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Mixture of Experts (MoE) models enable parameter-efficient scaling through sparse expert activations, yet optimizing their inference and memory costs remains challenging due to limited understanding of their specialization behavior. We…

机器学习 · 计算机科学 2026-03-09 Marmik Chaudhari , Idhant Gulati , Nishkal Hundia , Pranav Karra , Shivam Raval

Recommender systems usually leverage multi-task learning methods to simultaneously optimize several objectives because of the multi-faceted user behavior data. The typical way of conducting multi-task learning is to establish appropriate…

信息检索 · 计算机科学 2023-09-20 Yi Ren , Ying Du , Bin Wang , Shenzheng Zhang

Implicit sentiment analysis is challenging because sentiment toward an aspect is often inferred from events rather than expressed through explicit opinion words. Existing models typically learn from the final polarity label, which provides…

计算与语言 · 计算机科学 2026-05-21 Yaping Chai , Haoran Xie , Joe S. Qin

We present DeepSeek-VL2, an advanced series of large Mixture-of-Experts (MoE) Vision-Language Models that significantly improves upon its predecessor, DeepSeek-VL, through two key major upgrades. For the vision component, we incorporate a…

Multimodal visual object tracking can be divided into to several kinds of tasks (e.g. RGB and RGB+X tracking), based on the input modality. Existing methods often train separate models for each modality or rely on pretrained models to adapt…

计算机视觉与模式识别 · 计算机科学 2026-05-06 Lingyi Hong , Jinglun Li , Xinyu Zhou , Kaixun Jiang , Pinxue Guo , Zhaoyu Chen , Runze Li , Xingdong Sheng , Wenqiang Zhang

Optimizing various wireless user tasks poses a significant challenge for networking systems because of the expanding range of user requirements. Despite advancements in Deep Reinforcement Learning (DRL), the need for customized optimization…

网络与互联网体系结构 · 计算机科学 2024-02-16 Hongyang Du , Guangyuan Liu , Yijing Lin , Dusit Niyato , Jiawen Kang , Zehui Xiong , Dong In Kim

This study develops and empirically validates a Mixture of Experts (MoE) framework for stock price prediction across heterogeneous volatility regimes using real market data. The proposed model combines a Recurrent Neural Network (RNN)…

统计金融 · 定量金融 2025-08-06 Diego Vallarino

Mixture-of-experts (MoE) architecture has been proven a powerful method for diverse tasks in training deep models in many applications. However, current MoE implementations are task agnostic, treating all tokens from different tasks in the…

计算与语言 · 计算机科学 2023-10-26 Hai Pham , Young Jin Kim , Subhabrata Mukherjee , David P. Woodruff , Barnabas Poczos , Hany Hassan Awadalla

In large-scale advertising recommendation systems, retrieval serves as a critical component, aiming to efficiently select a subset of candidate ads relevant to user behaviors from a massive ad inventory for subsequent ranking and…

机器学习 · 计算机科学 2025-12-29 Yifan Lei , Jiahua Luo , Tingyu Jiang , Bo Zhang , Lifeng Wang , Dapeng Liu , Zhaoren Wu , Haijie Gu , Huan Yu , Jie Jiang

Sequential recommendation (SR) systems excel at capturing users' dynamic preferences by leveraging their interaction histories. Most existing SR systems assign a single embedding vector to each item to represent its features, adopting…

信息检索 · 计算机科学 2026-01-21 Mingrui Liu , Sixiao Zhang , Cheng Long

Long-sequence modeling has become an indispensable frontier in recommendation systems for capturing users' long-term preferences. However, user behaviors within advertising domains are inherently sparse, posing a significant barrier to…

Click-through rate (CTR) prediction is a critical task for many industrial systems, such as display advertising and recommender systems. Recently, modeling user behavior sequences attracts much attention and shows great improvements in the…

信息检索 · 计算机科学 2020-08-27 Yufei Feng , Fuyu Lv , Binbin Hu , Fei Sun , Kun Kuang , Yang Liu , Qingwen Liu , Wenwu Ou

Online display advertising platforms rely on pre-ranking systems to efficiently filter and prioritize candidate ads from large corpora, balancing relevance to users with strict computational constraints. The prevailing two-tower…

信息检索 · 计算机科学 2025-08-05 Haoqiang Yang , Congde Yuan , Kun Bai , Mengzhuo Guo , Wei Yang , Chao Zhou

Learning high-quality multi-modal entity representations is an important goal of multi-modal knowledge graph (MMKG) representation learning, which can enhance reasoning tasks within the MMKGs, such as MMKG completion (MMKGC). The main…

人工智能 · 计算机科学 2025-04-08 Yichi Zhang , Zhuo Chen , Lingbing Guo , Yajing Xu , Binbin Hu , Ziqi Liu , Wen Zhang , Huajun Chen

Learning effective embedding has been proved to be useful in many real-world problems, such as recommender systems, search ranking and online advertisement. However, one of the challenges is data sparsity in learning large-scale item…

机器学习 · 计算机科学 2019-05-27 Yi Ouyang , Bin Guo , Xing Tang , Xiuqiang He , Jian Xiong , Zhiwen Yu

Robust multimodal visual analytics remains challenging when heterogeneous modalities provide complementary but input-dependent evidence for decision-making.Existing multimodal learning methods mainly rely on fixed fusion modules or…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Tianyi Liu , Yiming Li , Wenqian Wang , Jiaojiao Wang , Chen Cai , Yi Wang , Kim-Hui Yap

Machine learning shows great potential in virtual screening for drug discovery. Current efforts on accelerating docking-based virtual screening do not consider using existing data of other previously developed targets. To make use of the…

机器学习 · 计算机科学 2021-12-14 Zijing Liu , Xianbin Ye , Xiaomin Fang , Fan Wang , Hua Wu , Haifeng Wang

Mixture-of-Experts (MoE) models improve the efficiency and scalability of dense language models by routing each token to a small number of experts in each layer. In this paper, we show how an adversary that can arrange for their queries to…

密码学与安全 · 计算机科学 2024-10-31 Itay Yona , Ilia Shumailov , Jamie Hayes , Nicholas Carlini

Open-domain question answering requires retrieval systems able to cope with the diverse and varied nature of questions, providing accurate answers across a broad spectrum of query types and topics. To deal with such topic heterogeneity…

信息检索 · 计算机科学 2024-03-21 Pranav Kasela , Gabriella Pasi , Raffaele Perego , Nicola Tonellotto

The conversion rate (CVR) is a crucial metric for evaluating the effectiveness of platforms, as it quantifies the alignment of content with audience preferences. However, the limited nature of customers' conversion actions presents a…

信息检索 · 计算机科学 2026-05-08 Guohao Cai , Jun Yuan , Zhenhua Dong