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相关论文: Data Augmentation for Personal Knowledge Base Popu…

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Pretrained language models (PLMs) have made remarkable progress in table-to-text generation tasks. However, the lack of domain-specific knowledge makes it challenging to bridge the topological gap between tabular data and text, especially…

计算与语言 · 计算机科学 2024-03-28 Zhixin Guo , Minyxuan Yan , Jiexing Qi , Jianping Zhou , Ziwei He , Guanjie Zheng , Xinbing Wang

Recent work in entity disambiguation (ED) has typically neglected structured knowledge base (KB) facts, and instead relied on a limited subset of KB information, such as entity descriptions or types. This limits the range of contexts in…

计算与语言 · 计算机科学 2022-07-12 Tom Ayoola , Joseph Fisher , Andrea Pierleoni

Knowledge bases (KBs) have attracted increasing attention due to its great success in various areas, such as Web and mobile search.Existing KBs are restricted to objective factual knowledge, such as city population or fruit shape,…

数据库 · 计算机科学 2017-05-17 Rui Meng , Hao Xin , Lei Chen , Yangqiu Song

The successful training of neural networks typically involves careful and time consuming hyperparameter tuning. Population Based Training (PBT) has recently been proposed to automate this process. PBT trains a population of neural networks…

神经与进化计算 · 计算机科学 2021-09-29 Valentin Dalibard , Max Jaderberg

Discovering entity mentions that are out of a Knowledge Base (KB) from texts plays a critical role in KB maintenance, but has not yet been fully explored. The current methods are mostly limited to the simple threshold-based approach and…

计算与语言 · 计算机科学 2023-09-06 Hang Dong , Jiaoyan Chen , Yuan He , Yinan Liu , Ian Horrocks

In recent years, there has been a surge of interests in interpretable graph reasoning methods. However, these models often suffer from limited performance when working on sparse and incomplete graphs, due to the lack of evidential paths…

人工智能 · 计算机科学 2019-09-15 Cong Fu , Tong Chen , Meng Qu , Woojeong Jin , Xiang Ren

KnowledgeTracing (KT) involves predicting students' knowledge states based on their interactions with Intelligent Tutoring Systems (ITS). A key challenge is the cold start problem, accurately predicting knowledge for new students with…

计算机与社会 · 计算机科学 2026-02-09 Indronil Bhattacharjee , Christabel Wayllace

Open Domain Question Answering (QA) is evolving from complex pipelined systems to end-to-end deep neural networks. Specialized neural models have been developed for extracting answers from either text alone or Knowledge Bases (KBs) alone.…

计算与语言 · 计算机科学 2018-09-05 Haitian Sun , Bhuwan Dhingra , Manzil Zaheer , Kathryn Mazaitis , Ruslan Salakhutdinov , William W. Cohen

Commonsense knowledge bases (KB) are a source of specialized knowledge that is widely used to improve machine learning applications. However, even for a large KB such as ConceptNet, capturing explicit knowledge from each industry domain is…

计算与语言 · 计算机科学 2025-05-13 Rituraj Singh , Sachin Pawar , Girish Palshikar

Knowledge graphs suffer from sparsity which degrades the quality of representations generated by various methods. While there is an abundance of textual information throughout the web and many existing knowledge bases, aligning information…

计算与语言 · 计算机科学 2021-04-13 Saed Rezayi , Handong Zhao , Sungchul Kim , Ryan A. Rossi , Nedim Lipka , Sheng Li

The objective of the knowledge base completion problem is to infer missing information from existing facts in a knowledge base. Prior work has demonstrated the effectiveness of path-ranking based methods, which solve the problem by…

人工智能 · 计算机科学 2019-11-27 Weiyu Liu , Angel Daruna , Zsolt Kira , Sonia Chernova

Given a knowledge base or KB containing (noisy) facts about common nouns or generics, such as "all trees produce oxygen" or "some animals live in forests", we consider the problem of inferring additional such facts at a precision similar to…

人工智能 · 计算机科学 2018-03-30 Hanie Sedghi , Ashish Sabharwal

We present NNMFAug, a probabilistic framework to perform data augmentation for the task of knowledge graph completion to counter the problem of data scarcity, which can enhance the learning process of neural link predictors. Our method can…

机器学习 · 计算机科学 2021-10-27 Jatin Chauhan , Priyanshu Gupta , Pasquale Minervini

Knowledge Graphs (KGs) have found many applications in industry and academic settings, which in turn, have motivated considerable research efforts towards large-scale information extraction from a variety of sources. Despite such efforts,…

机器学习 · 计算机科学 2021-01-25 Andrea Rossi , Donatella Firmani , Antonio Matinata , Paolo Merialdo , Denilson Barbosa

Addressing the challenges related to data sparsity, cold-start problems, and diversity in recommendation systems is both crucial and demanding. Many current solutions leverage knowledge graphs to tackle these issues by combining both…

Knowledge graphs are useful for many artificial intelligence tasks but often have missing data. Hence, a method for completing knowledge graphs is required. Existing approaches include embedding models, the Path Ranking Algorithm, and rule…

人工智能 · 计算机科学 2019-09-11 Takuma Ebisu , Ryutaro Ichise

Knowledge tracing plays a pivotal role in intelligent tutoring systems. This task aims to predict the probability of students answering correctly to specific questions. To do so, knowledge tracing systems should trace the knowledge state of…

人工智能 · 计算机科学 2023-06-13 Hyeondey Kim , Jinwoo Nam , Minjae Lee , Yun Jegal , Kyungwoo Song

Data-to-text generation has recently attracted substantial interests due to its wide applications. Existing methods have shown impressive performance on an array of tasks. However, they rely on a significant amount of labeled data for each…

计算与语言 · 计算机科学 2020-10-13 Wenhu Chen , Yu Su , Xifeng Yan , William Yang Wang

We propose a novel crowd counting approach that leverages abundantly available unlabeled crowd imagery in a learning-to-rank framework. To induce a ranking of cropped images , we use the observation that any sub-image of a crowded scene…

计算机视觉与模式识别 · 计算机科学 2018-03-09 Xialei Liu , Joost van de Weijer , Andrew D. Bagdanov

Both electronic health records and personal health records are typically organized by data type, with medical problems, medications, procedures, and laboratory results chronologically sorted in separate areas of the chart. As a result, it…

机器学习 · 计算机科学 2020-08-10 James Mullenbach , Jordan Swartz , T. Greg McKelvey , Hui Dai , David Sontag