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	<title>Karl Reinsch's Blog &#187; rules</title>
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	<link>http://karlreinsch.com</link>
	<description>programming models, inference engines, AI, whatever</description>
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		<title>Pac-Man, How Does It Work?</title>
		<link>http://karlreinsch.com/2010/12/08/pac-man-works-how-does-it-work/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=pac-man-works-how-does-it-work</link>
		<comments>http://karlreinsch.com/2010/12/08/pac-man-works-how-does-it-work/#comments</comments>
		<pubDate>Wed, 08 Dec 2010 13:00:10 +0000</pubDate>
		<dc:creator>Karl W. Reinsch</dc:creator>
				<category><![CDATA[AI]]></category>
		<category><![CDATA[games]]></category>
		<category><![CDATA[rules]]></category>
		<category><![CDATA[video games]]></category>
		<category><![CDATA[magnets...how do they work?]]></category>
		<category><![CDATA[Ms. Pac-Man]]></category>
		<category><![CDATA[Pac-Man]]></category>

		<guid isPermaLink="false">http://karlreinsch.com/?p=1453</guid>
		<description><![CDATA[Speaking of game AI&#8230;two Pac-Man-related links are making the blog rounds these days &#8211; one of them is new. The new one is Chad Birch&#8217;s &#8220;Understanding Pac-Man Ghost Behavior&#8221;. It is clear and well illustrated. As Chad points out, he was inspired by and used Jamey Pittman&#8217;s &#8220;Pac-Man Dossier&#8221;. This is a nice resource. It [...]
Related posts:<ol>
<li><a href='http://karlreinsch.com/2010/08/02/games-as-a-killer-app-for-ai/' rel='bookmark' title='Games As A Killer App For AI'>Games As A Killer App For AI</a></li>
<li><a href='http://karlreinsch.com/2009/08/06/learning-to-play-mario-bros/' rel='bookmark' title='Learning To Play Mario Bros.'>Learning To Play Mario Bros.</a></li>
<li><a href='http://karlreinsch.com/2010/01/07/another-net-rete-implementation-nruler/' rel='bookmark' title='Another .NET Rete Implementation &#8211; NRuler'>Another .NET Rete Implementation &#8211; NRuler</a></li>
</ol>]]></description>
		<wfw:commentRss>http://karlreinsch.com/2010/12/08/pac-man-works-how-does-it-work/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>WF Rules: Unleashing The Rule Engine Within .NET</title>
		<link>http://karlreinsch.com/2010/10/18/wf-rules-unleashing-the-rule-engine-within-dot-net/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=wf-rules-unleashing-the-rule-engine-within-dot-net</link>
		<comments>http://karlreinsch.com/2010/10/18/wf-rules-unleashing-the-rule-engine-within-dot-net/#comments</comments>
		<pubDate>Mon, 18 Oct 2010 12:45:07 +0000</pubDate>
		<dc:creator>Karl W. Reinsch</dc:creator>
				<category><![CDATA[.NET]]></category>
		<category><![CDATA[AI]]></category>
		<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[rules]]></category>
		<category><![CDATA[C#]]></category>
		<category><![CDATA[Microsoft Windows]]></category>
		<category><![CDATA[rule engine]]></category>
		<category><![CDATA[WF Rules]]></category>
		<category><![CDATA[Windows Workflow Foundation]]></category>

		<guid isPermaLink="false">http://karlreinsch.com/?p=1337</guid>
		<description><![CDATA[I have written previously about WF Rules, the rule engine that ships in .NET. As I have described, this rule engine is bundled in .NET versions 3.0 and higher, and is included in the default installation of Windows Vista and Windows 7. (If you are using .NET 4.0, you need the Extended / Full install [...]
Related posts:<ol>
<li><a href='http://karlreinsch.com/2010/01/11/have-you-implemented-backward-chaining-on-a-microsoft-rule-engine/' rel='bookmark' title='Have You Implemented Backward Chaining On A Microsoft Rule Engine?'>Have You Implemented Backward Chaining On A Microsoft Rule Engine?</a></li>
<li><a href='http://karlreinsch.com/2010/06/01/microsoft-rule-engine-survey/' rel='bookmark' title='Microsoft Rule Engine Survey'>Microsoft Rule Engine Survey</a></li>
<li><a href='http://karlreinsch.com/2010/03/17/rules-in-wf4/' rel='bookmark' title='Rules In WF4'>Rules In WF4</a></li>
</ol>]]></description>
		<wfw:commentRss>http://karlreinsch.com/2010/10/18/wf-rules-unleashing-the-rule-engine-within-dot-net/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Games As A Killer App For AI</title>
		<link>http://karlreinsch.com/2010/08/02/games-as-a-killer-app-for-ai/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=games-as-a-killer-app-for-ai</link>
		<comments>http://karlreinsch.com/2010/08/02/games-as-a-killer-app-for-ai/#comments</comments>
		<pubDate>Mon, 02 Aug 2010 13:00:54 +0000</pubDate>
		<dc:creator>Karl W. Reinsch</dc:creator>
				<category><![CDATA[AI]]></category>
		<category><![CDATA[games]]></category>
		<category><![CDATA[rules]]></category>
		<category><![CDATA[video games]]></category>
		<category><![CDATA[artificial intelligence]]></category>
		<category><![CDATA[expert systems]]></category>
		<category><![CDATA[John E. Laird]]></category>
		<category><![CDATA[Michael van Lent]]></category>
		<category><![CDATA[rule engines]]></category>
		<category><![CDATA[videogames]]></category>

