Trace Analysis Patterns (Part 177)

Trace Similarity analysis pattern uses various similarity measures to assess the closeness of one trace or log to another. Here we provide an illustrative example using Jaccard index. Consider three simple logs where sample sets consist from Activity Regions:

The following table shows calculation of similarity between A and B, A and C, and B and C:

It’s possible to use sample sets consisting of messages instead. For our toy example we get similar index numbers:

We get different indexes though for individual regions and messages, for example:

- Dmitry Vostokov @ + -

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