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- W2016391667 abstract "We present new statistical methods for evaluating information extraction systems. The methods were developed to evaluate a system used by political scientists to extract event information from news leads about international politics. The nature of this data presents two problems for evaluators: 1) the frequency distribution of event types in international event data is strongly skewed, so a random sample of newsleads will typically fail to contain any low frequency events. 2) Manual information extraction necessary to create evaluation sets is costly, and most effort is wasted coding high frequency categories." @default.
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- W2016391667 modified "2023-10-16" @default.
- W2016391667 title "Some statistical methods for evaluating information extraction systems" @default.
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- W2016391667 doi "https://doi.org/10.3115/1641396.1641400" @default.
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