Processes I S1 H T08
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Transcript of Processes I S1 H T08
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Workflow Management
Business Processes withInformation Technology
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Definition of Business Process
A set of activities that takes one or more types of inputs and turns them into an output of greater value to the customer.
[Hammer]
input
input
output
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Definition of Business Process
A specific ordering of work activities across time and place, with a beginning, an end, and clearly-defined inputs and outputs; a structure for action.
[Davenport]
outputinput
input
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Order register
Add to order
Check order lineStop orderCredit check
Ship
* for each order line
OKi lager
notOK
Credit manager Order manager
An Informal Workflow
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Order register
Add to order
Check order lineStop orderCredit check
Ship
* for each order line
OKi lager
notOK
Credit manager Order manager
An Informal Workflow
Function
Organisational unit
Selection
Parallelism
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Application Process
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Application Process
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Application Process
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Application Process
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Application Process
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Application Process
An event means that an object has taken on a state that affects the process
A function is a task or action performed on an object to support one or more goals
An operator connects functions and events
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Application Process
Events trigger functions and are the results of functions.By arranging this event-to-function change in a sequence,so-called event-driven process chains (EPCs) are created.An event-driven process chain (EPC) shows thechronological-logical procedure of a business process.
ARIS method manual
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Example of and-split
Example of and-join
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Example of and-split
Example of and-join
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Example of and-split
Example of and-join
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Example of and-split
Example of and-join
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Example of or-split
Example of or-join
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Example of or-split
Example of or-join
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Example of or-split
Example of or-join
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An Exercise
When an order arrives, the customer’s credit is checked as well as the availability of the goods. If the customer’s credit is fine and the goods are available, then the order is accepted. Otherwise, it is rejected. Furthermore, the credit check is carried out by the financial department, the goods availability check by the warehouse department, and the order acceptance/rejection is done by the sales department.
Construct an EPC diagram for this case.
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Identify the problem!
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Identify the problem!
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Swimming School Exercise
A student registers at the swimming school. The student willtake one or more swimming lessons followed by an examination.Every lesson has a beginning and an end. A student must have his or her individual teacher during a lesson. Each swimming lesson is followed by another swimming lesson or an individual examination.An examiner is present at the examination, from beginning to end. When a student has completed an examination, three things might happen:1. The student passes and leaves the school2. The student fails, takes additional lessons, and tries again3. The student fails and gives up
a) Model this using an EPC diagram.
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A Historical Perspective
Operating System
Application
1970
Application
Operating System
DBMS
Application
Operating System
DBMS UIMS
Application
Operating System
UIMSDBMS WFMS
1980 1990 2000 2010 1960