中文
相关论文

相关论文: Corpus-level Fine-grained Entity Typing Using Cont…

200 篇论文

Corpus-based set expansion (i.e., finding the "complete" set of entities belonging to the same semantic class, based on a given corpus and a tiny set of seeds) is a critical task in knowledge discovery. It may facilitate numerous downstream…

计算与语言 · 计算机科学 2019-10-21 Jiaming Shen , Zeqiu Wu , Dongming Lei , Jingbo Shang , Xiang Ren , Jiawei Han

Decision-making usually takes five steps: identifying the problem, collecting data, extracting evidence, identifying pro and con arguments, and making decisions. Focusing on extracting evidence, this paper presents a hybrid model that…

信息检索 · 计算机科学 2021-02-04 Patrick Abels , Zahra Ahmadi , Sophie Burkhardt , Benjamin Schiller , Iryna Gurevych , Stefan Kramer

Fine-Grained Named Entity Typing (FG-NET) aims at classifying the entity mentions into a wide range of entity types (usually hundreds) depending upon the context. While distant supervision is the most common way to acquire supervised…

计算与语言 · 计算机科学 2022-06-22 Muhammad Asif Ali , Yifang Sun , Bing Li , Wei Wang

Recent advances in machine learning, particularly Large Language Models (LLMs) such as BERT and GPT, provide rich contextual embeddings that improve text representation. However, current document clustering approaches often ignore the…

计算与语言 · 计算机科学 2024-12-20 Imed Keraghel , Mohamed Nadif

Relation extraction task is a crucial and challenging aspect of Natural Language Processing. Several methods have surfaced as of late, exhibiting notable performance in addressing the task; however, most of these approaches rely on vast…

计算与语言 · 计算机科学 2023-08-25 Fréjus A. A. Laleye , Loïc Rakotoson , Sylvain Massip

In this work, we aim at equipping pre-trained language models with structured knowledge. We present two self-supervised tasks learning over raw text with the guidance from knowledge graphs. Building upon entity-level masked language models,…

计算与语言 · 计算机科学 2020-04-30 Tao Shen , Yi Mao , Pengcheng He , Guodong Long , Adam Trischler , Weizhu Chen

Entity extraction is fundamental to many text mining tasks such as organisation name recognition. A popular approach to entity extraction is based on matching sub-string candidates in a document against a dictionary of entities. To handle…

数据库 · 计算机科学 2017-02-14 Zeyi Wen , Dong Deng , Rui Zhang , Kotagiri Ramamohanarao

Entity type prediction is an important problem in knowledge graph (KG) research. A new KG entity type prediction method, named CORE (COmplex space Regression and Embedding), is proposed in this work. The proposed CORE method leverages the…

机器学习 · 计算机科学 2022-04-12 Xiou Ge , Yun-Cheng Wang , Bin Wang , C. -C. Jay Kuo

We study the problem of few-shot Fine-grained Entity Typing (FET), where only a few annotated entity mentions with contexts are given for each entity type. Recently, prompt-based tuning has demonstrated superior performance to standard…

计算与语言 · 计算机科学 2022-06-29 Jiaxin Huang , Yu Meng , Jiawei Han

Extracting structured knowledge from texts has traditionally been used for knowledge base generation. However, other sources of information, such as images can be leveraged into this process to build more complete and richer knowledge…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Ashutosh Tiwari , Sandeep Varma

External knowledge,e.g., entities and entity descriptions, can help humans understand texts. Many works have been explored to include external knowledge in the pre-trained models. These methods, generally, design pre-training tasks and…

计算与语言 · 计算机科学 2022-08-19 Qinghua Zhao , Shuai Ma , Yuxuan Lei

The explosion of e-commerce has caused the need for processing and analysis of product titles, like entity typing in product titles. However, the rapid activity in e-commerce has led to the rapid emergence of new entities, which is…

计算与语言 · 计算机科学 2022-11-07 Yibo Wang , Congying Xia , Guan Wang , Philip Yu

Most researches for knowledge graph completion learn representations of entities and relations to predict missing links in incomplete knowledge graphs. However, these methods fail to take full advantage of both the contextual information of…

计算与语言 · 计算机科学 2020-12-15 Ziyue Qiao , Zhiyuan Ning , Yi Du , Yuanchun Zhou

Entity alignment seeks to find entities in different knowledge graphs (KGs) that refer to the same real-world object. Recent advancement in KG embedding impels the advent of embedding-based entity alignment, which encodes entities in a…

计算与语言 · 计算机科学 2020-07-21 Zequn Sun , Qingheng Zhang , Wei Hu , Chengming Wang , Muhao Chen , Farahnaz Akrami , Chengkai Li

Named entity recognition in real-world applications suffers from the diversity of entity types, the emergence of new entity types, and the lack of high-quality annotations. To address the above problems, this paper proposes an in-context…

计算与语言 · 计算机科学 2023-05-29 Jiawei Chen , Yaojie Lu , Hongyu Lin , Jie Lou , Wei Jia , Dai Dai , Hua Wu , Boxi Cao , Xianpei Han , Le Sun

Applying machine learning algorithms to large-scale, text-based corpora (embeddings) presents a unique opportunity to investigate at scale how human semantic knowledge is organized and how people use it to judge fundamental relationships,…

计算与语言 · 计算机科学 2020-07-17 Marius Cătălin Iordan , Tyler Giallanza , Cameron T. Ellis , Nicole M. Beckage , Jonathan D. Cohen

Named entity linking is to map an ambiguous mention in documents to an entity in a knowledge base. The named entity linking is challenging, given the fact that there are multiple candidate entities for a mention in a document. It is…

计算与语言 · 计算机科学 2020-02-13 Wei Shi , Siyuan Zhang , Zhiwei Zhang , Hong Cheng , Jeffrey Xu Yu

The Knowledge Graph Entity Typing (KGET) task aims to predict missing type annotations for entities in knowledge graphs. Recent works only utilize the \textit{\textbf{structural knowledge}} in the local neighborhood of entities,…

计算与语言 · 计算机科学 2024-11-18 Muzhi Li , Minda Hu , Irwin King , Ho-fung Leung

Entity relatedness has emerged as an important feature in a plethora of applications such as information retrieval, entity recommendation and entity linking. Given an entity, for instance a person or an organization, entity relatedness…

信息检索 · 计算机科学 2018-10-25 Nilamadhaba Mohapatra , Vasileios Iosifidis , Asif Ekbal , Stefan Dietze , Pavlos Fafalios

Current systems of fine-grained entity typing use distant supervision in conjunction with existing knowledge bases to assign categories (type labels) to entity mentions. However, the type labels so obtained from knowledge bases are often…

计算与语言 · 计算机科学 2016-02-18 Xiang Ren , Wenqi He , Meng Qu , Clare R. Voss , Heng Ji , Jiawei Han