		<guid isPermaLink="false">http://karlreinsch.com/?p=273</guid>
		<description><![CDATA[It has been ten years to the day since John E. Laird and Michael van Lent published their paper &#8220;Human-level AI&#8217;s Killer Application: Interactive Computer Games&#8221;. In ten years, what has and hasn&#8217;t changed? (Direct link to PDF at Laird&#8217;s homepage) Related posts: Knowledge Transfer Through Video Games Datamining Games Pac-Man, How Does It Work?
Related posts:<ol>
<li><a href='http://karlreinsch.com/2009/10/12/knowledge-transfer-through-video-games/' rel='bookmark' title='Knowledge Transfer Through Video Games'>Knowledge Transfer Through Video Games</a></li>
<li><a href='http://karlreinsch.com/2010/02/03/datamining-games/' rel='bookmark' title='Datamining Games'>Datamining Games</a></li>
<li><a href='http://karlreinsch.com/2010/12/08/pac-man-works-how-does-it-work/' rel='bookmark' title='Pac-Man, How Does It Work?'>Pac-Man, How Does It Work?</a></li>
</ol>]]></description>
		<wfw:commentRss>http://karlreinsch.com/2010/08/02/games-as-a-killer-app-for-ai/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Microsoft Rule Engine Survey</title>
		<link>http://karlreinsch.com/2010/06/01/microsoft-rule-engine-survey/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=microsoft-rule-engine-survey</link>
		<comments>http://karlreinsch.com/2010/06/01/microsoft-rule-engine-survey/#comments</comments>
		<pubDate>Tue, 01 Jun 2010 15:12:38 +0000</pubDate>
		<dc:creator>Karl W. Reinsch</dc:creator>
				<category><![CDATA[.NET]]></category>
		<category><![CDATA[AI]]></category>
		<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[rules]]></category>
		<category><![CDATA[BizTalk]]></category>
		<category><![CDATA[BizTalk BRE]]></category>
		<category><![CDATA[BizTalk Server]]></category>
		<category><![CDATA[expert systems]]></category>
		<category><![CDATA[Microsoft BRE]]></category>
		<category><![CDATA[rule engine]]></category>
		<category><![CDATA[WF]]></category>
		<category><![CDATA[Windows Workflow Foundation]]></category>

		<guid isPermaLink="false">http://karlreinsch.com/?p=1326</guid>
		<description><![CDATA[Are you interested in helping to shape Microsoft&#8217;s future rules products? Microsoft is running a survey on rule engines in general, and its own rule products (WF Rules, MS BRE) in particular through the end of this week &#8211; June 4. (I would have blogged it yesterday, but was off due to holiday.) The survey [...]
Related posts:<ol>
<li><a href='http://karlreinsch.com/2010/02/05/microsoft-rule-engines/' rel='bookmark' title='Microsoft&#8217;s Rule Engines'>Microsoft&#8217;s Rule Engines</a></li>
<li><a href='http://karlreinsch.com/2010/01/11/have-you-implemented-backward-chaining-on-a-microsoft-rule-engine/' rel='bookmark' title='Have You Implemented Backward Chaining On A Microsoft Rule Engine?'>Have You Implemented Backward Chaining On A Microsoft Rule Engine?</a></li>
<li><a href='http://karlreinsch.com/2008/12/06/thanks-to-the-bre-survey-participants/' rel='bookmark' title='Thanks to the BRE survey participants'>Thanks to the BRE survey participants</a></li>
</ol>]]></description>
		<wfw:commentRss>http://karlreinsch.com/2010/06/01/microsoft-rule-engine-survey/feed/</wfw:commentRss>
		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>Rules In WF4</title>
		<link>http://karlreinsch.com/2010/03/17/rules-in-wf4/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=rules-in-wf4</link>
		<comments>http://karlreinsch.com/2010/03/17/rules-in-wf4/#comments</comments>
		<pubDate>Wed, 17 Mar 2010 17:55:26 +0000</pubDate>
		<dc:creator>Karl W. Reinsch</dc:creator>
				<category><![CDATA[.NET]]></category>
		<category><![CDATA[AI]]></category>
		<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[rules]]></category>
		<category><![CDATA[rule engine]]></category>
		<category><![CDATA[WF]]></category>
		<category><![CDATA[WF Rules]]></category>
		<category><![CDATA[Windows Workflow Foundation]]></category>

