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The range of potential applications of acoustic analysis is wide. Classification of sounds, in particular, is a typical machine learning task that received a lot of attention in recent years. The most common approaches to sound…

This paper proposes a novel adaptive algorithm for the automated short-term trading of financial instrument. The algorithm adopts a semantic sentiment analysis technique to inspect the Twitter posts and to use them to predict the behaviour…

Social and Information Networks · Computer Science 2018-01-17 Paolo Cremonesi , Chiara Francalanci , Alessandro Poli , Roberto Pagano , Luca Mazzoni , Alberto Maggioni , Mehdi Elahi

Cognitive diagnosis assessment is a fundamental and crucial task for student learning. It models the student-exercise interaction, and discovers the students' proficiency levels on each knowledge attribute. In real-world intelligent…

Computers and Society · Computer Science 2024-01-22 Junhao Shen , Hong Qian , Wei Zhang , Aimin Zhou

Foundation models for time series analysis (TSA) have attracted significant attention. However, challenges such as data scarcity and data imbalance continue to hinder their development. To address this, we consider modeling complex systems…

Machine Learning · Computer Science 2025-02-24 Wenxuan Wang , Kai Wu , Yujian Betterest Li , Dan Wang , Xiaoyu Zhang , Jing Liu

We present in this paper an intelligent video data visualization tool, based on semantic classification, for retrieving and exploring a large scale corpus of videos. Our work is based on semantic classification resulting from semantic…

Information Retrieval · Computer Science 2012-09-07 Jamel Slimi , Anis Ben Ammar , Adel M. Alimi

Interactive visual analytic systems enable users to discover insights from complex data. Users can express and test hypotheses via user interaction, leveraging their domain expertise and prior knowledge to guide and steer the analytic…

Human-Computer Interaction · Computer Science 2016-04-12 Nathan Oken Hodas , Alex Endert

Static analysis approximates the results of a program by examining only its syntax. For example, control-flow analysis (CFA) determines which syntactic lambdas (for functional languages) or (for object-oriented) methods may be invoked at…

Programming Languages · Computer Science 2021-07-28 Davis Ross Silverman , Yihao Sun , Kristopher Micinski , Thomas Gilray

The use of statistical software in academia and enterprises has been evolving over the last years. More often than not, students, professors, workers, and users, in general, have all had, at some point, exposure to statistical software.…

Applications · Statistics 2019-08-21 Rui Portocarrero Sarmento , Vera Costa

Domain adaptation (DA) offers a valuable means to reuse data and models for new problem domains. However, robust techniques have not yet been considered for time series data with varying amounts of data availability. In this paper, we make…

Machine Learning · Computer Science 2020-05-25 Garrett Wilson , Janardhan Rao Doppa , Diane J. Cook

There is a growing need to semantically process and integrate clinical data from different sources for Clinical Data Management and Clinical Decision Support in the healthcare IT industry. In the clinical practice domain, the semantic gap…

Databases · Computer Science 2012-10-25 Hong Sun , Kristof Depraetere , Jos De Roo , Boris De Vloed , Giovanni Mels , Dirk Colaert

3D shape completion from point clouds is a challenging task, especially from scans of real-world objects. Considering the paucity of 3D shape ground truths for real scans, existing works mainly focus on benchmarking this task on synthetic…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Yushuang Wu , Zizheng Yan , Ce Chen , Lai Wei , Xiao Li , Guanbin Li , Yihao Li , Shuguang Cui , Xiaoguang Han

Stationary subspace analysis (SSA) is a blind source separation framework that decomposes linearly mixed multivariate data into stationary and nonstationary components. We extend SSA to spatially indexed data by introducing spatial…

Methodology · Statistics 2026-05-20 Perttu Saarela , Klaus Nordhausen , Jaakko Pere , Anne M. Ruiz

This paper studies the semi-analytic solution (SAS) of a power system's differential-algebraic equation. A SAS is a closed-form function of symbolic variables including time, the initial state and the parameters on system operating…

Dynamical Systems · Mathematics 2017-02-09 Nan Duan , Kai Sun

Mathematical symbols and descriptions appear in various forms across document section boundaries without explicit markup. In this paper, we present a new large-scale dataset that emphasizes extracting symbols and descriptions in scientific…

Computation and Language · Computer Science 2022-04-27 Viet Dac Lai , Amir Pouran Ben Veyseh , Franck Dernoncourt , Thien Huu Nguyen

Developing mathematical models of dynamic systems is central to many disciplines of engineering and science. Models facilitate simulations, analysis of the system's behavior, decision making and design of automatic control algorithms. Even…

Machine Learning · Computer Science 2020-06-19 Erik Derner , Jiří Kubalík , Nicola Ancona , Robert Babuška

Symbolic execution is a powerful program analysis technique that allows for the systematic exploration of all program paths. Path explosion, where the number of states to track becomes unwieldy, is one of the biggest challenges hindering…

Cryptography and Security · Computer Science 2025-08-12 Joshua Bailey , Charles Nicholas

We present a Machine Learning approach based on Symbolic Regression to derive, from either numerically generated or experimentally measured spectral data, closed-form expressions that model the optical properties of biological materials. To…

Computational Physics · Physics 2025-08-26 Julian Sierra-Velez , Alexandre Vial , Marina Inchaussandague , Diana Skigin , Demetrio Macías

The use of intelligent systems for stock market predictions has been widely established. In this paper, we investigate how the seemingly chaotic behavior of stock markets could be well represented using several connectionist paradigms and…

Artificial Intelligence · Computer Science 2007-05-23 Ajith Abraham , Ninan Sajith Philip , P. Saratchandran

Dynamical systems with complex behaviours, e.g. immune system cells interacting with a pathogen, are commonly modelled by splitting the behaviour into different regimes, or modes, each with simpler dynamics, and then learning the switching…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Yongtuo Liu , Sara Magliacane , Miltiadis Kofinas , Efstratios Gavves

Many recent works aim at developing methods and tools for the processing of semantic Web services. In order to be properly tested, these tools must be applied to an appropriate benchmark, taking the form of a collection of semantic WS…

Software Engineering · Computer Science 2015-02-04 Cihan Aksoy , Vincent Labatut , Chantal Cherifi , Jean-François Santucci