Seok Won Lee
ABSTRACT
This paper addresses the problem of the "missing requirements" in software requirement specification (SRS) expressed in natural language. Due to rapid changes in technology and business frequently witnessed over time, the original SRS documents often experience the problems of missing, not available, and hard-to-locate requirements. One of the flaws in earlier solutions to this problem has no consideration for missing requirements from multiple viewpoints. Furthermore, since such SRS documents represent an incomplete domain model, manual discovery (identification and incorporation) of missing requirements is highly labor intensive and error-prone. Consequently, deriving and improving an efficient adaptation of SRS changes remain a complex problem. In this paper, we present a new methodology entitled "Proxy Viewpoints Model-based Requirements Discovery (PVRD)". Through the requirements discovery and analysis process, PVRD methodology provides ways to construct proxy viewpoints model from legacy status requirements. Requirements term expansion technique facilitates the retrieval process of requirements of interest based on the improved requirements representation space in proxy viewpoints model. The PVRD methodology provides an integrated environment that supports requirements discovery process as well as efficient management.
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Index Terms
- Proxy Viewpoints Model-based Requirements engineering
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