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A new timeliness metric, called Age-of-Information (AoI), has recently attracted a lot of research interests for real-time applications with information updates. It has been extensively studied for various queueing models based on the…

信息论 · 计算机科学 2023-02-17 Zhongdong Liu , Yu Sang , Bin Li , Bo Ji

Generative recommendation (GenRec) models typically model user behavior via full attention, but scaling to lifelong sequences is hindered by prohibitive computational costs and noise accumulation from stochastic interactions. To address…

信息检索 · 计算机科学 2026-02-16 Yixiao Chen , Yuan Wang , Yue Liu , Qiyao Wang , Ke Cheng , Xin Xu , Juntong Yan , Shuojin Yang , Menghao Guo , Jun Zhang , Huan Yu , Jie Jiang

Multi-horizon probabilistic time series forecasting has wide applicability to real-world tasks such as demand forecasting. Recent work in neural time-series forecasting mainly focus on the use of Seq2Seq architectures. For example,…

机器学习 · 计算机科学 2022-09-09 Sitan Yang , Carson Eisenach , Dhruv Madeka

In recent years, face recognition systems have achieved exceptional success due to promising advances in deep learning architectures. However, they still fail to achieve expected accuracy when matching profile images against a gallery of…

计算机视觉与模式识别 · 计算机科学 2022-09-16 Moktari Mostofa , Mohammad Saeed Ebrahimi Saadabadi , Sahar Rahimi Malakshan , Nasser M. Nasrabadi

Sequential recommendation systems are integral to discerning temporal user preferences. Yet, the task of learning from abbreviated user interaction sequences poses a notable challenge. Data augmentation has been identified as a potent…

信息检索 · 计算机科学 2025-02-25 Juyong Jiang , Peiyan Zhang , Yingtao Luo , Chaozhuo Li , Jae Boum Kim , Kai Zhang , Senzhang Wang , Sunghun Kim , Philip S. Yu

Sequential recommendation systems that model dynamic preferences based on a use's past behavior are crucial to e-commerce. Recent studies on these systems have considered various types of information such as images and texts. However,…

信息检索 · 计算机科学 2024-05-29 Hyungtaik Oh , Wonkeun Jo , Dongil Kim

Since sequential information plays an important role in modeling user behaviors, various sequential recommendation methods have been proposed. Methods based on Markov assumption are widely-used, but independently combine several most recent…

信息检索 · 计算机科学 2016-09-20 Qiang Liu , Shu Wu , Diyi Wang , Zhaokang Li , Liang Wang

Recognizing multiple labels of images is a fundamental but challenging task in computer vision, and remarkable progress has been attained by localizing semantic-aware image regions and predicting their labels with deep convolutional neural…

计算机视觉与模式识别 · 计算机科学 2017-12-21 Tianshui Chen , Zhouxia Wang , Guanbin Li , Liang Lin

Point-of-interest (POI) recommendations are essential for travelers and the e-tourism business. They assist in decision-making regarding what venues to visit and where to dine and stay. While it is known that traditional recommendation…

信息检索 · 计算机科学 2025-01-07 Linus W. Dietz , Pablo Sánchez , Alejandro Bellogín

In recent years, attention mechanisms have significantly enhanced the performance of object detection by focusing on key feature information. However, prevalent methods still encounter difficulties in effectively balancing local and global…

计算机视觉与模式识别 · 计算机科学 2024-11-15 Yifan Shao

Answering real-world tourism questions that seek Point-of-Interest (POI) recommendations is challenging, as it requires both spatial and non-spatial reasoning, over a large candidate pool. The traditional method of encoding each pair of…

计算与语言 · 计算机科学 2024-01-05 Haonan Li , Martin Tomko , Timothy Baldwin

The complexity of scene parsing grows with the number of object and scene classes, which is higher in unrestricted open scenes. The biggest challenge is to model the spatial relation between scene elements while succeeding in identifying…

计算机视觉与模式识别 · 计算机科学 2024-07-26 Vivek Singh , Shailza Sharma , Fabio Cuzzolin

We propose a novel method for applying Transformer models to extractive question answering (QA) tasks. Recently, pretrained generative sequence-to-sequence (seq2seq) models have achieved great success in question answering. Contributing to…

计算与语言 · 计算机科学 2021-10-14 Peng Xu , Davis Liang , Zhiheng Huang , Bing Xiang

Adaptive cognition requires structured internal models of objects and their relations. Predictive neural networks are often proposed to learn such world models, but how these are instantiated and how they support prediction remain unclear.…

机器学习 · 计算机科学 2026-05-11 Linda Ariel Ventura , Victoria Bosch , Tim C Kietzmann , Sushrut Thorat

Early prediction of the prevalence of influenza reduces its impact. Various studies have been conducted to predict the number of influenza-infected people. However, these studies are not highly accurate especially in the distant future such…

机器学习 · 计算机科学 2019-07-08 Kenjiro Kondo , Akihiko Ishikawa , Masashi Kimura

Self-attention has become increasingly popular in a variety of sequence modeling tasks from natural language processing to recommendation, due to its effectiveness. However, self-attention suffers from quadratic computational and memory…

信息检索 · 计算机科学 2021-06-01 Yongji Wu , Defu Lian , Neil Zhenqiang Gong , Lu Yin , Mingyang Yin , Jingren Zhou , Hongxia Yang

We investigate the integration of a planning mechanism into sequence-to-sequence models using attention. We develop a model which can plan ahead in the future when it computes its alignments between input and output sequences, constructing…

机器学习 · 计算机科学 2017-11-29 Francis Dutil , Caglar Gulcehre , Adam Trischler , Yoshua Bengio

Next POI recommendation intends to forecast users' immediate future movements given their current status and historical information, yielding great values for both users and service providers. However, this problem is perceptibly complex…

信息检索 · 计算机科学 2023-03-09 Song Yang , Jiamou Liu , Kaiqi Zhao

We present a context-aware neural ranking model to exploit users' on-task search activities and enhance retrieval performance. In particular, a two-level hierarchical recurrent neural network is introduced to learn search context…

信息检索 · 计算机科学 2019-06-07 Wasi Uddin Ahmad , Kai-Wei Chang , Hongning Wang

With the rapid development of the Internet, users have increasingly higher expectations for the recommendation accuracy of online content consumption platforms. However, short videos often contain diverse segments, and users may not hold…

人工智能 · 计算机科学 2026-04-29 Wenhao Li , Zihan Lin , Zhengxiao Guo , Jie Zhou , Shukai Liu , Yongqi Liu , Chuan Luo , Chaoyi Ma , Ruiming Tang , Han Li
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