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Glossary

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8-Sep-2008: This is an archived version of the ATLAS Computing WorkBook Glossary.
People should now use AtlasGlossary.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

ADA
ATLAS Distributed Analysis system
AFS
Andrew File System
AMI
ATLAS Metadata Interface
ARDA
Architectural Roadmap towards Distributed Analysis or A Realization of Distributed Analysis of LHC (Grid)
AOD
Analysis Object Data
API
Application Program Interface
ARC
Advanced Resource Connector - NorduGrid (Grid)
ATLAS
A Toroidal LHC ApparatuS
Athena
ATLAS offline software framework
BDII
Berkely Database Information Index (LCG GIIS replacement)
C++
Primary programming language used in ATLAS
CA
Certification Authority (Grid)
CASTOR
CERN Advanced STORage Manager
CBNT
Combined N-tuples (Software)
CE
Computing Element (Grid)
CERN
European Laboratory for Particle Physics
CINT
A C/C++ interpreter that is embedded in ROOT
CLHEP
Class Library for HEP (Software)
CMT
Configuration Management Tool
CondDB
Conditions Database
CondorG
Grid Batch System
COOL
LCG Condidions Database Project
CSC
Computer System Commissioning
CSC
Cathode Strip Chamber
CTB
Combined Test Beam
CTP
Central Trigger Processor for First-Level Trigger
CVS
Concurrent Versioning System
DAQ
Data Acquisition System
DBMS
Database Management System
DC
Data Challenge (Operations)
dCache
Disk Cache Sytem (A system used to transparently manage the storage and exchange of data which is distributed across various storage devices.)
DCS
Detector Control System (Software/Data Management)
DIAL
Distributed Interactive Analysis of Large datasets
DM
Data Management
DN
Distinguished Name (Grid certificate)
DPD
Derived Physics Data (Software)
DQ
Don Quixote, distributed data manager (Data Management/Grid)
DRD
Derived Reconstruction Data (Computing Model)
DTMROC
Digital Time Measurement Read-Out Controller
EB
Event Builder
ECAL
Electromagnetic Calorimeter
EDM
Event Data Model
EDG
European Data Grid project
EF
Event Filter
EGEE
Enabling Grid for E-sciencE
EMEC
Electromagnetic Endcap Calorimeter
EMS
Event Monitoring Sampler (Software/DAQ)
ESD
Event Summary Data
FC
File Catalogue
FCAL
Forward Calorimeter
FORTRAN
Programming Language
FTP
File Transfer Protocol
GACL
Grid Access Control List
GANGA
Gaudi/Athena Grid user interface
Gaudi
Data Processing Applications Framework
GEANT
Pan-European Gigabit Research and Education Network
Geant 4
A toolkit for simulation of the passage of particles through matter
GID
Global Event Identifier
gLite
Lightweight middleware for Grid Computing
Globus
Grid Middleware
GLUE
Grid Laboratory Uniform Environment (Schema)
Grid3
US Grid System
GridFTP
Protocol Extensions to FTP for the Grid
GSI
Grid Security Infrastructure
GUI
Graphical User Interface
GUID
Globally Unique Identfier (Grid)
HBOOK
Legacy histogramming package
HCAL
Hadronic Calorimeter
HEC
Hadronic Endcap Calorimeter
HepMC
MC Generator 4-Vector Classes
HEP
High-energy physics
HLT
High-Level Trigger
HSM
Hierarchical Storage Manager
HTML
Hypertext Mark-up Language
HVS
Hierarchical Versioning System (Software)
ID
Inner Detector
IDC
Identifiable Container
IOV
Interval Of Validity
IP
Interaction Point
IPC
Inter-Process Communication
Java
Programming Language
Kerberos
A network authentication protocol
LAr
Liquid Argon Calorimeters (e.m. barrel, e.m. endcap, hadronic endcap, FCAL)
LAN
Local Area Network
LCG
LHC Computing Grid
LDAP
Lightweight Directory Access Protocol
LFN
Logical File Name
LHC
Large Hadron Collider
LSF
Load Sharing Facility (Batch system)
