@InCollection{Sousa-SDT2009,
AUTHOR = {Sousa, Jo\~{a}o and Balan, Rajesh Krishna and Poladian, Vahe and Garlan, David and Satyanarayanan, Mahadev},
TITLE = {A Software Infrastructure for User-Guided Quality-of-Service Tradeoffs},
YEAR = {2009},
BOOKTITLE = {Software and Data Technologies},
VOLUME = {47},
PAGES = {48-61},
EDITOR = {Cordeiro, J.},
SERIES = {CCIS},
PUBLISHER = {Springer},
PDF = {http://acme.able.cs.cmu.edu/pubs/uploads/pdf/SIUGQoST.pdf},
ABSTRACT = {This paper presents a framework for engineering resource-adaptive software targeted at small mobile devices. Rather than building a solution from scratch, we extend and integrate existing work on software infrastructures for ubiquitous computing, and on resource-adaptive applications.
This paper addresses two research questions: first, is it feasibility to coordinate resource allocation and adaptation policies among several applications in a way that is both effective and efficient. And second, can end-users understand and control such adaptive behaviors dynamically, depending on user-defined goals for each activity. The evaluation covered both the systems and the usability perspectives, the latter by means of a user study.
The contributions of this work are: first, a set of design guidelines, including APIs for integrating new applications; second, a concrete infrastructure that implements the guidelines. And third, a way to model quality of service tradeoffs based on utility theory, which our research indicates end-users with diverse backgrounds are able to leverage for guiding the adaptive behaviors towards activity-specific quality goals.},
KEYWORDS = {Activity-oriented Computing, Self-awareness & Adaptation, Software Architecture, Ubiquitous Computing, Usability}
}
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