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Related papers: Recurrence in Dense-time AMS Assertions

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In this work, we attempt to ameliorate the impact of data sparsity in the context of session-based recommendation. Specifically, we seek to devise a machine learning mechanism capable of extracting subtle and complex underlying temporal…

Information Retrieval · Computer Science 2017-06-14 Sotirios Chatzis , Panayiotis Christodoulou , Andreas S. Andreou

This paper deals with symbolic time series representation. It builds up on the popular mapping technique Symbolic Aggregate approXimation algorithm (SAX), which is extensively utilized in sequence classification, pattern mining, anomaly…

Machine Learning · Computer Science 2022-05-27 Matej Kloska , Viera Rozinajova

Machine sounds exhibit consistent and repetitive patterns in both the frequency and time domains, which vary significantly across scales for different machine types. For instance, rotating machines often show periodic features in short time…

Sound · Computer Science 2025-08-26 Yucong Zhang , Juan Liu , Ming Li

Detecting spoofing attempts of automatic speaker verification (ASV) systems is challenging, especially when using only one modeling approach. For robustness, we use both deep neural networks and traditional machine learning models and…

Audio and Speech Processing · Electrical Eng. & Systems 2019-07-05 Bhusan Chettri , Daniel Stoller , Veronica Morfi , Marco A. Martínez Ramírez , Emmanouil Benetos , Bob L. Sturm

The identification and modeling of time-varying systems is a fundamental challenge in signal processing and system identification. To address this challenge, we propose a class of time-varying state-space model (SSM) based neural networks…

Machine Learning · Computer Science 2026-05-18 Sanja Karilanova , Subhrakanti Dey , Ayça Özçelikkale

We show that dimensional recurrence relation and analytical properties of the loop integrals as functions of complex variable $\mathcal{D}$ (space-time dimensionality) provide a regular way to derive analytical representations of loop…

High Energy Physics - Phenomenology · Physics 2010-02-19 R. N. Lee

This paper is a first step in the study of the recurrence behavior in random dynamical systems and randomly perturbed dynamical systems. In particular we define a concept of quenched and annealed return times for systems generated by the…

Dynamical Systems · Mathematics 2009-10-12 Philippe Marie , Jerome Rousseau

Recent theoretical advancement of information density in natural language has brought the following question on desk: To what degree does natural language exhibit periodicity pattern in its encoded information? We address this question by…

Computation and Language · Computer Science 2026-04-27 Yulin Ou , Yu Wang , Yang Xu , Hendrik Buschmeier

Speaker verification (SV) has recently attracted considerable research interest due to the growing popularity of virtual assistants. At the same time, there is an increasing requirement for an SV system: it should be robust to short speech…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-07 Youngmoon Jung , Yeunju Choi , Hyungjun Lim , Hoirin Kim

For many years, the Simplified Refined Instrumental Variable method for Continuous-time systems (SRIVC) has been widely used for identification. The intersample behaviour of the input plays an important role in this method, and it has been…

Systems and Control · Electrical Eng. & Systems 2021-03-15 Rodrigo A. González , Cristian R. Rojas , Siqi Pan , James S. Welsh

Voice controlled virtual assistants (VAs) are now available in smartphones, cars, and standalone devices in homes. In most cases, the user needs to first "wake-up" the VA by saying a particular word/phrase every time he or she wants the VA…

Human-Computer Interaction · Computer Science 2019-02-05 Atta Norouzian , Bogdan Mazoure , Dermot Connolly , Daniel Willett

Recurrence quantification analysis is a method for measuring the complexity of dynamical systems. Recurrence determinism is a fundamental characteristic of it, closely related to correlation sum. In this paper, we study asymptotic behavior…

Dynamical Systems · Mathematics 2023-04-05 Michaela Mihoková

In power electronic systems (PES), attacks on data availability such as latency attacks, data dropouts, and time-synchronization attacks (TSAs) continue to pose significant threats to both the communication network and the control system…

Systems and Control · Electrical Eng. & Systems 2024-02-23 Kirti Gupta , Subham Sahoo , Bijaya Ketan Panigrahi

We analyze a class of high-amplitude, high-frequency oscillatory systems in which periodicity occurs on two distinct time scales and establish the convergence of its trajectories to a suitably averaged system by recursively applying the…

Optimization and Control · Mathematics 2022-03-23 Mahmoud Abdelgalil , Haithem Taha

We initiate the study of the verification power of AfAs as part of Arthur-Merlin (AM) proof systems. We show that every unary language is verified by a real-valued AfA verifier. Then, we focus on the verifiers restricted to have only…

Formal Languages and Automata Theory · Computer Science 2021-04-23 Aliya Khadieva , Abuzer Yakaryılmaz

Multi-talker automatic speech recognition (ASR) has been studied to generate transcriptions of natural conversation including overlapping speech of multiple speakers. Due to the difficulty in acquiring real conversation data with…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-21 Muqiao Yang , Naoyuki Kanda , Xiaofei Wang , Jian Wu , Sunit Sivasankaran , Zhuo Chen , Jinyu Li , Takuya Yoshioka

Artificial intelligence is observed to age not through chronological time but through structural asymmetries in memory performance. In large language models, semantic cues such as the name of the day often remain stable across sessions,…

Computation and Language · Computer Science 2026-03-20 Seyma Yaman Kayadibi

Recurrent neural networks (RNN) as used in machine learning are commonly formulated in discrete time, i.e. as recursive maps. This brings a lot of advantages for training models on data, e.g. for the purpose of time series prediction or…

Dynamical Systems · Mathematics 2020-07-02 Zahra Monfared , Daniel Durstewitz

Timed automata and register automata are well-known models of computation over timed and data words respectively. The former has clocks that allow to test the lapse of time between two events, whilst the latter includes registers that can…

Formal Languages and Automata Theory · Computer Science 2019-02-20 Diego Figueira , Piotr Hofman , Sławomir Lasota

The aim of our paper is to formulate and solve problems concerning multitime multiple recurrence equations. We discuss in detail the generic properties and the existence and uniqueness of solutions. Among the general things, we discuss in…

Dynamical Systems · Mathematics 2015-06-09 Cristian Ghiu , Raluca Tuliga , Constantin Udriste