Context-aware Workflow Model for Supporting Composite Workflows |
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Authors: | Jong-sun CHOI Jae-young CHOI Yong-yun CHO |
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Affiliation: | 1. School of Computing,Soongsil University,Seoul 156-743,Korea 2. Division of Information and Communication,Sunchon National University,Jeonnam 540-742,Korea |
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Abstract: | -In recent years,several researchers have applied workflow technologies for service automation on ubiquitous computing environments.However,most context-aware oprkflows do not offer a method to compose several workflows in order to get more large-scale or complicated workflow.They only provide a simple workflow model,not a composite workflow model.In this paper,the autorhs propose a context-aware worrkflow model to support composite workflows by expanding the patterns of the existing context-aware workflows,which support the basic workflow patterns.The suggested worklow modei offers composite workflow patterns for a context-aware workflow,which consists of various flow patterns,such as simple,split,parallel flows,and subflow.With the suggested model,the model can easily reuse few of existing workflows to make a new workflow.As a result,it can save the development efforts and time of cantext-aware workflows and increase the workflow reusability.Therefore,the suggested model is expected to make it easy to develop applications related to context-aware workflow services on ubiquitous computing environments. |
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Keywords: | ubiquitous computing contex-aware workflow workflow model multiple workflows |
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