rule-engine

PHP Business Rule Engine

Are there any Business Rule Engine implemented in PHP ? If yes, please list them. If not, than why not, what are the reasons behind not having Business Rule Engine in PHP and having it in Java ? ...

Rule engines for java application.

i want to use some rule engines for my application which is in java. so can you suggest some good rule frameworks? ...

Aggregating automatically-generated feature vectors

Hi all, I've got a classification system, which I will unfortunately need to be vague about for work reasons. Say we have 5 features to consider, it is basically a set of rules: A B C D E Result 1 2 b 5 3 X 1 2 c 5 4 X 1 2 e 5 2 X We take a subject and get its values for A-E, then try matching the rules in sequenc...

Validation Engine....Business Rules.

Hello, subject is... I have a Linq to SQL class that i need to define a "rule engine" before saving it back to the database, this of course involves all foreign keys - associations, common, the whole object graph i created and manipulated, or value changed object from the database. Thing is, i don't have any experience on the subject a...

How to explain failure of an action with complex restrictions

I'm implementing a system where a customer can use vouchers to gain discounts for a purchase. If a voucher can be used for a certain purchase depends on several circumstances. For example: Proper voucher code - is the code correct? Validity Range - is the voucher still valid? Can the voucher be used with the type of purchase? Comb...

Most flexibilities rule engine for .NET

My upcoming project is relate to sales system, so one of the main requirement is "user can modify promotion by themselves". Promotions is vary, they give me some of them. Buy 1 get 1 free, Buy 2 get 3. One for 30%, two for 50%, three for 80% Buy product A will discount 30% for product B 20% off for more than 20$ per transaction I kno...

How do you implement Data Quality & Validation rules in a data warehouse?

I'm developing a datawarehouse to be part of my company's enterprise application suite. So I've been learning a lot about DW concepts but the rules engine seems difficult and I can't find much information about various ways to implement. The focus of the rules is to validate data quality, and also alert when certain business metrics ar...

Building an Inference Engine in Python

I am seeking direction and attempting to label this problem: I am attempting to build a simple inference engine (is there a better name?) in Python which will take a string and - 1 - create a list of tokens by simply creating a list of white space separated values 2 - categorise these tokens, using regular expressions 3 - Use a highe...

Oracle Rule Engine integration with .net

HI We are using Oracle 10g at the back end and .Net 3.5 at front end. We are planning to use the Oracle bussiness Rule Engine in our application. Does the Oracle Bussiness Rule Engine support .Net or it has only support for Java. If it support .NET, it would be great help if you can provide me details how to integrate Orcale BUssiness Ru...

Using Oracle bussiness rule with .Net

We are using Oracle 10g at the back end and .Net 3.5 at front end. We are planning to use the Oracle bussiness Rule Engine in our application. Does the Oracle Bussiness Rule Engine support .Net or it has only support for Java. If it support .NET, it would be great help if you can provide me details how to integrate Orcale BUssiness Rule ...

How to retrieve fact objects from decision tables in Drools 4.x

Hello, Our team is using Drools ruleflows for evaluations. Now we are planning to migrate to decision tables instead. In the Drools ruleflow version, we used to have DRL files that have query component to extract objects created within the context of DRL files from working memory. I'm stuck on doing the same in Decision Table? We are...

Suitable 'business rules' tool / engine for my web application.

Hello. I am unsure if this question qualifies to be here but I cannot think of a better place to go. I am building a web application that has multiple alternative paths to most of the use cases. These paths I perceive as business rules. I would like to code my application first for main scenarios and then apply alternative scenarios as ...

Rules engine for spatial and temporal reasoning?

I have an application that receives a number of datums that characterize 3 dimensional spatial and temporal processes. It then filters these datums and creates actions which are then sent to processes that perform the actions. Rinse and repeat. At present, I have a collection of custom filters that perform a lot of complicated spatial...

Aspect Oriented Programming vs List<IAction> To execute methods based on conditions

I'm new to AOP so bear with me. Consider the following scenario: A state machine is used in a workflow engine, and after the state of the application is changed, a series of commands are executed. Depending on the state, different types of commands should be executed. As I see it, one implementation is to create List<IAction> and...

How to implement a Pricing Model in Java EE - via a Rule Engine?

Hi! I'm developing a Java EE 6 application where "providers" should be able to define a price and different discounts on a service for users. There are many different providers. Each one provides the same service, the pricing models can be different. Price Model: - A provider should be able to define the price e.g. per hour, per minute...

How is parsing phase in a compiler different from a rule engine ?

Hi, I have a rough understanding of how the compilers work (I mean languages, grammars, lexical analysis, parsing etc). The rule engines have various rules and associated action, just like you have rules in the grammars and you can associate actions with them in parser-generator tools like ANTLR. So I am a bit confused on how to diffe...

using regular expression in rule set editor (WWF rule engine)

Hi, I am trying to define a rule by using Regex but the existing built-in "Rule Set Editor" does not allow me to use it. Basically I cannot use Regex within the condition box. I also have problem using parentheses; whenever I got out of the Condition box, parantheses I used are disappearing which messes up my rule condition Any idea ...

robust server side dynamic form engine for ASP.NET

I've recently implemented a simple dynamic forms engine that uses dynamically loaded ASP.NET controls in concert with an EAV schema to handle the variable nature of the data model. The business was sufficiently satisfied with the end product for a time, but is now clamoring for much more complex dynamic forms: Field visibility is tied...

Drools for Complex Display Value Lookup

The purpose of this quetion is to evaluate the reasonability of using Drools for complex display value lookup processing within a web application. I have been tasked to retrieve coverage information (from an insurance policy) stored in a vendor database and display the information within a custom web app. There are 100s of coverages an...

Building the Business Rule Engine using SQL SERVER

Hi, I have a requirement to build a Business Rule Engine. I use the SQL SERVER 2005. The business rules are massive, like 2000 pages long. eg. If col1 = 'xyz' then populate col2 otherwise not. if col3 = 'abc' and col4 = 'def' then col5 = 'ghy' etc. etc. So, I think we can't just write all those rules in if else condition in a proc...