Foundations of deductive databases and logic programming
Foundations of deductive databases and logic programming
A rule-based approach for the design and implementation of information systems
EDBT '94 Proceedings of the 4th international conference on extending database technology: Advances in database technology
A Deductive Approach to Program Synthesis
ACM Transactions on Programming Languages and Systems (TOPLAS)
Active Database Systems: Triggers and Rules for Advanced Database Processing
Active Database Systems: Triggers and Rules for Advanced Database Processing
Journal of Automated Reasoning
Active Databases as a Paradigm for Enhanced Computing Environments
VLDB '83 Proceedings of the 9th International Conference on Very Large Data Bases
A Deductive Object-Oriented Approach to Information System Modeling
ADBIS '95 Proceedings of the Second International Workshop on Advances in Databases and Information Systems
Logic-based Web Services Composition: From Service Description to Process Model
ICWS '04 Proceedings of the IEEE International Conference on Web Services
The Description Logic Handbook
The Description Logic Handbook
HTN planning for Web Service composition using SHOP2
Web Semantics: Science, Services and Agents on the World Wide Web
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Development of web-based applications needs tools in order to make the application development more effective by using/re-using business rules as well as web services. These tools should incorporate facilities for capturing different semantic aspects of an application. This paper presents a new conceptual and technological framework of using a rule language and rule engine for capturing semantics in modern web-based systems. The framework enables to cover two aspects of semantics in web-based systems: business rules and web service composition logic. The technology consists of 2 main parts: the application server Xstone for creating 3-layered systems and the RqlGandalf rule solver. The middleware server Xstone connects to Oracle, PostgreSQL databases and the RqlGandalf rule system. The RqlGandalf rule system is targeted for two different tasks: defining and using business logic rules as well as for rule-based synthesis of complex queries over web services. The presented rule-based system development technology is implemented for the Linux platform as open source software.