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Eliciting knowledge from pre-trained language models via prompt-based learning has shown great potential in many natural language processing tasks. Whereas, the applications for more complex tasks such as event extraction are less studied…

Computation and Language · Computer Science 2022-05-16 Jiaju Lin , Qin Chen

This paper shows that characterizing co-occurrence between events is an important but non-trivial and neglected aspect of discovering potential causal relationships in multimedia event streams. First an introduction to the notion of event…

Multimedia · Computer Science 2016-03-31 Laleh Jalali , Ramesh Jain

Recently, discrete latent variable models have received a surge of interest in both Natural Language Processing (NLP) and Computer Vision (CV), attributed to their comparable performance to the continuous counterparts in representation…

Computation and Language · Computer Science 2022-11-08 Erxin Yu , Lan Du , Yuan Jin , Zhepei Wei , Yi Chang

Biomedical events describe complex interactions between various biomedical entities. Event trigger is a word or a phrase which typically signifies the occurrence of an event. Event trigger identification is an important first step in all…

Computation and Language · Computer Science 2017-05-29 Patchigolla V S S Rahul , Sunil Kumar Sahu , Ashish Anand

Event schema provides a conceptual, structural and formal language to represent events and model the world event knowledge. Unfortunately, it is challenging to automatically induce high-quality and high-coverage event schemas due to the…

Computation and Language · Computer Science 2023-05-15 Jialong Tang , Hongyu Lin , Zhuoqun Li , Yaojie Lu , Xianpei Han , Le Sun

Event detection in unconstrained videos is conceived as a content-based video retrieval with two modalities: textual and visual. Given a text describing a novel event, the goal is to rank related videos accordingly. This task is…

Computer Vision and Pattern Recognition · Computer Science 2017-05-08 Noureldien Hussein , Efstratios Gavves , Arnold W. M. Smeulders

Event-based vision sensors encode local pixel-wise brightness changes in streams of events rather than image frames and yield sparse, energy-efficient encodings of scenes, in addition to low latency, high dynamic range, and lack of motion…

Computer Vision and Pattern Recognition · Computer Science 2022-02-09 Alexander Kugele , Thomas Pfeil , Michael Pfeiffer , Elisabetta Chicca

Structured scene descriptions of images are useful for the automatic processing and querying of large image databases. We show how the combination of a semantic and a visual statistical model can improve on the task of mapping images to…

Computation and Language · Computer Science 2018-09-10 Stephan Baier , Yunpu Ma , Volker Tresp

Event Extraction (EE), aiming to identify and classify event triggers and arguments from event mentions, has benefited from pre-trained language models (PLMs). However, existing PLM-based methods ignore the information of trigger/argument…

Computation and Language · Computer Science 2023-05-22 Xingyu Bai , Taiqiang Wu , Han Guo , Zhe Zhao , Xuefeng Yang , Jiayi Li , Weijie Liu , Qi Ju , Weigang Guo , Yujiu Yang

Automotive embedded algorithms have very high constraints in terms of latency, accuracy and power consumption. In this work, we propose to train spiking neural networks (SNNs) directly on data coming from event cameras to design fast and…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Loïc Cordone , Benoît Miramond , Philippe Thierion

Event-based keypoint detection and matching holds significant potential, enabling the integration of event sensors into highly optimized Visual SLAM systems developed for frame cameras over decades of research. Unfortunately, existing…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Yannick Burkhardt , Simon Schaefer , Stefan Leutenegger

Multimedia event detection has been receiving increasing attention in recent years. Besides recognizing an event, the discovery of evidences (which is refered to as "recounting") is also crucial for user to better understand the searching…

Computer Vision and Pattern Recognition · Computer Science 2017-10-24 Mengyi Liu , Lu Jiang , Shiguang Shan , Alexander G. Hauptmann

Systems for symbolic event recognition infer occurrences of events in time using a set of event definitions in the form of first-order rules. The Event Calculus is a temporal logic that has been used as a basis in event recognition…

Machine Learning · Computer Science 2021-03-31 Nikos Katzouris , Alexander Artikis , Georgios Paliouras

Identifying events and mapping them to pre-defined event types has long been an important natural language processing problem. Most previous work has been heavily relying on labor-intensive and domain-specific annotations while ignoring the…

Computation and Language · Computer Science 2021-06-03 Hongming Zhang , Haoyu Wang , Dan Roth

This paper demonstrates the potential of convolutional neural networks (CNN) for detecting and classifying prosodic events on words, specifically pitch accents and phrase boundary tones, from frame-based acoustic features. Typical…

Computation and Language · Computer Science 2017-06-05 Sabrina Stehwien , Ngoc Thang Vu

We present a sequential model for temporal relation classification between intra-sentence events. The key observation is that the overall syntactic structure and compositional meanings of the multi-word context between events are important…

Computation and Language · Computer Science 2017-07-25 Prafulla Kumar Choubey , Ruihong Huang

Historically, the Natural Language Processing area has been given too much attention by many researchers. One of the main motivation beyond this interest is related to the word prediction problem, which states that given a set words in a…

Computation and Language · Computer Science 2018-03-05 Henrique X. Goulart , Mauro D. L. Tosi , Daniel Soares Gonçalves , Rodrigo F. Maia , Guilherme A. Wachs-Lopes

This paper presents an implemented system for recognizing the occurrence of events described by simple spatial-motion verbs in short image sequences. The semantics of these verbs is specified with event-logic expressions that describe…

Artificial Intelligence · Computer Science 2011-06-02 J. M. Siskind

Event cameras are bio-inspired vision sensors that naturally capture the dynamics of a scene, filtering out redundant information. This paper presents a deep neural network approach that unlocks the potential of event cameras on a…

Computer Vision and Pattern Recognition · Computer Science 2019-01-21 Ana I. Maqueda , Antonio Loquercio , Guillermo Gallego , Narciso Garcia , Davide Scaramuzza

We target modeling latent dynamics in high-dimension marked event sequences without any prior knowledge about marker relations. Such problem has been rarely studied by previous works which would have fundamental difficulty to handle the…

Machine Learning · Computer Science 2019-10-29 Qitian Wu , Zixuan Zhang , Xiaofeng Gao , Junchi Yan , Guihai Chen