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The CMS data aggregation system

Valentin Kuznetsov, Dave Evans, Simon Metson
2010 Procedia Computer Science  
Here we discuss a new data aggregation system which consumes, indexes and delivers information from different relational and non-relational data sources to answer cross data-service queries and explore  ...  We combine the simplicity of keyword-based search with the precision of RDMS under the new system.  ...  Data Aggregation System The goal of the Data Aggregation System (DAS) is to fetch and aggregate meta-data on demand from existing CMS data-services under one umbrella by using their APIs, security policies  ... 
doi:10.1016/j.procs.2010.04.172 fatcat:u5m2debfsnexplralnti64c674

Exploiting analytics techniques in CMS computing monitoring

D Bonacorsi, V Kuznetsov, N Magini, A Repečka, E Vaandering
2017 Journal of Physics, Conference Series  
The CMS experiment has collected an enormous volume of metadata about its computing operations in its monitoring systems, describing its experience in operating all of the CMS workflows on all of the Worldwide  ...  modelling of the CMS operations, in order to allow detailed optimizations and eventually a prediction of system behaviours.  ...  The CMS data management system PhEDEx [4] distributes the data to tens of sites and tracks in its Oracle database the location • Dataset to which the block belongs.  ... 
doi:10.1088/1742-6596/898/9/092030 fatcat:y4xgslogzbgc5ifjaqceewa7lm

The CMS Data Management System

M Giffels, Y Guo, V Kuznetsov, N Magini, T Wildish
2014 Journal of Physics, Conference Series  
The main components are PhEDEx, the data transfer and location system; the Dataset Booking System (DBS), a metadata catalogue; and the Data Aggregation Service (DAS), designed to aggregate views and provide  ...  The main components are PhEDEx, the data transfer and location system; the Data Booking Service (DBS), a metadata catalog; and the Data Aggregation Service (DAS), designed to aggregate views and provide  ...  The operational aspects of the CMS computing system are described separately [3] . In this paper we describe the performance of the CMS data management system during the first run of LHC.  ... 
doi:10.1088/1742-6596/513/4/042052 fatcat:6ja6j6b5ovhnzflpi2qogkvqy4

The Archive Solution for Distributed Workflow Management Agents of the CMS Experiment at LHC

Valentin Kuznetsov, Nils Leif Fischer, Yuyi Guo
2018 Computing and Software for Big Science  
We describe the data transformation, the short and long term storage layers, the query language, along with the aggregation pipeline developed to visualize various performance metrics to assist CMS data  ...  operators in assessing the performance of the CMS computing system.  ...  Special thanks goes to Eric Vaandering (FNAL) for initiating the idea of WMArchive system in CMS and his constant support along development cycle.  ... 
doi:10.1007/s41781-018-0005-0 fatcat:t4o6tejmtzgypnvcwfhzcwkvkq

Correction to: The Archive Solution for Distributed Workflow Management Agents of the CMS Experiment at LHC

Valentin Kuznetsov, Nils Leif Fischer, Yuyi Guo
2019 Computing and Software for Big Science  
data operators in assessing the performance of the CMS computing system.  ...  We describe the data transformation, the short-and long-term storage layers, and the query language, along with the aggregation pipeline developed to visualize various performance metrics, to assist CMS  ...  Special thanks goes to Eric Vaandering (FNAL) for initiating the idea of WMArchive system in CMS and his constant support along development cycle.  ... 
doi:10.1007/s41781-019-0025-4 fatcat:jvgulj36djf33pzq4ur6vdhqyi

Architecture-based refinements for secure computer systems design

Jie Zhou, Jim Alves-Foss
2006 Proceedings of the 2006 International Conference on Privacy, Security and Trust Bridge the Gap Between PST Technologies and Business Services - PST '06  
The successful design and implementation of secure systems must occur from the beginning.  ...  the data needed, and completing and reviewing the collection of information.  ...  A MILS system isolates processes into partitions, which define a collection of data objects, code and system resources.  ... 
doi:10.1145/1501434.1501453 dblp:conf/pst/ZhouA06 fatcat:rmwg2rx55nhdzbkn5wrbbek3xe

Plant Available Moisture in Stone-soil Media for Use Under Pavement While Allowing Urban Tree Root Growth

Jason Grabosky, Edward Haffner, Nina Bassuk
2009 Arboriculture & urban forestry  
Changes in aggregate and of soil influenced initial field capacity moisture content, but high matric potential moisture content was consistent, presumably as a reflection of the aggregate content of the  ...  designed system.  ...  Free drainage time prior to the first data collection in the Florida study was 10.5 hours, versus 3 hours of the 1996 data; and the sample depth was 28.6 cm, versus 15.2 cm (11.3 in and 6 in, respectively  ... 
doi:10.48044/jauf.2009.041 fatcat:ubmtdw2hyvgmpg644p3ht7iqbi

Energy-Efficient Methods for Highly Correlated Spatio-Temporal Environments in Wireless Sensor Network Communications

Mohammad Abdul Azim, Zeyar Aung, Sofiane Moad, Nizar Bouabdallah, Mario E. Rivero-Angeles, Israel Leyva-Mayorga
2014 Wireless Sensor Network  
However, in some applications, the transmission of both CM and EDR data is encouraged or even required.  ...  For either CM or EDR applications, system performance can be greatly improved when both the number of packets to be transmitted as well as the packet size is reduced.  ...  Sensor Data Analytics".  ... 
doi:10.4236/wsn.2014.65009 fatcat:r4dz6bl2nzgi7eudv4iytrheu4

