In this blog entry I’ll look at Drools/JBoss Rules implementation of Alpha and Beta Nodes indexing. How such an index looks like. When it is created. What are the benefits. Some examples are also given.
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The Salary Calculator is designed to help you get a hold of your finances. Use the tools listed below to help you plan for the future, or possibly just dream about what could be...
This is an overview of AmonI research projects that are either currently active or likely to be active again. Both Alwyn Barry and Joanna Bryson maintain complete lists of former student projects, click those links to see them. The sofware associated with
"Better performance and a new rules-development front end for non-programmers highlight the latest release of Red Hat's JBoss rules management engine. JBoss Rules 4.0, which is based on the open source Drools project, also has a new Eclipse-based develope
Better performance and a new rules-development front end for non-programmers highlight the latest release of Red Hat's JBoss rules management engine. JBoss Rules 4.0, which is based on the open source Drools project, also has a new Eclipse-based developer
Considering that a high-end BRMS (Business Rule Management System) costs about US$50,000 just to get started, and that annual maintenance, runtime fees, and professional services can drive the total toward a hefty half-million or more, organizations on a
When you work from home, it can be difficult to keep work and personal life from blending into one big mess. Work demands bleed into every waking hour. Friends and family, assuming you’re not really busy, invite you out to lunch or ask you to help with
One consistent question we get from outside the CEP market is: what is the difference between a “standard” Business Rules Engine (or BRE) and a (rule-driven) Complex Event Processing engine? This is particularly interesting because a rule-based CEP en
Drools is an enhanced Rules Engine implementation based on the ReteOO algorithm, an algorithm adapted from the one originally devised by Charles Forgy. Drools has become quite popular due to performance characteristics and it’s natural language semantic
The Rule Builder is the rule authoring and testing tool of the QuickRules.NET BRMS. The Builder provides a simple user interface to build, test, and save rules for deployment. The Builder enables you to do the following:
New editors for Rule, Task, Decision, Definitions support a single screen editing interface with * Unlimited undo-redo support * Assisted typing and Intellisense * Complete keyboard support for building complex expressions * IDE like expression building,
This package is the backport of java.util.concurrent API, introduced in Java 5.0 and further refined in Java 6.0, to older Java platforms. The backport is based on public-domain sources from the JSR 166 CVS repository, the dl.util.concurrent package, and
I made a decision to discontinue the Cut The Knot column. The column has a distinction of having straddled two decades, two centuries, and in fact, two millennia. It was never meant to last that long. I thank all the readers who cared to send me their sug
This article gives a practical introduction into the language Xcerpt, guided by many examples for illustrating language constructs and usage. Xcerpt is a rule-based, declarative query and transformation language for XML data. In Xcerpt, queries and the (r
Abstract: Set-oriented constructs for forward chaining rule-based systems are presented in this paper. These constructs allow arbitrary amounts of data to be matched and changed within the execution of a single rule. Second order tests on the data can be
The Rete Algorithm [References] is intended to improve the speed of forward-chained rule systems by limiting the effort required to recompute the conflict set after a rule is fired. Its drawback is that it has high memory space requirements. It takes adva
BI stands for Business Intelligence, which to some will sound suspiciously similar to Groucho’s famous comment. But in reality BI is more to do with providing the right “Business Information” to people who need it (i.e. business analysts), and there