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Temporal Models of Care Sequences for the Exploration of Medico-administrative Data

Pharmaco-epidemiology with medico-administrative databases enables the study of the impact of health products in real-life settings. These studies require to manipulate the raw data and the care trajectories, in order to identify pieces of data that may witness the medical information that is looked for. The manipulation can be seen as a querying process in which a query is a description of a medical pattern (e.g. occurrence of illness) with the available raw features from care trajectories (e.g. occurrence of medical procedures, drug deliveries, etc.). The more expressive is the querying process, the more accurate is the medical pattern search. The temporal dimension of care trajectories is a potential information that may improve the description of medical patterns. The objective of this work [6] is to propose a formal framework that would design a well-founded tool for querying care trajectories with temporal medical patterns. In this preliminary work, we present the problematic and we introduce a use case that illustrates the comparison of several querying formalisms.