VeSCA: Vehicular stable cluster-based data aggregation

Seyhan Ucar, Sinem Coleri Ergen, Oznur Ozkasap
2014 2014 International Conference on Connected Vehicles and Expo (ICCVE)  
members apply data aggregation before forwarding data packet to the parent node.  ...  In structure-free data aggregation, vehicles apply pre-defined delay value before forwarding a data packet to the next hop.  ...  SYSTEM MODEL In the VeSCA system model, vehicles are clustered based on MO-VMaSC which is minimum overhead (MO) version of our earlier work VMaSC [26] .  ... 
doi:10.1109/iccve.2014.7297517 dblp:conf/iccve/UcarEO14 fatcat:q7bvoqzfjnactaji4cfm6xfktm

Light-weight Secure Aggregated Data Sharing in IoT-enabled Wireless Sensor Networks

Ghawar Said, Anwar Ghani, Ata Ullah, Muhammad Azeem, Muhammad Bilal, Kyung Sup Kwak
2022 IEEE Access  
Furthermore, the AN Receiving Message Algorithm (ARMA) is presented at the AN to aggregate data generated by sensor nodes.  ...  During medical data aggregation and transmission, security is mandatory to guard against intruders.  ...  To provide effective data aggregation and maintain data confidentiality, the SPPDA approach based on bilinear pairing is described for the remote health sensing systems.  ... 
doi:10.1109/access.2022.3160231 fatcat:55kytbapzvbkfazgt7l36ctage

Transcriptomic analysis of 3D Cardiac Differentiation of Human Induced Pluripotent Stem Cells Reveals Faster Cardiomyocyte Maturation Compared to 2D Culture

Mariana A. Branco, João P. Cotovio, Carlos A. V. Rodrigues, Sandra H. Vaz, Tiago G. Fernandes, Leonilde M. Moreira, Joaquim M. S. Cabral, Maria Margarida Diogo
2019 Scientific Reports  
The impact of performing the differentiation process in 3D conditions as compared to a 2D culture system, was characterized by transcriptomic analysis by using data collected from sequential stages of  ...  Importantly, it was also found that CMs in the 3D microenvironment mature earlier and show an improved communication system, which we suggested to be responsible for a higher structural and functional  ...  In fact, most of these genes are described to be present in atrial CMs or in the nodal/conduction system myocytes.  ... 
doi:10.1038/s41598-019-45047-9 pmid:31239450 pmcid:PMC6592905 fatcat:z7h7yjk77vhnziktq3qco2djca

Cloud Monitoring System: Basics, Phases and Challenges

2019 International journal of recent technology and engineering  
To manage complex infrastructure of cloud, an efficient and effective Cloud Monitoring System (CMS) is needed to improve the overall performance of cloud.  ...  As the number of cloud users increases day by day, data centers are continuing to grow in terms of hardware resources, virtual resources and traffic volume; thus making cloud operation and management more  ...  Monitoring Phases of CMS The monitoring activity of CMS is divided into five phases: i) Data collection ii) Data filtering iii) Data aggregation iv) Data analysis and v) Alert and reporting.  ... 
doi:10.35940/ijrte.c6857.098319 fatcat:4bs5vry46vfopges2tuvkdgn74

Online data handling and storage at the CMS experiment

J-M Andre, A Andronidis, U Behrens, J Branson, O Chaze, S Cittolin, G-L Darlea, C Deldicque, Z Demiragli, M Dobson, A Dupont, S Erhan (+26 others)
2015 Journal of Physics, Conference Series  
During the LHC Long Shutdown 1, the CMS Data Acquisition (DAQ) system underwent a partial redesign to replace obsolete network equipment, use more homogeneous switching technologies, and support new detector  ...  During the LHC Long Shutdown 1, the CMS Data Acquisition (DAQ) system underwent a partial redesign to replace obsolete network equipment, use more homogeneous switching technologies, and support new detector  ...  Acknowledgments This work was supported in part by the DOE and NSF (USA).  ... 
doi:10.1088/1742-6596/664/8/082009 fatcat:hs5siipijjc73fihi6zsobbmda

WaterCOM: An Architecture Model of Context-Oriented Middleware

Keling Da, Marc Dalmau, Philippe Roose
2012 2012 26th International Conference on Advanced Information Networking and Applications Workshops  
In Ubiquitous environment, context collection, aggregation and notification raise complex scientific problems and new challenges.  ...  Finally, we discuss the benefit of our conceptual approach by describing and comparing current context middlewares.  ...  If DM system decides to execute an adaptation operation, the CM could be part of the adaptation. It means that CM will be distributed into execution environment.  ... 
doi:10.1109/waina.2012.82 dblp:conf/aina/DaDR12 fatcat:ddz45cs7z5copbggm5c6bzl674

Impacts of Muddy Bed Aggregates on Sediment Transport and Management in the Tidal James River, VA

David W. Perkey, S. Jarrell Smith, Kelsey A. Fall, Grace M. Massey, Carl T. Friedrichs, Emmalynn M. Hicks
2020 Journal of waterway, port, coastal, and ocean engineering  
In this study, a newly developed camera system was used to evaluate the aggregation state of eroded sediment from cores collected in the tidal James River, VA.  ...  This difference in transport mode has significant implication for channel infilling and sediment transport within the system.  ...  Pruhs, the VIMS-CHSD Laboratory, and the US Army Fort Eustis Harbor. The involvement of C. T. Friedrichs was supported by NSF Grant OCE-1459708.  ... 
doi:10.1061/(asce)ww.1943-5460.0000578 fatcat:k3hcobjtv5b6ji4b3a5zvgyayu
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