Using case-based reasoning for reusing software knowledge base

The driving force behind casebased methods has to a large extent come from the machine learning community, and casebased reasoning is also regarded a subfield of machine learning3. Cbr case based reasoning what is cbr as the name implies. Casebased reasoning cbr, broadly construed, is the process of solving new problems based on the solutions of similar past problems. In this paper we focus on two primary benefits of using uml for developing a software application based on. To achieve this, reuse must be done systematically.

This is the normal thought process of a human when faced with a problem which is. Cbr in fact is a famous way of analogy making and it is not only a famous computer reasoning technique but it is also a pervasive human problem solving technique. The prediction may be modified by the application of. Kang university of wollongong kang, seung h, intelligent knowledge acquisition using case based reasoning. Contrarily to the senology domain, we have found some case. The view is that cases can represent good quality solutions that may be reused in new situations. The basic idea of case based reasoning is, that for solving a new problem, a concrete similar but solved solution is tailored to the new context and reused wes96. The other reason is the expectation that using casebased.

Usage of casebased reasoning in fmeadriven software. A problem is searching for past cases in the case base with thehighest similarity degree. Case based reasoning means using old experiences to understand and solve new problems. Oct 14, 2009 risk analysis on it assets using case based reasoning 1. Structured cases in casebased reasoningreusing and. Knowledge management refers to the process of creating, sharing, and reusing of knowledge to improve and support the overall business strategy of an organization. Risk analysis on it assets using case based reasoning a thesis report submitted by afeef veetil registration number.

An approach to software design reuse using casebased. A very important feature of casebased reasoning is its coupling to learning. This project for applying case based reaoning in decission support system. Lecture notes in computer science lecture notes in artificial intelligence, vol 1266.

Case based reasoning for knowledge management in kddprojects. A lawyer who advocates a particular outcome in a trial based on legal precedents or a judge who creates case law is using casebased. Case based reasoning software free download case based. Reusing solution components 1 introduction there is a lot of optimism at the moment about the usefulness of casebased reasoning cbr in the development of knowledge based systems. A very important feature of case based reasoning is its coupling to learning. Casebased reasoning handbook of software engineering and. Case based reasoning is a general problemsolving or decisionmaki ng framework, which revolves around the processes of case retrieval, reuse, retention, and maintenance. Casebased reasoning allows the case base to be developed incrementally, while maintenance of the case library is relatively easy and can be carried out by domain experts. The driving force behind case based methods has to a large extent come from the machine learning community, and case based reasoning is also regarded a subfield of machine learning3. This chapter presents our approach, which exploits a knowledge base and several reasoning mechanisms that reuse the stored knowledge. Risk identification using case based reasoning in software. Casebased reasoning was applied in the training area but paradoxically very little 8. This book constitutes the refereed proceedings of the second international conference on casebased reasoning, iccbr97, held in providence, ri, usa, in july 1997.

In this paper we present an innovative usage of knowledge system into fmea process using the case based reasoning to reduce the time and effort associated with this analysis. In order to better reuse previous knowledge during maintenance planning, this paper presented a knowledge reasoning method using case based reasoning cbr and adaptationguided retrieval agr, which improved the effectiveness of maintenance planning by choosing the most adaptive cases. Case based reasoning system seminar report and ppt for cse. This implies that calculation of similarity degree among the cases is an important aspect in cbr. Knowledgebased application systems spring 2004 lecture 17 6. It enables software developers to work faster and with fewer mistakes. Training cases are merely stored kind of like rote learning has been called lazy learning no work is done until an answer is needed. We are detailing existing software knowledge reuse process models using a knowledge level framework for casebased reasoning, based on an extension of the case. Externalization knowledge with uml as known, uml is based on welldefined diagrammatic notations. Regression tree, fuzzy systems, case based reasoning, rule based systems, multiple linear regression and neural networks 20.

