...to help you find your way out of the maze. If you have additional acronyms to suggest, do so via the Comment box. Thanks!
| API | Application Programming Interface |
| CCS | Curriculum Customization Service - an NSDL and Digital Learning Sciences/Integrated Information Services (UCAR), and University of Colorado learning application project with the Denver Public School System |
| CWIS | Collection Workflow Integration System – cataloging & collection management tool by Internet Scout Project / Univ of Wisc |
| DDS | Digital Discovery System - NSDL's digital repository and search and discovery service |
| DUE | Division of Undergraduate Education, in the Education & Human Resources Directorate at the National Science Foundation |
| EHR | Education and Human Resources Directorate, National Science Foundation |
| LAR | Learning Application Readiness - an initiative of NSDL to promote high quality in both resource and metadata creation enabling programmatic delivery of NSDL metadata across learning applications used by communities of educational practictioners and within educational systems |
| NAB | NSDL Accessioning Board - body that approves collections accessioning into NSDL |
| NCS | NSDL Collection System - cataloging and collection management tool developed by TNS |
| NSDL | National Science Digital Library |
| NSDL_DC | NSDL Dublin Core - the metadata format of NSDL |
| NSF | National Science Foundation - federal agency that has supported the National Science Digital Library |
| OAI-PMH | Open Archives Initiative - Protocol for Metadata Harvesting - a standard method for transferring metadata records to NSDL |
| SLM | Science Literacy Maps - the NSDL instance utilizing the NSDL Strand Map Service |
| STEM X | STEM Exchange - an initiative led by NSDL to provide and transmit usage data about the multiple ways educators use digital resources as annotational information attached to resources themselves |
| SMS | NSDL Strand Map Service - customizable API for creating strand maps, such as those in the NSDL Science Literacy Maps |
| UCAR | University Corporation for Atmospheric Research (UCAR), Boulder, Colorado, host institution for the NSDL program |