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In this paper, we propose a novel evaluation method for defect prediction in object-oriented software systems. For each metric to evaluate, we start by applying it to the dependency graph extracted from the target software system, and obtain a list of classes ordered by their predicted degree of defect under that metric. By utilizing the actual defect data mined from the subversion database, we evaluate...
The paper analyzed key problems about the model and framework of urban emergency response system. It aims to present a new model and framework of urban emergency response system. The new model is based on decision-system. And in the framework, it includes the procedure of creating contingency plan. In this paper, it expatiates on emergency affairs, layers and functions and framework of the platform...
Incremental ETL processes are used for the incremental maintenance of data warehouses, which is generally designed by users with ETL tools. Using existing methods of incremental maintenance of materialized views for reference, we put forward an approach to generate an incremental ETL process automatically from the full ETL process in this paper. Existing researches are focused on the incremental maintenance...
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