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- research-articleOctober 2023
FileScale: Fast and Elastic Metadata Management for Distributed File Systems
SoCC '23: Proceedings of the 2023 ACM Symposium on Cloud ComputingPages 459–474https://doi.org/10.1145/3620678.3624784File systems that store metadata on a single machine or via a shared-disk abstraction face scalability challenges, especially in contexts demanding the management of billions of files. Recent work has shown that employing shared-nothing, distributed ...
- research-articleOctober 2021
LADDER: Architecting Content and Location-aware Writes for Crossbar Resistive Memories
MICRO '21: MICRO-54: 54th Annual IEEE/ACM International Symposium on MicroarchitecturePages 117–130https://doi.org/10.1145/3466752.3480054Resistive memories (ReRAM) organized in the form of crossbars are promising for main memory integration. While offering high cell density, crossbar-based ReRAMs suffer from variable write latency requirement for RESET operations due to the varying ...
- research-articleApril 2021
PacketMill: toward per-Core 100-Gbps networking
ASPLOS '21: Proceedings of the 26th ACM International Conference on Architectural Support for Programming Languages and Operating SystemsPages 1–17https://doi.org/10.1145/3445814.3446724We present PacketMill, a system for optimizing software packet processing, which (i) introduces a new model to efficiently manage packet metadata and (ii) employs code-optimization techniques to better utilize commodity hardware. PacketMill grinds the ...
- extended-abstractJuly 2018
Applying iRODS to the Brain Image Library
- Sean Deitrich,
- Jacob Czech,
- Alexander Ropelewski,
- Arthur W. Wetzel,
- Greg Hood,
- Derek Simmel,
- Marcel Bruchez,
- Simon C. Watkins,
- Alan M. Watson
PEARC '18: Proceedings of the Practice and Experience on Advanced Research Computing: Seamless CreativityArticle No.: 79, Pages 1–4https://doi.org/10.1145/3219104.3229266Recent advancements in optical microscopy and specimen preparation have greatly improved the specificity and sensitivity of observation. Imaging instruments have become readily available and produce data at GB/s rates. These capabilities now allow ...
- research-articleMay 2017
Addressing Hadoop's Small File Problem With an Appendable Archive File Format
CF'17: Proceedings of the Computing Frontiers ConferencePages 367–372https://doi.org/10.1145/3075564.3078888Hadoop has been used widely for data analytic tasks in various domains. At the same time, data volume is expected to grow even further in the next years. Hadoop recently introduced the concept Archival Storage, an automated tiered storage technique for ...
- ArticleNovember 2015
A Semantic Framework to Enrich Collaborative Tables with Domain Knowledge
IC3K 2015: Proceedings of the International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge ManagementPages 371–381https://doi.org/10.5220/0005586103710381In this paper we present a project aimed at enhancing a collaborative environment for resource management
(SemT++) with domain knowledge, represented by a local ontology and a connection to external data,
retrieved from Linked Open Data sets. Our ...
- ArticleSeptember 2014
Customization of Domain-Specific Reference Models for Data Warehouses
EDOC '14: Proceedings of the 2014 IEEE 18th International Enterprise Distributed Object Computing ConferencePages 61–70https://doi.org/10.1109/EDOC.2014.18The availability of reference models for data warehouses lowers the obstacles that inhibit small and medium-sized enterprises (SMEs) from using business intelligence technology. Service providers may offer to companies a set of pre-configured reference ...
- articleJuly 2014
An information model for managing resources and their metadata
Semantic Web (SEMANW), Volume 5, Issue 3Pages 237–255Today information is managed within increasingly complicated Web applications which often rely on similar information models. Finding a reusable and sufficiently generic information model for managing resources and their metadata would greatly simplify ...
- ArticleFebruary 2014
Device-Driven Metadata Management Solutions for Scientific Big Data Use Cases
- Richard Grunzke,
- Jürgen Hesser,
- Jürgen Starek,
- Nick Kepper,
- Sandra Gesing,
- Marcus Hardt,
- Volker Hartmann,
- Stephan Kindermann,
- Jan Potthoff,
- Michael Hausmann,
- Ralph Müller-Pfefferkorn,
- René Jäkel
PDP '14: Proceedings of the 2014 22nd Euromicro International Conference on Parallel, Distributed, and Network-Based ProcessingPages 317–321https://doi.org/10.1109/PDP.2014.119Big Data applications in science are producing huge amounts of data, which require advanced processing, handling, and analysis capabilities. For the organization of large scale data sets it is essential to annotate these with metadata, index them, and ...
- ArticleJuly 2010
Toward a Reliable Distributed Data Management System
ISPDC '10: Proceedings of the 2010 Ninth International Symposium on Parallel and Distributed ComputingPages 109–116https://doi.org/10.1109/ISPDC.2010.15Modern collaborative science has placed increasing burden on data management infrastructure to handle the increasingly large data archives generated. Beside functionality, reliability and availability are also key factors in delivering a data management ...
- ArticleMay 2008
Efficient Metadata Management for Flash File Systems
ISORC '08: Proceedings of the 2008 11th IEEE Symposium on Object Oriented Real-Time Distributed ComputingPages 535–540https://doi.org/10.1109/ISORC.2008.34NAND flash memory becomes one of the most popular storage for portable embedded systems. Although many flash-aware file systems, such as JFFS2 and YAFFS2, were proposed, the large memory consumption and the longmount delay have been serious obstacles ...