Conference presentation given by Niels Lohmann on December 8, 2010 in San Francisco, CA, USA at the Eighth International Conference on Service-Oriented Computing (ICSOC 2010).

1. ARTIFACT-CENTRIC
CHOREOGRAPHIES
Niels Lohmann
Karsten Wolf

2. BUSINESS PROCESS 1
receive create send quote
order quote quote rejected
“VERB-CENTRIC”
IMPERATIVE
confirm
order
quote
accepted + send
invoice
payment
received +
assemble ship
cargo cargo

3. ARTIFACT-CENTRIC BUSINESS PROCESS 2
CREATED
ACCEPTED RECEIVED
REJECTED CONFIRMED
QUOTE
ORDER FILED
“NOUN-CENTRIC”
DECLARATIVE
SENT
PAID ASSEMBLED
INVOICE PACKAGED
CARGO SHIPPED

4. ARTIFACT-CENTRIC BUSINESS PROCESS 3
EMPTY OBJECT LIFECYCLE
INITIAL STATE
FINAL STATES
CREATED STATE TRANSITIONS
“TASKS”
ACCEPTED REJECTED

5. CONTRIBUTION: AGENTS AND LOCATIONS 4
1 AGENTS: WHO IS EXECUTING THE TASK?
CUSTOMER SHIPPER SELLER CLERK

6. CONTRIBUTION: AGENTS AND LOCATIONS 4
1 AGENTS: WHO IS EXECUTING THE TASK?
CUSTOMER SHIPPER SELLER CLERK
2 LOCATIONS: WHERE IS THE ARTIFACT?
ORDER
CARGO
SHIPPER CUSTOMER SELLER

7. AGENTS AND ARTIFACTS 5
EMPTY 1 ROLE-BASED
ACCESS CONTROL
WHO MAY EXECUTE
SELLER
TASKS?
CREATED
CUSTOMER CUSTOMER
ACCEPTED REJECTED

8. LOCATIONS AND ARTIFACTS 6
EMPTY
CREATED
2 LOCATIONS
ACCEPTED REJECTED ARTIFACT’S LOCATION
INFLUENCES TASK
EXECUTABILITY

9. LOCATIONS AND ARTIFACTS 6
EMPTY @ SELLER
CREATED
@ CUSTOMER
2 LOCATIONS
ACCEPTED REJECTED ARTIFACT’S LOCATION
INFLUENCES TASK
EXECUTABILITY

10. ASYNCHRONOUS COMMUNICATION 7
EMPTY @ SELLER
CREATED
@ CUSTOMER
ACCEPTED REJECTED
ASYNCHRONOUS COMMUNICATION:
DECOUPLING OF SENDING AND RECEIVING

11. ASYNCHRONOUS COMMUNICATION 7
EMPTY @ SELLER
IN TRANSIT IN TRANSIT
CREATED TO SELLER TO CUSTOMER
@ CUSTOMER
ACCEPTED REJECTED
ASYNCHRONOUS COMMUNICATION:
DECOUPLING OF SENDING AND RECEIVING

12. TRANSIENT ARTIFACTS 8
EMPTY
CREATED
ACCEPTED REJECTED
TRANSIENT ARTIFACTS:
LOCATION CAN BE ANNOUNCED TO PUBLIC

13. TRANSIENT ARTIFACTS 8
EMPTY @ SELLER
SECRET
CREATED
@ SELLER
ACCEPTED REJECTED ANNOUNCED
TRANSIENT ARTIFACTS:
LOCATION CAN BE ANNOUNCED TO PUBLIC

14. COMMUNICATION - SUMMARY 9
PERSISTENT OR
TRANSIENT
REMOTE-ACCESSIBLE
IMMOBILE ARTIFACT
LOGICAL OR PHYSICAL
SYNCHRONOUS OR
ASYNCHRONOUS
TRANSFER
MOBILE ARTIFACT

15. ARTIFACT-CENTRIC CHOREOGRAPHY 10

ARTIFACTS 
+ AGENTS 

+ LOCATIONS 


 3
! POLICIES



CHOREOGRAPHY
CONTRACT




! GOAL STATES

16. ARTIFACT-CENTRIC CHOREOGRAPHY 11
CHOREOGRAPHY SELLER CLERK
CONTRACT
CUSTOMER
SHIPPER

17. ARTIFACT-CENTRIC CHOREOGRAPHY 11
CHOREOGRAPHY SELLER CLERK
CONTRACT
CUSTOMER
SHIPPER

18. ARTIFACT-CENTRIC CHOREOGRAPHY 11
CHOREOGRAPHY SELLER CLERK
CONTRACT
CUSTOMER
SHIPPER

19. ARTIFACT-CENTRIC CHOREOGRAPHY 11
CHOREOGRAPHY SELLER CLERK
CONTRACT
CUSTOMER
SHIPPER

20. TAKE-HOME POINTS 12
AGENTS
1 + ROLE-BASED ACCESS CONTROL
LOCATIONS
2 + COMMUNICATION
ARTIFACT-CENTRIC CHOREOGRAPHY SELLER CLERK
3 + DISTRIBUTED EXECUTION
CUSTOMER
SHIPPER

21. ARTIFACT-CENTRIC
CHOREOGRAPHIES
niels.lohmann@uni-rostock.de
http://about.me/nlohmann
Niels Lohmann
Karsten Wolf