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Zero-shot learning (ZSL) is a challenging task aiming at recognizing novel classes without any training instances. In this paper we present a simple but high-performance ZSL approach by generating pseudo feature representations (GPFR).…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Jiang Lu , Jin Li , Ziang Yan , Changshui Zhang

The successful application of deep learning to many visual recognition tasks relies heavily on the availability of a large amount of labeled data which is usually expensive to obtain. The few-shot learning problem has attracted increasing…

Machine Learning · Computer Science 2020-03-11 Zhongjie Yu , Lin Chen , Zhongwei Cheng , Jiebo Luo

In this work, we present a novel meta-learning algorithm, i.e. TTNet, that regresses model parameters for novel tasks for which no ground truth is available (zero-shot tasks). In order to adapt to novel zero-shot tasks, our meta-learner…

Computer Vision and Pattern Recognition · Computer Science 2019-03-05 Arghya Pal , Vineeth N Balasubramanian

We propose a novel zero-shot document ranking approach based on Large Language Models (LLMs): the Setwise prompting approach. Our approach complements existing prompting approaches for LLM-based zero-shot ranking: Pointwise, Pairwise, and…

Information Retrieval · Computer Science 2024-05-31 Shengyao Zhuang , Honglei Zhuang , Bevan Koopman , Guido Zuccon

Recommender systems are essential information technologies today, and recommendation algorithms combined with deep learning have become a research hotspot in this field. The recommendation model known as LFM (Latent Factor Model), which…

Information Retrieval · Computer Science 2024-03-27 Junyi Liu

Recently, dataset-generation-based zero-shot learning has shown promising results by training a task-specific model with a dataset synthesized from large pre-trained language models (PLMs). The final task-specific model often achieves…

Computation and Language · Computer Science 2022-10-25 Jiacheng Ye , Jiahui Gao , Jiangtao Feng , Zhiyong Wu , Tao Yu , Lingpeng Kong

As an important and challenging problem in computer vision, zero-shot learning (ZSL) aims at automatically recognizing the instances from unseen object classes without training data. To address this problem, ZSL is usually carried out in…

Computer Vision and Pattern Recognition · Computer Science 2017-03-28 Yunlong Yu , Zhong Ji , Xi Li , Jichang Guo , Zhongfei Zhang , Haibin Ling , Fei Wu

In this paper, based on the user-tag-object tripartite graphs, we propose a recommendation algorithm, which considers social tags as an important role for information retrieval. Besides its low cost of computational time, the experiment…

Information Retrieval · Computer Science 2013-06-19 Zi-Ke Zhang , Chuang Liu , Yi-Cheng Zhang , Tao Zhou

The recent development of fact verification systems with natural logic has enhanced their explainability by aligning claims with evidence through set-theoretic operators, providing faithful justifications. Despite these advancements, such…

Computation and Language · Computer Science 2024-10-07 Marek Strong , Rami Aly , Andreas Vlachos

The lack of training data gives rise to the system cold-start problem in recommendation systems, making them struggle to provide effective recommendations. To address this problem, Large Language Models (LLMs) can model recommendation tasks…

Information Retrieval · Computer Science 2024-12-25 Wenlin Zhang , Chuhan Wu , Xiangyang Li , Yuhao Wang , Kuicai Dong , Yichao Wang , Xinyi Dai , Xiangyu Zhao , Huifeng Guo , Ruiming Tang

In this work, we explore the constructive side of online reviews: advice, tips, requests, and suggestions that users provide about goods, venues, services, and other items of interest. To reduce training costs and annotation efforts needed…

Computation and Language · Computer Science 2023-11-21 Anton Alekseev , Elena Tutubalina , Sejeong Kwon , Sergey Nikolenko

Zero-shot learning is a new paradigm to classify objects from classes that are not available at training time. Zero-shot learning (ZSL) methods have attracted considerable attention in recent years because of their ability to classify…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Chandan Gautam , Sethupathy Parameswaran , Ashish Mishra , Suresh Sundaram

Recently, zero-shot learning (ZSL) has received increasing interest. The key idea underpinning existing ZSL approaches is to exploit knowledge transfer via an intermediate-level semantic representation which is assumed to be shared between…

Machine Learning · Computer Science 2015-03-30 Yanwei Fu , Yongxin Yang , Timothy M. Hospedales , Tao Xiang , Shaogang Gong

Multilingual pre-trained contextual embedding models (Devlin et al., 2019) have achieved impressive performance on zero-shot cross-lingual transfer tasks. Finding the most effective fine-tuning strategy to fine-tune these models on…

Computation and Language · Computer Science 2021-07-22 Weijia Xu , Batool Haider , Jason Krone , Saab Mansour

In the WWW (World Wide Web), dynamic development and spread of data has resulted a tremendous amount of information available on the Internet, yet user is unable to find relevant information in a short span of time. Consequently, a system…

Information Retrieval · Computer Science 2020-09-11 Denis Selimi , Krenare Pireva Nuci

There is a growing interest in dataset generation recently due to the superior generative capacity of large pre-trained language models (PLMs). In this paper, we study a flexible and efficient zero-short learning method, \textsc{ZeroGen}.…

Computation and Language · Computer Science 2022-10-25 Jiacheng Ye , Jiahui Gao , Qintong Li , Hang Xu , Jiangtao Feng , Zhiyong Wu , Tao Yu , Lingpeng Kong

Zero-shot Chain-of-Thought (CoT) prompting emerges as a simple and effective strategy for enhancing the performance of large language models (LLMs) in real-world reasoning tasks. Nonetheless, the efficacy of a singular, task-level prompt…

Computation and Language · Computer Science 2024-11-01 Xiaosong Yuan , Chen Shen , Shaotian Yan , Xiaofeng Zhang , Liang Xie , Wenxiao Wang , Renchu Guan , Ying Wang , Jieping Ye

With recent progress in large-scale map maintenance and long-term map learning, the task of change detection on a large-scale map from a visual image captured by a mobile robot has become a problem of increasing criticality. Previous…

Computer Vision and Pattern Recognition · Computer Science 2017-09-19 Tanaka Kanji

Users of a recommender system may want part of their data being deleted, not only from the data repository but also from the underlying machine learning model, for privacy or utility reasons. Such right-to-be-forgotten requests could be…

Information Retrieval · Computer Science 2022-08-16 Wenyan Liu , Juncheng Wan , Xiaoling Wang , Weinan Zhang , Dell Zhang , Hang Li

For tackling the well known cold-start user problem in model-based recommender systems, one approach is to recommend a few items to a cold-start user and use the feedback to learn a profile. The learned profile can then be used to make good…

Information Retrieval · Computer Science 2017-03-02 Sampoorna Biswas , Laks V. S. Lakshmanan , Senjuti Basu Ray