Toward context-awareness: a workflow embedded middleware

Authors:
Shaxun Chen;Yingyi Bu;Jun Li;Xianping Tao;Jian Lu
Affiliations:
National Laboratory for Novel Software Technology, Nanjing University, Nanjing City, P.R. China;National Laboratory for Novel Software Technology, Nanjing University, Nanjing City, P.R. China;National Laboratory for Novel Software Technology, Nanjing University, Nanjing City, P.R. China;National Laboratory for Novel Software Technology, Nanjing University, Nanjing City, P.R. China;National Laboratory for Novel Software Technology, Nanjing University, Nanjing City, P.R. China
Venue:
UIC'06 Proceedings of the Third international conference on Ubiquitous Intelligence and Computing
Year:
2006

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Abstract

Context-aware computing is widely researched in recent years, but we lack for a powerful context-aware middleware which supports a uniform programming model. So developing context-aware applications is still complex and time-consuming. We introduce a workflow embedded middleware called FollowMe. It supports pluggable context-aware applications. FollowMe includes a workflow engine and sustains applications described with pvPDL, which is a workflow definition language proposed specially for context-awareness. The employment of workflow makes the development of applications simplified and the maintenance much easier. We testify the improvement by realizing an example and the related evaluation.