		<guid isPermaLink="false">http://karlreinsch.com/?p=1245</guid>
		<description><![CDATA[My blog stats show trending topics around searches for &#8220;wf4 rule engine&#8221; and &#8220;wf rule engine&#8221; and &#8220;wf rules&#8221; among other variations. If those topics are leading people to this blog, then I might as well address the topic directly. What Is WF? For those who don&#8217;t know what the queries above mean &#8211; it [...]
Related posts:<ol>
<li><a href='http://karlreinsch.com/2010/10/18/wf-rules-unleashing-the-rule-engine-within-dot-net/' rel='bookmark' title='WF Rules: Unleashing The Rule Engine Within .NET'>WF Rules: Unleashing The Rule Engine Within .NET</a></li>
<li><a href='http://karlreinsch.com/2010/02/05/microsoft-rule-engines/' rel='bookmark' title='Microsoft&#8217;s Rule Engines'>Microsoft&#8217;s Rule Engines</a></li>
<li><a href='http://karlreinsch.com/2010/06/01/microsoft-rule-engine-survey/' rel='bookmark' title='Microsoft Rule Engine Survey'>Microsoft Rule Engine Survey</a></li>
</ol>]]></description>
		<wfw:commentRss>http://karlreinsch.com/2010/03/17/rules-in-wf4/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Using A Rule Engine For Hacking</title>
		<link>http://karlreinsch.com/2010/03/17/using-a-rule-engine-for-hacking/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=using-a-rule-engine-for-hacking</link>
		<comments>http://karlreinsch.com/2010/03/17/using-a-rule-engine-for-hacking/#comments</comments>
		<pubDate>Wed, 17 Mar 2010 15:40:21 +0000</pubDate>
		<dc:creator>Karl W. Reinsch</dc:creator>
				<category><![CDATA[AI]]></category>
		<category><![CDATA[rules]]></category>
		<category><![CDATA[Charles Forgy]]></category>
		<category><![CDATA[CLIPS]]></category>
		<category><![CDATA[monkey and bananas]]></category>
		<category><![CDATA[OPS5]]></category>
		<category><![CDATA[Phrack]]></category>
		<category><![CDATA[rule engine]]></category>

		<guid isPermaLink="false">http://karlreinsch.com/?p=1231</guid>
		<description><![CDATA[I was interested to stumble upon an issue of the hacker zine Phrack dating back to 2000 which includes a tutorial on building a vulnerability scanning system used for hacking&#8230;that includes a rule engine. The article mentions a number of things you would expect: Rete, OPS5, CLIPS, Charles Forgy, Daniel Miranker and even the monkey [...]
Related posts:<ol>
<li><a href='http://karlreinsch.com/2010/01/06/another-dormant-net-rule-engine-project-simple-rule-engine/' rel='bookmark' title='Another Dormant .NET Rule Engine Project: Simple Rule Engine'>Another Dormant .NET Rule Engine Project: Simple Rule Engine</a></li>
<li><a href='http://karlreinsch.com/2008/10/31/monkey-and-bananas-2-the-revenge/' rel='bookmark' title='Monkey and Bananas 2: The Revenge'>Monkey and Bananas 2: The Revenge</a></li>
<li><a href='http://karlreinsch.com/2010/10/18/wf-rules-unleashing-the-rule-engine-within-dot-net/' rel='bookmark' title='WF Rules: Unleashing The Rule Engine Within .NET'>WF Rules: Unleashing The Rule Engine Within .NET</a></li>
</ol>]]></description>
		<wfw:commentRss>http://karlreinsch.com/2010/03/17/using-a-rule-engine-for-hacking/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Microsoft&#8217;s Rule Engines</title>
		<link>http://karlreinsch.com/2010/02/05/microsoft-rule-engines/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=microsoft-rule-engines</link>
		<comments>http://karlreinsch.com/2010/02/05/microsoft-rule-engines/#comments</comments>
		<pubDate>Fri, 05 Feb 2010 16:51:04 +0000</pubDate>
		<dc:creator>Karl W. Reinsch</dc:creator>
				<category><![CDATA[.NET]]></category>
		<category><![CDATA[AI]]></category>
		<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[rules]]></category>
		<category><![CDATA[BizTalk]]></category>
		<category><![CDATA[BizTalk BRE]]></category>
		<category><![CDATA[BizTalk Server]]></category>
		<category><![CDATA[BRMS]]></category>
		<category><![CDATA[Charles Young]]></category>
		<category><![CDATA[expert systems]]></category>
		<category><![CDATA[forward chaining]]></category>
		<category><![CDATA[Microsoft Solver Foundation]]></category>
		<category><![CDATA[Mono]]></category>
		<category><![CDATA[Mono Project]]></category>
		<category><![CDATA[MS BRE]]></category>
		<category><![CDATA[negation-as-failure]]></category>
		<category><![CDATA[rete algorithm]]></category>
		<category><![CDATA[rule engine]]></category>
		<category><![CDATA[StreamInsight]]></category>
		<category><![CDATA[the cult of rete]]></category>
		<category><![CDATA[WF]]></category>
		<category><![CDATA[WF Rules]]></category>
		<category><![CDATA[Windows Workflow Foundation]]></category>

