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Complementary item recommendations are a ubiquitous feature of modern e-commerce sites. Such recommendations are highly effective when they are based on collaborative signals like co-purchase statistics. In certain online marketplaces,…

信息检索 · 计算机科学 2023-03-13 Koby Bibas , Oren Sar Shalom , Dietmar Jannach

Deep neural models for named entity recognition (NER) have shown impressive results in overcoming label scarcity and generalizing to unseen entities by leveraging distant supervision and auxiliary information such as explanations. However,…

Semi-supervised learning (SSL) has achieved great success in leveraging a large amount of unlabeled data to learn a promising classifier. A popular approach is pseudo-labeling that generates pseudo labels only for those unlabeled data with…

计算机视觉与模式识别 · 计算机科学 2022-12-29 Qinyi Deng , Yong Guo , Zhibang Yang , Haolin Pan , Jian Chen

Complementary-label learning is a weakly supervised learning problem in which each training example is associated with one or multiple complementary labels indicating the classes to which it does not belong. Existing consistent approaches…

机器学习 · 计算机科学 2024-10-14 Wei Wang , Takashi Ishida , Yu-Jie Zhang , Gang Niu , Masashi Sugiyama

Complex Named Entity Recognition (NER) is the task of detecting linguistically complex named entities in low-context text. In this paper, we present ACLM Attention-map aware keyword selection for Conditional Language Model fine-tuning), a…

计算与语言 · 计算机科学 2023-06-02 Sreyan Ghosh , Utkarsh Tyagi , Manan Suri , Sonal Kumar , S Ramaneswaran , Dinesh Manocha

Convolutional neural networks (CNNs) have been successfully applied to solve the problem of correspondence estimation between semantically related images. Due to non-availability of large training datasets, existing methods resort to…

计算机视觉与模式识别 · 计算机科学 2019-01-25 Zakaria Laskar , Juho Kannala

Graph Neural Networks (GNNs) have demonstrated great success in Knowledge Graph Completion (KGC) by modeling how entities and relations interact in recent years. However, most of them are designed to learn from the observed graph structure,…

机器学习 · 计算机科学 2023-02-28 Heng Chang , Jie Cai , Jia Li

Most of previous work in knowledge base (KB) completion has focused on the problem of relation extraction. In this work, we focus on the task of inferring missing entity type instances in a KB, a fundamental task for KB competition yet…

计算与语言 · 计算机科学 2015-04-28 Arvind Neelakantan , Ming-Wei Chang

Named Entity Recognition (NER) is a critical task that requires substantial annotated data, making it challenging in low-resource scenarios where label acquisition is expensive. While zero-shot and instruction-tuned approaches have made…

计算与语言 · 计算机科学 2025-10-21 Nanda Kumar Rengarajan , Jun Yan , Chun Wang

In the domain of Natural Language Processing (NLP), Named Entity Recognition (NER) stands out as a pivotal mechanism for extracting structured insights from unstructured text. This manuscript offers an exhaustive exploration into the…

计算与语言 · 计算机科学 2023-09-26 Kalyani Pakhale

The clinical named entity recognition (CNER) task seeks to locate and classify clinical terminologies into predefined categories, such as diagnostic procedure, disease disorder, severity, medication, medication dosage, and sign symptom.…

计算与语言 · 计算机科学 2021-06-25 Yichao Zhou , Chelsea Ju , J. Harry Caufield , Kevin Shih , Calvin Chen , Yizhou Sun , Kai-Wei Chang , Peipei Ping , Wei Wang

In this paper, we propose a novel framework that combines ensemble learning with augmented graph structures to improve the performance and robustness of semi-supervised node classification in graphs. By creating multiple augmented views of…

机器学习 · 计算机科学 2025-03-25 Maryam Abdolali , Romina Zakerian , Behnam Roshanfekr , Fardin Ayar , Mohammad Rahmati

In this work we investigate the capability of Graph Attention Network for extracting aspect and opinion terms. Aspect and opinion term extraction is posed as a token-level classification task akin to named entity recognition. We use the…

计算与语言 · 计算机科学 2024-05-01 Abir Chakraborty

Crowdsourcing is regarded as one prospective solution for effective supervised learning, aiming to build large-scale annotated training data by crowd workers. Previous studies focus on reducing the influences from the noises of the…

计算与语言 · 计算机科学 2021-11-16 Xin Zhang , Guangwei Xu , Yueheng Sun , Meishan Zhang , Pengjun Xie

Existing deep multi-object tracking (MOT) approaches first learn a deep representation to describe target objects and then associate detection results by optimizing a linear assignment problem. Despite demonstrated successes, it is…

计算机视觉与模式识别 · 计算机科学 2019-07-30 Jun Xiang , Ma Chao , Guohan Xu , Jianhua Hou

In the area of community question answering (CQA), answer selection and answer ranking are two tasks which are applied to help users quickly access valuable answers. Existing solutions mainly exploit the syntactic or semantic correlation…

计算与语言 · 计算机科学 2019-07-16 Binbin Jin , Enhong Chen , Hongke Zhao , Zhenya Huang , Qi Liu , Hengshu Zhu , Shui Yu

Understanding searchers' queries is an essential component of semantic search systems. In many cases, search queries involve specific attributes of an entity in a knowledge base (KB), which can be further used to find query answers. In this…

信息检索 · 计算机科学 2018-09-25 Arash Dargahi Nobari , Arian Askari , Faegheh Hasibi , Mahmood Neshati

News image captioning aims to produce journalistically informative descriptions by combining visual content with contextual cues from associated articles. Despite recent advances, existing methods struggle with three key challenges: (1)…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Xiaoxing You , Qiang Huang , Lingyu Li , Chi Zhang , Xiaopeng Liu , Min Zhang , Jun Yu

Existing models for named entity recognition (NER) are mainly based on large-scale labeled datasets, which always obtain using crowdsourcing. However, it is hard to obtain a unified and correct label via majority voting from multiple…

计算与语言 · 计算机科学 2023-07-28 Limao Xiong , Jie Zhou , Qunxi Zhu , Xiao Wang , Yuanbin Wu , Qi Zhang , Tao Gui , Xuanjing Huang , Jin Ma , Ying Shan

In this paper, we propose a novel method to enhance sentiment analysis by addressing the challenge of context-specific word meanings. It combines the advantages of a BERT model with a knowledge graph based synonym data. This synergy…

计算与语言 · 计算机科学 2025-03-20 Kavita Sharma , Ritu Patel , Sunita Iyer