the National Science and Technology Major Project of the Ministry of Science and Technology of China(Secret 501).
Relation extraction has been widely used to find semantic relations between entities from plain text.Dependency trees provide deeper semantic information for relation extraction.However,existing dependency tree based ...
Temporal relation classification is one of contemporary demanding tasks of natural language processing. This task can be used in various applications such as question answering, summarization, and language specific in...
In this paper, the relationship between the second order typed - calculus 2 and its higher order version is discussed . A purely syntactic proof of the conservativity of over 2 is given.
Story understanding is one of the important branches of natural languageunderstanding research in AI techlliques. The story understanding approachbased on Story Parsing Grammar (SPG) involves that SPG is used to rep-r...