The effectiveness and efficiency of case-based reasoning (CBR) systems depend largely on the success of case-based retrieval. The case-base maintenance (CBM) issues become imperative and important especially for modern societies. This paper proposes a new competence model and a new maintenance procedure for the proposed competence model. Based on the proposed competence maintenance procedure, f...

In Case-Based Reasoning (CBR), case base maintenance algorithms remove noisy or redundant cases from case bases. The best maintenance algorithm to use on a particular case base at a particular stage in a CBR system’s lifetime will vary. In this paper, we propose a meta-case-based classifier for selecting the best maintenance algorithm. The classifier takes in a description of a case base that i...

This paper deals with a condition-based maintenance (CBM) model considering both perfect and imperfect maintenance actions for a deteriorating system whose condition is aperiodically monitored according to a remaining useful life (RUL) based-inspection policy. Perfect maintenance actions restore completely the system to the ’as good as new’ state. Their related cost are however often high. Impe...

Maintenance is an important way to ensure the best performance of repairable systems. This paper considers how reduce system maintenance cost while ensuring consistent performance. Due budget constraints, preventive (PM) can be done on only some components. Also, different selections components maintained have markedly effects On basis above issues, this proposes importance-based priority (IBMP...

To improve the efficiency of reliability-centered maintenance (RCM) analysis, case-based reasoning (CBR), as a kind of artificial intelligence (AI) technology, was successfully introduced into RCM analysis process, and a framework for intelligent RCM analysis (IRCMA) was studied. The idea for IRCMA is based on the fact that the historical records of RCM analysis on similar items can be referenc...

The evolution of system reliability depends on its structure as well as on the evolution of its components reliability. The latter is a function of component age during a system’s operating life. Component aging is strongly affected by maintenance activities performed on the system. In this work, we consider two categories of maintenance activities: corrective maintenance (CM) and preventive ma...

Software maintenance and evolution is arguably a lengthy and expensive phase in the life cycle of a software system. A critical issue at this phase is change propagation: given a set of primary changes that have been made to software, what additional secondary changes are needed? Although many approaches have been proposed, automated change propagation is still a significant technical challenge...

Aurora Vizcaíno, Jesús Favela, Mario Piattini Grupo Alarcos, Escuela Superior de Informática, Ciudad Real (Spain) CICESE, Ensenada (México)

In this paper, we describe a novel agent architecture for normative multiagent systems which is based on multi-context systems. It models the three modalities of Rao and Georgeff’s BDI agents as individual contexts and adds a fourth one for commitments. This new component is connected to all other mental attitudes via two sets of bridge rules, injecting formulae into it and modifying the BDI co...