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Sequential recommendation is an extensively explored approach to capturing users' evolving preferences based on past interactions, aimed at predicting their next likely choice. Despite significant advancements in this domain, including…

Information Retrieval · Computer Science 2025-04-15 Kowei Shih , Yi Han , Li Tan

In human-computer conversation systems, the context of a user-issued utterance is particularly important because it provides useful background information of the conversation. However, it is unwise to track all previous utterances in the…

Computation and Language · Computer Science 2016-10-14 Yiping Song , Lili Mou , Rui Yan , Li Yi , Zinan Zhu , Xiaohua Hu , Ming Zhang

As users often express their preferences with binary behavior data~(implicit feedback), such as clicking items or buying products, implicit feedback based Collaborative Filtering~(CF) models predict the top ranked items a user might like by…

Information Retrieval · Computer Science 2021-05-27 Lei Chen , Le Wu , Kun Zhang , Richang Hong , Meng Wang

Query Segmentation is one of the critical components for understanding users' search intent in Information Retrieval tasks. It involves grouping tokens in the search query into meaningful phrases which help downstream tasks like search…

Information Retrieval · Computer Science 2017-07-26 Ajinkya Kale , Thrivikrama Taula , Sanjika Hewavitharana , Amit Srivastava

A session-based news recommender system recommends the next news to a user by modeling the potential interests embedded in a sequence of news read/clicked by her/him in a session. Generally, a user's interests are diverse, namely there are…

Information Retrieval · Computer Science 2022-07-20 Rongyao Wang , Wenpeng Lu

A success factor for modern companies in the age of Digital Marketing is to understand how customers think and behave based on their online shopping patterns. While the conventional method of gathering consumer insights through…

Machine Learning · Computer Science 2020-10-07 Sohini Roychowdhury , Wenxi Li , Ebrahim Alareqi , Akhilesh Pandita , Ao Liu , Joakim Soderberg

Temporal action segmentation approaches have been very successful recently. However, annotating videos with frame-wise labels to train such models is very expensive and time consuming. While weakly supervised methods trained using only…

Computer Vision and Pattern Recognition · Computer Science 2021-03-29 Zhe Li , Yazan Abu Farha , Juergen Gall

At the heart of contemporary recommender systems (RSs) are latent factor models that provide quality recommendation experience to users. These models use embedding vectors, which are typically of a uniform and fixed size, to represent users…

Information Retrieval · Computer Science 2026-02-05 Yunke Qu , Tong Chen , Quoc Viet Hung Nguyen , Hongzhi Yin

Accurately modeling user preferences is crucial for improving the performance of content-based recommender systems. Existing approaches often rely on simplistic user profiling methods, such as averaging or concatenating item embeddings,…

Information Retrieval · Computer Science 2025-08-13 Milad Sabouri , Masoud Mansoury , Kun Lin , Bamshad Mobasher

Defining similarity measures is a requirement for some machine learning methods. One such method is case-based reasoning (CBR) where the similarity measure is used to retrieve the stored case or set of cases most similar to the query case.…

Machine Learning · Computer Science 2020-01-16 Bjørn Magnus Mathisen , Agnar Aamodt , Kerstin Bach , Helge Langseth

The emergence of Segment Anything (SAM) sparked research interest in the field of interactive segmentation, especially in the context of image editing tasks and speeding up data annotation. Unlike common semantic segmentation, interactive…

Computer Vision and Pattern Recognition · Computer Science 2024-10-25 Anton Antonov , Andrey Moskalenko , Denis Shepelev , Alexander Krapukhin , Konstantin Soshin , Anton Konushin , Vlad Shakhuro

This paper focuses on weakly-supervised action alignment, where only the ordered sequence of video-level actions is available for training. We propose a novel Duration Network, which captures a short temporal window of the video and learns…

Computer Vision and Pattern Recognition · Computer Science 2020-11-23 Reza Ghoddoosian , Saif Sayed , Vassilis Athitsos

Motion, measured via optical flow, provides a powerful cue to discover and learn objects in images and videos. However, compared to using appearance, it has some blind spots, such as the fact that objects become invisible if they do not…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Subhabrata Choudhury , Laurynas Karazija , Iro Laina , Andrea Vedaldi , Christian Rupprecht

Accurately modeling user preferences is vital not only for improving recommendation performance but also for enhancing transparency in recommender systems. Conventional user profiling methods, such as averaging item embeddings, often…

Information Retrieval · Computer Science 2025-05-05 Milad Sabouri , Masoud Mansoury , Kun Lin , Bamshad Mobasher

Sequential recommendation aims to capture user preferences by modeling sequential patterns in user-item interactions. However, these models are often influenced by noise such as accidental interactions, leading to suboptimal performance.…

Information Retrieval · Computer Science 2025-10-07 Tongzhou Wu , Yuhao Wang , Maolin Wang , Chi Zhang , Xiangyu Zhao

Recently, recommendation according to sequential user behaviors has shown promising results in many application scenarios. Generally speaking, real-world sequential user behaviors usually reflect a hybrid of sequential influences and…

Information Retrieval · Computer Science 2019-10-18 Xu Chen , Kenan Cui , Ya Zhang , Yanfeng Wang

Interactive segmentation methods rely on user inputs to iteratively update the selection mask. A click specifying the object of interest is arguably the most simple and intuitive interaction type, and thereby the most common choice for…

Computer Vision and Pattern Recognition · Computer Science 2024-04-08 Andrey Moskalenko , Vlad Shakhuro , Anna Vorontsova , Anton Konushin , Anton Antonov , Alexander Krapukhin , Denis Shepelev , Konstantin Soshin

We present collaborative similarity embedding (CSE), a unified framework that exploits comprehensive collaborative relations available in a user-item bipartite graph for representation learning and recommendation. In the proposed framework,…

Information Retrieval · Computer Science 2019-02-20 Chih-Ming Chen , Chuan-Ju Wang , Ming-Feng Tsai , Yi-Hsuan Yang

The goal of session-based recommendation (SR) models is to utilize the information from past actions (e.g. item/product clicks) in a session to recommend items that a user is likely to click next. Recently it has been shown that the…

Information Retrieval · Computer Science 2021-03-05 Priyanka Gupta , Diksha Garg , Pankaj Malhotra , Lovekesh Vig , Gautam Shroff

For complex segmentation tasks, the achievable accuracy of fully automated systems is inherently limited. Specifically, when a precise segmentation result is desired for a small amount of given data sets, semi-automatic methods exhibit a…

Human-Computer Interaction · Computer Science 2019-09-04 Mario Amrehn , Stefan Steidl , Reinier Kortekaas , Maddalena Strumia , Markus Weingarten , Markus Kowarschik , Andreas Maier
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