Dependency visualization for complex system understanding

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With the volume of software in production use dramatically increasing, the importance of software maintenance has become strikingly apparent. Techniques now sought and developed for reverse engineering and design extraction and recovery. At present, numerous commercial products and research tools exist which are capable of visualizing a variety of programming languages and software constructs. The list of new tools and services continues to grow rapidly. Although the scope of the existing commercial and academic product set is quite broad, these tools still share a common underlying problem. The ability of each tool to visually organize object representations is increasingly impaired ... continued below

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277 p.

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Smart, J.A.C. September 1, 1994.

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This thesis or dissertation is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 31 times , with 5 in the last month . More information about this document can be viewed below.

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Description

With the volume of software in production use dramatically increasing, the importance of software maintenance has become strikingly apparent. Techniques now sought and developed for reverse engineering and design extraction and recovery. At present, numerous commercial products and research tools exist which are capable of visualizing a variety of programming languages and software constructs. The list of new tools and services continues to grow rapidly. Although the scope of the existing commercial and academic product set is quite broad, these tools still share a common underlying problem. The ability of each tool to visually organize object representations is increasingly impaired as the number of components and component dependencies within systems increases. Regardless of how objects are defined, complex ``spaghetti`` networks result in nearly all large system cases. While this problem is immediately apparent in modem systems analysis involving large software implementations, it is not new. As will be discussed in Chapter 2, related problems involving the theory of graphs were identified long ago. This important theoretical foundation provides a useful vehicle for representing and analyzing complex system structures. While the utility of directed graph based concepts in software tool design has been demonstrated in literature, these tools still lack the capabilities necessary for large system comprehension. This foundation must therefore be expanded with new orgnizational and visualization constructs necessary to meet this challenge. This dissertation addresses this need by constructing a conceptual model and a set of methods for interactively exploring, organizing, and understanding the structure of complex software systems.

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277 p.

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OSTI as DE95011699

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  • Other Information: TH: Thesis (Ph.D.)

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  • Other: DE95011699
  • Report No.: UCRL-LR--119304
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 80354
  • Archival Resource Key: ark:/67531/metadc743176

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Office of Scientific & Technical Information Technical Reports

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  • September 1, 1994

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  • Oct. 19, 2015, 7:39 p.m.

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  • Feb. 16, 2016, 6:16 p.m.

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Smart, J.A.C. Dependency visualization for complex system understanding, thesis or dissertation, September 1, 1994; California. (digital.library.unt.edu/ark:/67531/metadc743176/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.