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Case Based Reasoning in Practice:

Due to the fact that the study sample we had is not big enough the result cannot reflect the overall use of current knowledge management methods in the 



Supporting Case-Based Reasoning with Neural Networks: An

The CBR process enables explainable reasoning from few examples with minimal learning cost. How- ever



Case-Based Reasoning

Isn't this just another name for frames? 6.871 - Lecture 17. 7. A Simple Example: Diagnosis of Car Faults. • 



Introduction to Machine Learning & Case-Based Reasoning

Several algorithms are available that can be used to construct a tree based on some data set. A typical example is the ID3 algorithm proposed in [13]. This is a 



Case-Based Reasoning: Foundational Issues Methodological

Case-based reasoning is a recent approach to problem solving and learning that has realization is discussed in the light of a few example systems that ...





Case-based reasoning for invoice analysis and recognition

4 oct. 2007 Key words: case-based reasoning document case



CASE REPRESENTATION METHODOLOGY FOR A SCALABLE

3 oct. 2018 Case-Based Reasoning (CBR) is an Artificial Intelligence (AI) methodology and a ... Example of absenteeism data-set case representation.



Case-based Reasoning for Natural Language Queries over

7 nov. 2021 example on the COMPLEXWEBQUESTIONS dataset



Supporting Case-Based Reasoning with Neural Networks: An

The CBR process enables explainable reasoning from few examples with minimal learning cost. How- ever



(PDF) Case-based reasoning-an introduction - ResearchGate

The main tasks that all Case-based Reasoning applications must handle is to identify the actual problem situation find a previous case similar to the new one 



(PDF) Case-Based Reasoning - ResearchGate

PDF Case-based reasoning (CBR) is a sub-field of Artificial Intelligence that deals with experience-based problem solving CBR has its roots in



[PDF] Case Based Reasoning in Practice: - CORE

In order to find out how case-based reasoning is applied in practice in current software development industry we conduct a research which applies literature 



[PDF] Case-Based Reasoning

A case-based reasoner solves new problems by Case-based reasoning is a recent approach to problem- solving and learning [ ] A Simple Example:



[PDF] An introduction to case-based reasoning - MIT Media Lab

We will show examples of both kinds of case-based reasoning in this section and discuss the applicability of both 1 1 CBR and Problem Solving The host in 



[PDF] Case-Based Reasoning: Foundational Issues Methodological

The methods for case retrieval reuse solution testing and learning are summarized and their actual realization is discussed in the light of a few example 



[PDF] Case-Based Reasoning

For example CBR research made significant original contributions to the field of similarity modeling similarity-based retrieval and adaptation As several 



[PDF] Case-Based Reasoning – A Short Introduction

case base a CBR system may include some general knowledge in the form of models or rules different steps of the CBR process and provides for example 



[PDF] PRINCIPLES OF CASE-BASED REASONING

Case-Based Reasoning (CBR) [Aamodt and Plaza 1994; Kolodner 1993; Riesbeck and Schank 1989] derives from a view of understanding problem-solving as an 



[PDF] Case-Based Reasoning

Cases The Case-Based Cycle 11 Soft Computing: Case-Based Reasoning PRIOR CASES CASE-BASE Problem RETRIEVE q Real estate appraiser example

The main tasks that all Case-based Reasoning applications must handle is to identify the actual problem situation, find a previous case similar to the new one, 

  • What is an example case-based reasoning?

    A common example of a case-based reasoning system is a help desk that users call with problems to be solved. Case-based reasoning could be used by the diagnostic assistant to help users diagnose problems on their computer systems.

  • What are the 4 steps of case-based reasoning?

    There are four steps to case-based reasoning (Retrieve, Reuse, Revise, and Retain), and with each step comes the potential for error.

  • What are the main principles of case-based reasoning?

    In general, the case-based reasoning process entails: Retrieve- Gathering from memory an experience closest to the current problem. Reuse- Suggesting a solution based on the experience and adapting it to meet the demands of the new situation. Revise- Evaluating the use of the solution in the new context.
  • There are two styles of case-based reasoning: problem solving and interpretive. In the problem solving style of case-based reasoning, solutions to new problems are derived using old solutions as a guide.
1

Case-Based Reasoning

6.871: Knowledge-Based Application Systems

Spring 2004

Lecture 17

6.871 - Lecture 172

What is Case-Based Reasoning (CBR)

Case-based reasoning is [...] remembering.

Leake, 1996

A case-based reasoner solves new problems by

adapting solutions that were used to solve old problems.Riesbeck & Schank, 1989 Case-based reasoning is a recent approach to problem- solving and learning [...]. Aamodt & Plaza, 1994 Case-based reasoning is both [...] the ways people use cases to solve problems and the ways we can make machines use them. Kolodner, 1993

6.871 - Lecture 173

What is Case-Based Reasoning?

