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Discrete-event (DE) systems are concurrent programs where components communicate via tagged events, where tags are drawn from a totally ordered set. Reactors are an emerging model of computation based on DE and realized in the open-source…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-05-21 Peter Donovan , Erling Jellum , Byeonggil Jun , Hokeun Kim , Edward A. Lee , Shaokai Lin , Marten Lohstroh , Anirudh Rengarajan

In this paper we introduce and study Event-Clock Nested Automata (ECNA), a formalism that combines Event Clock Automata (ECA) and Visibly Pushdown Automata (VPA). ECNA allow to express real-time properties over non-regular patterns of…

Formal Languages and Automata Theory · Computer Science 2017-11-23 Laura Bozzelli , Aniello Murano , Adriano Peron

Robust and flexible event representations are important to many core areas in language understanding. Scripts were proposed early on as a way of representing sequences of events for such understanding, and has recently attracted renewed…

Computation and Language · Computer Science 2017-11-22 Noah Weber , Niranjan Balasubramanian , Nathanael Chambers

We introduce session automata, an automata model to process data words, i.e., words over an infinite alphabet. Session automata support the notion of fresh data values, which are well suited for modeling protocols in which sessions using…

Logic in Computer Science · Computer Science 2015-07-01 Benedikt Bollig , Peter Habermehl , Martin Leucker , Benjamin Monmege

To enhance the generalization ability of the model and improve the effectiveness of the transformer for named entity recognition tasks, the XLNet-Transformer-R model is proposed in this paper. The XLNet pre-trained model and the Transformer…

Computation and Language · Computer Science 2023-06-16 Weidong Ji , Yousheng Zhang , Guohui Zhou , Xu Wang

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

Connectionist temporal classification (CTC)-based scene text recognition (STR) methods, e.g., SVTR, are widely employed in OCR applications, mainly due to their simple architecture, which only contains a visual model and a CTC-aligned…

Computer Vision and Pattern Recognition · Computer Science 2025-07-16 Yongkun Du , Zhineng Chen , Hongtao Xie , Caiyan Jia , Yu-Gang Jiang

This paper focuses on a referring expression generation (REG) task in which the aim is to pick out an object in a complex visual scene. One common theoretical approach to this problem is to model the task as a two-agent cooperative scheme…

Computation and Language · Computer Science 2022-05-17 Hieu Le , Taufiq Daryanto , Fabian Zhafransyah , Derry Wijaya , Elizabeth Coppock , Sang Chin

This paper introduces the Ongoing Event Detection (OED) task, which is a specific Event Detection task where the goal is to detect ongoing event mentions only, as opposed to historical, future, hypothetical, or other forms or events that…

Computation and Language · Computer Science 2021-02-09 Mariano Maisonnave , Fernando Delbianco , Fernando Tohmé , Ana Maguitman , Evangelos Milios

The paper presents a method for spoken term detection based on the Transformer architecture. We propose the encoder-encoder architecture employing two BERT-like encoders with additional modifications, including convolutional and upsampling…

Computation and Language · Computer Science 2022-11-03 Jan Švec , Luboš Šmídl , Jan Lehečka

Automata extraction is a method for synthesising interpretable surrogates for black-box neural models that can be analysed symbolically. Existing techniques assume a finite input alphabet, and thus are not directly applicable to data…

Artificial Intelligence · Computer Science 2025-11-25 Chih-Duo Hong , Hongjian Jiang , Anthony W. Lin , Oliver Markgraf , Julian Parsert , Tony Tan

An analog automatic event recognition (AER) system can be realized by combining the technique of holographic image recognition with the process of temporal signal correlation employing stimulated photon echo in an ensemble of two-level…

Quantum Physics · Physics 2025-03-19 Shamima Mitu , Xi Shen , Julian Gamboa , Tabassom Hamidfar , Selim M. Shahriar

It's challenging to customize transducer-based automatic speech recognition (ASR) system with context information which is dynamic and unavailable during model training. In this work, we introduce a light-weight contextual spelling…

Computation and Language · Computer Science 2021-08-29 Xiaoqiang Wang , Yanqing Liu , Sheng Zhao , Jinyu Li

We propose a novel end-to-end multi-talker automatic speech recognition (ASR) framework that enables both multi-speaker (MS) ASR and target-speaker (TS) ASR. Our proposed model is trained in a fully end-to-end manner, incorporating speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-20 Jinhan Wang , Weiqing Wang , Kunal Dhawan , Taejin Park , Myungjong Kim , Ivan Medennikov , He Huang , Nithin Koluguri , Jagadeesh Balam , Boris Ginsburg

Detecting mixed-critical events through computer vision is challenging due to the need for contextual understanding to assess event criticality accurately. Mixed critical events, such as fires of varying severity or traffic incidents,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Filza Akhlaq , Alina Arshad , Muhammad Yehya Hayati , Jawwad A. Shamsi , Muhammad Burhan Khan

Robustness certification, which aims to formally certify the predictions of neural networks against adversarial inputs, has become an integral part of important tool for safety-critical applications. Despite considerable progress, existing…

Computer Vision and Pattern Recognition · Computer Science 2024-01-12 Daqian Shao , Lukas Fesser , Marta Kwiatkowska

Transformer, based on the encoder-decoder framework, has achieved state-of-the-art performance on several natural language generation tasks. The encoder maps the words in the input sentence into a sequence of hidden states, which are then…

Computation and Language · Computer Science 2020-02-25 Rongxiang Weng , Haoran Wei , Shujian Huang , Heng Yu , Lidong Bing , Weihua Luo , Jiajun Chen

While recent Transformer-based approaches have shown impressive performances on event-based object detection tasks, their high computational costs still diminish the low power consumption advantage of event cameras. Image-based works…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Yansong Peng , Hebei Li , Yueyi Zhang , Xiaoyan Sun , Feng Wu

Saliency prediction has been extensively studied in RGB images and videos as a computational model of human visual attention. In contrast, predicting saliency from event-based data remains largely unexplored, despite the biological…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Romaric Mazna , Jean Martinet , Sai Deepesh Pokala

The recognition of texts existing in camera-captured images has become an important issue for a great deal of research during the past few decades. This give birth to Scene Character Recognition (SCR) which is an important step in scene…

Computer Vision and Pattern Recognition · Computer Science 2018-07-20 Maroua Tounsi , Ikram Moalla , Frank Lebourgeois , Adel M. Alimi