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The covariance matrix adaptation evolution strategy (CMA-ES) has been highly effective in black-box continuous optimization, as demonstrated by its success in both benchmark problems and various real-world applications. To address the need…

Neural and Evolutionary Computing · Computer Science 2026-02-10 Masahiro Nomura , Masashi Shibata , Ryoki Hamano

A simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted simultaneous wireless information and power transfer (SWIPT) system is investigated. Both active and passive STAR-RISs are considered.…

Information Theory · Computer Science 2024-12-24 Guangyu Zhu , Xidong Mu , Li Guo , Ao Huang , Shibiao Xu

Classical simulations of protein flexibility remain computationally expensive, especially for large proteins. A few years ago, we developed a fast method for predicting protein structure fluctuations that uses a single protein model as the…

In this paper, we describe Compact-Table (CT), a bitwise algorithm to enforce Generalized Arc Consistency (GAC) on table con- straints. Although this algorithm is the default propagator for table constraints in or-tools and OscaR, two…

Dynamically Adaptive Systems (DAS) are systems that modify their behavior and structure in response to changes in their surrounding environment. Critical mission systems increasingly incorporate adaptation and response to the environment;…

Software Engineering · Computer Science 2009-03-06 Freddy Munoz , Benoit Baudry

The VISTA Data Flow System comprises nightly pipeline and archiving of near infrared data from UKIRT-WFCAM and VISTA. This includes multi-epoch data which can be used to find moving and variable objects. We have developed a new model for…

Instrumentation and Methods for Astrophysics · Physics 2009-01-26 Nicholas Cross , Ross Collins , Nigel Hambly , Mike Read , Eckhard Sutorius

Spectral Toolkit of Algorithms for Graphs (STAG) is an open-source library for efficient graph algorithms. This technical report presents the newly implemented component on locality sensitive hashing, kernel density estimation, and fast…

Data Structures and Algorithms · Computer Science 2024-07-11 Peter Macgregor , He Sun

The increasing number and complexity of planetary exploration space missions require new tools to access, visualize and analyse data to improve their scientific return. ASI Science Data Center (ASDC) addresses this request with the web-tool…

Instrumentation and Methods for Astrophysics · Physics 2016-03-18 Angelo Zinzi , Maria Teresa Capria , Ernesto Palomba , Paolo Giommi , Lucio Angelo Antonelli

The analysis of high-dimensional sparse data is becoming increasingly popular in many important domains. However, real-world sparse tensors are challenging to process due to their irregular shapes and data distributions. We propose the…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-04-28 Ahmed E. Helal , Jan Laukemann , Fabio Checconi , Jesmin Jahan Tithi , Teresa Ranadive , Fabrizio Petrini , Jeewhan Choi

The table analysis application TOPCAT uses a custom Java plotting library for highly configurable high-performance interactive or exported visualisations in two and three dimensions. We present here a variety of ways for end users or…

Instrumentation and Methods for Astrophysics · Physics 2014-10-31 M. B. Taylor

Extracting structured knowledge from unstructured data still faces practical limitations: entity and event extraction pipelines remain brittle, knowledge graph construction requires costly ontology engineering, and cross-domain…

Databases · Computer Science 2026-04-13 Wenxiao Zhang , Yu Liu , Qiang sun , Yihao Ding , Sirui Li , Yanbing Liu , Jin B. Hong , Wei Liu

TOPCAT is a desktop application for interactive analysis of tabular data, especially source catalogues. Along with its command-line counterpart STILTS, it has been under more or less continuous development for the past 15 years and is now…

Instrumentation and Methods for Astrophysics · Physics 2017-11-07 Mark Taylor

We present the CAPD::DynSys library for rigorous numerical analysis of dynamical systems. The basic interface is described together with several interesting case studies illustrating how it can be used for computer-assisted proofs in…

Numerical Analysis · Mathematics 2021-07-28 Tomasz Kapela , Marian Mrozek , Daniel Wilczak , Piotr Zgliczyński

Table retrieval is the task of retrieving the most relevant tables from large-scale corpora given natural language queries. However, structural and semantic discrepancies between unstructured text and structured tables make embedding…

Information Retrieval · Computer Science 2026-01-23 Shui-Hsiang Hsu , Tsung-Hsiang Chou , Chen-Jui Yu , Yao-Chung Fan

The AI Steerability 360 toolkit is an extensible, open-source Python library for steering LLMs. Steering abstractions are designed around four model control surfaces: input (modification of the prompt), structural (modification of the…

We introduce ALT, an open-source Python package created for efficient and accurate time series classification (TSC). The package implements the adaptive law-based transformation (ALT) algorithm, which transforms raw time series data into a…

Machine Learning · Computer Science 2026-02-06 Balázs P. Halmos , Balázs Hajós , Vince Á. Molnár , Marcell T. Kurbucz , Antal Jakovác

This article presents a novel multi-agent spatial transformer (MAST) for learning communication policies in large-scale decentralized and collaborative multi-robot systems (DC-MRS). Challenges in collaboration in DC-MRS arise from: (i)…

Robotics · Computer Science 2025-09-23 Damian Owerko , Frederic Vatnsdal , Saurav Agarwal , Vijay Kumar , Alejandro Ribeiro

The performance of over-the-air computation (AirComp) systems degrades due to the hostile channel conditions of wireless devices (WDs), which can be significantly improved by the employment of reconfigurable intelligent surfaces (RISs).…

Signal Processing · Electrical Eng. & Systems 2023-01-06 Xiongfei Zhai , Guojun Han , Yunlong Cai , Yuanwei Liu , Lajos Hanzo

Weight tying is widely used in compact language models to reduce parameters by sharing the token table between the input embedding and the output projection. However, parameter sharing alone does not guarantee a stable token interface:…

Computation and Language · Computer Science 2026-05-11 Jian Gu , Aldeida Aleti , Chunyang Chen , Hongyu Zhang

Dataframes are a popular abstraction to represent, prepare, and analyze data. Despite the remarkable success of dataframe libraries in Rand Python, dataframes face performance issues even on moderately large datasets. Moreover, there is…