Books by Ioannis Iglezakis
Papers by Ioannis Iglezakis
Lecture Notes in Computer Science, 2002
Abstract. The ultimate goal of CBR applications is to satisfy customers using this technology in ... more Abstract. The ultimate goal of CBR applications is to satisfy customers using this technology in their daily business. As one of the crucial issues in CBR for practical applications, maintenance is important to cope with demands changing over time. Review and restore are the two ...
Lecture Notes in Computer Science, 2001
Abstract. The maintenance of casebased reasoning systems is remarkably im-portant for the contin... more Abstract. The maintenance of casebased reasoning systems is remarkably im-portant for the continuous working ability of casebased reasoning applications. To ensure the utility of these applications case properties like correctness, consis-tency, incoherence, minimality, and ...
Abstract. For Diagnostic Problem Solving Methods, appropriate meth-ods and knowledge bases requir... more Abstract. For Diagnostic Problem Solving Methods, appropriate meth-ods and knowledge bases require considerable time for development. Graphical knowledge interfaces and reuse of Problem Solving Methods (PSM) can increase user performance of building knowledge bases. ...
Legal and Organizational Issues, 2000
Abstract. Because of the importance of maintenance in the realm of casebased reasoning systems, ... more Abstract. Because of the importance of maintenance in the realm of casebased reasoning systems, methods of maintaining case bases using case properties will be presented. The necessary notation is given, along with definitions of the prop-erties themselves, which are ...
The growing demand for maintenance of case--based reasoning systems has lead to intensive researc... more The growing demand for maintenance of case--based reasoning systems has lead to intensive research. Many aspects of maintenance were examined in the recent years, mainly concentrating on maintaining the case--base. In this paper, we look at foundational issues regarding the ...
The problem of selecting an appropriate model for a given learning task is a crucial one. Often, ... more The problem of selecting an appropriate model for a given learning task is a crucial one. Often, there is neither enough time nor space to select learning algorithms from a given pool by simply trying them out. Thus, as users, we want to relate to past experiences of and ...
Journal of Information Law and Technology, Feb 1, 2008
The role of maintenance in the domain of case--based reasoning systems is extremely important. Th... more The role of maintenance in the domain of case--based reasoning systems is extremely important. Therefore, methods of maintaining case bases using case properties will be presented. Definitions of the case properties (correctness, consistency, incoherence, ...
Case-based reasoning has proven to be valuable and commercially successful in many applications, ... more Case-based reasoning has proven to be valuable and commercially successful in many applications, especially in the help-desk area. But current help-desk support tools do not assist in problem solving at all levels of the helpdesk organization. This paper proposes an integrated multilevel help-desk support system based on conversational, structural, and textual case-based reasoning tools. It describes their main application areas in help-desk support and how the different case-based reasoning approaches can work together.
Knowledge containers represent the structural elements of a case- based reasoning system, namely ... more Knowledge containers represent the structural elements of a case- based reasoning system, namely the vocabulary ,t hesimilarity measures ,t he so- lution transformations (adaptation knowledge), and the case base. Every knowl- edge container can be maintained separately, however, recent work in the area of case-based reasoning system maintenance concentrates on maintaining the case base. Based on this, four hypotheses are
Lecture Notes in Computer Science, 2004
Maintenance of Case-Based Reasoning (CBR) systems became an important area since applications of ... more 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 particularly define phases, steps, and tasks necessary to integrate maintenance into the CBR process up to specific programs that enable CBR engineers to carry out the maintenance activities. In this paper, we exemplify this range of research on maintenance of CBR systems by brief characterizations of the SIAM methodology, the MAMA maintenance manual, and the MASH maintenance shell. The overall goal of this paper is then to conclude areas for further research in maintenance for CBR systems from the experience of the work on SIAM, MAMA, MASH, and related approaches.
Lecture Notes in Computer Science, 2000
Case base maintenance is one of the most important issues for current research in Case-Based Reas... more Case base maintenance is one of the most important issues for current research in Case-Based Reasoning (CBR). In this paper, we outline two novel steps as part of the maintenance phase of the CBR process. The review step covers assessment and monitoring of the knowledge containers whereas the restore step actually modifies the contents of the containers according to recommendations resulting from the review step. Here, we focus our attention on the review step for the case base. For this purpose, we define several quality measures based on different case and case base properties that describe specific characteristics of the case base such as correctness, consistency, uniqueness, minimality, and incoherence. These measures allow an initial implementation of the review step for the case base container. We conclude the paper with an outline of future work to extend these aspects of maintenance in CBR.
Computer Law & Security Review, 2005
This article explores the implementation of the e-Commerce directive into Greek law and the hopes... more This article explores the implementation of the e-Commerce directive into Greek law and the hopes and expectations that this measure will enhance competition in the market for online services.
Computational Intelligence, 2001
Case-base maintenance is one of the most important issues for current research in case-based reas... more Case-base maintenance is one of the most important issues for current research in case-based reasoning (CBR). In this article we propose an extended six-step CBR cycle and discuss its two additional steps as part of the maintenance phase of the CBR process. The review step covers assessment and monitoring of the knowledge containers, whereas the restore step actually modifies the contents of the containers according to recommendations resulting from the review step in order to keep the knowledge containers in a usable state. Here we focus our attention on the case base. For the review step, we define several quality measures based on different case and case-base properties that describe specific characteristics of the case base such as correctness, consistency, uniqueness, minimality, and incoherence. Then we use these measures to realize monitoring capabilities for the case-base container that indicate when the restore step is necessary. Finally, we also describe several methods for modifications of the case base in the restore step and their relation to the review step. An initial experimental evaluation shows the appropriateness of the proposed concepts and methods before we conclude the article with a discussion of related work and an outline of future directions to extend these aspects of maintenance in CBR.
The role of maintenance in the domain of case--based reasoning systems is extremely important. Th... more The role of maintenance in the domain of case--based reasoning systems is extremely important. Therefore, methods of maintaining case bases using case properties will be presented. Definitions of the case properties (correctness, consistency, incoherence, ...
The growing demand for maintenance of case--based reasoning systems has lead to intensive researc... more The growing demand for maintenance of case--based reasoning systems has lead to intensive research. Many aspects of maintenance were examined in the recent years, mainly concentrating on maintaining the case--base. In this paper, we look at foundational issues regarding the ...
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Books by Ioannis Iglezakis
Papers by Ioannis Iglezakis