues, developing systems and applications, or using rule-based systems are invited to share ideas, results, and experiences. Topics ======= We invite high-quality submissions related (but not limited) to one or more of the following topics: * Rules and automated reasoning * Rule-based policies, reputation, and trust * Rule-based event processing and reaction rules * Rules and the web * Fuzzy rules and uncertainty * Logic programming and nonmonotonic reasoning * Non-classical logics and the web (e.g modal and epistemic logics) * Hybrid methods for combining rules and statistical machine learning techniques (e.g., conditional random fields, PSL) * Rule transformation, extraction, and learning * Vocabularies, ontologies, and business rules * Rule markup languages and rule interchange formats * Rule-based distributed/multi-agent systems * Rules, agents, and norms * Rule-based communication, dialogue, and argumentation models * Vocabularies and ontologies for pragmatic primitives (e.g. speech acts and deontic primitives) * Pragmatic web reasoning and distributed rule inference / rule execution * Rules in online market research and online marketing * Applications of rule technologies in health care and life sciences * Legal rules and legal reasoning * Industrial applications of rules * Controlled natural language for rule encoding (e.g. SBVR, ACE, CLCE) * Standards activities related to rules * General rule topics Conference Chair ================= Adrian Paschke (Freie Universitaet Berlin, Germany) Program Chairs =============== Leora Morgenstern (Science Applications International Corporation, USA) Petros Stefaneas (NTUA, Greece) Important Dates =============== Abstract submission (extended): Feb. 21, 2013 23:59 UTC-12 Paper submission (extended): Feb. 28, 2013, 23:59 UTC-12 Notification of acceptance/rejection: April 12, 2013 Camera-ready copy due: May 3, 2013 RuleML-2013 dates: July 11-13, 2013 Submission guidelines ===================== Papers must be original contributions written in English and must be submitted at http://www.easychair.org/conferences/?conf=ruleml2013 as: * Full Papers (15 pages in the proceedings) * Short Papers (8 pages in the proceedings) Please upload all submissions in LNCS format (http://www.springer.de/comp/lncs/authors.html). To ensure high quality, submitted papers will be carefully peer-reviewed by 3 PC members based on originality, significance, technical soundness, and clarity of exposition. Selected papers will be published in book form in the Springer Lecture Notes in Computer Science (LNCS) series. 7th International Rule Challenge ========================== Open Call for Demos: http://www.csw.inf.fu-berlin.de/ruleml2013/content/7th-international-rule... Submission deadlines - RuleML-2013 Challenge: Submission deadline for demo papers and demo systems: May 3rd, 2013 Notification of accepted demo papers and demo systems: June 7th, 2013 Camera-ready deadline: June 21st, 2013 3rd Doctoral Consortium ========================== Call for PhD Papers: http://www.csw.inf.fu-berlin.de/ruleml2013/content/3rd-ruleml-doctoral-co... Submission deadlines - RuleML 2013 Doctoral Consortium: Submission deadline for demo papers and demo systems: May 3rd, 2013 Notification of accepted demo papers and demo systems: June 7th, 2013 Camera-ready deadline: June 21st, 2013 [View Less]

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Stateless or stateful knowledge session in drools server

by Tim Slonaker

Hello all, I am new to drools. My company is looking into switching from a commercial rule engine to drools. Our existing codebase is .net not Java. We are trying to integrate drools into our existing .net application by calling into a drools-server using it’s restful interface. Our current rule engine only works in a stateless mode so I am trying to figure out how to get drools-server to work in a stateless mode. I have posted before that I have been having difficulty using a … [View More]

12 years, 1 month

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Guvnor Web-guided DecisionTable - calls function with parameters from cells values

by nbe42

Hello, I'm pretty new with Guvnor (5.5) and I need some help to write a rule. I have to write a rule with the web guided decision table editor. I have in my working memory a calendar object with a function for verify if the current date is in an time interval. Now, I'm using a predicate and writes this in the cell : myCal.isInInterval("08:00","12:00") So the source code is like : WHEN eval( myCal.isInInterval("08:00","12:00") ) THEN … The problem is that it's really not user … [View More]

12 years, 1 month

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Drools upgrade from 5.1.0 to 5.5.0.Final

by SuchitraKrishna

Hello, I am trying to upgrade our project to jdk7 and in the process, upgrading from drools 5.1.0 to drools 5.5.0.Final and I have a few questions. 1. Is 5.5.0.Final compatible with jdk7 and is it the production version? 2. When I compile our code with 5.5.0.Final, I see the following compilation error /drools/util/DroolsRuleHandler.java:[58,25] setClassLoader(java.lang.ClassLoader...) has private access in org.drools.compiler.PackageBuilderConfiguration DroolsRuleHandler.java has … [View More]

12 years, 1 month

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Anyone using JSR94?

by Mark Proctor

I've asked this on the developer list, thought I'd ask it here too. Is anyone using JSR94, anyone think we should not nuke it? Mark

12 years, 1 month

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What is the correct approach towards using Drools?

by mohdejaz74

Hello, I'm working on a project which uses Drools as a component. It is connected to a web server. Every time a request arrives to web server, it in turn loads the facts and invokes fireAllRules. Facts do change over time but rules do not ... I'm bit concerned that this may not be correct of using Drools, since we are constantly doing setup /tear down. Keep facts in memory and updating them when necessary - that requires major change in the architecture of the application. I want to know - … [View More]

12 years, 1 month

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Query on web services and database stuff

by starfish15

Hello All, I am starting up on a project which requires Drools rules. I have been asked certain basic Q's. Am jotting them below 1. *Can the Drools Rule engine communicate to a DB * I know by default, drools does use the *Apache JackRabbit DB* to store respective assets and there are means to use other DBs as well. Not sure what else this Q could mean. So would really appreciate if some light can be thrown on this. What else things which could be achieved through the rules and DB connection … [View More]

12 years, 1 month

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Questions about Drools runtime & Guvnor

by Charles Moulliard

Hi, I have different questions concerning drools & guvnor. Q1 : How can Drools runtime (Knowledge builder / base) gets/collects *.brl, .drl files from Guvnor (using REST api, ....) ? Q2 : How can drools runtime being informed that rules have been modified in Guvnor Repo ? Q2 : Is there a document describing best practices to setup knowledge base (how many rules / base, ...) and sessions to be created ? Q3 : Is it a good practice to access Guvnor from Drools runtime or better to export … [View More]

12 years, 1 month

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NPE at distribution [Planner]

by André Fróes

Hello, I am getting an NPE when trying to solve a simple problem with 3 workorder and 3 engineers. ------------ Exception in thread "main" java.lang.NullPointerException at java.util.ArrayList.addAll(Unknown Source) at org.drools.planner.core.domain.solution.SolutionDescriptor.getAllFacts(SolutionDescriptor.java:178) at org.drools.planner.core.score.director.drools.DroolsScoreDirector.getWorkingFacts(DroolsScoreDirector.java:88) at org.drools.planner.core.score.director.drools.… [View More]

12 years, 1 month

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Check a set of objects for a value?

by Patrick

Hello, This is my current drool rule: rule "RULE1" when context : StaticTaskContext( taskToPerform.name == "TRANSFER", deallocatedOrder == true, currentTask != null ) then context.setRuleResult("STAYPUT"); end What I need to do is check to see if the predecessor task is of a certain value. ie: currentTask.getPredecessorTaskChains().iterate().next().getPredecessorTask.getTaskType() == "VALUE" The predecessorTaskChain is declared as: private Set<TaskChain> … [View More]

12 years, 1 month

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rules-users February 2013