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Comparison of Large programs with Hypertext..... Contd.


© Faisal Bin Bashir

Characteristic -- Configuration management

LARGE PROGRAMS

Tools largely based upon the make paradigm separate information about linkage from the modules themselves.

HYPERTEXT

No equivalent tools are in use, although some tools now manage links and identify changes. Web documents do not readily separate linkage information from text, since the (usually) embedded links are difficult to extract.

COMMENT

Clear need for better management of hypertext documents because documents can span organizations. In the future, large programs are likely to span organizations, too.

Characteristic -- Development tools

LARGE PROGRAMS

Most phases of the life cycle now have some tool support, which usually provides an abstraction to assist users.

HYPERTEXT

Many Web-page creation tools are available, including simple extensions, word processors, and more integrated packages.

COMMENT

Some provide abstractions; maps, for instance, show a document's structure. Similarities further reinforce the need for a better maintenance con-text.

Characteristic -- Development processes

LARGE PROGRAMS

Design methods and notations guide the development of large programs, particularly in the early phases; often supplemented by CASE tools. Methods help transfer previous experience among developers. These are generally domain-specific and directed toward a single architectural style.

HYPERTEXT

No abstractions describing the overall structure of a hypertext document have gained popularity; no methods guide largely ad hoc document development. Architectural style does not exist, although organizations may adopt house styles for documentation.

COMMENT

Software development methods and notations have helped impose disciplined development practices. No equivalent has proved necessary for hypertext, although the lack of formal architectural styles may complicate maintenance.

References

"Hypertext: The Next Maintenance Mountain" by Pearl Brereton, David Budgen and Geoff Hamilton

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The copyright of the article Comparison of Large programs with Hypertext..... Contd. in Software Re-engineering is owned by Faisal Bin Bashir. Permission to republish Comparison of Large programs with Hypertext..... Contd. in print or online must be granted by the author in writing.

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