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Related papers: A Survey of Distant Supervision Methods using PGMs

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Existing knowledge-based question answering systems often rely on small annotated training data. While shallow methods like relation extraction are robust to data scarcity, they are less expressive than the deep meaning representation…

Computation and Language · Computer Science 2016-06-10 Kun Xu , Siva Reddy , Yansong Feng , Songfang Huang , Dongyan Zhao

In natural language, often multiple entities appear in the same text. However, most previous works in Relation Extraction (RE) limit the scope to identifying the relation between two entities at a time. Such an approach induces a quadratic…

Computation and Language · Computer Science 2020-10-13 Zhijing Jin , Yongyi Yang , Xipeng Qiu , Zheng Zhang

Most existing methods determine relation types only after all the entities have been recognized, thus the interaction between relation types and entity mentions is not fully modeled. This paper presents a novel paradigm to deal with…

Computation and Language · Computer Science 2018-11-12 Ryuichi Takanobu , Tianyang Zhang , Jiexi Liu , Minlie Huang

High dimensional time series datasets are becoming increasingly common in various fields such as economics, finance, meteorology, and neuroscience. Given this ubiquity of time series data, it is surprising that very few works on variable…

Methodology · Statistics 2018-04-17 Kashif Yousuf , Yang Feng

Distantly-supervised relation extraction (RE) is an effective method to scale RE to large corpora but suffers from noisy labels. Existing approaches try to alleviate noise through multi-instance learning and by providing additional…

Computation and Language · Computer Science 2021-02-03 Despina Christou , Grigorios Tsoumakas

Most of the work on query evaluation in probabilistic databases has focused on the simple tuple-independent data model, where tuples are independent random events. Several efficient query evaluation techniques exists in this setting, such…

Databases · Computer Science 2012-08-02 Abhay Jha , Dan Suciu

We investigate a method to extract relations from texts based on global alignment and syntactic information. Combined with SVM, this method is shown to have a performance comparable or even better than LSTM on two RE tasks.

Other Quantitative Biology · Quantitative Biology 2021-12-07 Anfu Tang , Claire Nédellec , Pierre Zweigenbaum , Louise Deléger , Robert Bossy

Distant supervision makes it possible to automatically label bags of sentences for relation extraction by leveraging knowledge bases, but suffers from the sparse and noisy bag issues. Additional information sources are urgently needed to…

Computation and Language · Computer Science 2020-12-18 Zhendong Chu , Haiyun Jiang , Yanghua Xiao , Wei Wang

Information extraction (IE) from text has largely focused on relations between individual entities, such as who has won which award. However, some facts are never fully mentioned, and no IE method has perfect recall. Thus, it is beneficial…

Computation and Language · Computer Science 2017-05-30 Paramita Mirza , Simon Razniewski , Fariz Darari , Gerhard Weikum

Instead of requiring a domain expert to specify the probabilistic dependencies of the data, in this work we present an approach that uses the relational DB schema to automatically construct a Bayesian graphical model for a database. This…

Artificial Intelligence · Computer Science 2012-12-07 Sameer Singh , Thore Graepel

Knowledge graphs (KGs) are widely used to facilitate relation extraction (RE) tasks. While most previous RE methods focus on leveraging deterministic KGs, uncertain KGs, which assign a confidence score for each relation instance, can…

Computation and Language · Computer Science 2021-04-29 Bo Li , Wei Ye , Canming Huang , Shikun Zhang

We consider the problem of better modeling query-cluster interactions to facilitate query focused multi-document summarization (QFS). Due to the lack of training data, existing work relies heavily on retrieval-style methods for estimating…

Computation and Language · Computer Science 2020-04-08 Yumo Xu , Mirella Lapata

Distantly supervised relation extraction is widely used to extract relational facts from text, but suffers from noisy labels. Current relation extraction methods try to alleviate the noise by multi-instance learning and by providing…

Computation and Language · Computer Science 2019-06-21 Christoph Alt , Marc Hübner , Leonhard Hennig

Objective: To automatically create large labeled training datasets and reduce the efforts of feature engineering for training accurate machine learning models for clinical information extraction. Materials and Methods: We propose a distant…

Information Retrieval · Computer Science 2018-04-24 Yanshan Wang , Sunghwan Sohn , Sijia Liu , Feichen Shen , Liwei Wang , Elizabeth J. Atkinson , Shreyasee Amin , Hongfang Liu

We present a novel framework to deal with relation extraction tasks in cases where there is complete lack of supervision, either in the form of gold annotations, or relations from a knowledge base. Our approach leverages syntactic parsing…

Machine Learning · Computer Science 2019-11-04 Yannis Papanikolaou , Ian Roberts , Andrea Pierleoni

Mining relationships between treatment(s) and medical problem(s) is vital in the biomedical domain. This helps in various applications, such as decision support system, safety surveillance, and new treatment discovery. We propose a deep…

Machine Learning · Computer Science 2018-07-02 Veera Raghavendra Chikka , Kamalakar Karlapalem

Relation Extraction (RE) is a pivotal task in automatically extracting structured information from unstructured text. In this paper, we present a multi-faceted approach that integrates representative examples and through co-set expansion.…

Computation and Language · Computer Science 2023-08-24 Yerong Li , Roxana Girju

As diffusion probabilistic models (DPMs) are being employed as mainstream models for generative artificial intelligence (AI), the study of their memorization of the raw training data has attracted growing attention. Existing works in this…

Cryptography and Security · Computer Science 2024-10-15 Yunhao Chen , Xingjun Ma , Difan Zou , Yu-Gang Jiang

This paper proposes a programmable relation extraction method for the English language by parsing texts into semantic graphs. A person can define rules in plain English that act as matching patterns onto the graph representation. These…

Computation and Language · Computer Science 2020-11-06 Alberto Cetoli

Distant supervision uses triple facts in knowledge graphs to label a corpus for relation extraction, leading to wrong labeling and long-tail problems. Some works use the hierarchy of relations for knowledge transfer to long-tail relations.…

Computation and Language · Computer Science 2021-09-21 Yang Li , Guodong Long , Tao Shen , Jing Jiang