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Several variance analysis methods that are used in fault localization based on program behaviors were analyzed and compared. None of these methods takes into account the features of object-oriented programs, thus, could not be used accurately in fault localization in object-oriented programs. The present study proposed that when doing variance analysis, object behaviors could be described by using...
Although importance of knowledge sharing among designers has been widely recognized, the knowledge about structure, functionality and behavior in the modular mechanical product design is often scattered across technical domain. In this paper, aiming at capturing structural knowledge, the knowledge externalization framework for modular mechanical product is developed based on modular structural ontology...
In this paper, the framework of finding abnormal behaviors based on patterns was proposed, including preparing data, extracting patterns and finding abnormal behaviors. Then, data preprocessing was introduced in the process of finding patterns, the standard of patterns was defined, the mining algorithm of abnormal behaviors was put forward, and the implementation procedure was described in detail...
Fault localization techniques help programmers find out the locations and the causes of the faults and accelerate the debugging process. The relation between the fault and the failure is usually complicated, making it hard to deduce how a fault causes the failure. Analysis of variance is broadly used in many correlative researches. In this paper, a Bayesian belief network (BBN) for fault reasoning...
Too many polygon faces were produced if complicated cad model converts to virtual reality model while making use of the current data interface, it failed to meet with the real time requirement in virtual reality environment. In order to decreasing the number of the polygon faces at a proper precision of geometry model, the method was introduced to get the points data at the boundaries in the B-rep...
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