At present already about a hundred kinds claim to have the job to shed the commercial software that runs a function or archetypal system. Have a clear knowledge to wait to the function of these systems, characteristic, the rock-bottom technology propping up that the way that can spread the characteristic of process itself, system to build a model according to the job, place uses, and what the job sheds the executive means of the process to wait is different and undertake to them corresponding classification is as follows:

1, of structuralization with extemporaneous

Structured job flows those who point to is in real work the meeting in the process repeats repeatedly, the business process that has strictly according to a certain fixed measure. The information of all sorts of kinds that define this kind of job to shed a need can pass pair of business to the process undertakes detailed analysis and get, get complete process definition is in the following applying thereby use repeatedly in the process. Much office program, if the archives is handled, examine and approve wait to belong to this kind. Extemporaneous job flows is to be aimed at those repeatability either very strong or of the working flow that does not have repeatability, the concerned parameter that about this kind of flow executive place needs (if the participant waits) cannot decide beforehand, and must the ability when example of remit to process moves is affirmatory, carrying out the situation that a few accidents still may produce among the process at the same time. While this kind of dynamic and changeful characteristic is providing taller flexibility, also be a process build model and carry out bring more complexity.

2, face documentation with procedure-oriented

Former side is worn the dot depends on waiting for the documentation of electronic form, image to undertake distributing between the personnel that concern, so that can get the processing of different person and check and approve. Existing documentation management and image management system all belong to this kind. In procedure-oriented WfMS, working shedding is carried out into one alignment by the description link. With the data object that each link remains to handle accordingly. The data object of each link can be distributed by different kind go in other link, if can regard control as the condition the value of data object, perhaps assemble other data targets to wait according to this data object. High-end WfMS belongs to this kind of system commonly.

3, be based on mail and be based on a database

Former use email will finish what process example carries out the message in the process to deliver, of data issue the announcement with incident. What the systematic place of low end uses often is this kind of method, it can develop email system adequately to distribute a function in the data below vast region environment, but whole system lays the pattern that moves at a kind of inattentive coupling. In the WfMS that is based on a database, all data maintain presence in the DBMS of some kind of type, the execution of the process is the inquiry of these pair of data and processing actually. What massive system place of high end uses is general it is this kind of method.
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