This evaluation compares the usage of metadata elements in NASA Collections with SciOPs Collections. The CMR includes metadata collections from 18 NASA providers and from 25 SciOps providers. NASA collections come from the Common Metadata Repository (CMR), and the SciOps collections come from the Global Change Master Directory (GCMD).
The table below shows the collection included in this evaluation as well as the record count for each collection.
Table 1. Collections and record counts
Collection | Organization | Count |
| Collection | Organization | Count |
ASF | NASA | 161 |
| COLUMBIA | SCIOPS | 214 |
CDDIS | NASA | 38 |
| DOE | SCIOPS | 202 |
GES_DISC | NASA | 1044 |
| DOIUSGSGD | SCIOPS | 128 |
GHRC | NASA | 361 |
| DOIUSGSPUBS | SCIOPS | 105 |
LAADS | NASA | 130 |
| DOIUSGSSESC | SCIOPS | 207 |
LANCEAMSR2 | NASA | 6 |
| IAI-DIS | SCIOPS | 116 |
LANCEMODIS | NASA | 154 |
| ICSU | SCIOPS | 112 |
LARC | NASA | 406 |
| IOBIS | SCIOPS | 295 |
LARC_ASDC | NASA | 606 |
| JP | SCIOPS | 112 |
LPDAAC_ECS | NASA | 285 |
| KR | SCIOPS | 329 |
NSIDC_ECS | NASA | 223 |
| LTER | SCIOPS | 177 |
NSIDC_V0 | NASA | 784 |
| NSIDC | SCIOPS | 187 |
OB_DAAC | NASA | 132 |
| NZ | SCIOPS | 857 |
OMNIRT | NASA | 5 | UCAR | SCIOPS | 437 | |
ORNL_DAAC | NASA | 1216 | UEA | SCIOPS | 104 | |
PODAAC | NASA | 603 | UK | SCIOPS | 33 | |
SEDAC | NASA | 202 | UMD | SCIOPS | 169 | |
USGS_EROS | NSIDC | 11 | UNEPDEWA | SCIOPS | 373 | |
ACADIS | SCIOPS | 393 | UNEPROAP | SCIOPS | 162 | |
AR | SCIOPS | 142 | USAP | SCIOPS | 190 | |
BCO-DMO | SCIOPS | 136 | USC | SCIOPS | 151 | |
CN | SCIOPS | 134 |
This analysis compares element usage in the 18 NASA collection with the 25 SciOps collections. This evaluation identifies elements which exist in collections as well as elements that are complete in collections. In order for an element to exist in a collection it must be present in at least 1 metadata record included in the collection. In order for an element to be complete in a collection it must be present in all metadata records included in the collection.
Element usage for NASA collections and SciOps collections are shown below using bubble charts. The bubble chart interpretation graphic provides a schematic for interpreting the bubble plots.
Bubble Chart Interpretation
Chart 1 below compares element existence in NASA Collections with Other collections. The X axis shows the number of NASA collections that include an element. The Y axis shows number of Other collections that include an element. The bubble size shows the number of elements included in the 2 collections.
The large blue bubble in the upper right corner of the plot shows the items (elements and attributes) that exist is all 18 NASA collections and in all 8 Other collections. This bubble includes 51 items, as shown in the legend. The large red bubble in the lower left corner of the plot shows items that exist is 1 NASA collection and in 0 Other collections. This bubble includes 44 elements, as shown in the legend. The data for Chart 1 is accessible in Google Sheets. To view the data and bubble chart in Google Sheets click on the image.
Chart 1: NASA EXIST vs Other Exists
To access the data for this chart, click on the chart graphic above to view an interactive version in Google Sheets. The interactive version enables data identification for each bubble and includes a look up table for identifying the ISO elements associated with the bubble. To access and use the interactive version:
Chart 2 below compares element completeness in NASA Collections with Other collections. The X axis shows the number of NASA collections that are complete with respect to an element. The Y axis shows number of Other collections that are complete with respect to an element The bubble size shows the number of elements included in the 2 collections.
