Fig. 1From: Temporal information extraction from mental health records to identify duration of untreated psychosisExample of clinical text describing the onset of psychosis symptoms. The example includes two structured dates (visit date and birth date) and four time expressions that are written in the text (“when he was 8 years old”, “oct 2009”, “since his teens”, “today”). As shown in the figure, time expressions can be normalized and placed on a timeline in order to reconstruct patient trajectoriesBack to article page