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Question-answer systems Definition History and areas of application of QA-systems

Lecture



Question answer system:

l information system

l Search Engine

l Supplemental

l Intellectual

l uses natural language interface

Information sources

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)

created: 2016-03-10
updated: 2021-03-13
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Creating question and answer systems

Terms: Creating question and answer systems