Author Archives: jacobfeldman

About jacobfeldman

CTO at www.openrules.com http://www.linkedin.com/in/jacobfeldmanopenrules

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

Posted in Decision Management, DMN, Use Cases | Leave a comment

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

Posted in Decision Management, DMN, Use Cases | Leave a comment

Presenting at DecisionCAMP and BBC 2017

Soon we will participate in the major annual decision management events: DecisionCAMP in London on July 12-14 BBC in Orlando on Nov 6-10 This year I am the chair of DecisionCAMP and will give a tutorial “Decision Modeling with DMN … Continue reading

Posted in Events | Leave a comment

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

Posted in Decision Management, DMN, Tools and Technologies, Use Cases | Leave a comment

Raymond Smullyan’s Retro-Analysis and Decision Modeling

When I learned that the famous Prof. Raymond Smullyan passed away this February at the age of 97, I felt grateful to the man whose books and puzzles my friends and I enjoyed reading as young programmers many years ago. Later on we shared … Continue reading

Posted in Decision Management, Optimization, Rule Engines, Use Cases | 1 Comment

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

Posted in OpenRules Specific, Tools and Technologies | Leave a comment