Intra-document Coreference Resolution: The state of the art.
Jun Lang, Bing Qin, Ting Liu, Li Sheng · 2007
Intra-document coreference resolution, which is the process of partitioning intra-document mentions into different real world entities, includes personal pronoun resolution and noun phrase resolution, and is always one of the key problems of natural language processing. In recent years, there have been extensive studies and rapid progresses in coreference resolution. After distinguishing several related concepts and summarizing the basic coreference types, this paper analyses the past 30 years research line on coreference resolution. It is pointed out that the current key problems and research trends are global optimization, the use of deep linguistical and background knowledge, and the combination of linguistical models and statistical models. Finally, the related international evaluations, evaluation metrics, related corpora and tools are described in detail. Key words Intra-document coreference resolution; personal pronoun resolution; noun phrase