Outline

6/4/98


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Table of Contents

Outline

Logistics

Sources of Uncertainty

Agents With Uncertainty

Knowledge Representation

Ways to Represent Uncertainty

Numerical Repr of Uncertainty

Probability As “Softened Logic”

Probabilistic Knowledge Representation and Updating

Example: Is This Cow a Menace?

Basics

Conditional Independence

Conditional Independence

Conditional Independence

Summary so Far

Computational Models for Probabilistic Reasoning

Causality

A Different Network

Creating a Network

Example

Structural Models

Possible Bayes Network

Graphical Models and Problem Parameters

Complete Bayes Network

NOISY-OR: A Common Simple Model Form

More Complex Example

A First-Cut Graphical Model

Structural Relationships and Independence

Cond. Independence in Bayes Nets

More on D-Separation

Two Remaining Questions

Adding Evidence

Inference

Algorithm

Simplest Causal Case

Simplest Diagnostic Case

Normalization

General Case

Multiply connected nets

Review Question

Decision Networks (Influence Diagrams)

Evaluation

Outline

Course Topics by Week

Unifying View of AI

Specifying a search problem?

Example: AI Planning

How Represent Actions?

Planning as Search

Forward-Chaining World-Space Search

Planning as Search 2

Plan-Space Search

Planning as Search 3

Planning as Search 4

Search Summary

Binary Constraint Network

Constraint Satisfaction Summary

Backjumping (BJ)

Other Strategies

Nodes Explored

Knowledge Repr. Summary

Resolution

Davis Putnam (DPLL)

GSAT

Immobile Robots Cassini Saturn Mission

Solution: Part 1 Model-based Programming

Solution: Part 2 Model-based Deductive Executive

Solution: Part 3 Risc-like Best-first, Deductive Kernel

A family of increasingly powerful deductive model-based optimal controllers

Specifying a valve

Mode identification + reconfiguration

Example: Cassini propulsion system

MI/MR as combinatorial optimization

Knowledge Representation

Propositional. Logic vs First Order

IIIIIS Representation III

Query Planning

Overview of Construction

Inverse Rules

Example

Efficient & Robust Execution

Defining a Learning Problem

DT Learning as Search

Search thru space of Decision Trees

Resulting Tree ….

Information Gain

Overfitting…

Comparison

Ensembles of Classifiers

Constructing Ensembles

PAC model

Wrapper Induction

Wrapper induction algorithm

MDP Model of Agency

Trajectory

Properties of the Model

Value Iteration

Policy Iteration

Reinforcement Learning

PPT Slide

Knowledge Representation

Basics

Conditional Independence

Creating a Network

Complete Bayes Network

Inference

Algorithm

Course Topics by Week

Author: weld

Email: weld@cs.washington.edu

Other information:
CSE 592, Lecture 10

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