Risk analysis on it assets using case based reasoning 1. Case based reasoning pennsylvania state university. The procedure is generally perceived as complex and timeconsuming, hindering an effective reuse of previous knowledge. Since 1997 over major companies worldwide were fielding cbr applications 22. Model based reasoning and qualitative reasoning knowledge base. Henninger s 1997 casebased knowledge management tools for software development, automated software engineering, 4. This method is known to be useful in the area where the problems are difficult to formalize and the solution is merely depended on experts knowledge. Reusing the knowledge gathered in the design phase of software development is an important issue for any software company. Case based reasoning cbr is an artificial intelligence approach to learning and problem solving based on past experience. Chairperson, department of information technology june 2009.

Casebased reasoning as a technique for knowledge management. Using casebased reasoning for reusing software knowledge. Pdf casebased reasoning for reuse of software designs. A casebased reasoning cbr approach to imitating software a casebased reasoning cbr approach to imitating software agents. An auto mechanic who fixes an engine by recalling another car that exhibited similar symptoms is using case based reasoning.

Case based reasoning cbr, broadly construed, is the process of solving new problems based on the solutions of similar past problems. Case based reasoning system seminar report and ppt for. Source code retrieval using case based reasoning is responsible in aris for retrieving programs from a large set of samples and to perform knowledge formal specification transfer from the retrieved implementations to the query. Develop method to monitor, record, and reapply traces of its own reasoning. May include storing newly solved problems adding to the knowledge base case base 4 casebased reasoning cycle. These are the description part and a solution part. In this paper we present an innovative usage of knowledge system into fmea process using the casebased reasoning to reduce the time and effort associated with this analysis. Casebased reasoning cbr is a well established research. A free powerpoint ppt presentation displayed as a flash slide show on id. Mihai pitu source code retrieval using case based reasoning.

Case based reasoning can mean adapting old solutions to meet new demands. Casebased reasoning cbr was first formalised in the 1980s following from the. In casebased reasoning, a reasoner remembers a previous situation similar to the current one and uses that to solve the new problem. Reuse of software knowledge is a principle for improving productivity and reliability of software development. Knowledge engineering in a real world casebased reasoning.

Casebased reasoning research and development second. Casebased reasoning means using old experiences to understand and solve new problems. Casebased reasoning is a general problemsolving or decisionmaki ng framework, which revolves around the processes of case retrieval, reuse, retention, and maintenance. Casebased reasoning is a computational model that uses prior experiences to understand and solve new problems. Roots of cbr is found in the works of roger shank on dynamic memory. Using a case base of surfaces to speedup reinforcement learning. Ppt case based reasoning powerpoint presentation free to. Case based reasoning and learning case based reasoning is a computational model that uses prior experiences to understand and solve new problems. Operationalizing the reuse of software knowledge using. Contrarily to the senology domain, we have found some casebased training systems in medical imaging more generally. The core of every casebased problem solver is the case base. Ppt casebased reasoning powerpoint presentation free to. This paper addresses the fulfillment of requirements related to casebased reasoning cbr processes for system design.

Casebased reasoning can be seen as the process of solving new problems associated with the solutions of similar past problems. When using casebased reasoning, the need for knowledge acquisition can be limited to establishing how to characterise cases. The other reason is the expectation that using case based. In order to better reuse previous knowledge during maintenance planning, this paper presented a knowledge reasoning method using casebased reasoning cbr and adaptationguided retrieval agr, which improved the effectiveness of maintenance planning by choosing the most adaptive cases. Generally, a casebased reasoner will be presented a new problem.

The volume presents 39 revised full scientific papers selected from a total of 102 submissions. If necessary, the retrieved solutions are adapted by using domain knowledge so that they are applicable for the new problem. Reusing the knowledge gathered in the software design development phase is an important issue for any software company. An auto mechanic who fixes an engine by recalling another car that exhibited similar symptoms is using casebased reasoning. This way, it allows old knowledge to be shared and new. A knowledge based machine tool maintenance planning system. A short classical definition of casebased reasoning is a casebased reasoner solves problems by using or adapting solutions to old problems 4. Case based reasoning systems for retrieving and reusing past project knowledge. Thus casebased reasoning is the act of developing solutions to unsolved problems based on preexisting solutions of a similar nature. The core of every casebased problem solver is the case base, which. Software quality estimation using machine learning. Casebased reasoning and software engineering springerlink. Or, a lawyer who advocates a particular case may base his defense on similar legal precedents. From websters dictionary reasoning the drawing of inferences or conclusions through the use of facts or other intelligible information.

