Charles Young

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November 2009 Entries

There is a small configuration issue with the Microsoft Business Rules Composer in BizTalk Server 2009. This will only affect you if you deploy the rules engine by itself without the rest of BizTalk Server. In a full installation of BizTalk Server, BTS provides a set of BTS-specific Rule Framework components in as assembly called Microsoft.BizTalk.RuleEngin... This includes a RuleSetDeploymentDriver component that manages deployment of rules via the SQL Server repository. The BTS-specific ......

Hot on the heels of one CTP (StreamInsight) and timed to coincide with the opening day of the PDC, Microsoft has just released the latest version of the technology formally known as 'Oslo'. SQL Server Modelling, as we must now learn to call it, has several improvements over the previous CTP release last May. Indeed, the previous CTP was characterised by behind-the-scenes code improvements and rewrites rather than new functionality. It is therefore doubly reassuring to see the slew of new features. ......

Microsoft has just released the November CTP (CTP 3) of StreamInsight. See http://www.microsoft.com/do... I've encountered some confusion from more than one person about the status of StreamInsight, so let me explain briefly that a CTP is a Community Technology Preview. It's not a beta as such. CTPs are closely aligned with the shorter iterative development cycles of agile methodologies. Many Microsoft product teams ......

The vexed question of language performance came up a couple of times at the ORF conference last month. I've written up my viewpoint on this at http://geekswithblogs.net/c... All flames welcome :-) ......

Alexandre Alves wrote an interesting article on CEP extensions for Logic Programming (see http://adcalves.wordpress.c... in which he mentions the use of Rete-based rules engines. I gave a presentation at a conference last week (October Rules Fest 2009) on the differences and similarities between various event stream processing (ESP) approaches and the Rete algorithm. I had a slide that is not very different in intent to Alexandre's post. I also ......