| Background | Much work has examined the emergence of discourse structure from the choices speakers make at the linguistic and intentional level (Grosz and Sid-ner, 1986). |
| Background | In prior work, the way that people influence discourse structure is described through the two tightly-related concepts of initiative and control. |
| Background | However, that body of work focuses on influencing discourse structure through positioning. |
| Introduction | In this work, we seek to formalize the ways speak-empmfimfimehwfiuMamm:deomfim a way that maintains a notion of discourse structure , and which can be aggregated to evaluate a speaker’s overall stance in a dialogue. |
| Introduction | Constructs such as Initiative and Control (Whittaker and Stenton, 1988), which attempt to operationalize the authority over a discourse’s structure , fall under the umbrella of positioning. |
| Conclusion | While the entity-based model captures repetitive mentions of entities, our discourse relation-based model gleans its evidence from the argumentative and discourse structure of the text. |
| Introduction | The coherence of a text is usually reflected by its discourse structure and relations. |
| Introduction | In this paper, we detail our model to capture the coherence of a text based on the statistical distribution of the discourse structure and relations. |