| 摘要 |
One of the deficiencies of the existing search engines is that the search engines do not evaluate the trustfulness of comments before the searched comments are returned to end users. In addition, existing search engines overlook the analyzing and aggregating of the comments whose subjects are semantically, hierarchically related. Furthermore, as the use of non-textual comments has become popular nowadays, it is highly desirable that such search engines finding and providing comments have the capability to analyze, evaluate and aggregate both textual and non-textual comments, or heterogeneous comments in other words. The purpose of the invention is to overcome the abovementioned deficiencies of the existing search engines that find and provide comments.
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