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This paper investigates a machine learning approach for temporally ordering and anchoring events in natural language texts. To address data sparseness, we used temporal reasoning as an oversampling… (More)
- Andrew D McCallum, Ben Wellner
- NIPS
- 2004
Coreference analysis, also known as record linkage or identity uncertainty, is a difficult and important problem in natural language processing, databases, citation matching and many other tasks.… (More)
SpatialML is an annotation scheme for marking up references to places in natural language. It covers both named and nominal references to places, grounding them where possible with geo-coordinates,… (More)
- Andrew D McCallum, Ben Wellner
- IIWeb
- 2003
Coreference analysis, also known as record linkage or identity uncertainty, is a difficult and important problem in natural language processing, databases, citation matching and many other tasks.… (More)
- Ben Wellner, Matt Huyck, +6 authors Lynette Hirschman
- Journal of the American Medical Informatics…
- 2007
OBJECTIVE
This paper describes a successful approach to de-identification that was developed to participate in a recent AMIA-sponsored challenge evaluation.
METHOD
Our approach focused on rapid… (More)
Although information extraction and coreference resolution appear together in many applications, most current systems perform them as independent steps. This paper describes an approach to integrated… (More)
- Ben Wellner, James Pustejovsky, Catherine Havasi, Anna Rumshisky, Roser SaurÃ
- SIGDIAL Workshop
- 2006
In this paper we consider the problem of identifying and classifying discourse coherence relations. We report initial results over the recently released Discourse GraphBank (Wolf and Gibson, 2005).… (More)
- John S. Aberdeen, Samuel C. Bayer, +5 authors Lynette Hirschman
- I. J. Medical Informatics
- 2010
PURPOSE
Medical records must often be stripped of patient identifiers, or de-identified, before being shared. De-identification by humans is time-consuming, and existing software is limited in its… (More)
- Ben Wellner, James Pustejovsky
- EMNLP-CoNLL
- 2007
- Inderjeet Mani, Christy Doran, +6 authors Seamus Clancy
- Language Resources and Evaluation
- 2010
SpatialML is an annotation scheme for marking up references to places in natural language. It covers both named and nominal references to places, grounding them where possible with geocoordinates,… (More)