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Desenvolvimento de um programa computacional para avaliação postural de código aberto e gratuito

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Topics in Software Engineering

The Unified Modeling Language (UML) is one of the most commonly used tools for analyzing and expressing software requirements. Considerably, UML overcomes ambiguity limitation which results from infamous shortcoming of national language. However, how to express requirements of real-time systems properly is still a very challenging problem. In this paper, main aspects of UML for real-time system are highlighted, and typical implementation of real-time system by UML is investigated as well. At the end, a guideline generated for financial account platform of Zhejiang Provincial Finance Department is presented by UML use cases, activity diagrams, and interface diagrams in details.

Requirements Analysis of Real-Time Systems by Rational-Rose UML

Indexing and query multimedia data is a challenging problem due to the high dimension of multimedia data. Clustering-based indexing structures are quite efficient for high-dimensional data indexing. Unfortunately, clustering-based indexing structures are normally static, and the whole structures have to be rebuilt after inserting new data. To resolve this issue, a two-level indexing method, called PASDS plus PPAT method, has been developed in this paper. In the PASDS level, clusters and their subspaces can be partially updated, while the indexing trees within the clusters are able to be partially updated at the PPAT level. By choosing proper number of children nodes, the proposed method can balance query accuracy and indexing efficiency. From experiments, the PASDS plus PPAT method is very efficient for updating clusters and inner indexing structures for newly inserted data, while its query accuracy and query time are almost the same with similar dynamic indexing methods.

PASDS Plus PPAT Indexing Method for Multimedia Data

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Requirements Analysis of Real-Time Systems by Rational-Rose UML

PASDS Plus PPAT Indexing Method for Multimedia Data