Learning-Based Argument Structure Analysis of Event-Nouns in Japanese
نویسندگان
چکیده
Previous work on predicate-argument structure analysis has focused largely on verbs and adjectives. However, to extract richer information from such a sentence as His decision was right, not only the predicate was right but also the noun decision need to be identi ed as an event denoting expression. Here, we call event denoting nouns event-nouns, which refer to events like he decided something. We de ne a task of argument structure analysis of event-nouns in Japanese. Some event-nouns, such as ryouri cook/cuisine, do not always refer to an event, and word sense disambiguation of event-nouns has to be done depending on their context. In this paper, we present an unsupervised machine learning method to extract patterns of event-nouns for event-hood determination. We also investigate verb-noun co-occurrences and support verb constructions for argument identi cation of event-nouns.
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تاریخ انتشار 2007