Challenge: Existing methods for IE are task-specific, resulting in specialized and isolated approaches for different tasks.
Approach: They propose a method to retrieve task-specific knowledge from pretrained language models to enhance universal IE by using a Meta-Pretraining Algorithm.
Outcome: The proposed method achieves the new state-of-the-art on 4 IE tasks, 12 datasets under fully-supervised, low-resource and few-shot scenarios.

Similar Papers

Unified Structure Generation for Universal Information Extraction (2022.acl-long)

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Challenge: Information extraction suffers from its varying targets, heterogeneous structures, and demand-specific schemas.
Approach: They propose a unified text-to-structure generation framework, namely UIE, which can universally model different IE tasks, adaptively generate targeted structures, and collaboratively learn general IE abilities from different knowledge sources.
Outcome: The proposed framework can model different IE tasks, generate targeted structures, and learn general IE abilities from different knowledge sources.
ProUIE: A Macro-to-Micro Progressive Learning Method for LLM-based Universal Information Extraction (2026.findings-acl)

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Challenge: ProUIE improves universal information extraction (UIE) without external information . many LLM-based methods rely on extra schema cues, external resources or complex alignment and verification pipelines .
Approach: They propose a Macro-to-Micro progressive learning approach that improves UIE without external information.
Outcome: ProUIE outperforms instruction-tuned baselines on average for NER and RE while using a smaller backbone.
UniEX: An Effective and Efficient Framework for Unified Information Extraction via a Span-extractive Perspective (2023.acl-long)

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Challenge: Existing approaches for information extraction (IE) are limited by the number of subtasks and the isolation of the subtask.
Approach: They propose a new paradigm for universal information extraction that is compatible with any schema format and applicable to a list of IE tasks.
Outcome: The proposed framework outperforms generative universal IE models on 14 benchmarks with the supervised setting and the state-of-the-art performance in low-resource scenarios.
RUIE: Retrieval-based Unified Information Extraction using Large Language Model (2025.coling-main)

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Challenge: Unified information extraction (UIE) aims to extract diverse structured information from unstructured text using a single model or framework.
Approach: They propose a framework that leverages in-context learning for efficient task generalization by combining LLM preferences with a keyword-enhanced reward model.
Outcome: The proposed framework performs better on eight held-out datasets than existing methods and instruction-tuning methods.
Mirror: A Universal Framework for Various Information Extraction Tasks (2023.emnlp-main)

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Challenge: Recent studies often formulate IE tasks as a triplet extraction problem, but this paradigm does not support multi-span and n-ary extraction, leading to weak versatility.
Approach: They propose a multi-span cyclic graph extraction problem and a non-autoregressive graph decoding algorithm to extract all spans in a single step.
Outcome: The proposed model outperforms or reaches competitive performance with SOTA systems under few-shot and zero-shot settings and it is compatible with 57 datasets.
TRUE-UIE: Two Universal Relations Unify Information Extraction Tasks (2024.naacl-long)

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Challenge: Information extraction (IE) tasks have a variety of schemas and objectives that differ across tasks.
Approach: They propose a paradigm where all IE tasks are aligned to learn the same goals . they use two universal relations to extract mention spans and type recognition .
Outcome: The proposed model achieves state-of-the-art on established benchmarks spanning 16 datasets, spanning 7 diverse IE tasks.
A Survey of Generative Information Extraction (2025.coling-main)

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Challenge: Information Extraction (IE) is a popular and fundamental task in natural language processing.
Approach: They first review generative information extraction methods based on pre-trained language models and large language models focusing on their adaptation and generalization capabilities.
Outcome: The proposed methods are based on pre-trained language models and large language models, and emphasize the importance of model collaboration.
Efficient Data Learning for Open Information Extraction with Pre-trained Language Models (2023.findings-emnlp)

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Challenge: Experimental results indicate that, compared to previous SOTA methods, OK-IE requires only 1/100 of the training data (900 instances) and 1/120 of the time (3 minutes) to achieve comparable results.
Approach: They propose a framework that transforms OpenIE into the pre-training task form of the T5 model, thereby reducing the need for extensive training data.
Outcome: The proposed framework transforms OpenIE into the pre-training task form of the T5 model, reducing the need for extensive training data and significantly reducing training time.
Easy-to-Hard Learning for Information Extraction (2023.findings-acl)

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Challenge: Existing models for information extraction (IE) use a one-stage learning strategy to extract the target structure from unstructured text data.
Approach: They propose a unified easy-to-hard learning framework that mimics the human learning process by breaking down the learning process into multiple stages.
Outcome: The proposed framework enables the model to acquire general IE task knowledge and improve its generalization ability on 13 out of 17 datasets.
MMUIE: Massive Multi-Domain Universal Information Extraction for Long Documents (2026.findings-eacl)

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Challenge: Existing document-level information extraction systems operate at the sentence level or within narrow domains due to annotation constraints.
Approach: They propose a large-scale universal dataset for multi-domain, document-level information extraction from long texts.
Outcome: The proposed dataset integrates traditional knowledge bases with large language models to extract fine-grained entities, aliases, and relation triples across 34 domains.

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