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Large language models (LLMs) have revolutionized zero-shot task performance, mitigating the need for task-specific annotations while enhancing task generalizability. Despite its advancements, current methods using trigger phrases such as…

计算与语言 · 计算机科学 2024-06-13 Saurabh Srivastava , Chengyue Huang , Weiguo Fan , Ziyu Yao

The inherent complexity of structured longitudinal Electronic Health Records (EHR) data poses a significant challenge when integrated with Large Language Models (LLMs), which are traditionally tailored for natural language processing.…

计算与语言 · 计算机科学 2024-02-13 Yinghao Zhu , Zixiang Wang , Junyi Gao , Yuning Tong , Jingkun An , Weibin Liao , Ewen M. Harrison , Liantao Ma , Chengwei Pan

Model Leeching is a novel extraction attack targeting Large Language Models (LLMs), capable of distilling task-specific knowledge from a target LLM into a reduced parameter model. We demonstrate the effectiveness of our attack by extracting…

机器学习 · 计算机科学 2023-09-20 Lewis Birch , William Hackett , Stefan Trawicki , Neeraj Suri , Peter Garraghan

Recent advancements in large language models (LLMs) have led to the development of highly potent models like OpenAI's ChatGPT. These models have exhibited exceptional performance in a variety of tasks, such as question answering, essay…

计算与语言 · 计算机科学 2023-04-12 Ruixiang Tang , Xiaotian Han , Xiaoqian Jiang , Xia Hu

Evaluating the quality of generated text is a challenging task in NLP, due to the inherent complexity and diversity of text. Recently, large language models (LLMs) have garnered significant attention due to their impressive performance in…

计算与语言 · 计算机科学 2023-09-19 Yi Chen , Rui Wang , Haiyun Jiang , Shuming Shi , Ruifeng Xu

Developing a general-purpose extraction system that can extract events with massive types is a long-standing target in Event Extraction (EE). In doing so, the challenge comes from two aspects: 1) The absence of an efficient and effective…

计算与语言 · 计算机科学 2025-03-05 Wenxuan Liu , Zixuan Li , Long Bai , Yuxin Zuo , Daozhu Xu , Xiaolong Jin , Jiafeng Guo , Xueqi Cheng

Large language models (LLMs) have demonstrated impressive performance in mathematical and commonsense reasoning tasks using chain-of-thought (CoT) prompting techniques. But can they perform emotional reasoning by concatenating `Let's think…

计算与语言 · 计算机科学 2024-08-12 Ankita Bhaumik , Tomek Strzalkowski

Large Language Models (LLMs) such as GPT developed by OpenAI, have already shown astonishing results, introducing quick changes in our society. This has been intensified by the release of ChatGPT which allows anyone to interact in a simple…

计算机视觉与模式识别 · 计算机科学 2024-02-28 Ivan DeAndres-Tame , Ruben Tolosana , Ruben Vera-Rodriguez , Aythami Morales , Julian Fierrez , Javier Ortega-Garcia

Recently, prompt-tuning has attracted growing interests in event argument extraction (EAE). However, the existing prompt-tuning methods have not achieved satisfactory performance due to the lack of consideration of entity information. In…

计算与语言 · 计算机科学 2022-10-31 Lu Dai , Bang Wang , Wei Xiang , Yijun Mo

Event Argument Extraction (EAE) is an extremely difficult information extraction problem -- with significant limitations in few-shot cross-domain (FSCD) settings. A common solution to FSCD modeling is data augmentation. Unfortunately,…

计算与语言 · 计算机科学 2024-06-14 Joseph Gatto , Parker Seegmiller , Omar Sharif , Sarah M. Preum

Event Extraction (EE) is one of the fundamental tasks in Information Extraction (IE) that aims to recognize event mentions and their arguments (i.e., participants) from text. Due to its importance, extensive methods and resources have been…

计算与语言 · 计算机科学 2022-11-21 Amir Pouran Ben Veyseh , Javid Ebrahimi , Franck Dernoncourt , Thien Huu Nguyen

Zero-shot event extraction (ZSEE) remains a significant challenge for large language models (LLMs) due to the need for complex reasoning and domain-specific understanding. Direct prompting often yields incomplete or structurally invalid…

计算与语言 · 计算机科学 2025-11-18 Quanjiang Guo , Sijie Wang , Jinchuan Zhang , Ben Zhang , Zhao Kang , Ling Tian , Ke Yan

State-of-the-art neural language models can now be used to solve ad-hoc language tasks through zero-shot prompting without the need for supervised training. This approach has gained popularity in recent years, and researchers have…

Open Information Extraction (OpenIE) represents a crucial NLP task aimed at deriving structured information from unstructured text, unrestricted by relation type or domain. This survey paper provides an overview of OpenIE technologies…

计算与语言 · 计算机科学 2024-10-25 Pai Liu , Wenyang Gao , Wenjie Dong , Lin Ai , Ziwei Gong , Songfang Huang , Zongsheng Li , Ehsan Hoque , Julia Hirschberg , Yue Zhang

In recent years, personality has been regarded as a valuable personal factor being incorporated into numerous tasks such as sentiment analysis and product recommendation. This has led to widespread attention to text-based personality…

计算与语言 · 计算机科学 2023-12-29 Yu Ji , Wen Wu , Hong Zheng , Yi Hu , Xi Chen , Liang He

The performance of text summarization has been greatly boosted by pre-trained language models. A main concern of existing methods is that most generated summaries are not factually inconsistent with their source documents. To alleviate the…

计算与语言 · 计算机科学 2023-04-14 Zheheng Luo , Qianqian Xie , Sophia Ananiadou

Event extraction (EE) is the task of identifying interested event mentions from text. Conventional efforts mainly focus on the supervised setting. However, these supervised models cannot generalize to event types out of the pre-defined…

计算与语言 · 计算机科学 2022-11-15 Hongming Zhang , Wenlin Yao , Dong Yu

Large Language Models (LLMs), such as ChatGPT, exhibit advanced capabilities in generating text, images, and videos. However, their effective use remains constrained by challenges in prompt formulation, personalization, and opaque…

人机交互 · 计算机科学 2025-03-04 Si Thu , A. Baki Kocaballi

The dream of achieving a student-teacher ratio of 1:1 is closer than ever thanks to the emergence of large language models (LLMs). One potential application of these models in the educational field would be to provide feedback to students…

计算机与社会 · 计算机科学 2025-05-06 Marc Ballestero-Ribó , Daniel Ortiz-Martínez

Coaching, which involves classroom observation and expert feedback, is a widespread and fundamental part of teacher training. However, the majority of teachers do not have access to consistent, high quality coaching due to limited resources…

计算与语言 · 计算机科学 2023-06-06 Rose E. Wang , Dorottya Demszky