Software agents for internet-based systems and their design
Intelligent agents and their applications
The VLDB Journal — The International Journal on Very Large Data Bases
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In this position paper, we discuss an architecture for developing next generation electronic brokerages using active and real-time functionalities. These electronic brokerages support timeliness requirements and allow users to express complex preferences. User preferences can be conveniently captured as Event-Condition-Action (ECA) rules. The design allows pro-active monitoring of user preferences and execution of actions in a timely manner. A proof-of-concept prototype is implemented using Java in the context of online trading. The prototype consists of three major components: Rule validator, Active Rule Manager and Event Monitor.