Human languages use coreference as a fundamental means of referring to a given person, place, concept or other entity across sentences and documents. For example, `John Smith' might be referred to in another sentence as `he' or `the CEO of GM,' or in another document with `John Smith Jr.' We have developed software which annotates text for this 'coreference' relation and will discuss a visualization technique based on node and link representations over a coreference annotated corpus. A major advantage of this approach is that users can meaningfully sift through large data collections using visual features of the representations in addition to more traditional text driven interfaces. I will present techniques for rapidly finding rare relationships or very common ones, new information detection about entities and focused speculative searching techniques.
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