Method and system for obtaining context information of workflow in computing environment generally referred to

A computing environment and acquisition method technology, applied in computing, instrumentation, data processing applications, etc., can solve the problem of not giving

Inactive Publication Date: 2007-05-09
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the uWDL work force language proposed by South Korea's Soongsil University supports context in

Method used

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  • Method and system for obtaining context information of workflow in computing environment generally referred to
  • Method and system for obtaining context information of workflow in computing environment generally referred to
  • Method and system for obtaining context information of workflow in computing environment generally referred to

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Embodiment Construction

[0094] Aiming at the special requirement that workflow needs context information in a ubiquitous computing environment, the present invention proposes a system and method for obtaining context from massive data by using a complex event processing mechanism. First, an event model for obtaining context is defined, illustrating the relationship of events to other elements in the information system. Secondly, operators between events are defined, including basic logical operators, time operators, and causal operators, etc., which are used to extract basic contexts from massive data, or combine different contexts into composite contexts. Third, the use strategy and consumption strategy of event instances in the event processing mechanism are defined. Fourth, the equivalence test in the process of event aggregation is implemented.

[0095] Any information of interest to users or systems can be defined as events, such as state transitions, activity records, and so on. An event type...

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Abstract

A method for obtaining context information of work stream in pan-calculation environment includes utilizing complicated event processing engine in work stream server based on complicated event processing rule to carry out extracting and regathering on event information formed by enterprise physical environment and activity pretreated and obtained by electronic countermark identifier under pan-calculation environment prepared by Internet work stream station, information unit and identifying unit; then structuring them to form composite event being used to pick up context from.

Description

technical field [0001] The invention relates to the acquisition of workflow activity transition information in a ubiquitous computing environment. An important difference between the workflow in the ubiquitous computing environment and the traditional workflow is that in the ubiquitous computing environment, the activity transition information can contain real-time and accurate context information of the physical environment where the enterprise is located. Due to the characteristics of the ubiquitous computing environment, the acquisition of these contextual information is very challenging. The invention provides an event processing method for acquiring context information, including event model, event definition, event aggregation, event triggering and the like. Background technique [0002] Workflow defines different activities as well as the triggering sequence and triggering conditions between activities, thus forming a complete enterprise business process; through the...

Claims

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Application Information

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IPC IPC(8): G06Q10/00G06Q10/06
Inventor 范玉顺臧传真
Owner TSINGHUA UNIV
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