The large red bubble in the upper right corner of the plot shows items (elements and attributes) that are complete is all 18 NASA collections and in all 8 Other collections. This bubble includes 27 elements, as shown in the legend. The large blue bubble in the lower left corner of the plot shows the items that are complete in 1 NASA collection and in 0 Other collections. This bubble includes 38 items, as shown in the legend. The data for Chart 2 is accessible in Google Sheets. To view the data and bubble chart in Google Sheets click on the image.
Chart 2: NASA Complete vs Other Complete
To access the data for this chart, click on the chart graphic above to view an interactive version in Google Sheets. The interactive version enables data identification for each bubble and includes a look up table for identifying the ISO elements associated with the bubble. To access and use the interactive version:
Twenty-seven items (elements and attributes) are in all NASA and all Other Collections: See the All NASA and All Other filtered view to identify these elements.
Nineteen items (elements and attributes) are present in all Other collections and in a smaller number of NASA collections. See the All Other and Some NASA filtered view to identify these items.
Ted please double check this filter. The table below includes 52 items not 19
Table 2. Metadata Elements that are in all Other and in a smaller number of NASA collections
xPath (simplified)* | NASA |
gmd:contentInfo/gmd:processingLevelCode/gmd:code | 94% |
gmi:acquisitionInformation/gmi:platform/gmi:identifier/gmd:description | 94% |
gmd:identificationInfo/gmd:extent/gmd:geographicElement/gmd:southBoundLatitude/gco:Decimal | 94% |
gmd:distributionInfo/gmd:distributor/gmd:distributorTransferOptions/gmd:onLine/gmd:linkage/gmd:URL | 94% |
gmd:identificationInfo/gmd:extent/gmd:description | 94% |
gmd:identificationInfo/gmd:processingLevel/gmd:code | 94% |
gmd:identificationInfo/gmd:extent/gmd:geographicElement/gmd:eastBoundLongitude/gco:Decimal | 94% |
gmd:referenceSystemInfo/gmd:referenceSystemIdentifier/gmd:code | 94% |
gmd:identificationInfo/gmd:extent/gmd:geographicElement/gmd:northBoundLatitude/gco:Decimal | 94% |
gmd:identificationInfo/gmd:extent/gmd:geographicElement/gmd:westBoundLongitude/gco:Decimal | 89% |
gmd:distributionInfo/gmd:distributor/gmd:distributorTransferOptions/gmd:onLine/gmd:name | 83% |
gmi:acquisitionInformation/gmi:instrument/gmi:identifier/gmd:description | 78% |
gmi:acquisitionInformation/gmi:operation/gmi:identifier/gmd:code | 78% |
gmi:acquisitionInformation/gmi:operation/gmi:description | 72% |
gmd:distributionInfo/gmd:distributor/gmd:distributorTransferOptions/gmd:onLine/gmd:description | 72% |
gmd:distributionInfo/gmd:distributor/gmd:distributorFormat/gmd:name | 67% |
gmd:identificationInfo/gmd:status/gmd:MD_ProgressCode | 67% |
gmd:dataQualityInfo/gmd:report/gmd:measureIdentification/gmd:code | 56% |
gmd:identificationInfo/gmd:citation/gmd:identifier/gmd:version | 56% |
gmi:acquisitionInformation/gmi:instrument/gmi:type | 56% |
gmd:identificationInfo/gmd:extent/gmd:geographicElement/gmd:extentTypeCode/gco:Boolean | 56% |
gmd:distributionInfo/gmd:distributor/gmd:distributorTransferOptions/gmd:onLine/gmd:protocol | 50% |
