A declarative approach to business rules in contracts: courteous logic programs in XML
Proceedings of the 1st ACM conference on Electronic commerce
Automated negotiation from declarative contract descriptions
Proceedings of the fifth international conference on Autonomous agents
A Classification Framework of Multidimensional, Multi-Unit Procurement Negotiations
DEXA '00 Proceedings of the 11th International Workshop on Database and Expert Systems Applications
A Formal Yet Practical Approach to Electronic Commerce
COOPIS '99 Proceedings of the Fourth IECIS International Conference on Cooperative Information Systems
Supporting Dynamic Constraints for Commerce Negotiations
WECWIS '00 Proceedings of the Second International Workshop on Advance Issues of E-Commerce and Web-Based Information Systems (WECWIS 2000)
The rule markup language: RDF-XML data model, XML schema hierarchy, and XSL transformations
INAP'01 Proceedings of the Applications of prolog 14th international conference on Web knowledge management and decision support
Constraint Databases
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This paper discusses about electronic commerce trading merchandises having multiple and various incentives. Incentives here mean sellers' conditions for promoting certain types of merchandises. Typical examples of incentives are discounts on not-popular items. Buyers need to compare not only prices and contents but also incentives, and know reasons why one product is expensive than others. In this paper, we introduce a framework to support selections of multiple-incentive merchandises, by representing incentives using constraints, and offering constraint search mechanism to examine and compare those incentives. A typical example of multiple-incentive merchandises is airline tickets, where various prices are supplied according to restrictions. We show how complex incentives of airline tickets can be represented as constraints and can be queried using dynamic constraint databases.