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Information Extraction (IE) from text refers to the task of extracting structured knowledge from unstructured text. The task typically consists of a series of sub-tasks such as Named Entity Recognition and Relation Extraction. Sourcing…

计算与语言 · 计算机科学 2022-04-12 Yannis Papanikolaou , Marlene Staib , Justin Grace , Francine Bennett

Information extraction (IE) is an important task in Natural Language Processing (NLP), involving the extraction of named entities and their relationships from unstructured text. In this paper, we propose a novel approach to this task by…

计算与语言 · 计算机科学 2024-04-22 Urchade Zaratiana , Nadi Tomeh , Niama El Khbir , Pierre Holat , Thierry Charnois

Large language models have unlocked strong multi-task capabilities from reading instructive prompts. However, recent studies have shown that existing large models still have difficulty with information extraction tasks. For example,…

Multi-hop reading comprehension requires not only the ability to reason over raw text but also the ability to combine multiple evidence. We propose a novel learning approach that helps language models better understand difficult multi-hop…

计算与语言 · 计算机科学 2022-11-08 Xiao-Yu Guo , Yuan-Fang Li , Gholamreza Haffari

Information Extraction (IE) seeks to derive structured information from unstructured texts, often facing challenges in low-resource scenarios due to data scarcity and unseen classes. This paper presents a review of neural approaches to…

计算与语言 · 计算机科学 2024-10-29 Shumin Deng , Yubo Ma , Ningyu Zhang , Yixin Cao , Bryan Hooi

Automated multi-document extractive text summarization is a widely studied research problem in the field of natural language understanding. Such extractive mechanisms compute in some form the worthiness of a sentence to be included into the…

计算与语言 · 计算机科学 2019-12-30 Abhishek Kumar Singh , Manish Gupta , Vasudeva Varma

Recent advancements in large language models have shown impressive performance in general chat. However, their domain-specific capabilities, particularly in information extraction, have certain limitations. Extracting structured information…

计算与语言 · 计算机科学 2024-03-11 Jun Xu , Mengshu Sun , Zhiqiang Zhang , Jun Zhou

Information extraction (IE) aims to extract complex structured information from the text. Numerous datasets have been constructed for various IE tasks, leading to time-consuming and labor-intensive data annotations. Nevertheless, most…

机器学习 · 计算机科学 2024-03-05 Kedi Chen , Jie Zhou , Qin Chen , Shunyu Liu , Liang He

Large language models (LLMs) can perform a new task by merely conditioning on task instructions and a few input-output examples, without optimizing any parameters. This is called In-Context Learning (ICL). In-context Information Extraction…

计算与语言 · 计算机科学 2025-07-14 Chaoxu Pang , Yixuan Cao , Qiang Ding , Ping Luo

While text-based event extraction has been an active research area and has seen successful application in many domains, extracting semantic events from speech directly is an under-explored problem. In this paper, we introduce the Speech…

计算与语言 · 计算机科学 2024-01-30 Jingqi Kang , Tongtong Wu , Jinming Zhao , Guitao Wang , Guilin Qi , Yuan-Fang Li , Gholamreza Haffari

Eliciting knowledge from pre-trained language models via prompt-based learning has shown great potential in many natural language processing tasks. Whereas, the applications for more complex tasks such as event extraction are less studied…

计算与语言 · 计算机科学 2022-05-16 Jiaju Lin , Qin Chen

Knowledge discovery is defined as non-trivial extraction of implicit, previously unknown and potentially useful information from given data. Knowledge extraction from web documents deals with unstructured, free-format documents whose number…

神经与进化计算 · 计算机科学 2007-05-23 Vitaly Schetinin

We propose a novel framework for modeling event-related potentials (ERPs) collected during reading that couples pre-trained convolutional decoders with a language model. Using this framework, we compare the abilities of a variety of…

计算与语言 · 计算机科学 2019-04-03 Shaorong Yan , Aaron Steven White

Multi-hop reading comprehension requires the model to explore and connect relevant information from multiple sentences/documents in order to answer the question about the context. To achieve this, we propose an interpretable 3-module system…

计算与语言 · 计算机科学 2019-06-13 Yichen Jiang , Nitish Joshi , Yen-Chun Chen , Mohit Bansal

We present a novel iterative extraction model, IterX, for extracting complex relations, or templates (i.e., N-tuples representing a mapping from named slots to spans of text) within a document. Documents may feature zero or more instances…

计算与语言 · 计算机科学 2023-05-02 Yunmo Chen , William Gantt , Weiwei Gu , Tongfei Chen , Aaron Steven White , Benjamin Van Durme

Information Retriever (IR) aims to find the relevant documents (e.g. snippets, passages, and articles) to a given query at large scale. IR plays an important role in many tasks such as open domain question answering and dialogue systems,…

计算与语言 · 计算机科学 2022-06-01 Man Luo

Most previous work on the recently developed language-modeling approach to information retrieval focuses on document-specific characteristics, and therefore does not take into account the structure of the surrounding corpus. We propose a…

信息检索 · 计算机科学 2007-05-23 Oren Kurland , Lillian Lee

Information extraction (IE), one of the main tasks of natural language processing (NLP), has recently increased importance in the use of resumes. In studies on the text to extract information from the CV, sentence classification was…

计算与语言 · 计算机科学 2023-06-27 Selahattin Serdar Helli , Senem Tanberk , Sena Nur Cavsak

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

Large Language Models (LLMs) show remarkable potential for few-shot information extraction (IE), yet their performance is highly sensitive to the choice of in-context examples. Conventional selection strategies often fail to provide…