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Posted inBasics
Inferential Knowledge
Represent knowledge as formal logic: All dogs have tails : dog(x) hasatail(x) Advantages: A set of strict rules.Can be used…
Posted inBasics
Approaches to Knowledge Representation
Simple relational knowledge The simplest way of storing facts is to use a relational method…
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Knowledge Representation
What to Represent? Let us first consider what kinds of knowledge might need to be…
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Means-Ends Analysis
Allows both backward and forward searching.This means we could solve major parts of a problem…
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And-Or Graphs
Useful for certain problems where The solution involves decomposing the problem into smaller problems.We then…
Posted inAdvanced
Heuristic Search
A heuristic is a method that might not always find the best solutionbut is guaranteed to find a…
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Problems and Search
Problem solving involves: problem definition -- detailed specifications of inputs and what constitutes an acceptable…
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Why use this data structure?
It enables attribute values to be retrieved quicklyassertions are indexed by the entitiesbinary predicates are…
Posted inAdvanced
Extending Semantic Nets
Here we will consider some extensions to Semantic nets that overcome a few problems (see…