LVL1
The ATLAS First-Level Trigger
LVL2
The ATLAS Second-Level Trigger
L1Calo
Level-1 Calorimeter Trigger
L1Muon
Level-1 Muon Trigger
M&O
Maintenance and Operation
MC
Monte Carlo simulation
MDS
Monitoring and Directory Service (Grid)
MDT
Monitored Drift Tube
MONARC
Models Of Networked Analysis at Regional Centres
MoU
Memorandum of Understanding
MSSM
Minimal SuperSymetric Model
MTTF
Mean Time To Failure
NOVA
Networked Object-based Environment for Analysis (Data management)
OLE
Object Linking and Embedding
OO
Object Oriented (Software)
OS
Operating System
OSG
Open Science Grid
Pacman
Package Manager
PASTA
LCG technology tracking team
PAW
Physics Analysis Workstation (Legacy data analysis package)
PBS
Portable Batch System
PESA
Physics and Event Selection Architecture
POOL
Pool Of persistent Objects for LHC (Data management)
PROOF
Parallel ROOT Facility
PVSS
Prozessvisualisierungs- und Steuerungs-System (Process Visualization and Control System)
PYTHIA
A program for the generation of high-energy physics events.
Python
An interpreted, interactive, object-oriented, open-source programming languange
RAL
Relational Access Layer (Data management) (or Rutherford Appleton Laboratory)
RAW
Raw Data
RB
Resource Broker (Grid)
RC
Replica Catalog (Grid)
RDBMS
Relation Database Management System
RDO
Raw Data Object
RecExCommon
A CMT run-time environment for reconstruction
RFIO
Remote File I/O
RHEL
Redhat Enterprise Linux
RLS
Replica Location Service (Grid)
RIO
Reconstruction Input Object
ROB
Read-Out Buffer
ROD
Read-Out Driver
ROS
Read-Out System (or Read-Out Subsystem)
RoI
Region of Interest
ROOT
A class library for data analysis.
RPC
Resistive Plate Chamber (barrel muon trigger)
RSL
Resource Specification Language (Grid)
RT
Real Time
RTAG
Requirements Technical Assessment Group (LCG)
SCT
Semiconductor Tracker (Inner Detector)
SDP
Software Development Process
SDO
Simulation Data Objects
SE
Storage Element (Grid)
SEAL
The Shared Environment for Applications at LHC
SFI
Sub Farm Input (DAQ)
SFO
Sub Farm Output (DAQ)
SG
Storegate (SW)
SGE
Sun Grid Engine (Batch Job System)
SL3 4 5 ...
Scientific Linux 3 4 5...
SLC3 4 5 ...
Scientific Linux CERN 3 4 5...
SI2K
SpecInt2000 (CPU Benchmark)
SIM
Simulated Data (RAW Format)
SIT
Software Infrastructure Team (of ATLAS)
SRM
Storage Resource Manager (Grid)
STL
Standard Template Library (C++)
StoreGate
The transient data store for ATHENA
TAG
Event-level metadata
TCP/IP
Transmission Control Protocol/Internet Protocol
TDAQ
ATLAS Trigger and DAQ (including DCS)
TDR
Technical Design Report
TDS
Transient Data Store
TES
Transient Event Store
TGC
Thin Gap Chamber (endcap muon trigger)
TileCal
Hadronic Calorimeter (barrel+extended barrel)
TOF
Time Of Flight
TRT
Transition Radiation Tracker
TTC
Timing, Trigger and Control system
TURL
Transfer URL (Grid)
UI
User Interface
URL
Universal Resource Locator (Grid)
USA15
Electronics cavern
UX15
Experimental cavern
VO
Virtual Organization (Grid)
VOMS
Virtual Organization Membership Service (Grid)
WAN
Wide Area Network
WMS
Workload Management System (Grid)
WN
Worker Node (Grid)
XML
Extensible Markup Language
ZEBRA
Legacy data management system


Originally taken from http://wlav.home.cern.ch/wlav/athena/athask/glossary.html and http://atlas-proj-computing-tdr.web.cern.ch/atlas-proj-computing-tdr/Html/Computing-TDR-72.htm#pgfId-1011143
-- WimLavrijsen - 27 May 2005 -- SteveLloyd - 08 Jun 2005

%RESPONSIBLE% SteveLloyd
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Topic revision: r1 - 2008-09-08 - StephenHaywood
 
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