Process Mining II
25 important questions on Process Mining II
What is conformance checking?
What are local diagnostics?
What are global conformance measures?
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What has process mining to do with audits?
Can events in a business process also be evaluated while the process is running?
What happens if A fires? (there are two output places)
What if the model can generate the trace?
What is the name for fitness in conformance checking?
How do you calculate the token-based fitness (f)?
There could occur a fitness problem when there are one or more missing tokens during replay (mi), or tokens are remaining after replay (rj). Then you can calculate the ftrace (= 0.5 ( 1- (m/c)) + 0.5 (1 - (r/p))).
We do not have to remember the formula.
What is the name for precision in conformance checking?
What is the idea of advanced behavioural aprropriateness?
You check for all possibilities which relationship it has and put it in a table. Then you do a calculation.
What two types of relationships does advanced behavioural appropriateness compare? Explain them.
- Precedes relationship: Always preceders, Never precedes, Sometimes precedes
What is artificial negative event-based conformance checking?
How does artificial negative event-based conformance checking work?
Then there will be a table with traces and it shows the trace and below each letter in the trace the other possible letters are mentioned too.
Do there also exist methods for measuring the generalization and simplicity?
How do you go from a process to attribute names like activities, and times?
Note: cases can also have attributes.
What is the difference between conformance checking and enhancement?
What are the enchancement techniques?
There are two types of extension techniques: decision mining and organizational mining.
What is decision mining?
What is the resource-activity matrix? And how do you make it?
You have a table with on the columns case id's, activities, types, time, and resources. Then for each activity the mean number of times it is performed by a certain resource is added to a new table (the matrix).
What is the handover of work matrix?
What are requirements for event logs?
Timestamps, resource information, additional data elements, case ID's are also needed
Sometimes scoping and correlation (this can be hard)
There are different event types and different activity instances. What means it when they overlap?
- Schedule-assign-start-complete
- Schedule-assign-reassign-start-suspend-resume-complete
- Start-suspend-resume-suspend-abort activity
- Start-complete
- Complete
The last one happens the most.
Note: there can be overlapping activity instances in event logs, then you do not know which start and end point is related to each other.
Give some examples of data quality issues.
Mention some process mining tools.
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