		<guid isPermaLink="false">http://karlreinsch.com/?p=803</guid>
		<description><![CDATA[I am often asked to describe the rule engines that Microsoft ships. (The first question being: &#8220;Microsoft has rule engines?&#8221;) This question frequently comes from folks who know rules, but don&#8217;t know .NET. This post is specifically written to answer the question. Should the offerings change in the future, I will update this post as [...]
Related posts:<ol>
<li><a href='http://karlreinsch.com/2010/06/01/microsoft-rule-engine-survey/' rel='bookmark' title='Microsoft Rule Engine Survey'>Microsoft Rule Engine Survey</a></li>
<li><a href='http://karlreinsch.com/2009/05/03/biztalk-server-2009-released/' rel='bookmark' title='BizTalk Server 2009 Released'>BizTalk Server 2009 Released</a></li>
<li><a href='http://karlreinsch.com/2010/01/11/have-you-implemented-backward-chaining-on-a-microsoft-rule-engine/' rel='bookmark' title='Have You Implemented Backward Chaining On A Microsoft Rule Engine?'>Have You Implemented Backward Chaining On A Microsoft Rule Engine?</a></li>
</ol>]]></description>
		<wfw:commentRss>http://karlreinsch.com/2010/02/05/microsoft-rule-engines/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>October Rules Fest 2009 &amp; 2010</title>
		<link>http://karlreinsch.com/2010/02/03/october-rules-fest-2009-2010/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=october-rules-fest-2009-2010</link>
		<comments>http://karlreinsch.com/2010/02/03/october-rules-fest-2009-2010/#comments</comments>
		<pubDate>Thu, 04 Feb 2010 05:05:55 +0000</pubDate>
		<dc:creator>Karl W. Reinsch</dc:creator>
				<category><![CDATA[AI]]></category>
		<category><![CDATA[rules]]></category>
		<category><![CDATA[expert systems]]></category>
		<category><![CDATA[October Rules Fest]]></category>
		<category><![CDATA[ORF]]></category>
		<category><![CDATA[rule engine]]></category>

		<guid isPermaLink="false">http://karlreinsch.com/?p=1120</guid>
		<description><![CDATA[Cheers to James Owen for his stewardship of the October Rules Fest for 2008 and 2009. I was only able to attend a small portion of the 2009 conference, but those portions were quite good. The sign of a healthy conference is one where attendees return as presenters and this year had a few such [...]
Related posts:<ol>
<li><a href='http://karlreinsch.com/2008/11/03/october-rules-fest-moving-forward/' rel='bookmark' title='October Rules Fest: Moving Forward'>October Rules Fest: Moving Forward</a></li>
<li><a href='http://karlreinsch.com/2008/11/17/october-rules-fest-providing-feedback/' rel='bookmark' title='October Rules Fest: Providing Feedback'>October Rules Fest: Providing Feedback</a></li>
<li><a href='http://karlreinsch.com/2008/11/04/october-rules-fest-day-1/' rel='bookmark' title='October Rules Fest: Day 1'>October Rules Fest: Day 1</a></li>
</ol>]]></description>
		<wfw:commentRss>http://karlreinsch.com/2010/02/03/october-rules-fest-2009-2010/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Have You Implemented Backward Chaining On A Microsoft Rule Engine?</title>
		<link>http://karlreinsch.com/2010/01/11/have-you-implemented-backward-chaining-on-a-microsoft-rule-engine/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=have-you-implemented-backward-chaining-on-a-microsoft-rule-engine</link>
		<comments>http://karlreinsch.com/2010/01/11/have-you-implemented-backward-chaining-on-a-microsoft-rule-engine/#comments</comments>
		<pubDate>Mon, 11 Jan 2010 19:27:53 +0000</pubDate>
		<dc:creator>Karl W. Reinsch</dc:creator>
				<category><![CDATA[.NET]]></category>
		<category><![CDATA[AI]]></category>
		<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[rules]]></category>
		<category><![CDATA[backward chaining]]></category>
		<category><![CDATA[BizTalk BRE]]></category>
		<category><![CDATA[expert system]]></category>
		<category><![CDATA[rule engine]]></category>
		<category><![CDATA[WF Rules]]></category>

