نتایج جستجو برای: آزمایش cbr

تعداد نتایج: 69292  

2003
Zhaohao Sun Gavin Finnie Klaus Weber

This work is the second part of a general similarity-based theory of case-based reasoning (CBR), which moves CBR towards a firm theoretical foundation based on similarity-based reasoning. This paper will first examine abductive CBR and deductive CBR and propose a knowledge-based model for integrating abductive CBR and deductive CBR. It then proposes similarity-based models for rule-based and fu...

در این تحقیق اثر یک ماده شیمیایی افزودنی با نام تجاری CBRPLUS در بهسازی یک خاک رسی جنگلی مورد بررسی قرار گرفت. آزمایش های آزمایشگاهی شامل حدود آتربرگ، تراکم استاندارد، CBR (نسبت باربری کالیفرنیا)، تورم آزاد و فشار تورمی روی نمونه خاک طبیعی و خاک حاوی درصدهای وزنی مختلف از ماده افزودنی صورت پذیرفت. نتایج نشان داد که افزودن ماده مذکور بیش از %05/0 به خاک موجب تغییرات قابل ملاحظه ای در خواص فیزیکی...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده مهندسی عمران 1393

ماسه تثبیت شده کاربردهای متنوعی درعرصه ژئوتکنیک دارد که از آن جمله می¬توان به زیراساس راه¬ها و فرودگاه¬ها و شیب های سدها و خاکریزها و دیوارهای حائل اشاره کرد. نمونه¬های خاک که به صورت مصنوعی سخت گردیده¬اند، با افزودن مقداری ماده تثبیت کننده ایجاد می¬شوند. مثال¬هایی از این مواد تثبیت کننده عبارتند از: سیمان، آهک، خاکستر بادی و گچ. در این تحقیق رفتار خاک تثبیت شده با سیمان و مسلح شده با الیاف، ت...

Journal: :Expert Syst. Appl. 2005
Pei-Chann Chang Chien-Yuan Lai

In this paper, we proposed a hybrid system to combine the self-organizing map (SOM) of neural network with case-based reasoning (CBR) method, for sales forecast of new released books. CBR systems have been successfully used in several domains of artificial intelligence. In order to enhance efficiency and capability of CBR systems, we connected the SOM method to deal with cluster problems of CBR...

2002
Klaus-Dieter Althoff

Case-Based Reasoning (CBR) is an Artificial Intelligence approach to learning and problem solving based on past experience. CBR combines aspects from the knowledge-based systems as well as from the machine learning field. In this chapter we present the main characteristics of CBR technology, describe the main CBR subtasks and methods, and the main underlying principles. CBR is presented more fr...

2004
Ioannis Iglezakis Thomas Reinartz Thomas Roth-Berghofer

Maintenance of Case-Based Reasoning (CBR) systems became an important area since applications of CBR technologies were established in different real-world domains. Maintenance issues cover all aspects that help to keep a running CBR system in a usable state of high quality. Concepts and techniques that were developed for maintenance of CBR systems range from methodologies and frameworks that pa...

Journal: :Int. J. Intell. Syst. 2005
Zhaohao Sun Gavin R. Finnie

This paper will examine new issues resulting from applying CBR in e-commerce and propose a unified logical model for CBR-based e-commerce systems (CECS) which consists of three cycles and covers almost all activities of applying CBR in e-commerce. This paper also decomposes case adaptation into problem adaptation and solution adaptation, which not only improves the understanding of case adaptat...

2002
Chema Abasolo Enric Plaza Josep Lluís Arcos

In this paper we present CAT-CBR a component-based platform for developing CBR systems. CAT-CBR uses UPML (Universal Problemsolving Methods Language) for specifying CBR components. A collection of CBR components for retrieval of propositional cases is presented in detail. The CAT-CBR platform guides the engineer using a case-based recommendations system to develop a configuration of components ...

2012
Nadjette Dendani-Hadiby Mohamed Tarek Khadir

Industrial diagnosis is a domain where problems are recurrent and therefore previous documented solution can be successfully reused. Different methodologies may be implemented for a given diagnosis domain, one of the appropriate, appears to be Case-Based Reasoning (CBR). A CBR system is a combination of processes and knowledge called “knowledge containers“, that allows to preserve and to exploi...

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