ACL - Access Control List API - Application Programming Interface AQL - Alternative Query Language ASF DAAC - Alaska SAR Facility DAAC ASTER - Advanced Spaceborne Thermal Emission and Reflection Radiometer (formerly ITIR) BMGT - Bulk Metadata Generation Tool CCB - Configuration Control Board COTS - Commercial Off The Shelf DAAC - Distributed Active Archive Center DB - DataBase DIAL - Data and Information Access Link DTD - Document Type Definition ECHO - EOS Clearinghouse ECS - EOSDIS Core System EDC - EROS Data Center EDG - EOS Data Gateway EJB - Enterprise JAVA Beans EMD - EOSDIS Maintenance and Development EOMG - ECHO Operations and Maintenance Group EOP - ECHO Operations Plan EOS - Earth Observing System EOSDIS - EOS Data and Information System EPAG - ECHO Project Advisory Group EROS - Earth Resources Observation Systems ESDIS - Earth Science Data and Information System ESE - Earth Science Enterprise ESIP - Earth Science Information Partner ETC - ECHO Technical Committee FTP - File Transfer Protocol GCMD - Global Change Master Directory GES DAAC - GSFC Earth Sciences DAAC GHRC - Global Hydrology Resource Center GIS - Geographic Information System GML - Geography Markup Language GMT - Greenwich Mean Time GSFC - Goddard Space Flight Center GUI - Graphical User Interface IIMS - Independent Information Management Subsystem IV&V - Independent Verification and Validation

J2EE - Java 2 Enterprise Edition LAADS - Level 1 and Atmosphere Archive and Distribution System LaRC DAAC - Langley Research Center DAAC LP DAAC - Land Processes DAAC MISR - Multiangle Imaging SpectroRadiometer MODIS - Moderate Resolution Imaging Spectroradiometer NASA - National Aeronautics and Space Administration NSIDC DAAC - National Snow and Ice Data Center DAAC ODL - Object Description Language OGC - OpenGIS Consortium ORNL DAAC - Oak Ridge National Laboratory DAAC PO.DAAC - Physical Oceanography DAAC PSA - Product Specific Attribute PUMP - Provider User Management Program QA - Quality Assurance RACF - Remote Access Control Facility RMI - Remote Method Invocation SAR - Synthetic Aperture Radar SEDAC - Socioeconomic Data and Applications Center SOAP - Simple Object Access Protocol SSC - Stennis Space Center SSL - Secure Sockets Layer QA - Quality Assurance UDDI - Universal Description, Discovery and Integration UI - User Interface UR - Universal Reference URL - Uniform Resource Locator UTC - Universal Time, Coordinated WIST - Warehouse Inventory Search Tool WRS - Worldwide Reference System WSDL - Web Services Description Language XML - eXtensible Markup Language XSLT - eXtensible Style Language Transformation