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With the advent of artificial intelligence (AI), many researchers are attempting to extract structured information from document-level biomedical literature by fine-tuning large language models (LLMs). However, they face significant…

Neural and Evolutionary Computing · Computer Science 2026-02-26 Lei Zhao , Ling Kang , Quan Guo

Relation Extraction (RE) has attracted increasing attention, but current RE evaluation is limited to in-domain evaluation setups. Little is known on how well a RE system fares in challenging, but realistic out-of-distribution evaluation…

Computation and Language · Computer Science 2022-10-19 Elisa Bassignana , Barbara Plank

In enterprise settings, efficiently retrieving relevant information from large and complex knowledge bases is essential for operational productivity and informed decision-making. This research presents a systematic empirical framework for…

Causal relation extraction of biomedical entities is one of the most complex tasks in biomedical text mining, which involves two kinds of information: entity relations and entity functions. One feasible approach is to take relation…

Computation and Language · Computer Science 2022-08-03 Dongling Li , Pengchao Wu , Yuehu Dong , Jinghang Gu , Longhua Qian , Guodong Zhou

This study introduces a novel approach to sentence-level relation extraction (RE) that integrates Graph Neural Networks (GNNs) with Large Language Models (LLMs) to generate contextually enriched support documents. By harnessing the power of…

Computation and Language · Computer Science 2024-11-01 Vicky Dong , Hao Yu , Yao Chen

Semi-supervised learning is a challenging problem which aims to construct a model by learning from a limited number of labeled examples. Numerous methods have been proposed to tackle this problem, with most focusing on utilizing the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-02 Peng Tu , Yawen Huang , Rongrong Ji , Feng Zheng , Ling Shao

Collaborative filtering (CF) stands as a cornerstone in recommender systems, yet effectively leveraging the massive unlabeled data presents a significant challenge. Current research focuses on addressing the challenge of unlabeled data by…

Information Retrieval · Computer Science 2024-12-25 Yuhan Zhao , Rui Chen , Qilong Han , Hongtao Song , Li Chen

Pre-trained Language Models (PLMs) have achieved great success on Machine Reading Comprehension (MRC) over the past few years. Although the general language representation learned from large-scale corpora does benefit MRC, the poor support…

Computation and Language · Computer Science 2021-05-19 Fangkai Jiao , Yangyang Guo , Yilin Niu , Feng Ji , Feng-Lin Li , Liqiang Nie

Large language models (LLMs) are being increasingly tuned to power complex generation tasks such as writing, fact-seeking, querying and reasoning. Traditionally, human or model feedback for evaluating and further tuning LLM performance has…

Computation and Language · Computer Science 2024-04-09 Yukti Makhija , Priyanka Agrawal , Rishi Saket , Aravindan Raghuveer

Distant supervision (DS) has been widely used to generate auto-labeled data for sentence-level relation extraction (RE), which improves RE performance. However, the existing success of DS cannot be directly transferred to the more…

Computation and Language · Computer Science 2020-11-10 Chaojun Xiao , Yuan Yao , Ruobing Xie , Xu Han , Zhiyuan Liu , Maosong Sun , Fen Lin , Leyu Lin

Federated learning aims to collaboratively learn a model by using the data from multiple users under privacy constraints. In this paper, we study the multi-label classification problem under the federated learning setting, where trivial…

Machine Learning · Computer Science 2024-04-25 Xuming An , Dui Wang , Li Shen , Yong Luo , Han Hu , Bo Du , Yonggang Wen , Dacheng Tao

Many graph embedding approaches have been proposed for knowledge graph completion via link prediction. Among those, translating embedding approaches enjoy the advantages of light-weight structure, high efficiency and great interpretability.…

Computation and Language · Computer Science 2020-10-13 Hao Huang , Guodong Long , Tao Shen , Jing Jiang , Chengqi Zhang

Document-level relation extraction (Doc-RE) aims to extract relations between entities across multiple sentences. Therefore, Doc-RE requires more comprehensive reasoning abilities like humans, involving complex cross-sentence interactions…

Computation and Language · Computer Science 2025-08-05 Chengcheng Mai , Yuxiang Wang , Ziyu Gong , Hanxiang Wang , Yihua Huang

Knowledge-based question answering relies on the availability of facts, the majority of which cannot be found in structured sources (e.g. Wikipedia info-boxes, Wikidata). One of the major components of extracting facts from unstructured…

Computation and Language · Computer Science 2018-03-28 Christos Christodoulopoulos , Arpit Mittal

Multilingual e-commerce search suffers from severe data imbalance across languages, label noise, and limited supervision for low-resource languages--challenges that impede the cross-lingual generalization of relevance models despite the…

Information Retrieval · Computer Science 2025-10-27 Yabo Yin , Yang Xi , Jialong Wang , Shanqi Wang , Jiateng Hu

Document-level relation extraction (DocRE) aims to determine the relation between two entities from a document of multiple sentences. Recent studies typically represent the entire document by sequence- or graph-based models to predict the…

Computation and Language · Computer Science 2022-04-28 Wang Xu , Kehai Chen , Lili Mou , Tiejun Zhao

Event classification at sentence level is an important Information Extraction task with applications in several NLP, IR, and personalization systems. Multi-label binary relevance (BR) are the state-of-art methods. In this work, we explored…

Computation and Language · Computer Science 2014-03-26 Luís Marujo , Anatole Gershman , Jaime Carbonell , João P. Neto , David Martins de Matos

Open Relation Extraction (OpenRE) seeks to identify and extract novel relational facts between named entities from unlabeled data without pre-defined relation schemas. Traditional OpenRE methods typically assume that the unlabeled data…

Computation and Language · Computer Science 2025-05-30 Qing Wang , Yuepei Li , Qiao Qiao , Kang Zhou , Qi Li

Document-level relation extraction (RE) aims to identify the relations between entities throughout an entire document. It needs complex reasoning skills to synthesize various knowledge such as coreferences and commonsense. Large-scale…

Computation and Language · Computer Science 2022-07-26 Xinyi Wang , Zitao Wang , Weijian Sun , Wei Hu

Ranking consistently emerges as a primary focus in information retrieval research. Retrieval and ranking models serve as the foundation for numerous applications, including web search, open domain QA, enterprise domain QA, and text-based…

Information Retrieval · Computer Science 2024-12-16 Hansa Meghwani