Anaphora Resolution in Japanese Sentences Using Surface Expressions and Examples

摘要

Anaphora resolution is one of the major problems in natural languageprocessing. It is also one of the important tasks in machine translation andman/machine dialogue. We solve the problem by using surface expressions andexamples. Surface expressions are the words in sentences which provide cluesfor anaphora resolution. Examples are linguistic data which are actually usedin conversations and texts. The method using surface expressions and examplesis a practical method. This thesis handles almost all kinds of anaphora: i. Thereferential property and number of a noun phrase ii. Noun phrase directanaphora iii. Noun phrase indirect anaphora iv. Pronoun anaphora v. Verb phraseellipsis