... re-flect the content of the original documents. Consid-ering this, in order to make the constructed docu-ment vector reflect the content of the original doc-uments, we do not remove the Event only ... opinion isassigned to the target objects, therefore, we have tofocus on the relationship among words in a sentence,not only on the frequent words appeared in a docu-ment. For this reason, ... room, location,and so on. Since the data hold the relationships be-tween objects and their evaluations, therefore, it issaid that they are appropriate for the performanceevaluation of our method...