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regulation advanced-detection system (ADS) monitors trades and quotations in The Nasdaq Stock Market to identify patterns and practices of behavior of potential regulatory interest. ADS has been in operational use at NASD Regulation since the summer of 1997 by several groups of analysts, processing approximately 2 million transactions a day, generating over(More)
* The Securities Observation, News Analysis, and Regulation (SONAR) system was developed by NASD to monitor the Nasdaq, Over the Counter (OTC), and Nasdaq-Liffe (futures) stock markets for potential insider trading and fraud through misrepresentation. SONAR has been in operational use at NASD since December 2001, processing approximately 10,000 news wires(More)
This paper presents Disciple-COA, the most recent learning agent shell developed in the Disciple framework that aims at changing the way an intelligent agent is built: from " being programmed " by a knowledge engineer, to " being taught " by a domain expert. Disciple-COA can collaborate with the expert to develop its knowledge base consisting of a(More)
This paper presents a successful knowledge acquisition experiment in which subject matter experts that did not have any prior knowledge engineering experience succeeded to teach the Disciple-COA agent how to critique courses of action, a challenge problem addressed by the DARPA's High Performance Knowledge Bases program. We first present the COA challenge(More)
This paper presents a general framework for the empirical evaluation of mixed-initiative knowledge base development methods and tools. It also illustrates it with a knowledge acquisition experiment performed to validate a mixed-initiative method for acquiring problem solving rules directly from a subject matter expert. The main feature of this framework is(More)
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