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Human factors have been increasingly recognized as one of the major driving forces of requirement changes. We believe that the requirements elicitation (RE) process should largely embrace human-centered perspectives, and this paper focuses on changing human intentions and desires over time. To support software evolution due to requirement changes, Situ framework has been proposed to model and detect...
User's new requirements on a system are critical factors for driving software service evolution. New requirements usually arise when users are not satisfied with the existing system as often reflected in users' divergent behaviors that can be detected through comparison with the known behavior patterns. In this paper, we propose a methodology that applies Conditional Random Fields (CRF) as the mathematical...
The capability to accurately recognize users' new intentions is critical for service evolution, because software systems are designed and implemented to assist their users. In sensor-rich context-aware environments, it is possible to recognize users' intentions from what users do (actions) and their interactions with and effects on the environment (environmental contexts). However, in order to establish...
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