Category Archives: Tools and Technologies

Solving Flight Rebooking Challenge With and Without Programming Constructs

DMCommunity.org announced its Challenge “Rebooking Passengers from Cancelled Flights” in Oct-2016 and until now 4 different solutions have been submitted. It is a relatively complex use case for decision modeling. In this post I will describe different implementation approaches for this … Continue reading

Posted in Decision Management, DMN, Tools and Technologies, Use Cases | 2 Comments

DMN: Iterating Over Arrays Without Explicit Loops

I consider myself among the initiators and big supporters of the DMN standard, and I do my best to help bringing the standard to the real-world business decision modeling. Naturally, the current release of DMN includes some constructs with which I … Continue reading

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Happy 14th Birthday, OpenRules!

This week during a conference call with a large potential customer I had shown them our release history. Suddenly I realized that OpenRules just passed its 14th birthday. I remember as we started in 2003 with just a few people … Continue reading

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New OpenRules Release 6.4.1 with DMN Why-Analyzer

“Imagine you had a Why Button handy whenever you encountered some disconnect in day-to-day business operations. Hit the Why Button and presto – answers appear in the form of relevant business rules” – Ron Ross, 2013 The release OpenRules Release … Continue reading

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Building a Custom Scheduler with OpenRules and JSR-331

One of the largest Japanese telecom company is successfully using OpenRules being integrated with a BPM product produced by our partner Intra-Mart. Last month this customer asked us to help with development of a custom scheduler capable to schedule thousands of … Continue reading

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Developing Custom Decision Modeling Languages with Enhanced DMN

The modern Business Rules and Decision Management Systems help users to move business logic from a code to business rules controlled by subject matter experts (not developers).  In particular, the latest Decision Model and Notation (DMN) standard [1] defines powerful … Continue reading

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OpenRules Wins 10th International Rule Challenge Award

Congratulations to OpenRules team: I’ve just learned that our “What-If Analyzer for DMN-based Decision Models” won the 10th International Rule Challenge Award. Here is the certificate:

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