Mining Process Model Descriptions of Daily Life through Event Abstraction
Niek Tax, Natalia Sidorova, Reinder Haakma, Wil M.P. van der Aalst

TL;DR
This paper introduces a framework that abstracts sensor-level events in smart home logs to human activity levels, enabling the discovery of more accurate and understandable process models for analyzing daily life behaviors.
Contribution
The paper presents a supervised learning-based abstraction framework that converts low-level sensor events into high-level human activities for improved process discovery.
Findings
Abstracted models are more precise and interpretable.
Framework successfully applied to real smart home data.
Enhanced process models facilitate better understanding of daily routines.
Abstract
Process mining techniques focus on extracting insight in processes from event logs. Process mining has the potential to provide valuable insights in (un)healthy habits and to contribute to ambient assisted living solutions when applied on data from smart home environments. However, events recorded in smart home environments are on the level of sensor triggers, at which process discovery algorithms produce overgeneralizing process models that allow for too much behavior and that are difficult to interpret for human experts. We show that abstracting the events to a higher-level interpretation can enable discovery of more precise and more comprehensible models. We present a framework for the extraction of features that can be used for abstraction with supervised learning methods that is based on the XES IEEE standard for event logs. This framework can automatically abstract sensor-level…
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Taxonomy
TopicsBusiness Process Modeling and Analysis
