COMPLAINT RETRIEVAL DEVICE, COMPLAINT RETRIEVAL METHOD, AND PROGRAM OF THE SAME

摘要

PROBLEM TO BE SOLVED: To appropriately extract topic-comment relation of the object of a complaint and contents from a document by specifying the object (evaluation object) of the complaint corresponding to the contents (evaluation expression) of the complaint retrieved by a retrieval word by a rule applied to a relatively wide range in a deep layer.;SOLUTION: For all the combinations of a syntax element W pertinent to the evaluation object extracted from an input document and a syntax element E_n pertinent to the evaluation expression extracted from the input document, the topic-comment relation probability between the syntax elements is obtained using the concept vector of the respective syntax elements, the topic-comment relation degree is obtained further, and a set of the evaluation expression and the evaluation object in the topic-comment relation is specified on the basis of the value.;COPYRIGHT: (C)2012,JPO&INPIT