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Related papers: Sequential Scenario-Specific Meta Learner for Onli…

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Deep neural networks (DNNs) have achieved state-of-the-art results on time series classification (TSC) tasks. In this work, we focus on leveraging DNNs in the often-encountered practical scenario where access to labeled training data is…

Machine Learning · Computer Science 2021-03-05 Jyoti Narwariya , Pankaj Malhotra , Lovekesh Vig , Gautam Shroff , Vishnu Tv

We build a theoretical framework for designing and understanding practical meta-learning methods that integrates sophisticated formalizations of task-similarity with the extensive literature on online convex optimization and sequential…

Machine Learning · Computer Science 2019-12-10 Mikhail Khodak , Maria-Florina Balcan , Ameet Talwalkar

Recent studies on pre-trained vision/language models have demonstrated the practical benefit of a new, promising solution-building paradigm in AI where models can be pre-trained on broad data describing a generic task space and then adapted…

Information Retrieval · Computer Science 2024-01-09 Ziqian Lin , Hao Ding , Nghia Trong Hoang , Branislav Kveton , Anoop Deoras , Hao Wang

Multi-scenario recommendation is dedicated to retrieve relevant items for users in multiple scenarios, which is ubiquitous in industrial recommendation systems. These scenarios enjoy portions of overlaps in users and items, while the…

Information Retrieval · Computer Science 2022-08-25 Yuanliang Zhang , Xiaofeng Wang , Jinxin Hu , Ke Gao , Chenyi Lei , Fei Fang

A central capability of intelligent systems is the ability to continuously build upon previous experiences to speed up and enhance learning of new tasks. Two distinct research paradigms have studied this question. Meta-learning views this…

Machine Learning · Computer Science 2019-07-05 Chelsea Finn , Aravind Rajeswaran , Sham Kakade , Sergey Levine

Meta learning methods have found success when applied to few shot classification problems, in which they quickly adapt to a small number of labeled examples. Prototypical representations, each representing a particular class, have been of…

Machine Learning · Computer Science 2020-07-21 Evan Vogelbaum , Rumen Dangovski , Li Jing , Marin Soljačić

The item cold-start problem is crucial for online recommender systems, as the success of the cold-start phase determines whether items can transition into popular ones. Prompt learning, a powerful technique used in natural language…

Information Retrieval · Computer Science 2024-12-25 Yuezihan Jiang , Gaode Chen , Wenhan Zhang , Jingchi Wang , Yinjie Jiang , Qi Zhang , Jingjian Lin , Peng Jiang , Kaigui Bian

Despite its astounding success in learning deeper multi-dimensional data, the performance of deep learning declines on new unseen tasks mainly due to its focus on same-distribution prediction. Moreover, deep learning is notorious for poor…

Machine Learning · Computer Science 2023-03-15 Hassan Gharoun , Fereshteh Momenifar , Fang Chen , Amir H. Gandomi

Text classification tends to be difficult when data are deficient or when it is required to adapt to unseen classes. In such challenging scenarios, recent studies have often used meta-learning to simulate the few-shot task, thus negating…

Information Retrieval · Computer Science 2019-11-22 Shumin Deng , Ningyu Zhang , Zhanlin Sun , Jiaoyan Chen , Huajun Chen

The cold-start user issue further compromises the effectiveness of recommender systems in limiting access to the historical behavioral information. It is an effective pipeline to optimize instructional prompts on a few-shot large language…

Artificial Intelligence · Computer Science 2025-09-12 Haowei Yang , Yushang Zhao , Sitao Min , Bo Su , Chao Yao , Wei Xu

In this report we review memory-based meta-learning as a tool for building sample-efficient strategies that learn from past experience to adapt to any task within a target class. Our goal is to equip the reader with the conceptual…

In recommender systems, one common challenge is the cold-start problem, where interactions are very limited for fresh users in the systems. To address this challenge, recently, many works introduce the meta-optimization idea into the…

Information Retrieval · Computer Science 2022-06-13 Tianxin Wei , Jingrui He

We aim to bridge the gap between typical human and machine-learning environments by extending the standard framework of few-shot learning to an online, continual setting. In this setting, episodes do not have separate training and testing…

Machine Learning · Computer Science 2021-04-26 Mengye Ren , Michael L. Iuzzolino , Michael C. Mozer , Richard S. Zemel

Item cold-start is a pervasive challenge for collaborative filtering (CF) recommender systems. Existing methods often train cold-start models by mapping auxiliary item content, such as images or text descriptions, into the embedding space…

Information Retrieval · Computer Science 2026-04-15 Gregor Meehan , Johan Pauwels

In few-shot classification, we are interested in learning algorithms that train a classifier from only a handful of labeled examples. Recent progress in few-shot classification has featured meta-learning, in which a parameterized model for…

Generative, explainable, and flexible recommender systems, derived using Large Language Models (LLM) are promising and poorly adapted to the cold-start user situation, where there is little to no history of interaction. The current…

Machine Learning · Computer Science 2025-07-23 Yushang Zhao , Huijie Shen , Dannier Li , Lu Chang , Chengrui Zhou , Yinuo Yang

We study the sequential batch learning problem in linear contextual bandits with finite action sets, where the decision maker is constrained to split incoming individuals into (at most) a fixed number of batches and can only observe…

Machine Learning · Computer Science 2020-04-15 Yanjun Han , Zhengqing Zhou , Zhengyuan Zhou , Jose Blanchet , Peter W. Glynn , Yinyu Ye

Knowledge tracing (KT) models are commonly evaluated by training on early interactions from all students and testing on later responses. While effective for measuring average predictive performance, this evaluation design obscures a cold…

Machine Learning · Computer Science 2026-04-15 Indronil Bhattacharjee , Christabel Wayllace

Modern recommender systems operate in uniquely dynamic settings: user interests, item pools, and popularity trends shift continuously, and models must adapt in real time without forgetting past preferences. While existing tutorials on…

Information Retrieval · Computer Science 2025-07-08 Hyunsik Yoo , SeongKu Kang , Hanghang Tong

This paper proposes a recommender system to alleviate the cold-start problem that can estimate user preferences based on only a small number of items. To identify a user's preference in the cold state, existing recommender systems, such as…

Information Retrieval · Computer Science 2019-08-02 Hoyeop Lee , Jinbae Im , Seongwon Jang , Hyunsouk Cho , Sehee Chung