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The amount of data in our society has been exploding in the era of big data today. In this paper, we address several open challenges of big data stream classification, including high volume, high velocity, high dimensionality, high…

Machine Learning · Computer Science 2015-07-28 Dayong Wang , Pengcheng Wu , Peilin Zhao , Steven C. H. Hoi

Most periodicity search algorithms used in pulsar astronomy today are highly efficient and take advantage of multiple CPUs or GPUs. The bottlenecks are usually represented by the operations that require an informed choice from an expert…

Instrumentation and Methods for Astrophysics · Physics 2020-12-24 Matteo Bachetti , Maura Pilia , Stefano Curatti , Giada Corrias , Andrea Addis , Claudia Macciò , Daniele Muntoni , Viviana Piga , Nicolò Pitzalis , Alessio Trois

Parallel dataflow systems are a central part of most analytic pipelines for big data. The iterative nature of many analysis and machine learning algorithms, however, is still a challenge for current systems. While certain types of bulk…

Databases · Computer Science 2012-08-02 Stephan Ewen , Kostas Tzoumas , Moritz Kaufmann , Volker Markl

Data processing pipelines need to be executed at scales ranging from small runs up through large production data release runs resulting in millions of data products. As part of the Rubin Observatory's pipeline execution system, BPS is the…

Instrumentation and Methods for Astrophysics · Physics 2022-11-30 Michelle Gower , Mikolaj Kowalik , Nate B. Lust , James F. Bosch , Tim Jenness

Document parsing (DP) transforms unstructured or semi-structured documents into structured, machine-readable representations, enabling downstream applications such as knowledge base construction and retrieval-augmented generation (RAG).…

Data preprocessing pipelines, which includes data decoding, cleaning, and transforming, are a crucial component of Machine Learning (ML) training. Thy are computationally intensive and often become a major bottleneck, due to the increasing…

Hardware Architecture · Computer Science 2024-09-24 Yu Zhu , Wenqi Jiang , Gustavo Alonso

Scientists are drawn to synchrotrons and accelerator based light sources because of their brightness, coherence and flux. The rate of improvement in brightness and detector technology has outpaced Moore's law growth seen for computers,…

Modern network performance monitoring toolkits, such as perfSONAR, take a remarkable number of measurements about the local network environment. To gain a complete picture of network performance, however, one needs to aggregate data across…

Networking and Internet Architecture · Computer Science 2021-12-07 Derek Weitzel , Shawn McKee , Brian Paul Bockelman , John Thiltges , Marian Babik , Ilija Vukotic

We present an overview of the Southern-sky MWA Rapid Two-metre (SMART) pulsar survey that exploits the MWA's large field of view and voltage capture system to survey the sky south of 30 degree in declination for pulsars and fast transients…

We report on a time-domain search for pulsars in 44 steep spectrum radio sources originally identified from recent imaging surveys. The time-domain search was conducted at 327 MHz using the Ooty radio telescope, and utilized a semi-coherent…

High Energy Astrophysical Phenomena · Physics 2018-09-05 Yogesh Maan , Cees Bassa , Joeri van Leeuwen , M. A. Krishnakumar , Bhal Chandra Joshi

Discovering authoritative links between publications and the datasets that they use can be a labor-intensive process. We introduce a natural language processing pipeline that retrieves and reviews publications for informal references to…

Digital Libraries · Computer Science 2023-05-03 Sara Lafia , Lizhou Fan , Libby Hemphill

TalkBank is an online database that facilitates the sharing of linguistics research data. However, the existing TalkBank's API has limited data filtering and batch processing capabilities. To overcome these limitations, this paper…

Databases · Computer Science 2023-06-23 Man Ho Wong

Sharing musical files via the Internet was the essential motivation of early P2P systems. Despite of the great success of the P2P file sharing systems, these systems support only "simple" queries. The focus in such systems is how to carry…

Databases · Computer Science 2010-07-15 Raddad Al King , Abdelkader Hameurlain , Franck Morvan

Many interesting data sets available on the Internet are of a medium size---too big to fit into a personal computer's memory, but not so large that they won't fit comfortably on its hard disk. In the coming years, data sets of this…

Computation · Statistics 2018-05-24 Benjamin S. Baumer

Training deep research agents requires long-horizon trajectories that interleave search, evidence aggregation, and multi-step reasoning. However, existing data collection pipelines typically rely on proprietary web APIs, making large-scale…

Information Retrieval · Computer Science 2026-03-24 Zhuofeng Li , Dongfu Jiang , Xueguang Ma , Haoxiang Zhang , Ping Nie , Yuyu Zhang , Kai Zou , Jianwen Xie , Yu Zhang , Wenhu Chen

Data processing frameworks such as Apache Beam and Apache Spark are used for a wide range of applications, from logs analysis to data preparation for DNN training. It is thus unsurprising that there has been a large amount of work on…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-11-07 Ubaid Ullah Hafeez , Martin Maas , Mustafa Uysal , Richard McDougall

Due to recent advances in data collection techniques, massive amounts of data are being collected at an extremely fast pace. Also, these data are potentially unbounded. Boundless streams of data collected from sensors, equipments, and other…

Databases · Computer Science 2012-03-12 T Soni Madhulatha

We present the pulsar_spectra software repository, an open-source pulsar flux density catalogue and automated spectral fitting software that finds the best spectral model and produces publication-quality plots. The Python-based software…

High Energy Astrophysical Phenomena · Physics 2022-11-09 N. A. Swainston , C. P. Lee , S. J. McSweeney , N. D. R. Bhat

More and more massive parallel codes running on several hundreds of thousands of cores enter the computational science and engineering domain, allowing high-fidelity computations on up to trillions of unknowns for very detailed analyses of…

Performance · Computer Science 2018-07-18 Christoph Ertl , Jérôme Frisch , Ralf-Peter Mundani

As the paradigm of AI shifts from text-based LLMs to Speech Language Models (SLMs), there is a growing demand for full-duplex systems capable of real-time, natural human-computer interaction. However, the development of such models is…

Sound · Computer Science 2026-03-31 Kyudan Jung , Jihwan Kim , Soyoon Kim , Jeonghoon Kim , Jaegul Choo , Cheonbok Park