| 摘要 |
A method for analyzing and organizing expressions about topics (ETs) identified in digitally available content is provided. Expressions about topics could be categorized in at least two distinct groups, such as positive ETs and negative ETs. Each categorized expression-topic set could be ranked within its own group based on a variety of parameters. The method could be used for displaying advertisements on a digitally available page based on expressions about topics. The method could also be used for searching the categorized expression-topic sets for expressions about a topic of interest. The advantage of the method is that it would increase contextual relevance in advertisement placement and search queries.
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