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Simulated data-assisted SAR target recognition methods are the research hotspot currently, devoted to solving the problem of limited samples. Existing works revolve around simulated images, but the large amount of irrelevant information…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Chenxi Zhao , Daochang Wang , Siqian Zhang , Gangyao Kuang

Parameter-efficient fine-tuning approaches have recently garnered a lot of attention. Having considerably lower number of trainable weights, these methods can bring about scalability and computational effectiveness. In this paper, we look…

Computation and Language · Computer Science 2023-02-23 Mohammad Akbar-Tajari , Sara Rajaee , Mohammad Taher Pilehvar

The goal of task transfer in reinforcement learning is migrating the action policy of an agent to the target task from the source task. Given their successes on robotic action planning, current methods mostly rely on two requirements:…

Machine Learning · Computer Science 2019-02-19 Mingxuan Jing , Xiaojian Ma , Wenbing Huang , Fuchun Sun , Huaping Liu

Cross-domain Recommendation (CDR) aims to alleviate the data sparsity and the cold-start problems in traditional recommender systems by leveraging knowledge from an informative source domain. However, previously proposed CDR models pursue…

Information Retrieval · Computer Science 2024-10-01 Binbin Hu , Weifan Wang , Hanshu Wang , Ziqi Liu , Bin Shen , Yong He , Jiawei Chen

This article proposes a transfer reinforcement learning (RL) based adaptive energy managing approach for a hybrid electric vehicle (HEV) with parallel topology. This approach is bi-level. The up-level characterizes how to transform the…

Systems and Control · Electrical Eng. & Systems 2020-07-27 Teng Liu , Wenhao Tan , Xiaolin Tang , Jiaxin Chen , Dongpu Cao

Evolutionary multitasking (EMT) is an emerging approach for solving multitask optimization problems (MTOPs) and has garnered considerable research interest. The implicit EMT is a significant research branch that utilizes evolution operators…

Neural and Evolutionary Computing · Computer Science 2024-06-25 Sheng-Hao Wu , Yuxiao Huang , Xingyu Wu , Liang Feng , Zhi-Hui Zhan , Kay Chen Tan

Multi-task learning (MTL) is a common machine learning technique that allows the model to share information across different tasks and improve the accuracy of recommendations for all of them. Many existing MTL implementations suffer from…

Information Retrieval · Computer Science 2025-04-09 Luyang Wang , Cangcheng Tang , Chongyang Zhang , Jun Ruan , Kai Huang , Jason Dai

We present a Multi-Task Learning (MTL) approach for improving predictions for rare (e.g., <1%) conversion events in online advertising. The conversions are classified into "rare" or "frequent" types based on historical statistics. The model…

Information Retrieval · Computer Science 2025-07-29 Yuval Dishi , Ophir Friedler , Yonatan Karni , Natalia Silberstein , Yulia Stolin

Session-based recommendation (SR) has become an important and popular component of various e-commerce platforms, which aims to predict the next interacted item based on a given session. Most of existing SR models only focus on exploiting…

Information Retrieval · Computer Science 2020-06-19 Wenjing Meng , Deqing Yang , Yanghua Xiao

The Knowledge Tracing (KT) task plays a crucial role in personalized learning, and its purpose is to predict student responses based on their historical practice behavior sequence. However, the KT task suffers from data sparsity, which…

Machine Learning · Computer Science 2023-09-06 Moyu Zhang , Xinning Zhu , Chunhong Zhang , Feng Pan , Wenchen Qian , Hui Zhao

Vision-Language Models (VLMs) excel in diverse multimodal tasks. However, user requirements vary across scenarios, which can be categorized into fast response, high-quality output, and low energy consumption. Relying solely on large models…

Machine Learning · Computer Science 2025-11-03 Xin Tang , Youfang Han , Fangfei Gou , Wei Zhao , Xin Meng , Yang Yu , Jinguo Zhang , Yuanchun Shi , Yuntao Wang , Tengxiang Zhang

Click-through rate (CTR) prediction is a core task in recommender systems. Existing methods (IDRec for short) rely on unique identities to represent distinct users and items that have prevailed for decades. On one hand, IDRec often faces…

Information Retrieval · Computer Science 2024-03-18 Yuanbo Gao , Peng Lin , Dongyue Wang , Feng Mei , Xiwei Zhao , Sulong Xu , Jinghe Hu

Transferring knowledge from one neural network to another has been shown to be helpful for learning tasks with few training examples. Prevailing fine-tuning methods could potentially contaminate pre-trained features by comparably high…

Machine Learning · Computer Science 2019-07-15 Farshid Varno , Behrouz Haji Soleimani , Marzie Saghayi , Lisa Di Jorio , Stan Matwin

Continual learning (CL) learns a sequence of tasks incrementally with the goal of achieving two main objectives: overcoming catastrophic forgetting (CF) and encouraging knowledge transfer (KT) across tasks. However, most existing techniques…

Computation and Language · Computer Science 2021-12-21 Zixuan Ke , Bing Liu , Nianzu Ma , Hu Xu , Lei Shu

In this paper, we propose an online learning approach that enables the inverse dynamics model learned for a source robot to be transferred to a target robot (e.g., from one quadrotor to another quadrotor with different mass or aerodynamic…

Robotics · Computer Science 2019-04-02 Siqi Zhou , Andriy Sarabakha , Erdal Kayacan , Mohamed K. Helwa , Angela P. Schoellig

Knowledge graph embedding is an important task and it will benefit lots of downstream applications. Currently, deep neural networks based methods achieve state-of-the-art performance. However, most of these existing methods are very complex…

Artificial Intelligence · Computer Science 2020-11-02 Feiliang Ren , Juchen Li , Huihui Zhang , Shilei Liu , Bochao Li , Ruicheng Ming , Yujia Bai

As one of the largest e-commerce platforms in the world, Taobao's recommendation systems (RSs) serve the demands of shopping for hundreds of millions of customers. Click-Through Rate (CTR) prediction is a core component of the RS. One of…

Information Retrieval · Computer Science 2023-02-21 Lixin Liu , Yanling Wang , Tianming Wang , Dong Guan , Jiawei Wu , Jingxu Chen , Rong Xiao , Wenxiang Zhu , Fei Fang

For better user experience and business effectiveness, Click-Through Rate (CTR) prediction has been one of the most important tasks in E-commerce. Although extensive CTR prediction models have been proposed, learning good representation of…

Information Retrieval · Computer Science 2020-03-17 Xiang Li , Chao Wang , Jiwei Tan , Xiaoyi Zeng , Dan Ou , Bo Zheng

Real-word search and recommender systems usually adopt a multi-stage ranking architecture, including matching, pre-ranking, ranking, and re-ranking. Previous works mainly focus on the ranking stage while very few focus on the pre-ranking…

Information Retrieval · Computer Science 2022-07-08 Yue Cao , XiaoJiang Zhou , Peihao Huang , Yao Xiao , Dayao Chen , Sheng Chen

Multi-task learning (MTL) has achieved great success in various research domains, such as CV, NLP and IR etc. Due to the complex and competing task correlation, naive training all tasks may lead to inequitable learning, i.e. some tasks are…

Machine Learning · Computer Science 2023-06-21 Jun Yuan , Rui Zhang