Abstract:

The coherence in form and relevancy in meaning between sentences in a context are the important grounds in text reasoning and text-structure analysis. There are two ways of analyzing the inter-sentence correlativity in a context—qualitatively and quantitatively. According to the analysis of quantified correlation between words, assuming that the inter-sentence correlativity in a context was the outcome of the quantified correlation between word-pairs, which consist of the adjacent sentences, this paper measured quantitatively the degree of semantic relevancy between sentences. The experiment results show that this method of relevancy measurement can avoid the window-length constraint which exists in similarity measurement; in addition, the calculation for the correlation coefficient of correlativity between sentences, done by hand and done by computer, indicates that the method can well-simulate the cognition of the human brain to measure the semantic relevancy between sentences in a context.

Key words: quantified correlation of words, inter-sentence relevancy degree, inter-sentence similarity