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Related papers: CORE: a Complex Event Recognition Engine

200 papers

Facial expression recognition (FER) has always been a challenging issue in computer vision. The different expressions of emotion and uncontrolled environmental factors lead to inconsistencies in the complexity of FER and variability of…

Computer Vision and Pattern Recognition · Computer Science 2018-03-02 Tianyuan Chang , Guihua Wen , Yang Hu , JiaJiong Ma

Video data is highly expressive and has traditionally been very difficult for a machine to interpret. Querying event patterns from video streams is challenging due to its unstructured representation. Middleware systems such as Complex Event…

Computer Vision and Pattern Recognition · Computer Science 2020-07-16 Piyush Yadav , Edward Curry

Recommender systems trained on offline historical user behaviors are embracing conversational techniques to online query user preference. Unlike prior conversational recommendation approaches that systemically combine conversational and…

Information Retrieval · Computer Science 2023-10-09 Jiarui Jin , Xianyu Chen , Fanghua Ye , Mengyue Yang , Yue Feng , Weinan Zhang , Yong Yu , Jun Wang

Synchronization is a fundamental component of computational models of human behavior, at both intra-personal and inter-personal level. Event synchronization analysis was originally conceived with the aim of providing a simple and robust…

Human-Computer Interaction · Computer Science 2019-04-09 Paolo Alborno , Gualtiero Volpe , Maurizio Mancini , Radoslaw Niewiadomski , Stefano Piana , Antonio Camurri

To identify the causes of performance problems or to predict process behavior, it is essential to have correct and complete event data. This is particularly important for distributed systems with shared resources, e.g., one case can block…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-06-22 Dirk Fahland , Vadim Denisov , Wil. M. P. van der Aalst

Audio event classification is an important task for several applications such as surveillance, audio, video and multimedia retrieval etc. There are approximately 3M people with hearing loss who can't perceive events happening around them.…

Sound · Computer Science 2020-01-14 Harishchandra Dubey , Dimitra Emmanouilidou , Ivan J. Tashev

The quadratic complexity and indefinitely growing key-value (KV) cache of standard Transformers pose a major barrier to long-context processing. To overcome this, we introduce the Collaborative Memory Transformer (CoMeT), a novel…

Machine Learning · Computer Science 2026-04-20 Runsong Zhao , Shilei Liu , Jiwei Tang , Langming Liu , Haibin Chen , Weidong Zhang , Yujin Yuan , Tong Xiao , Jingbo Zhu , Wenbo Su , Bo Zheng

We target the problem of developing new low-complexity networks for the sound event detection task. Our goal is to meticulously analyze the performance-complexity trade-off, aiming to be competitive with the large state-of-the-art models,…

Sound · Computer Science 2025-06-13 Tobias Morocutti , Florian Schmid , Jonathan Greif , Francesco Foscarin , Gerhard Widmer

A method for classification of complex time series using coarse-grained entropy rates (CER's) is presented. The CER's, which are computed from information-theoretic functionals -- redundancies, are relative measures of regularity and…

comp-gas · Physics 2015-06-24 Milan Palus

Progress in continual reinforcement learning has been limited due to several barriers to entry: missing code, high compute requirements, and a lack of suitable benchmarks. In this work, we present CORA, a platform for Continual…

Machine Learning · Computer Science 2023-01-03 Sam Powers , Eliot Xing , Eric Kolve , Roozbeh Mottaghi , Abhinav Gupta

The article studies query evaluation in parallel constant time in the CRCW PRAM model. While it is well-known that all relational algebra queries can be evaluated in constant time on an appropriate CRCW PRAM model, this article is…

Databases · Computer Science 2026-05-14 Jens Keppeler , Thomas Schwentick , Christopher Spinrath

Cavitation intensity recognition (CIR) is a critical technology for detecting and evaluating cavitation phenomena in hydraulic machinery, with significant implications for operational safety, performance optimization, and maintenance cost…

Signal Processing · Electrical Eng. & Systems 2025-12-16 Yu Sha , Ningtao Liu , Haofeng Liu , Junqi Tao , Zhenxing Niu , Guojun Huang , Yao Yao , Jiaqi Liang , Moxian Qian , Horst Stoecker , Domagoj Vnucec , Andreas Widl , Kai Zhou

Complex Event Processing (CEP) is an emerging field with important applications in many areas. CEP systems collect events arriving from input data streams and use them to infer more complex events according to predefined patterns. The…

Databases · Computer Science 2018-07-03 Ilya Kolchinsky , Assaf Schuster , Danny Keren

Understanding emotions from diverse contexts has received widespread attention in computer vision communities. The core philosophy of Context-Aware Emotion Recognition (CAER) is to provide valuable semantic cues for recognizing the emotions…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Dingkang Yang , Kun Yang , Haopeng Kuang , Zhaoyu Chen , Yuzheng Wang , Lihua Zhang

Recent works have demonstrated the effectiveness of retrieval augmentation in the Event Argument Extraction (EAE) task. However, existing retrieval-based EAE methods have two main limitations: (1) input length constraints and (2) the gap…

Computation and Language · Computer Science 2024-09-17 Wanlong Liu , Enqi Zhang , Li Zhou , Dingyi Zeng , Shaohuan Cheng , Chen Zhang , Malu Zhang , Wenyu Chen

Event Stream Super-Resolution (ESR) aims to address the challenge of insufficient spatial resolution in event streams, which holds great significance for the application of event cameras in complex scenarios. Previous works for ESR often…

Computer Vision and Pattern Recognition · Computer Science 2024-05-17 Zhilin Huang , Quanmin Liang , Yijie Yu , Chujun Qin , Xiawu Zheng , Kai Huang , Zikun Zhou , Wenming Yang

As an essential task in information extraction (IE), Event-Event Causal Relation Extraction (ECRE) aims to identify and classify the causal relationships between event mentions in natural language texts. However, existing research on ECRE…

Computation and Language · Computer Science 2024-10-08 Zimu Wang , Lei Xia , Wei Wang , Xinya Du

In-network computing using programmable networking hardware is a strong trend in networking that promises to reduce latency and consumption of server resources through offloading to network elements (programmable switches and smart NICs).…

Networking and Internet Architecture · Computer Science 2018-06-13 Thomas Kohler , Ruben Mayer , Frank Dürr , Marius Maaß , Sukanya Bhowmik , Kurt Rothermel

Event cameras are bio-inspired sensors that capture the per-pixel intensity changes asynchronously and produce event streams encoding the time, pixel position, and polarity (sign) of the intensity changes. Event cameras possess a myriad of…

Computer Vision and Pattern Recognition · Computer Science 2024-04-12 Xu Zheng , Yexin Liu , Yunfan Lu , Tongyan Hua , Tianbo Pan , Weiming Zhang , Dacheng Tao , Lin Wang

Systems for symbolic event recognition accept as input a stream of time-stamped events from sensors and other computational devices, and seek to identify high-level composite events, collections of events that satisfy some pattern. RTEC is…

Artificial Intelligence · Computer Science 2015-05-21 Alexander Artikis , Marek Sergot , Georgios Paliouras