RQL project

Rule-based Systems for Creation of Web-services  



The project is carried out in collaboration with

Institute of Cybernetics at Tallinn University of Technology (TTU) (contractor)
Institute of Computer Science of TTU
Sampo Baltic Asset Management  Ltd
Cell Networks Ltd

Enterprise Estonia logo
This project is partly supported
by  Enterprise Estonia funding.


Goal of the project:
The goal of the project is to create a new practically useful
rule-based database technology in order to make easy XML-based
integration of different databases in several application domains.



Duration of the project:  March 2004 - September 2005


The project team:
Hele-Mai Haav (RQL Project Manager)
Tanel Tammet
Vello Kadarpik
Marko Kaaramees

Results of  the project:
1. The first version of logic-based rule languages RCL and RQL
2. Rule-server integrated to SQL server via XML-based interface
3. A pilot application project in Sampo Baltic Asset Management Ltd: portfolio management system
4. The second improved version of rule-server intergrated with PostgreSQL database system
5. A pilot technology for synthesis of web services for Cell Networks Ltd based on X-road web services examples

Xstone/rql: a minimal web service server extended with  business-rule system
is available as an open source software at http://www.ttu.ee/it/xstone/

The XSTONE/RQL suite is covered by GPL.

Download the xstone/rql or get more information at http://www.ttu.ee/it/xstone