2010/9/30 Nirmal Fernando <span dir="ltr">&lt;<a href="mailto:nirmal070125@gmail.com">nirmal070125@gmail.com</a>&gt;</span><br><div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Hi,<div><br></div><div>We are thinking of using Drools rules engine, for our application. But we have few questions, that we would really happy to get explanations about.</div><div><br></div><div>1) Is the latest version Drools 5.1 supports backward chaining? If so since which release you started to support backward chaining? </div>
</blockquote><div><br>Drools 5 supports backward chaining; Drools 4 does not.<br> </div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div><br></div><div>2) Are you using &quot;Crisp Logic&quot;? (we can only insert &quot;facts&quot; that are true/false)</div></blockquote><div><br>There is no fuzzy logic. Facts, represented by Java objects (usually JavaBean style) are, by definition, true; you never insert data representing a false proposition. <br>
 </div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div><br></div><div>3) Whether Drools allow to intermingle the RuleBase and the WorkingMemory?</div>
</blockquote><div><br>Please explain what you mean by &quot;intermingle&quot;. A Rule Base (preferably now: Knowledge Base) contains rules; you create any number of sessions from that, and each of these has its own Working Memory.<br>
 <br>-W<br></div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div><br></div><div>Hope to hear from you!</div><div><br></div><div>Thanks.<br>-- <br>Best Regards,<br>Nirmal<br><br>C.S.Nirmal J. Fernando<br>Department of Computer Science &amp; Engineering,<br>Faculty of Engineering,<br>

University of Moratuwa,<br>Sri Lanka.<div><br></div><div>Blog: <a href="http://nirmalfdo.blogspot.com/" target="_blank">http://nirmalfdo.blogspot.com/</a></div><br>
</div>
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