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An Overview of Distant Supervision for Relation Extraction with a Focus on Denoising and Pre-training Methods

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arxiv 2207.08286 v1 pith:ATIRAXU4 submitted 2022-07-17 cs.CL

classification cs.CL
keywords methodstextdenoisingdistantextractionknowledgelanguageoverview
verification ladder T0 review T1 audit T2 compute T3 formal
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Relation Extraction (RE) is a foundational task of natural language processing. RE seeks to transform raw, unstructured text into structured knowledge by identifying relational information between entity pairs found in text. RE has numerous uses, such as knowledge graph completion, text summarization, question-answering, and search querying. The history of RE methods can be roughly organized into four phases: pattern-based RE, statistical-based RE, neural-based RE, and large language model-based RE. This survey begins with an overview of a few exemplary works in the earlier phases of RE, highlighting limitations and shortcomings to contextualize progress. Next, we review popular benchmarks and critically examine metrics used to assess RE performance. We then discuss distant supervision, a paradigm that has shaped the development of modern RE methods. Lastly, we review recent RE works focusing on denoising and pre-training methods.

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  1. SCoRE: Streamlined Corpus-based Relation Extraction using Multi-Label Contrastive Learning and Bayesian kNN

    cs.CL 2025-07 conditional novelty 6.0 of 10

    A no-fine-tuning, contrastive-learning plus Bayesian kNN system matches or exceeds state-of-the-art relation extraction on several benchmarks at a fraction of the energy cost.

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