1. Find the discourse connectives (disambiguating them from non-discourse uses)
2. Find the two spans for each connective
3. Label the relationship between these spans
4. Assign a relation between every adjacent pair of sentences

University of Michigan - Ann Arbor

It's the task of detecting PDTB coherence relations between spans. Sometimes it's also called shallow discourse parsing.

PDTB discourse parsing

An on-going but a helpful book resource about NLP
https://web.stanford.edu/~jurafsky/slp3/

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