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The Design and Implementation of a SOA-based Digital Resource Management and Services Platform

Author: QiChang
Tutor: ZhouLiZhu
School: Tsinghua University
Course: Computer Science and Technology
Keywords: SOA Digital resources Web Services Digital Library
CLC: TP311.52
Type: Master's thesis
Year: 2005
Downloads: 621
Quote: 12
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Abstract


The digital library is the ultra-large-scale, distributed, cross-database search massive repository of digital information, digital library building is an important strategy of the 21st century library to meet the network era, digital resource management is the core of the digital library research One of the problems. Distribution, dynamic, massive, heterogeneous characteristics of digital resources, digital resource management system, however, are designed to meet a specific demand, traditional information systems, file systems and database management systems architecture, yet also has the following problems: 1) can only support one or a limited number of data objects and metadata format; 2) can not concurrency-oriented, short, frequently updated data processing requests; 3) classification of digital resources and organizations can not meet the growing needs of the sharing and exchange; 4) can not be effectively integrated a variety of ways to search for the establishment of an efficient and flexible query integration approach and technology; 5) in a number of the isolated resource management system, there is a uniform portal integration and personalization. The face of the challenging problems, the Web service combined with digital resource management, starting from the point of view of the architecture proposed massive digital resource management system based on SOA (Service Oriented Architecture) framework DRMS ??(Digital Resource Management System caused due to the wide distribution of information, many types of media, and the huge amount of data and information), is used to change the traditional digital resource management system unable to adapt to dispersed, unorganized, and inconvenience to the status quo, to solve the core issues in the massive digital resource management. The paper first analyzes the current domestic and international digital resource management platform, pointed out that the unresolved problem, then the combination of the SOA design thinking and traditional OOAD digital resource management system business process modeling and service-oriented business process models and SOA-based layered architecture is designed according to the analysis and understanding of user needs. Then the article focuses on the design ideas and realization method of service management, core services layer and application service layer: 1) Service Management is responsible for the system in the unified maintenance and management of all services, which focus on analysis, to discuss the service life cycle management, service container and core technology based on UDDI service registry; 2) core services layer is a large number of underlying services that we have developed in order to support the upper application services, including virtual collections management services, cross-database search services, system configuration, log, monitoring services and copyright management services, the paper details the design of these core services and workflow description; 3) application layer is the application of the various system functions integrated portal provides a unified interactive system, focus is given in this section The unified portal integration, and the realization of personalized service. By building a service-oriented business processes and architecture, DRMS ??system has a number of advantages: standardization, component reusability, scalability and interoperability.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development
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