Seems that each agent will have a session created based on different knowledge that can be dinamically modified.
2009/8/22 Russ Abbott <[email protected]> > Thanks Greg, That sounds quite promising. I've never used Drools and can't > say how the Rete network will be organized. In fact, before your message I > wasn't aware that Drools allows multiple Rete networks. If that's the case > it seems to make a lot of sense for each agent to have its own. Since the > agents are supposed to be individual and disjoint I was imagining that I'd > have to code an agent's id into its rules to limit those rules from being > applied to other agents. But multiple Rete networks sounds much much > better! It would be even better if each agent could run its rules > asynchronously in its own thread. Is something like that possible: multiple > threads of rule evaluators running on a single workspace? > > -- Russ > > > > > On Sat, Aug 22, 2009 at 9:26 PM, Greg Barton <[email protected]>wrote: > >> Yes, rules can be manipulated at runtime. The class org.drools.RuleBase >> has methods for adding Packages and removing Packages and individual rules, >> and can be called at runtime as demonstrated by Mark in this jira post: >> >> https://jira.jboss.org/jira/browse/JBRULES-1431 >> >> I haven't tried it myself, but now that the subject has come up I probably >> will. :) >> >> As for the best approach to do this, I'd suggest that you have your own >> rule representation that generates DRL, then compile that DRL in the >> standard way using the PackageBuilder. On first blush it may seem best or >> more elegant to try creating Rule objects directly, circumventing the >> PackageBuilder, but that's a waste of time in my opinion. (The main focus >> for support from the drools team is the language and other "external" parts >> of the system.) >> >> So, how will agents interact in your system? Will each have it's own rete >> network? Or will several agents share a rete? >> >> --- On Sat, 8/22/09, Russ Abbott <[email protected]> wrote: >> >> > From: Russ Abbott <[email protected]> >> > Subject: Re: [rules-users] Using Drools for modeling with rule-driven >> agents >> > To: "Greg Barton" <[email protected]> >> > Cc: [email protected], "Antony W. Iorio" < >> [email protected]>, "HusseinAbbass" <[email protected]> >> > Date: Saturday, August 22, 2009, 10:15 PM >> > That's a possibility. But the >> > underlying capability comes first. Can we do it in Drools? >> > Has anyone done it, and if so would you be willing to share >> > your experience? >> > >> > -- Russ >> > >> > >> > >> > On Sat, Aug 22, 2009 at 6:50 PM, >> > Greg Barton <[email protected]> >> > wrote: >> > >> > >> > This wouldn't happen to involve evolutionary pressures >> > altering rules, would it? >> > >> > >> > >> > --- On Sat, 8/22/09, Russ Abbott <[email protected]> >> > wrote: >> > >> > >> > >> > > From: Russ Abbott <[email protected]> >> > >> > > Subject: [rules-users] Using Drools for modeling with >> > rule-driven agents >> > >> > > To: [email protected] >> > >> > > Cc: "Antony W. Iorio" <[email protected]>, >> > "Abbass, Hussein" <[email protected]> >> > >> > > Date: Saturday, August 22, 2009, 5:52 PM >> > >> > > >> > >> > > Hi, >> > >> > > >> > >> > > I'm interested in developing (if it doesn't >> > already >> > >> > > exist) and then using a framework for agent-based >> > modeling >> > >> > > in which the agents are rule driven. An important >> > feature is >> > >> > > that the agents and their rules must be dyanically >> > >> > > manipulable. That is, both the agents and the rules >> > must be >> > >> > > first class objects that can be manipulated as the >> > system is >> > >> > > running. Can Drools support that? >> > >> > > >> > >> > > >> > >> > > >> > >> > > >> > >> > > As someone not familiar with Drools I did my best to >> > find >> > >> > > out by looking at the Drools >> > >> > > Expert User's Manual. From what I could tell, the >> > Template >> > >> > > feature in which one uses Java objects as Template >> > data >> > >> > > sources comes close. I'd like your advice >> > before >> > >> > > putting too much development effort into attempting to >> > use >> > >> > > it for that purpose. >> > >> > > >> > >> > > >> > >> > > >> > >> > > >> > >> > > In particular, would it be possible to set up a >> > mechanism >> > >> > > that could: create and delete agents on the fly; >> > associate >> > >> > > rule sets with agents on the fly; and modify the >> > rules >> > >> > > associated with an agent on the fly? After each >> > such >> > >> > > action the system would change to reflect the change >> > in >> > >> > > agents and rules. >> > >> > > >> > >> > > >> > >> > > >> > >> > > >> > >> > > Thanks for your help. >> > >> > > >> > >> > > -- Russ Abbott >> > >> > > >> > >> > > P.S. If Drools would not be a good choice, is there >> > some >> > >> > > other system that you could recommend? >> > >> > > >> > >> > > >> > >> > > >> > >> > > >> > >> > > -----Inline Attachment Follows----- >> > >> > > >> > >> > > _______________________________________________ >> > >> > > rules-users mailing list >> > >> > > [email protected] >> > >> > > https://lists.jboss.org/mailman/listinfo/rules-users >> > >> > > >> > >> > >> > >> > >> > >> > >> > >> > >> > >> > >> >> >> >> > > _______________________________________________ > rules-users mailing list > [email protected] > https://lists.jboss.org/mailman/listinfo/rules-users > > -- - http://salaboy.wordpress.com - http://www.jbug.com.ar - Salatino "Salaboy" Mauricio -
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