user

Adaptation of composite services in pervasive computing environments

被引：6
|
作者：
Funk, Caroline [1 ]
Schultheis, Amelia [1 ]
Linnhoff-Popien, Claudia [1 ]
Mitic, Jelena [2 ]
Kuhmuench, Christoph [2 ]
机构：
[1] Univ Munich, Mobile & Distributed Syst Grp, D-80539 Munich, Germany
[2] Siemens AG Corp Technol Software & Engn, Munich, Germany
来源：
2007 IEEE INTERNATIONAL CONFERENCE ON PERVASIVE SERVICES | 2007年
关键词：
D O I：
10.1109/PERSER.2007.4283922
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
Pervasive Computing is characterized by an automatic adaptation of services to the user's situation. To achieve this we compose services from atomic services taking ambient information into account. Due to changing availability of services because of e.g. user mobility an initial composition is not sufficient but an adaptation during runtime is also necessary. Within our architecture we manage one or more composite services. Decisions regarding their adaptation are made taking requirements from all composite services into account. This is not easy as each composite service may have different goals. In this paper, we present the results of an analysis of pervasive application scenarios. Based on the analysis we developed a two-level decision system for adaptation decisions: on the composite service level decisions are made using linear programming, on the system level using rule based control. The implementation is integrated in our existing service composition architecture.
引用
收藏
页码：242 / +
页数：2
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