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- W4312047029 abstract "Prior works on joint Information Extraction (IE) typically model instance (e.g., event triggers, entities, roles, relations) interactions by representation enhancement, type dependencies scoring, or global decoding. We find that the previous models generally consider binary type dependency scoring of a pair of instances, and leverage local search such as beam search to approximate global solutions. To better integrate cross-instance interactions, in this work, we introduce a joint IE framework (CRFIE) that formulates joint IE as a high-order Conditional Random Field. Specifically, we design binary factors and ternary factors to directly model interactions between not only a pair of instances but also triplets. Then, these factors are utilized to jointly predict labels of all instances. To address the intractability problem of exact high-order inference, we incorporate a high-order neural decoder that is unfolded from a mean-field variational inference method, which achieves consistent learning and inference. The experimental results show that our approach achieves consistent improvements on three IE tasks compared with our baseline and prior work." @default.
- W4312047029 created "2023-01-04" @default.
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- W4312047029 date "2022-12-17" @default.
- W4312047029 modified "2023-09-26" @default.
- W4312047029 title "Modeling Instance Interactions for Joint Information Extraction with Neural High-Order Conditional Random Field" @default.
- W4312047029 doi "https://doi.org/10.48550/arxiv.2212.08929" @default.
- W4312047029 hasPublicationYear "2022" @default.
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