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Related papers: Second Order Operators in the NASA Astrophysics Da…

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Let S be a finite, ordered alphabet, and let x = x_1 x_2 ... x_n be a string over S. A "secondary index" for x answers alphabet range queries of the form: Given a range [a_l,a_r] over S, return the set I_{[a_l;a_r]} = {i |x_i \in [a_l;…

Databases · Computer Science 2008-11-19 Rasmus Pagh , S. Srinivasa Rao

This work presents an illustrative application of the second-order adjoint sensitivity analysis procedure (SO-ASAP) to a paradigm neutron diffusion problem, which is sufficiently simple to admit an exact solution, thereby making transparent…

Mathematical Physics · Physics 2015-05-20 Dan G. Cacuci

The Stratospheric Observatory for Infrared Astronomy (SOFIA) is an airborne astronomical observatory comprised of a 2.5-meter telescope mounted in the aft section of a Boeing 747SP aircraft. During routine operations, several instruments…

Instrumentation and Methods for Astrophysics · Physics 2014-12-18 R. Y. Shuping , R. Krzaczek , W. D. Vacca , M. Charcos-Llorens , W. T. Reach , R. Alles , M. Clarke , R. Melchiorri , J. Radomski , S. Shenoy , D. Sandel , E. B. Omelian

Self-Organizing Map (SOM) is a promising tool for exploring large multi-dimensional data sets. It is quick and convenient to train in an unsupervised fashion and, as an outcome, it produces natural clusters of data patterns. An example of…

Astrophysics · Physics 2009-11-13 Lukasz Wyrzykowski , Vasily Belokurov

The sample of Solar system objects has dramatically increased over the last decade. The amount of measured properties (e.g., diameter, taxonomy, rotation period, thermal inertia) has grown even faster. However, this wealth of information is…

Earth and Planetary Astrophysics · Physics 2023-03-22 J. Berthier , B. Carry , M. Mahlke , J. Normand

Standardizing and incentivizing the use of digital object identifiers (DOIs) to aggregate and identify both data analyzed and data generated by a research project will advance the field of astronomy to match best practices in other research…

Digital Libraries · Computer Science 2018-05-23 Jenny Novacescu , Joshua E. G. Peek , Sarah Weissman , Scott W. Fleming , Karen Levay , Elizabeth Fraser

NASA's Solar Dynamics Observatory (SDO) mission gathers 1.4 terabytes of data each day from its geosynchronous orbit in space. SDO data includes images of the Sun captured at different wavelengths, with the primary scientific goal of…

Image and Video Processing · Electrical Eng. & Systems 2023-05-05 Ali Zafari , Atefeh Khoshkhahtinat , Piyush M. Mehta , Nasser M. Nasrabadi , Barbara J. Thompson , Daniel da Silva , Michael S. F. Kirk

A novel multi-scale operator for unorganized 3D point clouds is introduced. The Difference of Normals (DoN) provides a computationally efficient, multi-scale approach to processing large unorganized 3D point clouds. The application of DoN…

Computer Vision and Pattern Recognition · Computer Science 2016-12-01 Yani Ioannou , Babak Taati , Robin Harrap , Michael Greenspan

In this paper we present a curated dataset from the NASA Solar Dynamics Observatory (SDO) mission in a format suitable for machine learning research. Beginning from level 1 scientific products we have processed various instrumental…

Astronomers are good at sharing data, but poorer at sharing knowledge. Almost all astronomical data ends up in open archives, and access to these is being simplified by the development of the global Virtual Observatory (VO). This is a great…

Instrumentation and Methods for Astrophysics · Physics 2011-11-29 Norman Gray , Robert G Mann , Dave Morris , Mark Holliman , Keith Noddle

Aims. A new method is applied to the segmentation, and further analysis of the outliers resulting from the classification of astronomical objects in large databases is discussed. The method is being used in the framework of the Gaia…

Instrumentation and Methods for Astrophysics · Physics 2013-09-11 D. Fustes , M. Manteiga , C. Dafonte , B. Arcay , A. Ulla , K. Smith , R. Borrachero , R. Sordo

Computation-Enabled Object Storage (COS) systems, such as MinIO and Ceph, have recently emerged as promising storage solutions for post hoc, SQL-based analysis on large-scale datasets in High-Performance Computing (HPC) environments. By…

This work presents the second-order forward and adjoint sensitivity analysis procedures (SO-FSAP and SO-ASAP) for computing exactly and efficiently the second-order functional derivatives of physical (engineering, biological, etc.) system…

Mathematical Physics · Physics 2015-05-20 Dan G. Cacuci

Adaptive Optics (AO) is a new and rapidly expanding field of instrumentation, yet astronomers, vision scientists, and general AO practitioners are largely unfamiliar with the root technologies crucial to AO systems. The AO Summer School…

The increasing deployment of multi-agent systems (MAS) in critical infrastructures such as autonomous transportation, disaster relief, and smart cities demands robust formation control mechanisms resilient to adversarial attacks.…

Systems and Control · Electrical Eng. & Systems 2025-06-24 Laksh Patel , Akhilesh Raj

SOA is a prominent paradigm for accomplishing reuse of services. Service reusability is one dominant factor which has a greater influence on achieving quality in SOA systems. There exists sufficient research in this area and researchers…

Software Engineering · Computer Science 2012-07-06 Shanmugasundaram G. , V. Prasanna Venkatesan , C. Punitha Devi

The Sensor, Observation, Sample, and Actuator (SOSA) ontology provides a formal but lightweight general-purpose specification for modeling the interaction between the entities involved in the acts of observation, actuation, and sampling.…

Artificial Intelligence · Computer Science 2018-12-27 Krzysztof Janowicz , Armin Haller , Simon J D Cox , Danh Le Phuoc , Maxime Lefrancois

We suggest a new web-based approach for browsing and visualizing data produced by a network of telescopes, such as those of the ongoing TAOS and the forthcoming TAOS II projects. We propose a modern client-side technology and we present two…

Instrumentation and Methods for Astrophysics · Physics 2014-08-28 D. Ricci , P. -G. Sprimont , C. Ayala , F. G. Ramón-Fox , R. Michel , S. Navarro , S. -Y. Wang , Z. -W. Zhang , M. J. Lehner , L. Nicastro , M. Reyes-Ruiz

Hardware-aware Neural Architecture Search (HW-NAS) is increasingly being used to design efficient deep learning architectures. An efficient and flexible search space is crucial to the success of HW-NAS. Current approaches focus on designing…

Machine Learning · Computer Science 2023-09-21 Hadjer Benmeziane , Kaoutar El Maghraoui , Hamza Ouarnoughi , Smail Niar

Cloud systems are complex, large, and dynamic systems whose behavior must be continuously analyzed to timely detect misbehaviors and failures. Although there are solutions to flexibly monitor cloud systems, cost-effectively controlling the…

Software Engineering · Computer Science 2019-09-19 Marco Mobilio , Matteo Orrù , Oliviero Riganelli , Alessandro Tundo , Leonardo Mariani