Papers › Beyond Word Attention: Using Segment Attention in Neural Relation Extraction

Beyond Word Attention: Using Segment Attention in Neural Relation Extraction

10 Aug 2019IJCAI-19 2019 8archive 2025-07-28

Bowen Yu, Zhen-Yu Zhang, Tingwen Liu, Bin Wang, Sujian Li, Quangang Li

Relation extraction studies the issue of predicting semantic relations between pairs of entities in sentences. Attention mechanisms are often used in this task to alleviate the inner-sentence noise by performing soft selections of words independently. Based on the observation that information pertinent to relations is usually contained within segments (continuous words in a sentence), it is possible to make use of this phenomenon for better extraction. In this paper, we aim to incorporate such segment information into neural relation extractor. Our approach views the attention mechanism as linear-chain conditional random fields over a set of latent variables whose edges encode the desired structure, and regards attention weight as the marginal distribution of each word being selected as a part of the relational expression. Experimental results show that our method can attend to continuous relational expressions without explicit annotations, and achieve the state-of-the-art performance on the large-scale TACRED dataset.

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Relation ExtractionSentence

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Results from the paper archive 2025-07-28

TaskDatasetModelMetricValueRank at snapshotLeaderboardReport
Relation Extraction TACRED SA-LSTM+D F1 67.6 #30 of 40 Archive leaderboard report

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