gmd:contact/gmd:contactInfo/gmd:onlineResource/gmd:linkage/gmd:URL | 50% |
gmd:contact/gmd:contactInfo/gmd:onlineResource/gmd:protocol | 50% |
gmd:identificationInfo/gmd:pointOfContact/gmd:individualName | 50% |
gmd:metadataExtensionInfo/gmd:extendedElementInformation/gmd:source/gmd:role/gmd:CI_RoleCode | 50% |
gmd:identificationInfo/gmd:pointOfContact/gmd:contactInfo/gmd:address/gmd:administrativeArea | 50% |
gmd:identificationInfo/gmd:pointOfContact/gmd:contactInfo/gmd:address/gmd:city | 50% |
gmd:identificationInfo/gmd:pointOfContact/gmd:contactInfo/gmd:address/gmd:country | 50% |
gmd:identificationInfo/gmd:pointOfContact/gmd:contactInfo/gmd:address/gmd:deliveryPoint | 50% |
gmd:metadataExtensionInfo/gmd:extendedElementInformation/gmd:dataType/gmd:MD_DatatypeCode | 50% |
gmd:metadataExtensionInfo/gmd:extendedElementInformation/gmd:definition | 50% |
gmd:metadataExtensionInfo/gmd:extendedElementInformation/gmd:domainValue | 50% |
gmd:metadataExtensionInfo/gmd:extendedElementInformation/gmd:name | 50% |
gmd:identificationInfo/gmd:pointOfContact/gmd:contactInfo/gmd:address/gmd:postalCode | 50% |
gmd:identificationInfo/gmd:pointOfContact/gmd:contactInfo/gmd:onlineResource/gmd:protocol | 50% |
gmd:identificationInfo/gmd:pointOfContact/gmd:contactInfo/gmd:onlineResource/gmd:linkage/gmd:URL | 50% |
gmd:identificationInfo/gmd:resourceConstraints/gmd:useLimitation | 50% |
gmd:identificationInfo/gmd:pointOfContact/gmd:contactInfo/gmd:address/gmd:electronicMailAddress | 44% |
gmd:identificationInfo/gmd:pointOfContact/gmd:contactInfo/gmd:phone/gmd:voice | 44% |
gmd:contentInfo/gmd:dimension/gmd:otherPropertyType/gco:RecordType | 44% |
gmd:distributionInfo/gmd:distributor/gmd:distributionOrderProcess/gmd:fees | 44% |
gmd:identificationInfo/gmd:topicCategory/gmd:MD_TopicCategoryCode | 44% |
gmd:contentInfo/gmd:contentType/gmd:MD_CoverageContentTypeCode | 44% |
gmd:contentInfo/gmd:dimension/gmd:otherProperty/gco:Record/eos:AdditionalAttributes/eos:AdditionalAttribute/eos:reference/eos:type/eos:EOS_AdditionalAttributeTypeCode | 44% |
gmd:contentInfo/gmd:dimension/gmd:otherProperty/gco:Record/eos:AdditionalAttributes/eos:AdditionalAttribute/eos:reference/eos:dataType/eos:EOS_AdditionalAttributeDataTypeCode | 44% |
gmd:contentInfo/gmd:dimension/gmd:otherProperty/gco:Record/eos:AdditionalAttributes/eos:AdditionalAttribute/eos:reference/eos:name | 44% |
gmd:contentInfo/gmd:dimension/gmd:otherProperty/gco:Record/eos:AdditionalAttributes/eos:AdditionalAttribute/eos:reference/eos:description | 39% |
gmd:distributionInfo/gmd:distributor/gmd:distributorFormat/gmd:specification | 33% |
gmd:contentInfo/gmd:dimension/gmd:otherProperty/gco:Record/eos:AdditionalAttributes/eos:AdditionalAttribute/eos:value | 28% |
gmd:contentInfo/gmd:dimension/gmd:otherProperty/gco:Record/eos:AdditionalAttributes/eos:AdditionalAttribute/eos:reference/eos:identifier/gmd:code | 28% |
gmd:dataQualityInfo/gmd:report/gmd:evaluationMethodDescription | 0% |
One hundred and fifteen items (elements and attributes) are present in 0 Other collections and in a some number of NASA collections. See the No Other and Some NASA filtered view to identify these items.