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Exporting THREDDS Datasets to Digital LibrariesDatasets that have enough information to create Digital Library entries are called enhanced datasets. The following shows how THREDDS fields are mapped to DIF and to ADN records. Only if all the required fields are present will a DL entry be generated.
| Dataset Field | DIF Field | Notes |
| authority + ID | Entry_ID | |
| name | Entry_Title | |
| variables, vocabulary="DIF" | Parameters | encode as "Category > Topic > Term > Variable > Detailed Variable" |
| publisher | Data_Center | what about Originating_Center? |
| abstract | Summary | documentation, role="summary" or "abstract" better ?? |
| Dataset Field | DIF Field | Notes |
| keyword | Keywords | uses all keywords, not just vocabulary="DIF" |
| timeCoverage | Temporal_Coverage | DIF cant handle reletive dates |
| geospatialCoverage | Spatial_Coverage | |
| rights | Use_Constraints | |
| Related_URL | refers to dynamic page generated by THREDDS server | |
| DIF_Creation_Date | generated automatically |
| Dataset Field | DIF Field | Notes |
| size | Distribution_Size | |
| dataFormat | Distribution_Format | multiple possible |
| service | Distribution_Media | multiple possible |
| contributor | Personell | role= "Investigator", "Technical Contact", "DIF Author" only |
| Source_Name | Platform valids | |
| project | Project | Project valids |
| Sensor_Name | Instrument valids | |
| Dataset Field | ADN Field | Notes |
| name | general/title | |
| abstract | general/description | |
| general/language | fixed "en" | |
| general/subjects | fixed "DLESE:Atmospheric science" | |
| publisher | lifecycle/contributor role="Publisher" | DLESE email is constrained |
| authority + ID | metaMetadataType/catalogEntries/entry | |
| metaMetadataType/catalogEntries/catalog | not clear what this is | |
| metaMetadataType/dateInfo | generated | |
| metaMetadataType/statusOf | fixed "accessioned" | |
| metaMetadataType/languange | fixed "en" | |
| metaMetadataType/scheme | fixed "ADN" | |
| metaMetadataType/copyright | fixed "Public Domain" | |
| metaMetadataType/termsOfUse | fixed "Public Domain" | |
| technical/online/PrimaryURL | refers to dynamic page generated by THREDDS server | |
| technical/online/medium | fixed "text/html" (refers to PrimaryURL) | |
| technical/online/requirement | fixed "Netscape" (refers to PrimaryURL) | |
| educational/audience/gradeRange | fixed: "DLESE:Graduate or professional" | |
| dataType | educational/resourceTypes | DLESE:Data: "In situ dataset", "Modeled dataset" or "Remotely sensed dataset" |
| rights/cost | fixed: "DLESE:No" | |
| rights | rights/description |
| Dataset Field | ADN Field | Notes |
| keyword | general/keywords | uses all keywords |
| size | technical/size | not done |
| technical/description | ?? | |
| geospatialCoverage | geospatialCoverages | not done |
| timeCoverage | temporalCoverages | not done |
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