Weitere ähnliche Inhalte Ähnlich wie Big Data Expo 2015 - Data Science Center Eindhove (18) Mehr von BigDataExpo (20) Kürzlich hochgeladen (20) 2. … , but data science is here to stay!
4. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
DSC/e: Competences and Research Programs
28 groups and 420+ people involved
5. Data Science Flagship (Philips & DSC/e)
4 Strategic topics
•Data Driven Value Propositions
•Healthcare Smart Maintenance
•Optimizing Healthcare Workflows
•Continuous Personal Health
4 TU/e departments
16 PhD students
30 Data science specialists
6. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
“Data Science University” in Den Bosch
7. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
Process Mining: On the interface
between process science and
data science
9. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
Spreadsheet: Killer App for early computers
• VisiCalc (killer
app for Apple II,
Oct. 1979)
• Lotus 1-2-3 (killer
app for IBM PC
1983)
• Microsoft Excel
(1985)
10. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
Spreadsheet: Static data
11. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
Spreadsheet: Static data
fact derived
12. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
Spreadsheet: Static data
31 items
sold
total
value
average
distribution
13. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
Spreadsheet: Static data
How to analyze operational processes?
14. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
Process Mining: Spreadsheet for behavior
• Input: events (“things that
have happened”)
• Mandatory per event:
− case identifier
− activity name
− timestamp/date
• Optional
− resource
− transaction type
− costs
− …
case
identifier
activity
name
timestamp
resourcerow = event
15. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
Process Mining: Spreadsheet for behavior
208 cases
5987 events
74 activities
16. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
Process Mining: Spreadsheet for behavior
batching for activities
“opstellen eindnota”
and “archiveren”
17. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
Loesje van
der Aalst
desire line
Process Discovery
18. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
Process Mining: Spreadsheet for behavior
process discovery
NO
modeling
needed!
19. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
Process Mining: Spreadsheet for behavior
process discovery
NO
modeling
needed!
74 act.
11 act.
3 act.
20. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
event dataprocess
model
Conformance Checking
21. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
desire line
very safe
system
Conformance Checking
22. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
Process Mining: Spreadsheet for behavior
conformance checking
?
discovered or
hand-made
23. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
Process Mining: Spreadsheet for behavior
conformance checking
fitness of
93.5%
24. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
Process Mining: Spreadsheet for behavior
conformance checking
final inspection is
skipped 40 times
25. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
Process Mining: Spreadsheet for behavior
conformance checking
move on model
(something should have
happened, but did not)
move on log
(something happened
that should not happen)
26. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
Process Mining: Spreadsheet for behavior
performance analysis
average
flowtime is
1.92 months
bottleneck
NO
modeling
needed!
27. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
Process Mining: Spreadsheet for behavior
performance analysis
waiting time of
15.74 days
NO
modeling
needed!
28. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
Process Mining: Spreadsheet for behavior
animating reality
real cases
NO
modeling
needed!
29. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
Process Mining: Spreadsheet for behavior
16 cases are
queueing
animating reality
31. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
How to get started?
• Event Data
• Process Mining Tools
• Data Science Mindset
32. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
Starting point for process mining:
Event data
patient activity timestamp doctor age cost
5781 make X-ray 23-1-2014@10.30 Dr. Jones 45 70.00
5541 blood test 23-1-2014@10.18 Dr. Scott 61 40.00
5833 blood test 23-1-2014@10.27 Dr. Scott 24 40.00
5781 blood test 23-1-2014@10.49 Dr. Scott 45 40.00
5781 CT scan 23-1-2014@11.10 Dr. Fox 45 1200.00
5833 surgery 23-1-2014@12.34 Dr. Scott 24 2300.00
5781 handle payment 23-1-2014@12.41 Carol Hope 45 0.00
5541 radiation therapy 23-1-2014@13.57 Dr. Jones 61 140.00
5541 radiation therapy 23-1-2014@13.08 Dr. Jones 61 140.00
… … … … … …
case id activity name timestamp other dataresource
Such data is everywhere (databases,
ERP/CRM/HIS/… systems, transaction
logs, messaging, social media, etc.)
33. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
How to get started?
• Event Data
• Process Mining Tools
• Data Science Mindset
34. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
Process Mining Software
35. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
900+ plug-ins available covering the
whole process mining spectrum
36. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
37. ©Wil van der Aalst & TU/e (use only with permission & acknowledgements)
How to get started?
• Event Data
• Process Mining Tools
• Data Science Mindset
38. Process Mining
Data Science in Action
43.000+25.000 people joined!
Starts again on October 7th
2015!
Register via https://www.coursera.org/course/procmin
39. Conclusion
http://www.tue.nl/dsce/
Get started today!
spreadsheet
for behavior
data-oriented analysis
(data mining, machine learning, business intelligence)
process model analysis
(simulation, verification, optimization, gaming, etc.)
performance-
oriented
questions,
problems and
solutions
compliance-
oriented
questions,
problems and
solutions
