In the modern world people frequently interact with retrieval systems to satisfy their information needs. Humanly understandable well-formed phrases represent a crucial interface between humans and the web, and the ability to index and search with such phrases is beneficial for human-web interactions. In this paper we consider the problem of identifying humanly understandable, well formed, and ...

Pattern / Normalization Resources •1–4 digit years • “BC/AD” phrases Rules •several modifications and new rules • rules with explicit “BC/AD” phrases • rules without “BC/AD” phrases Normalization Strategies •calculations for relative and underspecified expressions •disambiguation of 2-digit years •expressions without “BC/AD” phrases ∗preliminary normalized to AD dates ∗ if explicit BC dates in ...

In this paper, we present an investigation into the use of cue phrases as a basis for dialogue act classification. We define what we mean by cue phrases, and describe how we extract them from a manually labelled corpus of dialogue. We describe one method of evaluating the usefulness of such cue phrases, by applying them directly as a classifier to unseen utterances. Once we have extracted cue p...

Identifying events of a specific type is a challenging task as events in texts are described in numerous and diverse ways. Aiming to resolve high complexities of event descriptions, previous work (Huang and Riloff, 2013) proposes multi-faceted event recognition and a bootstrapping method to automatically acquire both event facet phrases and event expressions from unannotated texts. However, to ...