Bethard and Parker (2016) proposed an alternate scheme, Semantically Compositional Annotation of Time Expressions (SCATE), in which times are annotated as compositional time entities (Figure 1), and suggested that this should be more amenable to machine learning.
for example, next week refers to the week following the DCT, and in such a case the value of the property INTERVAL-TYPE for the operator NEXT would be DOCTIME.