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arXiv · 1704.04455

Cardinal Virtues: Extracting Relation Cardinalities from Text

Paramita Mirza·Simon Razniewski·Fariz Darari·Gerhard Weikum
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Abstract

Information extraction (IE) from text has largely focused on relations between individual entities, such as who has won which award. However, some facts are never fully mentioned, and no IE method has perfect recall. Thus, it is beneficial to also tap contents about the cardinalities of these relations, for example, how many awards someone has won. We introduce this novel problem of extracting cardinalities and discusses the specific challenges that set it apart from standard IE. We present a distant supervision method using conditional random fields. A preliminary evaluation results in precision between 3% and 55%, depending on the difficulty of relations.

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Paramita Mirza, Simon Razniewski, Fariz Darari, Gerhard Weikum. 2017-04-14. Cardinal Virtues: Extracting Relation Cardinalities from Text. https://arxiv.org/abs/1704.04455

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