What does this research mean for the field?

A novel method enables the extraction of long-tail (rare) vocabulary dictionary items from the web with high accuracy and recall, overcoming the limitations of existing seed-based generation techniques. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

February 4, 201647 citationsOpen Access

Long-tail Vocabulary Dictionary Extraction from the Web

ZCZhe ChenHarbin University of Science and Technology MCMichael CafarellaMoscow Institute of Thermal Technology HJH. V. JagadishUniversity of Michigan

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Abstract

A dictionary --- a set of instances belonging to the same conceptual class --- is central to information extraction and is a useful primitive for many applications, including query log analysis and document categorization. Considerable work has focused on generating accurate dictionaries given a few example seeds, but methods to date cannot obtain long-tail (rare) items with high accuracy and recall.

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