In this paper, we define event expression over sentences of natural language and semantic relations between events. Based on this definition, we formally consider text understanding process having events as basic unit.
@article{arxiv.1212.4674,
title = {Natural Language Understanding Based on Semantic Relations between Sentences},
author = {Hyeok Kong},
journal= {arXiv preprint arXiv:1212.4674},
year = {2012}
}