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Relation extraction (RE) has been extensively studied due to its importance in real-world applications such as knowledge base construction and question answering. Most of the existing works train the models on either distantly supervised…

Computation and Language · Computer Science 2020-11-25 Woohwan Jung , Kyuseok Shim

Multimodal relation extraction (MRE) is the task of identifying the semantic relationships between two entities based on the context of the sentence image pair. Existing retrieval-augmented approaches mainly focused on modeling the…

Computation and Language · Computer Science 2023-05-26 Xuming Hu , Zhijiang Guo , Zhiyang Teng , Irwin King , Philip S. Yu

Scarcity of labeled data is one of the most frequent problems faced in machine learning. This is particularly true in relation extraction in text mining, where large corpora of texts exists in many application domains, while labeling of…

Machine Learning · Computer Science 2018-07-13 Linara Adilova , Sven Giesselbach , Stefan Rüping

Despite some empirical success at correcting exposure bias in machine translation, scheduled sampling algorithms suffer from a major drawback: they incorrectly assume that words in the reference translations and in sampled sequences are…

Computation and Language · Computer Science 2019-05-07 Weijia Xu , Xing Niu , Marine Carpuat

Relation triple extraction, which outputs a set of triples from long sentences, plays a vital role in knowledge acquisition. Large language models can accurately extract triples from simple sentences through few-shot learning or fine-tuning…

Computation and Language · Computer Science 2024-04-16 Zepeng Ding , Wenhao Huang , Jiaqing Liang , Deqing Yang , Yanghua Xiao

Unsupervised relation extraction (URE) aims to extract relations between named entities from raw text without requiring manual annotations or pre-existing knowledge bases. In recent studies of URE, researchers put a notable emphasis on…

Computation and Language · Computer Science 2023-12-04 Qing Wang , Kang Zhou , Qiao Qiao , Yuepei Li , Qi Li

Joint entity and relation extraction is a process that identifies entity pairs and their relations using a single model. We focus on the problem of joint extraction in distantly-labeled data, whose labels are generated by aligning entity…

Computation and Language · Computer Science 2024-05-28 Yufei Li , Xiao Yu , Yanghong Guo , Yanchi Liu , Haifeng Chen , Cong Liu

Traditional supervised learning tasks require a label for every instance in the training set, but in many real-world applications, labels are only available for collections (bags) of instances. This problem setting, known as multiple…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Georg Wölflein , Lucie Charlotte Magister , Pietro Liò , David J. Harrison , Ognjen Arandjelović

We present Relational Sentence Embedding (RSE), a new paradigm to further discover the potential of sentence embeddings. Prior work mainly models the similarity between sentences based on their embedding distance. Because of the complex…

Computation and Language · Computer Science 2023-06-09 Bin Wang , Haizhou Li

When applying multi-instance learning (MIL) to make predictions for bags of instances, the prediction accuracy of an instance often depends on not only the instance itself but also its context in the corresponding bag. From the viewpoint of…

Computer Vision and Pattern Recognition · Computer Science 2022-04-25 Tiancheng Lin , Hongteng Xu , Canqian Yang , Yi Xu

Open relation extraction (OpenRE) is the task of extracting relation schemes from open-domain corpora. Most existing OpenRE methods either do not fully benefit from high-quality labeled corpora or can not learn semantic representation…

Computation and Language · Computer Science 2022-06-02 Yutong Wang , Renze Lou , Kai Zhang , MaoYan Chen , Yujiu Yang

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

Relation extraction is the problem of classifying the relationship between two entities in a given sentence. Distant Supervision (DS) is a popular technique for developing relation extractors starting with limited supervision. We note that…

Computation and Language · Computer Science 2018-04-20 Sharmistha Jat , Siddhesh Khandelwal , Partha Talukdar

Many valid translations exist for a given sentence, yet machine translation (MT) is trained with a single reference translation, exacerbating data sparsity in low-resource settings. We introduce Simulated Multiple Reference Training (SMRT),…

Computation and Language · Computer Science 2021-04-23 Huda Khayrallah , Brian Thompson , Matt Post , Philipp Koehn

We propose a new formulation of Multiple-Instance Learning (MIL). In typical MIL settings, a unit of data is given as a set of instances called a bag and the goal is to find a good classifier of bags based on similarity from a single or…

Machine Learning · Computer Science 2018-12-11 Daiki Suehiro , Kohei Hatano , Eiji Takimoto , Shuji Yamamoto , Kenichi Bannai , Akiko Takeda

BERT is inefficient for sentence-pair tasks such as clustering or semantic search as it needs to evaluate combinatorially many sentence pairs which is very time-consuming. Sentence BERT (SBERT) attempted to solve this challenge by learning…

Computation and Language · Computer Science 2021-02-08 Yan Zhang , Ruidan He , Zuozhu Liu , Kwan Hui Lim , Lidong Bing

Due to the semantic complexity of the Relation extraction (RE) task, obtaining high-quality human labelled data is an expensive and noisy process. To improve the sample efficiency of the models, semi-supervised learning (SSL) methods aim to…

Computation and Language · Computer Science 2023-06-21 Komal K. Teru

In this paper, we propose a novel approach to tackle the multiple instance regression (MIR) problem. This problem arises when the data is a collection of bags, where each bag is made of multiple instances corresponding to the same unique…

Machine Learning · Statistics 2020-03-13 Thomas Uriot

In recent years, text summarization methods have attracted much attention again thanks to the researches on neural network models. Most of the current text summarization methods based on neural network models are supervised methods which…

Computation and Language · Computer Science 2024-01-25 Dehao Tao , Yingzhu Xiong , Zhongliang Yang , Yongfeng Huang

Many modern sequential recommender systems use deep neural networks, which can effectively estimate the relevance of items but require a lot of time to train. Slow training increases expenses, hinders product development timescales and…

Information Retrieval · Computer Science 2022-07-18 Aleksandr Petrov , Craig Macdonald