I'm trying to locate an open source business rules engine that has a decent interface for building the rules. OR at least one that works well on the .Net platform and has been updated sometime in ...

Can you provide a good example of rule definition language written in C#. Java guys have JESS, is there anything good for C#?

One chapter in Pragmatic Programmer recommends looking at a blackboard/space-based architecture + a rules engine as a more flexible alternative to a traditional workflow system. The project I'm wo...

I have a db table that stores the following: RuleID objectProperty ComparisonOperator TargetValue 1 age 'greater_than' 15 2 username 'equal' 'some_name' 3 tags 'hasAtLeastOne' 'some_tag some_tag2'...

I'm building an app which has a feature for embedding expressions/rules in a config yaml file. So for example user can reference a variable defined in yaml file like ${variables.name == 'John'} or ...

I am using JSON descriptor to load rules using easy-rules and I want to use variables in easy rules actions. For example I have a set of rules where I define rule id, name, description as given bel...

At work, there was a discussion of using prolog as the backend for a rules engine on a web-app. How would this get tied into existing systems? Are there available prolog libraries for other langu...

I host and html site in Azure CDN (under a with Premier paid Plan) so it gives me a Rules engine, which gives a lots of features to control the flow. I would like to have URL redirect and URL rewri...

I am looking for a rules engine in C or Python, but if you know a rules engine that is implemented in another language I would be glad to know about it. The engine will be used as way to aut...

I've one .DRL file which has say 10 rules. Once I insert a fact, some rules may be matched- how do I find out which rules were matched programmatically?

I am no Drools expert. I have some familiarity with it though, by experimenting with it. I am unable to appreciate, why would i need it. My Typical Applications are Business Web Applications...

I am looking to design a system that will essentially need to make decisions based on input. The input will be a person. class Person: def __init__(self, name, age, sex, weight, height, na...

We are at the beginning of building an IoT cloud platform project. There are certain well known portions to achieve complete IoT platform solution. One of them is real-time rule processing/engine s...

In my class I have been taught the Prolog backtracking algorithm and the Rete forprop algorithm, but I have also been told that Rete can be used to do backprop. How does that work? In which ways i...

I'm using a single threaded drools project as a first-match policy/condition evaluation engine. I'm using the following code to get a kieSession from the kieContainer, and evaluate the predicate ba...

At work, we have optimization engines, and one of the inputs used by these engines are business rules, which we create and edit with a proprietary rule editor. These rules are of our own proprietar...

Assume that I have two data objects Person and Address. Person object has the fields name and gender and Address object has the fields city and state. Now I want to take some action based on this c...

I have to implement certain business rules with hundreds of lines of below code: if this then this else if then this . . // hundreds of lines of rules else that Do we have any design pattern w...

I've read a lot of documentation of JBoss Drools but cannot find a definitive answer as to if all rules are executed concurrently (certainly they are fired concurrently). More specifically, for a s...

Normally you write a query and get all the records (entities) that match it. I need to do the reverse. Let's say I have 1M customers with a couple dozen denormalized properties: public class Cust...

I work on an application, the core of which is a very complex set of web forms. The source of this complexity scale, some forms contain about 50 pages, which up to 30 questions on each page compl...

I have been doing some research on the rules engines that would be more appropriate run on a embedded system. The system will collect information from sensors and according to that information, mak...

I need a lightweight rules engine. We have around 50 rules right now, but the rules keep changing frequently. We could use Drools, but I figure that would be overkill. Are there any lighter, F/OSS...

I have created a rule whose "when" condition is as follows :- when $map: Map(this["key1"].equals("value1")) and Map(this["key2"].equals("value2")) then ... The above condition is working fine....

I am looking for suggestions for a lightweight rules engine implemented in Javascript. The reason for such an implementation is to build a very lightweight but fast browser-based simulation ...