The foundation of the cbr system is laid on schanks arguments on the role of reminding 1982, which coordinates past events with current events to enable generalization and prediction. Holds an argumentation concerning why a system with casebased reasoning should be used instead of just a knowledge base system and deals with the question of how casebased reasoning could be implemented in the system developed in this project. First, it is evident that much of human expert competence is experience based and it makes sense to adopt a reusebased methodology for developing knowledge based systems. Ppt casebased reasoning powerpoint presentation free. Reategui e, campbell j and leao b 2019 a casebased model that integrates specificand general knowledge in reasoning, applied intelligence, 7. Case based reasoning for knowledge management in kdd. Cbr combines aspects from the knowledgebased systems as well as from the machine learning field. This means that processes for retrieving, reusing, revising, and retaining have to be defined. Considering that cbr processes are well suited for problem solving, the proposed method concerns the definition of an integrated cbr process in line with system engineering principles. This paper addresses the fulfillment of requirements related to case based reasoning cbr processes for system design. They examine the impact of the choice of number of analogies when making estimations. Our system uses casebased reasoning and wordnet, providing a framework for storage and reuse of design knowledge. We will introduce an infrastructure called experience factory that supports organizational learning in software development, i. In this a descriptive framework of cbr system is explained along with steps needed to build a cbr system.

Leake, 1996 a casebased reasoner solves new problems by adapting solutions that were used to solve old problems. Casebased reasoning handbook of software engineering. Cbr enables the analyst to save time by reusing the. Compositional software reuse with casebased reasoning.

Chairperson, department of information technology june 2009 department of. There is considerable enthusiasm about case based reasoning as a means of developing knowledge based systems. Casebased reasoning cbr 1 solves problems by retrieving the most similar previous cases in a case base source cases and by reusing the knowledge and experiences from previous good quality solutions. At the same time organizational issues such as the establishment of a separate organizational unit responsible for organizational. Viewing knowledge management as a casebased reasoning. Cbr case based reasoning cbr provides solutions that are derived from previous solutions which have close similarity to target project. Cbr combines aspects from the knowledge based systems as well as from the machine learning field. This is an ambitious goal that involves addressing a number of challenging issues related to understanding narration herman. In case based reasoning, a reasoner remembers a previous situation similar to the current one and uses that to solve the new problem. Problems are organised as cases where each case comprises two parts. Based on the obvious affinity of the two approaches, we are. Risk analysis on it assets using case based reasoning.

Intelligent knowledge acquisition using case based reasoning. First, it is evident that much of human expert competence is experience based and it makes sense to adopt a reuse based methodology for developing knowledge based systems. Ppt case based reasoning powerpoint presentation free. Based grounded in known theory, knowledge or information. Casebased reasoning cbr is an artificial intelligence approach to learning and problem solving based on past experience.

Knowledge learning by using case based reasoning cbr jun yin and yan meng department of electrical and computer engineering stevens. Casebased reasoning for selecting study program in senior. In this study, an application of computer reasoning system based on cbr is developed for. Casebased reasoning has also been used by kadoda et. There is considerable enthusiasm about casebased reasoning as a means of developing knowledgebased systems. Intelligent knowledge acquisition using casebased reasoning. We have found some training systems in senology 9, 10, 11 and 12, but they dont use casebased reasoning. Case based reasoning can mean adapting old solutions to. Reu sing solution components 1 introduction there is a lot of optimism at the moment about the usefulness of casebased reasoning cbr in the development of knowledge based systems. Risk analysis on it assets using casebased reasoning a thesis report submitted by afeef veetil registration number.

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