Category Archives: DMN

Decision Modeling: LEGO Style

Recently I helped one of our larger customers to build a set of their business decision models. At the end I said that now they can continue to assemble new decision models themselves. Then one of their business analysts said … Continue reading

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Defining DMN Knowledge and Information Requirements Automatically

Knowledge and Information Requirements are essential components of the current version of the DMN standard, which defines them in the section 6.2.2 as follows:

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Calculating Aggregated Values for Collections of Business Objects

The latest DMCommunity.org Challenge “Classify Department Employees” deals with calculation of aggregated values for arrays of business objects such as Employees. Below I describe an OpenRules solution for this challenge.

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Book “DMN in Action with OpenRules” – Free Chapters

Based on the growing interest in the book “DMN in Action with OpenRules“, we decided to make the first 3 chapters available for free. Please click here to read/download them in the PDF format. You also may download the entire … Continue reading

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Transforming DMN XML to OpenRules

OpenRules already can read and execute decision models represented in the DML XML format with certain restrictions. The new release will be more powerful in this respect. To test new DMN-to-OpenRules capabilities I decided to implement DMCommunity’s June-2017 Challenge using the DMN … Continue reading

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Loosely Coupled Decision Models for Loan Origination

DMCommunity.org June-2017 Challenge is looking for the best decision models that implement a well-known Loan Origination problem described in in the Section 11 of the DMN specification. So, I decided to address this challenge using the core DMN constructs implemented in OpenRules. I … Continue reading

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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

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