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The increasing popularity of real-world recommender systems produces data continuously and rapidly, and it becomes more realistic to study recommender systems under streaming scenarios. Data streams present distinct properties such as…

Social and Information Networks · Computer Science 2016-07-22 Shiyu Chang , Yang Zhang , Jiliang Tang , Dawei Yin , Yi Chang , Mark A. Hasegawa-Johnson , Thomas S. Huang

The proliferation of GPS-enabled devices has led to the development of numerous location-based services. These services need to process massive amounts of spatial data in real-time. The current scale of spatial data cannot be handled using…

Databases · Computer Science 2020-02-28 Anas Daghistani , Walid G. Aref , Arif Ghafoor , Ahmed R. Mahmood

Open-vocabulary semantic segmentation enables models to segment objects or image regions beyond fixed class sets, offering flexibility in dynamic environments. However, existing methods often rely on single-view images and struggle with…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Thomas Campagnolo , Ezio Malis , Philippe Martinet , Gaétan Bahl

Human activity recognition (HAR) in smart homes remains challenging because many daily activities exhibit similar local sensor patterns, while minimally intrusive sensing provides sparse and ambiguous observations. As a result, methods…

In dynamic traffic environments, motion forecasting models must be able to accurately estimate future trajectories continuously. Streaming-based methods are a promising solution, but despite recent advances, their performance often degrades…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Alexander Prutsch , Christian Fruhwirth-Reisinger , David Schinagl , Horst Possegger

SPREV, short for hyperSphere Reduced to two-dimensional Regular Polygon for Visualisation, is a novel dimensionality reduction technique developed to address the challenges of reducing dimensions and visualizing labeled datasets that…

Graphics · Computer Science 2025-04-16 Srivathsan Amruth

In this paper we study the problem of shape part retrieval in the point cloud domain. Shape retrieval methods in the literature rely on the presence of an existing query object, but what if the part we are looking for is not available? We…

Computer Vision and Pattern Recognition · Computer Science 2024-10-21 Vlassis Fotis , Ioannis Romanelis , Georgios Mylonas , Athanasios Kalogeras , Konstantinos Moustakas

Recent progress in multiple object tracking (MOT) has shown that a robust similarity score is key to the success of trackers. A good similarity score is expected to reflect multiple cues, e.g. appearance, location, and topology, over a long…

Computer Vision and Pattern Recognition · Computer Science 2019-04-26 Jiarui Xu , Yue Cao , Zheng Zhang , Han Hu

Event cameras have shown promise in vision applications like optical flow estimation and stereo matching, with many specialized architectures leveraging the asynchronous and sparse nature of event data. However, existing works only focus…

Computer Vision and Pattern Recognition · Computer Science 2024-11-25 Pengjie Zhang , Lin Zhu , Xiao Wang , Lizhi Wang , Wanxuan Lu , Hua Huang

The aim of process discovery, originating from the area of process mining, is to discover a process model based on business process execution data. A majority of process discovery techniques relies on an event log as an input. An event log…

Databases · Computer Science 2017-05-17 Sebastiaan J. van Zelst , Boudewijn F. van Dongen , Wil M. P. van der Aalst

The limited and dynamically varied resources on edge devices motivate us to deploy an optimized deep neural network that can adapt its sub-networks to fit in different resource constraints. However, existing works often build sub-networks…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Zhongnan Qu , Syed Shakib Sarwar , Xin Dong , Yuecheng Li , Ekin Sumbul , Barbara De Salvo

Online, real-time, and fine-grained 3D segmentation constitutes a fundamental capability for embodied intelligent agents to perceive and comprehend their operational environments. Recent advancements employ predefined object queries to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Hanshi Wang , Zijian Cai , Jin Gao , Yiwei Zhang , Weiming Hu , Ke Wang , Zhipeng Zhang

Referring perception, which aims at grounding visual objects with multimodal referring guidance, is essential for bridging the gap between humans, who provide instructions, and the environment where intelligent systems perceive. Despite…

Computer Vision and Pattern Recognition · Computer Science 2024-03-11 Xiang Li , Kai Qiu , Jinglu Wang , Xiaohao Xu , Rita Singh , Kashu Yamazak , Hao Chen , Xiaonan Huang , Bhiksha Raj

Autonomous driving requires the model to perceive the environment and (re)act within a low latency for safety. While past works ignore the inevitable changes in the environment after processing, streaming perception is proposed to jointly…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Jinrong Yang , Songtao Liu , Zeming Li , Xiaoping Li , Jian Sun

Ubiquitous sensors today emit high frequency streams of numerical measurements that reflect properties of human, animal, industrial, commercial, and natural processes. Shifts in such processes, e.g. caused by external events or internal…

Machine Learning · Computer Science 2025-04-04 Arik Ermshaus , Patrick Schäfer , Ulf Leser

Emerging applications in Internet of Things (IoT) and Cyber-Physical Systems (CPS) present novel challenges to Big Data platforms for performing online analytics. Ubiquitous sensors from IoT deployments are able to generate data streams at…

Databases · Computer Science 2019-05-10 Qunzhi Zhou , Yogesh Simmhan , Viktor Prasanna

Regular expression matching is essential for many applications, such as finding patterns in text, exploring substrings in large DNA sequences, or lexical analysis. However, sequential regular expression matching may be time-prohibitive for…

Formal Languages and Automata Theory · Computer Science 2015-06-30 Suejb Memeti , Sabri Pllana

VERSA provides a general-purpose framework for defining and recognizing events in live or recorded surveillance video streams. The approach for event recognition in VERSA is using a declarative logic language to define the spatial and…

Computer Vision and Pattern Recognition · Computer Science 2010-07-23 Stephen O'Hara

Information Retrieval (IR) evaluation involves far more complexity than merely presenting performance measures in a table. Researchers often need to compare multiple models across various dimensions, such as the Precision-Recall trade-off…

Information Retrieval · Computer Science 2024-12-23 Georgios Peikos , Wojciech Kusa , Symeon Symeonidis

As online platforms and recommendation algorithms evolve, people are increasingly trapped in echo chambers, leading to biased understandings of various issues. To combat this issue, we have introduced PerSphere, a benchmark designed to…

Computation and Language · Computer Science 2024-12-18 Yun Luo , Yingjie Li , Xiangkun Hu , Qinglin Qi , Fang Guo , Qipeng Guo , Zheng Zhang , Yue Zhang