40 lines
1.4 KiB
Markdown
40 lines
1.4 KiB
Markdown
# Glossary
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[Resource]: #Resource
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## Data Management System
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A Data Management System is a *framework* for building data management solutions such as data catalogs, data portals, data factories, data workflows and various combinations and extensions of these.
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## Dataset
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Dataset is a collection of related and (potentially) interconnected [Resource][]s. Example: Excel file with mulitple sheets, Database etc.
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## DMS
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DMS is an acronym for Data Management System.
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## File
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Usually a *data* file. See Resource.
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## Profile
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The structure for general metadata for data. E.g. this dataset follows the "Biodiversity Data Publication v1.3 Profile".
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## Resource
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Resource (aka File) is a single data file or object. Strictly, the Resource should correspond to a single logical data structure e.g. a single table vs multiple tables. Example: CSV file, single sheet spreadsheet, geojson file.
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Confusingly, an actual physical file/resource can correspond to multiple logical resources e.g. an Excel file with multiple sheets corresponds conceptually to a (logical) Dataset with multiple (logical) Resources.
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## Schema
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A schema for data (specifically a resource). For example:
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* The set of fields present e.g the columns in the spreadsheet
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* Thee type of each field e.g. is this column a string, number, date etc
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* Other restrictions e.g. all values in this field are positive
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See Frictionless Table Schema for a detailed spec: http://frictionlessdata.io/table-schema/
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