2013 | OriginalPaper | Buchkapitel
Enhancing Declare Maps Based on Event Correlations
verfasst von : R. P. Jagadeesh Chandra Bose, Fabrizio Maria Maggi, Wil M. P. van der Aalst
Erschienen in: Business Process Management
Verlag: Springer Berlin Heidelberg
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Traditionally, most process mining techniques aim at discovering
procedural
process models (e.g., Petri nets, BPMN, and EPCs) from event data. However, the variability present in less-structured flexible processes complicates the discovery of such procedural models. The “open world” assumption used by declarative models makes it easier to handle this variability. However, initial attempts to
automatically discover declarative process models
result in cluttered diagrams showing misleading constraints. Moreover, additional data attributes in event logs are not used to discover meaningful causalities. In this paper, we use
correlations
to prune constraints and to disambiguate event associations. As a result, the discovered process maps only show the more meaningful constraints. Moreover, the data attributes used for correlation and disambiguation are also used to find
discriminatory patterns
, identify
outliers
, and analyze
bottlenecks
(e.g., when do people violate constraints or miss deadlines). The approach has been implemented in ProM and experiments demonstrate the improved quality of process maps and diagnostics.