Charles Young

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MVP - Microsoft Most Valuable Professional

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cnayoung Just posted on event stream and Rete processing at http://digg....1FjOnafter seeing Alexandre's post at http://digg....1FjOx about 3 days ago

cnayoung October Rules Fest 2009 over. Fantastic conference. Reports at http://digg....1FRfF about 7 days ago

cnayoung RT @OwenC: RT @WiredUK: Oh dear. The dark side of geek culture: Eminem. In Klingon. http://bit.ly/2IdWQS about 19 days ago

cnayoung Eldest daughter's 18 surprise party went well. about 27 days ago

cnayoung What a crazy world. I can't buy coffee on the train because they haven't got a paper bag. Health and safety!! about 39 days ago

cnayoung Back to Mo'bay to pick up the rental car and get our freedom. Next time we will be a bit better organised! about 79 days ago

cnayoung Travelling down the A1 between Mo'bay & Ocho Rios. Hasn't changed much in 15 years. about 81 days ago

cnayoung Shuttle launch delayed for 48 hours. Wednesday evening, now. about 117 days ago

cnayoung Just watching shuttle launch and..oh no...its been canceled again. Try again tomorrow. about 117 days ago

cnayoung @noel_g JRules (IBM), Blaze Advisor, Jess, CLIPS, Jamocha, Microsoft BRE, OPSJ and others about 117 days ago

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Microsoft Business Rules Framework

The Microsoft Business Rules Framework provides a foundation for enterprise-level management of business rules. Components, such as rule engines, repositories, translators and publishers plug into this extensible framework. Microsoft provides an efficient inferencine engine and a basic SQL Server rule repository, together with a Rule Composer tool for defining and storing rules within the repository.

MS BRE: Clearing Working Memory

posted @ Tuesday, April 28, 2009 10:07 PM | Feedback (3)

Constraint Satisfaction and Rete

posted @ Tuesday, February 24, 2009 1:35 PM | Feedback (3)

MS BRE: Using Compensation handlers

Being known for my interest in rules processing, I quite often get asked to help with problems with MS BRE. A couple of days ago, I was asked to help investigate an issue occurring in production for a BizTalk Server application. Occasionally, in a fairly high throughput system, BizTalk logs an error stating that a problem has been encountered while executing a rule set. That is the only information provided, with no hint of what the problem might be, and because the issue only occurs inter

posted @ Wednesday, January 23, 2008 12:38 AM | Feedback (7)

MS BRE: The Rules Engine Update (REU) Service and Policy Execution

A question came up tonight on BizTalkGurus on my favourite subject of rule engines. I don’t blog enough these days, so this gives me an excuse. Essentially, the question concerned an incorrect, but understandable, belief that MS BRE may be using remoting to execute rule sets out-of-process. This is not the case. Here is an explanation of how it all works.

posted @ Sunday, January 13, 2008 9:58 PM | Feedback (1)

WF Rules and MS BRE - Comparing Performance

I’ve been asked a few times how the performance of WF (Windows Workflow Foundation) Rules compares with that of the Microsoft Business Rules Engine (MS BRE). Having done no testing, I could only guess at the answer. I’ve now undertaken some initial performance testing to compare WF and MS BRE, and decided to publish the results.

posted @ Sunday, August 12, 2007 11:38 PM | Feedback (8)

BizTalk Server or WF for rules and tracking?

I got an email today requesting help in deciding the appropriate selection of rule processing technology for a workflow application. I’ve got requests like this before, so I’ve decided to post a reply publically.

posted @ Thursday, July 19, 2007 8:05 PM | Feedback (7)

MS BRE: Controlling rule side effects

posted @ Monday, April 09, 2007 9:48 AM | Feedback (7)

MS BRE: Fact Identity in the Microsoft Rules Engine, or how the author chased a non-existent bug

posted @ Wednesday, April 04, 2007 10:29 PM | Feedback (7)

BizTalk Server 2006: Using .NET Classes for Orchestration Message Types

I had some discussion today with Christof Claessens about the merits of using .NET classes as orchestration message types in BizTalk Server 2006. Here are some of the reasons I came up with, and also some of the issues.

posted @ Wednesday, November 29, 2006 5:30 PM | Feedback (4)

MS BRE: Further Issues with XPath Selectors in the Microsoft Business Rules Engine

This article supplements an earlier article, posted a couple of weeks ago, on issues concerning the use of XPaths to map between the hierarchical data structure of an XML document and the relational view of 'facts' in the Microsoft Business Rules Engine. As I suggested in the introduction to that article, I have repeatedly been asked to troubleshoot MS BRE issues which turn out to be related to the use of XPaths. Earlier this week, I received another request for help. The symptoms and solu

posted @ Thursday, September 14, 2006 4:03 PM | Feedback (1)

Full Microsoft Business Rules Framework Archive