Accession Number:

ADA478169

Title:

A UML Package for Specifying Real-Time Objects

Descriptive Note:

Technical rept.

Corporate Author:

RHODE ISLAND UNIV KINGSTON

Personal Author(s):

• DiPippo, Lisa C.
• Ma, Lynn

Report Date:

1999-11-01

Pagination or Media Count:

20.0

Abstract:

The Unified Modeling language provides a robust set of tools for modeling software systems. However, these tools do not directly address the requirements of real-time systems. Many real-time systems require the specification of data that has strict timing constraints. This paper presents a UML package for specifying real-time objects called RT-Object. The constructs in the package are based on the objects of the RTSORAC Real-Time Semantic Objects Relationships And Constraints model. The RT-Object package has been used to design real-time objects in a Real-Time Multi-User Virtual Environment in which widely distributed users collaborate in time-critical planning and decision making.

Descriptors:

• *COMPUTER PROGRAMS
• *REAL TIME
• REQUIREMENTS
• DISTRIBUTION
• TOOLS
• LANGUAGE
• VIRTUAL REALITY
• USER NEEDS
• SEMANTICS
• SPECIFICATIONS
• DECISION MAKING
• MODELS

Subject Categories:

• Computer Programming and Software
• Computer Systems

Distribution Statement:

APPROVED FOR PUBLIC RELEASE