| 摘要 |
<p>A sentiment-based query processing system is provided. A sentiment-based query processing system includes an index establishing unit that divides at least one document into at least one segment, generates an aspect-sentiment pair by extracting an aspect keyword representing an aspect of an object of opinion described in the segment and a sentiment keyword representing document writer's sentiment regarding the aspect, and establishes an index including contents of the segment and the aspect-sentiment pair; an index storing unit that stores the index; and a query processing unit that processes a query based on the index stored in the index storing unit, so as to search and return a document describing opinion related to the query or an object describing opinion related to the query.</p> |
