Lecture
Question answer system:
l information system
l Search Engine
l Supplemental
l Intellectual
l uses natural language interface
l Internet network
l Problem of access to external resources
l Local storage
l The need to store a local copy of information
l 1960s - first QA-systems
l Used as natural language shells for expert systems.
l Modern QA-systems:
l highly specialized (closed-domain)
l Applications:
§ The medicine
§ Cars
§ Reference Information
§ Japanese
§ ...
l Response accuracy requirements
l Compiling ontologies for subject areas
l General (open domain)
l Versatility
l The most famous system - Start (1993)
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Creating question and answer systems
Terms: Creating question and answer systems