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An Analysis Of Requirements For Specifying Manufacturing Engineering And Business Processes, Steven Ray, Amy Knutilla, Craig Schlenoff Aug 1998

An Analysis Of Requirements For Specifying Manufacturing Engineering And Business Processes, Steven Ray, Amy Knutilla, Craig Schlenoff

Steven R Ray

A wide range of manufacturing software applications deal with the manipulation and expression of collections of activities. Examples include manufacturing process planning, production scheduling, simulation, project management, workflow, business process reengineering, and product realization process modeling. While each of these applications serves a specific audience and need and focuses on particular aspects of a process, much could be gained by sharing process information among applications. One of the primary obstacles to such integration is the lack of any common representation of what is really the underlying concept of process. The objective of the work described here is to investigate the ...


Steganography Using The Minimax Eigenvalue Decomposition, Chaka Allen Jan 1998

Steganography Using The Minimax Eigenvalue Decomposition, Chaka Allen

Retrospective Theses and Dissertations

Steganography, or information hiding, is the study of methods to hide data within a medium. Handwritten communications, digital images, digital video and digital music are examples of various media in which data can be hidden. A primary application of steganography is the "watermarking" of digital information. Just as paper money, governmental documents, and even official school transcripts contain watermarks to prevent unauthorized reproduction, vendors seek to watermark their digital information to prevent piracy. Methods of steganography can also be used to create covert channels. A covert channel is a public medium used to transmit private information. Data can be embedded ...


Process Specification Language: An Analysis Of Existing Representations, Amy Knutilla, Stephen Polyak, Craig Schlenoff, Shu Cheah, Steven Ray, Richard Anderson Dec 1997

Process Specification Language: An Analysis Of Existing Representations, Amy Knutilla, Stephen Polyak, Craig Schlenoff, Shu Cheah, Steven Ray, Richard Anderson

Steven R Ray

The goal of the NIST Process Specification Language (PSL) project is to investigate and arrive at a neutral, unifying representation of process information to enable sharing of process data among manufacturing engineering and business applications. This paper focuses on the second phase of the project, the analysis of existing process representations to determine how well existing process representation methodologies support the requirements for specifying processes found in Phase One. This analysis will provide an objective basis from which to develop a comprehensive language and will promote the leveraging of existing work.