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At the Canadian Astronomy Data Centre, we have combined our cloud computing system, CANFAR, with the world's most advanced machine learning software, Skytree, to create the world's first cloud computing system for data mining in astronomy.…

Instrumentation and Methods for Astrophysics · Physics 2013-12-17 Nicholas M. Ball

In this paper, we present the FATS (Feature Analysis for Time Series) library. FATS is a Python library which facilitates and standardizes feature extraction for time series data. In particular, we focus on one application: feature…

Instrumentation and Methods for Astrophysics · Physics 2015-09-02 Isadora Nun , Pavlos Protopapas , Brandon Sim , Ming Zhu , Rahul Dave , Nicolas Castro , Karim Pichara

In this paper we generalize and extend an idea of low-rank adaptation (LoRA) of large language models (LLMs) based on Transformer architecture. Widely used LoRA-like methods of fine-tuning LLMs are based on matrix factorization of gradient…

Computation and Language · Computer Science 2024-02-06 Daniel Bershatsky , Daria Cherniuk , Talgat Daulbaev , Aleksandr Mikhalev , Ivan Oseledets

The Gamma-ray Large Area Space Telescope (GLAST) is a next generation high energy gamma-ray observatory due for launch in Fall 2007. The primary instrument is the Large Area Telescope (LAT), which will measure gamma-ray flux and spectra…

Astrophysics · Physics 2009-09-29 R. Dubois

Much sequential data exhibits highly non-uniform information distribution. This cannot be correctly modeled by traditional Long Short-Term Memory (LSTM). To address that, recent works have extended LSTM by adding more activations between…

Neural and Evolutionary Computing · Computer Science 2019-03-07 Yifeng Zhang , Ka-Ho Chow , S. -H. Gary Chan

Large language models (LLMs) demonstrate strong task-specific capabilities through fine-tuning, but merging multiple fine-tuned models often leads to degraded performance due to overlapping instruction-following components. Task Arithmetic…

Computation and Language · Computer Science 2025-02-28 Yan-Lun Chen , Yi-Ru Wei , Chia-Yi Hsu , Chia-Mu Yu , Chun-Ying Huang , Ying-Dar Lin , Yu-Sung Wu , Wei-Bin Lee

Attention mechanisms underpin the success of large language models (LLMs), yet their substantial computational and memory overhead poses challenges for optimizing efficiency and performance. A critical bottleneck arises as KV cache and…

Computation and Language · Computer Science 2025-07-24 Luoyang Sun , Cheng Deng , Jiwen Jiang , Xinjian Wu , Haifeng Zhang , Lei Chen , Lionel Ni , Jun Wang

To address the challenges associated with data processing at scale, we propose Dataverse, a unified open-source Extract-Transform-Load (ETL) pipeline for large language models (LLMs) with a user-friendly design at its core. Easy addition of…

Computation and Language · Computer Science 2025-03-05 Hyunbyung Park , Sukyung Lee , Gyoungjin Gim , Yungi Kim , Dahyun Kim , Chanjun Park

The Sloan Digital Sky Survey Science Archive is the first in a series of multi-Terabyte digital archives in Astronomy and other data-intensive sciences. To facilitate data mining in the SDSS archive, we adapted a commercial database engine…

Databases · Computer Science 2007-05-23 Aniruddha R. Thakar , Alexander S. Szalay , Peter Z. Kunszt , Jim Gray

The Data Handling Pipeline ("Pipeline") has been developed for the Fermi Gamma-Ray Space Telescope (Fermi) Large Area Telescope (LAT) which launched in June 2008. Since then it has been in use to completely automate the production of data…

Instrumentation and Methods for Astrophysics · Physics 2012-12-18 Stephan Zimmer , Luisa Arrabito , Tom Glanzman , Tony Johnson , Claudia Lavalley , Andrei Tsaregorodtsev

LiDAR devices obtain a 3D representation of a space. Due to the large size of the resulting datasets, there already exist storage methods that use compression and present some properties that resemble those of compact data structures.…

Data Structures and Algorithms · Computer Science 2019-12-30 Susana Ladra , Miguel R. Luaces , José R. Paramá , Fernando Silva-Coira

This paper introduces temporally local metrics for Multi-Object Tracking. These metrics are obtained by restricting existing metrics based on track matching to a finite temporal horizon, and provide new insight into the ability of trackers…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Jack Valmadre , Alex Bewley , Jonathan Huang , Chen Sun , Cristian Sminchisescu , Cordelia Schmid

There has been tremendous progress in multimodal Large Language Models (LLMs). Recent works have extended these models to video input with promising instruction following capabilities. However, an important missing piece is temporal…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 De-An Huang , Shijia Liao , Subhashree Radhakrishnan , Hongxu Yin , Pavlo Molchanov , Zhiding Yu , Jan Kautz

The ever-increasing demand to extract temporal correlations across sequential data and perform context-based learning in this era of big data has led to the development of long short-term memory (LSTM) networks. Furthermore, there is an…

Emerging Technologies · Computer Science 2022-04-06 Honey Nikam , Siddharth Satyam , Shubham Sahay

LOFT, the Large Observatory For X-ray Timing, is one of five ESA M3 candidate missions. It will address the Cosmic Vision theme: "Matter under Extreme Conditions". By coupling for the first time a huge collecting area for the detection of…

Instrumentation and Methods for Astrophysics · Physics 2015-06-18 E. Bozzo , L. Stella , M. van der Klis , A. Watts , D. Barret , J. Wilms , P. Uttley , J. W. den Herder , M. Feroci

Hyperatlas is an open standard intended to facilitate the large-scale federation of image-based data. The subject of hyperatlas is the space of sphere-to-plane projection mappings (the FITS-WCS information), and the standard consists of…

Astrophysics · Physics 2007-05-23 R. D. Williams , S. G. Djorgovski , M. T. Feldmann , J. C. Jacob

The LOFAR-UK station at Chilbolton has recently been completed and significantly increases the angular resolution of the International LOFAR Telescope, as well as providing a unique training site and testbed for british experience with…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Rob Fender

The Laser Interferometer Space Antenna (LISA) will detect mHz gravitational waves from many astrophysical sources, including millions of compact binaries in the Galaxy, thousands of which may be individually resolvable. The large number of…

General Relativity and Quantum Cosmology · Physics 2025-10-29 Aaron D. Johnson , Javier Roulet , Katerina Chatziioannou , Michele Vallisneri , Chris G. Trejo , Kyle A. Gersbach

In view of increased interest in object-oriented systems for describing coordinate information, we present a description of the data model used by the Starlink AST library. AST provides a comprehensive range of facilities for attaching…

Instrumentation and Methods for Astrophysics · Physics 2016-03-04 David Berry , Rodney Warren-Smith , Tim Jenness

The Cherenkov Telescope Array (CTA) is an initiative that is currently building the largest gamma-ray ground Observatory that ever existed. A Science Alert Generation (SAG) system, part of the Array Control and Data Acquisition (ACADA)…