Challenge: Biomedical events represent complex, graphical, and semantically rich interactions expressed in the scientific literature.
Approach: They propose a framework to solve event extraction and event verbalization with a unified text-to-text approach.
Outcome: The proposed framework achieves greater state-of-the-art performance than single-task competitors and can generate coherent natural language utterances from structured data.

Similar Papers

Event-Centric Natural Language Processing (2021.acl-tutorials)

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Challenge: This tutorial will provide an introduction to various methods for automating the extraction, conceptualization and prediction of events and their relations.
Approach: This tutorial will provide an introduction to various methods for automating events and their relations, and a wide range of NLU and commonsense understanding tasks.
Outcome: This tutorial will provide an introduction to various methods for automating extraction, conceptualization and prediction of events and their relations, and a wide range of NLU and commonsense understanding tasks.
Text2Event: Controllable Sequence-to-Structure Generation for End-to-end Event Extraction (2021.acl-long)

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Challenge: Existing methods to extract event records from text decompose complex structure prediction task into multiple subtasks.
Approach: They propose a sequence-to-structure generation paradigm that can extract events from text . they propose unified event extraction, constrained decoding algorithm and curriculum learning algorithm .
Outcome: The proposed method can achieve competitive performance using record-level annotations in both supervised learning and transfer learning settings.
TextEE: Benchmark, Reevaluation, Reflections, and Future Challenges in Event Extraction (2024.findings-acl)

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Challenge: Recent studies suggest that event extraction evaluations may not accurately reflect the true performance.
Approach: They propose a standardized, fair, and reproducible benchmark for event extraction . they use standardized scripts and splits for 16 datasets spanning eight domains .
Outcome: The proposed benchmarks show that they struggle to achieve satisfactory performance.
Temporal Relation Extraction in Clinical Texts: A Span-based Graph Transformer Approach (2025.acl-long)

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Challenge: Temporal information extraction from unstructured text is challenging due to complex clinical language, long documents, and sparse annotations.
Approach: They propose a method for extracting clinical events and their temporal relations from unstructured text using the I2B2 2012 Temporal Relations Challenge corpus.
Outcome: The proposed method improves state-of-the-art temporal information extraction with 5.5% improvement in tempeval F1 score over previous best and 8.9% improvement on long-range relations.
Harvesting Events from Multiple Sources: Towards a Cross-Document Event Extraction Paradigm (2024.findings-acl)

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Challenge: Document-level event extraction aims to extract structured information from unstructured text.
Approach: They propose a cross-document event extraction pipeline that integrates event information from multiple documents and provides a comprehensive perspective on events.
Outcome: The proposed pipeline achieves about 72% F1 in end-to-end cross-document event extraction, setting up a benchmark for future research.
Multi-Document Event Extraction Using Large and Small Language Models (2025.emnlp-main)

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Challenge: Existing approaches to multi-document event extraction have limited attention . despite its practical significance, this task has inherent challenges .
Approach: They propose a collaborative framework that integrates large language models for multi-step reasoning and fine-tuned small language models to handle key subtasks.
Outcome: The proposed framework outperforms existing methods and provides new insights into collaborative reasoning to tackle the complexities of multi-document event extraction.
Query and Extract: Refining Event Extraction as Type-oriented Binary Decoding (2022.findings-acl)

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Challenge: Existing approaches to event extraction are limited to a set of pre-defined types.
Approach: They propose a natural language query framework that uses event types and argument roles to extract candidate triggers and arguments from input text.
Outcome: The proposed framework outperforms existing methods on zero-shot event extraction.
Exploring Sentence Community for Document-Level Event Extraction (2021.findings-emnlp)

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Challenge: Existing approaches to document-level event extraction neglect the complex logic structures in long texts.
Approach: They propose a framework that exploits the relationship between sentences to extract multiple events by sentence community detection using graph attention networks.
Outcome: The proposed framework achieves competitive results over state-of-the-art methods on the large-scale document-level event extraction dataset.
Extracting Temporal Event Relation with Syntax-guided Graph Transformer (2022.findings-naacl)

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Challenge: Temporal relationship extraction is crucial for understanding complex events and reasoning over them.
Approach: They propose a Syntax-guided Graph Transformer network to extract temporal relations between events by explicitly exploiting the connection between two events based on their dependency parsing trees.
Outcome: The proposed approach outperforms state-of-the-art methods on MATRES and TB-DENSE with up to 7.9% absolute F-score gain.
Biomedical Event Extraction with Hierarchical Knowledge Graphs (2020.findings-emnlp)

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Challenge: Biomedical event extraction is critical in understanding biomolecular interactions described in scientific corpus.
Approach: They propose to integrate domain knowledge from Unified Medical Language System (UMLS) to a pre-trained language model using Graph Edge-conditioned Attention Networks and hierarchical graph representation.
Outcome: The proposed approach achieves 1.41% F1 and 3.19% F1 improvements on the BioNLP 2011 GENIA Event Extraction task.

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