Playing the Telephone Game: Determining the Hierarchical Structure of Perspective and Speech Expressions

News articles report on facts, events, and opinions with the intent of conveying the truth. However, the facts, events, and opinions appearing in the text are often known only secondor third-hand, and as any child who has played “telephone” knows, this relaying of facts often garbles the original message. Properly understanding the information filtering structures that govern the interpretation of these facts, then, is critical to appropriately analyzing them. In this work, we present a learning approach that correctly determines the hierarchical structure of information filtering expressions 78.30% of the time.