'Concept node' diaporamas de présentation

Information extraction from text

Information extraction from text. Part 3. Learning of extraction rules. IE systems depend on a domain-specific knowledge acquiring and formulating the knowledge may require many person-hours of highly skilled people (usually both domain and the IE system expertize is needed)

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Information extraction from text

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Information extraction from text

Information extraction from text. Part 2. Course organization. Conversion of exercise points to the final points: an exercise point = 1.5 final points 20 exercise points give the maximum of 30 final points Tomorrow, lectures and exercises in A318?. Examples of IE systems.

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CS 385 Fall 2006 Chapter 7

CS 385 Fall 2006 Chapter 7. Knowledge Representation 7.1.1, 7.1.5, 7.2. Knowledge Representation. What do we have to represent what we know? predicate calculus production systems What other representations do we have? mathematical objects (functions, matrices,...)

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