• A methodology to model human reasoning • A methodology for building intelligent systems •CBR: - Store previous experience (cases) in memory - Solve new problems by •Retrievingexperience about similarsituations •Reusingthe experience in context of new situation: use all or part, or adapt, test •Storingnew experience in memory, i.e. learn

6.871 - Lecture 174

WhyCase-Based Reasoning?

• It's pervasive - Law, medicine, design, politics, common sense • It's intuitive - Seems to match our experience •It's powerful -One or two order of magnitudespeedup • It provides a natural means to learn from experience - An almost effortless side-effect of problem solving • It can work in partially understood domains - When we don't have a good theory/model • It provides a way to avoid mistakes - Can save additional time

6.871 - Lecture 175

So ...

•Is it THE ANSWER? •Isn't this just another name for frames?

6.871 - Lecture 177

A Simple Example:

Diagnosis of Car Faults

• Given: Symptoms e.g. engine doesn't start and measured values e.g. battery voltage = 6.3V • Goal: Find cause for fault e.g. dead battery and repair strategy e.g. charge battery 2

6.871 - Lecture 178

Example Cases

Problem & Features

•Problem: Front light not working •Car: VW Golf, 2.0L •Year: 1999 •Battery voltage: 13.6V •State of lights: OK •State of light switch: OK

Solution

•Diagnosis: Front light fuse defect •Repair: Replace front light fuse

Solution

•Diagnosis: Front light fuse defect •Repair: Replace front light fuse

Case 1

Problem & Features

•Problem: Front light not working •Car: Passat •Year: 2000 •Battery voltage: 12.6V •State of lights: surface damaged •State of light switch: OK

Solution

•Diagnosis: Bulb defect •Repair: Replace front light

Solution

•Diagnosis: Bulb defect •Repair: Replace front light

Case 2

6.871 - Lecture 179

New Problem

Problem & Features

•Problem: Brake light not working •Car: Passat V6 •Year: 2002 •Battery voltage: 12.9V •State of lights: OK •State of light switch: ? •Observations define a new problem •Not all feature values may be known •New problem = case without solution

6.871 - Lecture 1710

Find Similar Case

Case x

Similar ?

New Problem

6.871 - Lecture 1711

Find Similar Case

•Compare similarity of each feature •But some features may be more important

Case x

Similar ?

New Problem

6.871 - Lecture 1712

Compare with Case 1

Problem & Features

•Problem: Brake light not working •Car: Passat V6 •Year: 2002 •Battery voltage: 12.9V •State of lights: OK •State of light switch: ?

Problem & Features

•Problem: Front light not working •Car: VW Golf, 2.0L •Year: 1999 •Battery voltage: 13.6V •State of lights: OK •State of light switch: OK

Solution

•Diagnosis: Front light fuse defect •Repair: Replace front light fuse

Solution

•Diagnosis: Front light fuse defect •Repair: Replace front light fuse

Case 1

very important less important

6.871 - Lecture 1713

Compare with Case 1

Problem & Features

•Problem: Brake light not working •Car: Passat V6 •Year: 2002 •Battery voltage: 12.9V •State of lights: OK •State of light switch: ?

Problem & Features

•Problem: Front light not working •Car: VW Golf, 2.0L •Year: 1999 •Battery voltage: 13.6V •State of lights: OK •State of light switch: OK

Solution

•Diagnosis: Front light fuse defect •Repair: Replace front light fuse

Solution

•Diagnosis: Front light fuse defect •Repair: Replace front light fuse

Case 1

very important wt of 6 less important wt of 1 0.8 0.4 0.7 0.9 1.0 Similarity by wted avg = 1/20 (6*0.8 + 1*0.4 + 1*0.7 + 6*0.9 + 6*1.0) = 0.87 3

6.871 - Lecture 1714

Compare with Case 2

Problem & Features

•Problem: Brake light not working •Car: Passat V6 •Year: 2002 •Battery voltage: 12.9V •State of lights: OK •State of light switch: ? very important wt of 6 less important wt of 1 0.8 0.8 0.8 0.9 0.0 Similarity by wted avg = 1/20 (6*0.8 + 1*0.8 + 1*0.8 + 6*0.9 + 6*0.0) = 0.59

Problem & Features

•Problem: Front light not working •Car: Passat •Year: 2000 •Battery voltage: 12.6V •State of lights: surface damaged •State of light switch: OK

Solution

•Diagnosis: Bulb defect •Repair: Replace front light

Solution

•Diagnosis: Bulb defectquotesdbs_dbs35.pdfusesText_40
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