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Cross-domain NER is a practical yet challenging problem since the data scarcity in the real-world scenario. A common practice is first to learn a NER model in a rich-resource general domain and then adapt the model to specific domains. Due…

计算与语言 · 计算机科学 2024-08-09 Junhao Zheng , Haibin Chen , Qianli Ma

Domain adaption has been widely adapted for cross-domain sentiment analysis to transfer knowledge from the source domain to the target domain. Whereas, most methods are proposed under the assumption that the target (test) domain is known,…

计算与语言 · 计算机科学 2024-02-23 Siyin Wang , Jie Zhou , Qin Chen , Qi Zhang , Tao Gui , Xuanjing Huang

Collaborative filtering (CF) aims to predict users' ratings on items according to historical user-item preference data. In many real-world applications, preference data are usually sparse, which would make models overfit and fail to give…

机器学习 · 计算机科学 2012-10-29 Zhongqi Lu , Erheng Zhong , Lili Zhao , Wei Xiang , Weike Pan , Qiang Yang

Massive rumors usually appear along with breaking news or trending topics, seriously hindering the truth. Existing rumor detection methods are mostly focused on the same domain, and thus have poor performance in cross-domain scenarios due…

社会与信息网络 · 计算机科学 2023-03-22 Hongyan Ran , Caiyan Jia

In the problem of domain transfer learning, we learn a model for the predic-tion in a target domain from the data of both some source domains and the target domain, where the target domain is in lack of labels while the source domain has…

计算机视觉与模式识别 · 计算机科学 2018-05-21 Guohui Zhang , Gaoyuan Liang , Fang Su , Fanxin Qu , Jing-Yan Wang

A major drawback of cross-network recommender solutions is that they can only be applied to users that are overlapped across networks. Thus, the non-overlapped users, which form the majority of users are ignored. As a solution, we propose…

机器学习 · 计算机科学 2020-08-26 Dilruk Perera , Roger Zimmermann

Domain adaptation is an important technique to alleviate performance degradation caused by domain shift, e.g., when training and test data come from different domains. Most existing deep adaptation methods focus on reducing domain shift by…

机器学习 · 计算机科学 2019-06-25 Jun Wen , Nenggan Zheng , Junsong Yuan , Zhefeng Gong , Changyou Chen

Cross-domain recommendation (CDR) aims to enhance recommendation accuracy in a target domain with sparse data by leveraging rich information in a source domain, thereby addressing the data-sparsity problem. Some existing CDR methods…

人工智能 · 计算机科学 2024-03-07 Li Wang , Lei Sang , Quangui Zhang , Qiang Wu , Min Xu

Domain adaptation aims at training a classifier in one dataset and applying it to a related but not identical dataset. One successfully used framework of domain adaptation is to learn a transformation to match both the distribution of the…

计算机视觉与模式识别 · 计算机科学 2015-03-03 Xu Zhang , Felix Xinnan Yu , Shih-Fu Chang , Shengjin Wang

Unsupervised domain adaptation aims at transferring knowledge from the labeled source domain to the unlabeled target domain. Previous adversarial domain adaptation methods mostly adopt the discriminator with binary or $K$-dimensional output…

机器学习 · 计算机科学 2020-01-03 Yuntao Du , Zhiwen Tan , Qian Chen , Xiaowen Zhang , Yirong Yao , Chongjun Wang

Recommendation systems are essential ingredients in producing matches between products and buyers. Despite their ubiquity, they face two important challenges. First, they are data-intensive, a feature that precludes sophisticated…

综合经济学 · 经济学 2020-10-08 Pedro M. Gardete , Carlos D. Santos

Domain adaptation tasks such as cross-domain sentiment classification aim to utilize existing labeled data in the source domain and unlabeled or few labeled data in the target domain to improve the performance in the target domain via…

计算与语言 · 计算机科学 2022-01-03 Dongbo Xi , Fuzhen Zhuang , Ganbin Zhou , Xiaohu Cheng , Fen Lin , Qing He

Shared-account Cross-domain Sequential recommendation (SCSR) is the task of recommending the next item based on a sequence of recorded user behaviors, where multiple users share a single account, and their behaviours are available in…

信息检索 · 计算机科学 2021-05-10 Lei Guo , Li Tang , Tong Chen , Lei Zhu , Quoc Viet Hung Nguyen , Hongzhi Yin

Recommender systems leverage both content and user interactions to generate recommendations that fit users' preferences. The recent surge of interest in deep learning presents new opportunities for exploiting these two sources of…

信息检索 · 计算机科学 2016-08-23 Jeroen B. P. Vuurens , Martha Larson , Arjen P. de Vries

Domain adaptation has been a fundamental technology for transferring knowledge from a source domain to a target domain. The key issue of domain adaptation is how to reduce the distribution discrepancy between two domains in a proper way…

计算机视觉与模式识别 · 计算机科学 2020-10-21 Lei Tian , Yongqiang Tang , Liangchen Hu , Zhida Ren , Wensheng Zhang

Cross-Domain Sequential Recommendation (CDSR) aims to en-hance recommendation quality by transferring knowledge across domains, offering effective solutions to data sparsity and cold-start issues. However, existing methods face three major…

信息检索 · 计算机科学 2026-04-10 Xingzi Wang , Qingtian Bian , Hui Fang

Recently multi-domain recommender systems have received much attention from researchers because they can solve cold-start problem as well as support for cross-selling. However, when applying into multi-domain items, although algorithms…

信息检索 · 计算机科学 2018-12-18 Linh Nguyen , Tsukasa Ishigaki

Deep learning has become the method of choice to tackle real-world problems in different domains, partly because of its ability to learn from data and achieve impressive performance on a wide range of applications. However, its success…

计算机视觉与模式识别 · 计算机科学 2022-08-17 Xiaofeng Liu , Chaehwa Yoo , Fangxu Xing , Hyejin Oh , Georges El Fakhri , Je-Won Kang , Jonghye Woo

Human adaptability relies crucially on learning and merging knowledge from both supervised and unsupervised tasks: the parents point out few important concepts, but then the children fill in the gaps on their own. This is particularly…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Silvia Bucci , Antonio D'Innocente , Yujun Liao , Fabio Maria Carlucci , Barbara Caputo , Tatiana Tommasi

Modern neural collaborative filtering techniques are critical to the success of e-commerce, social media, and content-sharing platforms. However, despite technical advances -- for every new application domain, we need to train an NCF model…

信息检索 · 计算机科学 2023-10-02 Junting Wang , Adit Krishnan , Hari Sundaram , Yunzhe Li