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Unpublished Paper
Dynamic Knowledge-Base Alignment for Coreference Resolution
  • Jianping Zheng
  • Luke Vilnis
  • Sameer Singh
  • Jinho D. Choi
  • Andrew McCallum, University of Massachusetts - Amherst
Coreference resolution systems can benefit greatly from inclusion of global con- text, and a number of recent approaches have demonstrated improvements when precomputing an alignment to external knowledge sources. However, since alignment itself is a challenging task and is often noisy, existing systems either align conservatively, resulting in very few links, or combine the attributes of multiple candidates, leading to a conflation of entities. Our approach instead maintains ranked lists of candidate entities that are dynamically merged and reranked during inference. Further, we incorporate a large set of surface string variations for each entity by using anchor texts from the web that link to the entity. These forms of global context enable our system to outperform the previous state-of-the-art by 1.4 B3 F1 points on the ACE 2004 data.
Publication Date
This is the pre-published version harvested from CIIR.
Citation Information
Jianping Zheng, Luke Vilnis, Sameer Singh, Jinho D. Choi, et al.. "Dynamic Knowledge-Base Alignment for Coreference Resolution" (2013)
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