Span-Oriented Information Extraction -- A Unifying Perspective on Information Extraction
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Abstract (arXiv)
Information Extraction refers to a collection of tasks within Natural Language Processing (NLP) that identifies sub-sequences within text and their labels. These tasks have been used for many years to link extract relevant information and to link free text to structured data. However, the heterogeneity among information extraction tasks impedes progress in this area. We therefore offer a unifying perspective centered on what we define to be spans in text. We then re-orient these seemingly incongruous tasks into this unified perspective and then re-present the wide assortment of information extraction tasks as variants of the same basic Span-Oriented Information Extraction task.
Key facts. Cited by 2 papers in the map (data through 14 Oct 2026). Builds on 67 of its 120 references that are in the map. First posted on arXiv 18 Mar 2024.
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