Designing a Message Handling Assistant Using the BDI Theory and Speech Act Theory

Song, Insu (2003). Designing a Message Handling Assistant Using the BDI Theory and Speech Act Theory Honours Thesis, School of Information Technology, Griffith University.

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Author Song, Insu
Thesis Title Designing a Message Handling Assistant Using the BDI Theory and Speech Act Theory
School, Centre or Institute School of Information Technology
Institution Griffith University
Publication date 2003-12-01
Thesis type Honours Thesis
Subjects 280104 Computer-Human Interaction
280213 Other Artificial Intelligence
280205 Text Processing
Abstract/Summary This thesis introduces a new approach to designing a Message Handling Assistant (MA). It presents a model of an MA and an intention extraction function for text messages, such as emails and Newsgroups articles. Based on a speech act theory and the belief-desire-intention (BDI) theory of rational agency, we define a generic MA. By interpreting intuitive descriptions of the desired behaviours of an MA using the BDI theory and speech act theory, we conjecture that intentions of messages alone provide enough information needed to capture user models and to reason how messages should be processed. To identify intentions of messages written in natural language, we develop a model of an intention extraction function that maps messages to intentions. This function is modelled in two steps. First, each sentence in a message is converted into a tuple (performative, proposition) using a dialogue act classifier. Second, the sender's intentions are formulated from the tuples using constraints for felicitous human communication. As an investigation of the use of machine learning technologies for designing the intention extraction function, four dialog act classifiers are implemented and evaluated on Newsgroups articles. The thesis also proposes a semantic communication framework, which integrates the agent and Internet technologies for automatic message composing and ontology exchange services.
Keyword agent
machine learning
message handling

Document type: Thesis
Collection: UQ Theses (non-RHD) - Open Access
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Created: Fri, 25 Feb 2005, 10:00:00 EST by Insu Song