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Recommender systems objectives can be broadly characterized as modeling user preferences over short-or long-term time horizon. A large body of previous research studied long-term recommendation through dimensionality reduction techniques…

信息检索 · 计算机科学 2018-07-25 Kiewan Villatel , Elena Smirnova , Jérémie Mary , Philippe Preux

Session-based recommendation (SBR) is proposed to recommend items within short sessions given that user profiles are invisible in various scenarios nowadays, such as e-commerce and short video recommendation. There is a common scenario that…

信息检索 · 计算机科学 2022-04-12 Chuan Cui , Qi Shen , Shixuan Zhu , Yitong Pang , Yiming Zhang , Hanning Gao , Zhihua Wei

Human activity recognition based on mobile device sensor data has been an active research area in mobile and pervasive computing for several years. While the majority of the proposed techniques are based on supervised learning,…

计算机视觉与模式识别 · 计算机科学 2019-06-10 Gabriele Civitarese , Riccardo Presotto , Claudio Bettini

Recommendation system plays an important role in online web applications. Sequential recommender further models user short-term preference through exploiting information from latest user-item interaction history. Most of the sequential…

信息检索 · 计算机科学 2020-09-14 Ye Tao , Can Wang , Lina Yao , Weimin Li , Yonghong Yu

Session-based recommender systems (SBRSs) predict users' next interacted items based on their historical activities. While most SBRSs capture purchasing intentions locally within each session, capturing items' global information across…

信息检索 · 计算机科学 2024-02-20 Yu Wang , Amin Javari , Janani Balaji , Walid Shalaby , Tyler Derr , Xiquan Cui

Session-based recommendation focuses on predicting the next item a user will interact with based on sequences of anonymous user sessions. A significant challenge in this field is data sparsity due to the typically short-term interactions.…

信息检索 · 计算机科学 2024-12-17 Zhe Yang , Tiantian Liang

Document-level context for neural machine translation (NMT) is crucial to improve the translation consistency and cohesion, the translation of ambiguous inputs, as well as several other linguistic phenomena. Many works have been published…

计算与语言 · 计算机科学 2023-06-09 Christian Herold , Hermann Ney

Online communities such as Facebook and Twitter are enormously popular and have become an essential part of the daily life of many of their users. Through these platforms, users can discover and create information that others will then…

信息检索 · 计算机科学 2019-04-17 Weiping Song , Zhiping Xiao , Yifan Wang , Laurent Charlin , Ming Zhang , Jian Tang

We describe a new semantic parsing setting that allows users to query the system using both natural language questions and actions within a graphical user interface. Multiple time series belonging to an entity of interest are stored in a…

计算与语言 · 计算机科学 2019-05-02 Charles Chen , Razvan Bunescu

In session-based recommender systems, predictions are based on the user's preceding behavior in the session. State-of-the-art sequential recommendation algorithms either use graph neural networks to model sessions in a graph or leverage the…

信息检索 · 计算机科学 2025-03-13 Andreas Peintner , Marta Moscati , Emilia Parada-Cabaleiro , Markus Schedl , Eva Zangerle

Learning an effective speaker representation is crucial for achieving reliable performance in speaker verification tasks. Speech signals are high-dimensional, long, and variable-length sequences containing diverse information at each…

音频与语音处理 · 电气工程与系统科学 2023-08-25 Wei Xia , John H. L. Hansen

Neural sequence to sequence models are well established for applications which can be cast as mapping a single input sequence into a single output sequence. In this work, we focus on cases where generation is conditioned on both a short…

计算与语言 · 计算机科学 2019-11-25 Xinyi Wang , Jason Weston , Michael Auli , Yacine Jernite

Learning personalization has proven its effectiveness in enhancing learner performance. Therefore, modern digital learning platforms have been increasingly depending on recommendation systems to offer learners personalized suggestions of…

人机交互 · 计算机科学 2023-12-19 Hasan Abu-Rasheed , Christian Weber , Madjid Fathi

Transformer models using segment-based processing have been an effective architecture for simultaneous speech translation. However, such models create a context mismatch between training and inference environments, hindering potential…

计算与语言 · 计算机科学 2023-07-06 Matthew Raffel , Drew Penney , Lizhong Chen

Session-based recommendation systems suggest relevant items to users by modeling user behavior and preferences using short-term anonymous sessions. Existing methods leverage Graph Neural Networks (GNNs) that propagate and aggregate…

信息检索 · 计算机科学 2022-01-10 Sai Mitheran , Abhinav Java , Surya Kant Sahu , Arshad Shaikh

Offline reinforcement learning (RL) algorithms can learn better decision-making compared to behavior policies by stitching the suboptimal trajectories to derive more optimal ones. Meanwhile, Decision Transformer (DT) abstracts the RL as…

机器学习 · 计算机科学 2024-05-28 Ziqi Zhang , Jingzehua Xu , Jinxin Liu , Zifeng Zhuang , Donglin Wang , Miao Liu , Shuai Zhang

The assumption that training and testing samples are generated from the same distribution does not always hold for real-world machine-learning applications. The procedure of tackling this discrepancy between the training (source) and…

机器学习 · 计算机科学 2018-12-05 Debasmit Das , C. S. George Lee

Context awareness is increasingly gaining applicability in interactive ubiquitous mobile computing systems. Each context-aware application has its own set of behaviors to react to context modifications. This paper is concerned with the…

人机交互 · 计算机科学 2016-09-07 Mao Zheng , Qian Xu , Hao Fan

This paper proposes a novel study on personality recognition using video data from different scenarios. Our goal is to jointly model nonverbal behavioral cues with contextual information for a robust, multi-scenario, personality recognition…

计算机视觉与模式识别 · 计算机科学 2019-10-16 Dario Dotti , Mirela Popa , Stylianos Asteriadis

Session-based recommendation aims to predict user's next behavior from current session and previous anonymous sessions. Capturing long-range dependencies between items is a vital challenge in session-based recommendation. A novel approach…

信息检索 · 计算机科学 2021-02-04 Jun Fang