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With the advent of the Internet, large amount of digital text is generated everyday in the form of news articles, research publications, blogs, question answering forums and social media. It is important to develop techniques for extracting…

计算与语言 · 计算机科学 2017-12-15 Sachin Pawar , Girish K. Palshikar , Pushpak Bhattacharyya

Learning template based information extraction from documents is a crucial yet difficult task. Prior template-based IE approaches assume foreknowledge of the domain templates; however, real-world IE do not have pre-defined schemas and it is…

The objective of Information Extraction (IE) is to derive structured representations from unstructured or semi-structured documents. However, developing IE models is complex due to the need of integrating several subtasks. Additionally,…

信息检索 · 计算机科学 2024-06-04 Arne Binder , Leonhard Hennig , Christoph Alt

Event extraction (EE) is one of the core information extraction tasks, whose purpose is to automatically identify and extract information about incidents and their actors from texts. This may be beneficial to several domains such as…

机器学习 · 计算机科学 2020-10-29 Ali Balali , Masoud Asadpour , Ricardo Campos , Adam Jatowt

We present an empirical investigation of pre-trained Transformer-based auto-regressive language models for the task of open-domain dialogue generation. Training paradigm of pre-training and fine-tuning is employed to conduct the parameter…

计算与语言 · 计算机科学 2020-03-10 Piji Li

For human beings, the processing of text streams of unknown size leads generally to problems because e.g. noise must be selected out, information be tested for its relevance or redundancy, and linguistic phenomenon like ambiguity or the…

计算与语言 · 计算机科学 2008-10-28 Claudine Brucks , Christoph Schommer

We propose a new grammar-based language for defining information-extractors from documents (text) that is built upon the well-studied framework of document spanners for extracting structured data from text. While previously studied…

数据库 · 计算机科学 2023-01-25 Liat Peterfreund

The discovery of new materials has a documented history of propelling human progress for centuries and more. The behaviour of a material is a function of its composition, structure, and properties, which further depend on its processing and…

计算与语言 · 计算机科学 2024-04-30 Kausik Hira , Mohd Zaki , Dhruvil Sheth , Mausam , N M Anoop Krishnan

Like humans, document summarization models can interpret a document's contents in a number of ways. Unfortunately, the neural models of today are largely black boxes that provide little explanation of how or why they generated a summary in…

计算与语言 · 计算机科学 2020-12-15 Wang Haonan , Gao Yang , Bai Yu , Mirella Lapata , Huang Heyan

Document-level information extraction (IE) tasks have recently begun to be revisited in earnest using the end-to-end neural network techniques that have been successful on their sentence-level IE counterparts. Evaluation of the approaches,…

计算与语言 · 计算机科学 2022-09-16 Aliva Das , Xinya Du , Barry Wang , Kejian Shi , Jiayuan Gu , Thomas Porter , Claire Cardie

Lexicon acquisition from machine-readable dictionaries and corpora is currently a dynamic field of research, yet it is often not clear how lexical information so acquired can be used, or how it relates to structured meaning representations.…

cmp-lg · 计算机科学 2007-05-23 Adam Kilgarriff

Identifying argument components from unstructured texts and predicting the relationships expressed among them are two primary steps of argument mining. The intrinsic complexity of these tasks demands powerful learning models. While…

计算与语言 · 计算机科学 2022-03-25 Subhabrata Dutta , Jeevesh Juneja , Dipankar Das , Tanmoy Chakraborty

Word embedding methods revolve around learning continuous distributed vector representations of words with neural networks, which can capture semantic and/or syntactic cues, and in turn be used to induce similarity measures among words,…

计算与语言 · 计算机科学 2016-07-25 Kuan-Yu Chen , Shih-Hung Liu , Berlin Chen , Hsin-Min Wang , Hsin-Hsi Chen

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

Structural extraction of events within discourse is critical since it avails a deeper understanding of communication patterns and behavior trends. Event argument extraction (EAE), at the core of event-centric understanding, is the task of…

计算与语言 · 计算机科学 2025-03-21 Xinliang Frederick Zhang , Carter Blum , Temma Choji , Shalin Shah , Alakananda Vempala

This paper presents a novel approach to the acquisition of language models from corpora. The framework builds on Cobweb, an early system for constructing taxonomic hierarchies of probabilistic concepts that used a tabular, attribute-value…

计算与语言 · 计算机科学 2022-12-23 Christopher J. MacLellan , Peter Matsakis , Pat Langley

Multimodal information extraction (MIE) gains significant attention as the popularity of multimedia content increases. However, current MIE methods often resort to using task-specific model structures, which results in limited…

人工智能 · 计算机科学 2024-01-09 Lin Sun , Kai Zhang , Qingyuan Li , Renze Lou

Concurrent to the rapid progress in the development of neural-network based models in areas like natural language processing and computer vision, the need for creating explanations for the predictions of these black-box models has risen…

计算与语言 · 计算机科学 2025-08-18 Marc Brinner , Sina Zarriess

The task of event extraction has long been investigated in a supervised learning paradigm, which is bound by the number and the quality of the training instances. Existing training data must be manually generated through a combination of…

计算与语言 · 计算机科学 2017-12-12 Ying Zeng , Yansong Feng , Rong Ma , Zheng Wang , Rui Yan , Chongde Shi , Dongyan Zhao

Open Information Extraction (OIE) task aims at extracting structured facts from unstructured text, typically in the form of (subject, relation, object) triples. Despite the potential of large language models (LLMs) like ChatGPT as a general…