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- W43963172 abstract "Name extraction is indispensable for both natural language understanding and information retrieval. However, proper names are major unknown words in natural language texts, and unknown word identification is still a challenge problem in natural language proces- sing. This paper deals with identification of person names, organization names and location names from Chinese texts. Different types of information from different levels of text are employed, including character conditions, statistic information, titles, punctuation marks, or- ganization and location keywords, speech-act and locative verbs, cache and n-gram model. We also clarify which strategies can be used in which cases, i.e., queries and/or documents. In our experiments, the recall rates and the precision rates for the extraction of person names, orga- nization names, and location names under MET data are (87.33%, 82.33%), (76.67%, 79.33%) and (77.00%, 82.00%), respectively." @default.
- W43963172 created "2016-06-24" @default.
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- W43963172 date "1998-01-01" @default.
- W43963172 modified "2023-09-27" @default.
- W43963172 title "Named Entity Extraction for Information Retrieval 1" @default.
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