'Certain operators' diaporamas de présentation

Description Logics

Description Logics. What Are Description Logics?. A family of logic based Knowledge Representation formalisms Descendants of semantic networks and KL-ONE Describe domain in terms of concepts (classes), roles (relationships) and individuals Distinguished by:

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Artificial Intelligence 3. Search in Problem Solving

Artificial Intelligence 3. Search in Problem Solving. Course V231 Department of Computing Imperial College, London Jeremy Gow. Problem Solving Agents. Looking to satisfy some goal Wants environment to be in particular state Have a number of possible actions An action changes environment

467 views • 39 slides

Join Synopses for Approximate Query Answering

Join Synopses for Approximate Query Answering . Written By: Presented By: Swarup Acharya , Amr Elkhatib Phillip B. Gibbons, Viswanath Poosala , Sridhar Ramaswamy. Introduction. Traditional query processing has focused on providing exact answers to queries.

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What are Boolean Operators?

What are Boolean Operators?. Mrs. Mersand December 2007. Boolean operators are named after George Boole, an Englishman, who invented them as part of a system of logic in the mid-1800's. The most common Boolean operators are AND, OR, NOT and NEAR, additionally, () can be used

458 views • 17 slides