Paper: Which Side Are You On? Identifying Perspectives At The Document And Sentence Levels

ACL ID W06-2915
Title Which Side Are You On? Identifying Perspectives At The Document And Sentence Levels
Venue International Conference on Computational Natural Language Learning
Session Main Conference
Year 2006
Authors

In this paper we investigate a new problem of identifying the perspective from which a document is written. By perspective we mean a point of view, for example, from the perspective of Democrats or Repub- licans. Can computers learn to identify the perspective of a document? Not every sentence is written strongly from a per- spective. Can computers learn to identify which sentences strongly convey a partic- ular perspective? We develop statistical models to capture how perspectives are expressed at the document and sentence levels, and evaluate the proposed mod- els on articles about the Israeli-Palestinian conflict. The results show that the pro- posed models successfully learn how per- spectives are reflected in word usage and can identify the perspective of a document with high accuracy...