Product-Based Workflow Design for Monitoring of Collaborative Business Processes - Advanced Information Systems Engineering - page 161

Op01

Op01

Op01

Op04 Op07

Op02 Op10

Op02 Op06

Op12 Op15 Op17 Op11 Op16 Op18

Op11 Op14

(a) (b) (c)

(d)

(e)

(f)

Fig. 4. (a) PDM of the A -path (path 1); (b) PDM of the C q -path (path 16); (c) PDM
of the selected Q c,a -path (path 4); (d) Process model for path 1; (e) Process model for
path 16; (f) Process model for path 4

is achieved by paths 2 and 4. Since there are two optimal paths and we want to
have just one prescriptive process model, it has to be decided which one of the
paths is best. In general, if more than one path satisfy the given constraints, then
several approaches can be chosen to select an optimal path. These include: (i)
random selection of one path among the identified optimal ones, (ii) selection (by
the monitoring stakeholder) of one of the optimal paths by ranking the criteria,
or (iii) selection of the path involving the lowest number of operations. As an
illustration, we choose the second case and we define the cost as being the second