		<guid isPermaLink="false">http://karlreinsch.com/?p=892</guid>
		<description><![CDATA[Every so often I hear about a &#8220;friend of a friend&#8221; who has implemented a backward chaining project with one of the Microsoft rule engines (WF Rules, BizTalk MS BRE). However, the details usually fail to materialize. If you have worked on such a system, or know someone who has &#8211; please contact me using [...]
Related posts:<ol>
<li><a href='http://karlreinsch.com/2010/01/07/who-said-it-any-backward-chaining-engine-must-eventually/' rel='bookmark' title='Who Said It? &#8220;any backward chaining engine must eventually&#8230;&#8221;'>Who Said It? &#8220;any backward chaining engine must eventually&#8230;&#8221;</a></li>
<li><a href='http://karlreinsch.com/2010/01/07/on-chaining/' rel='bookmark' title='On Chaining'>On Chaining</a></li>
<li><a href='http://karlreinsch.com/2010/02/05/microsoft-rule-engines/' rel='bookmark' title='Microsoft&#8217;s Rule Engines'>Microsoft&#8217;s Rule Engines</a></li>
</ol>]]></description>
		<wfw:commentRss>http://karlreinsch.com/2010/01/11/have-you-implemented-backward-chaining-on-a-microsoft-rule-engine/feed/</wfw:commentRss>
		<slash:comments>6</slash:comments>
		</item>
		<item>
		<title>On Chaining</title>
		<link>http://karlreinsch.com/2010/01/07/on-chaining/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=on-chaining</link>
		<comments>http://karlreinsch.com/2010/01/07/on-chaining/#comments</comments>
		<pubDate>Thu, 07 Jan 2010 23:24:36 +0000</pubDate>
		<dc:creator>Karl W. Reinsch</dc:creator>
				<category><![CDATA[AI]]></category>
		<category><![CDATA[rules]]></category>
		<category><![CDATA[backward chaining]]></category>
		<category><![CDATA[Charles Forgy]]></category>
		<category><![CDATA[Fair Isaac]]></category>
		<category><![CDATA[forward chaining]]></category>
		<category><![CDATA[rule engine]]></category>
		<category><![CDATA[RulesPower]]></category>

		<guid isPermaLink="false">http://karlreinsch.com/?p=878</guid>
		<description><![CDATA[One of the recurring topics in the rules world is forward chaining vs. backward chaining &#8211; how they compare, when to use one or the other, and which implementations even offer back chaining. I suspect that a lot of the confusion around backward chaining is simply due to the fact that most folks haven&#8217;t implemented [...]
Related posts:<ol>
<li><a href='http://karlreinsch.com/2010/01/07/who-said-it-any-backward-chaining-engine-must-eventually/' rel='bookmark' title='Who Said It? &#8220;any backward chaining engine must eventually&#8230;&#8221;'>Who Said It? &#8220;any backward chaining engine must eventually&#8230;&#8221;</a></li>
<li><a href='http://karlreinsch.com/2010/01/11/have-you-implemented-backward-chaining-on-a-microsoft-rule-engine/' rel='bookmark' title='Have You Implemented Backward Chaining On A Microsoft Rule Engine?'>Have You Implemented Backward Chaining On A Microsoft Rule Engine?</a></li>
<li><a href='http://karlreinsch.com/2010/02/05/microsoft-rule-engines/' rel='bookmark' title='Microsoft&#8217;s Rule Engines'>Microsoft&#8217;s Rule Engines</a></li>
</ol>]]></description>
		<wfw:commentRss>http://karlreinsch.com/2010/01/07/on-chaining/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
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