Metadata Meta Data is "data about data". That is, it describes the data in terms of its source, definition iti and characteristics. ti Sacramento Coun

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2 Metadata Meta Data is "data about data". That is, it describes the data in terms of its source, definition iti and characteristics. ti Sacramento County GIS data is defined using the Federal Geographic Data Committee standards. It describes: currency and quality of the data geographic extent of the area coordinate system projection attribute formats and definitions file formats contacts Reference: p// p /g /

3 An example from the City of Cities Metadata: Sacramental, Califorina i Identification_Information Data_Quality_Information Spatial_Data_Organization_Information Spatial_Reference_Information Entity_and_Attribute_Information Distribution_Information Metadata_Reference_Information

4 Metadata Example Identification_Information: Citation: ti Citation_Information: Originator: Sacramento County GIS Publication_Date: 1/1/2000 Title: Cities Geospatial_Data_Presentation_Form: vector digital data (Shape file, Drawing File) Description: Abstract: t City boundaries Purpose: Built from our GIS basemap, using parcel and centerline lines. Source: Constructed in conjunction with County GIS parcel and centerline basemap. City boundaries are typically coincident id with parcel lines and centerlines.

5 Time_Period_of_Content: of Time_Period_Information: Single_Date/Time: Calendar_Date: 1/1/2000 Currentness_Reference: publication date

6 Status: Progress: In work Maintenance_and_Update_Frequency: p q y As needed

7 Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: East_Bounding_Coordinate: North_Bounding_Coordinate: South_Bounding_Coordinate: 38.00

8 Keywords: Theme: Theme_Keyword_Thesaurus: n/a Theme_Keyword: Cities

9 Access_Constraints: Unrestricted Use_Constraints: Unrestricted Point_of_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Bob Earle Contact_Organization: GIS Contact_Position: Database Administrator Contact_Voice_Telephone: (916) Contact_Electronic_Mail_Address: Native_Data_Set_Environment: Windows NT Version 4.0 (Build 1381) Service Pack 4; ESRI ArcInfo

10 Data_Qua Quality ty_ Information: ato Positional_Accuracy: Horizontal_Positional_Accuracy: Lineage: Horizontal_Positional_Accuracy_Report: Built from County GIS basemap Source_Information: Source_Citation: Citation_Information: Originator: Sacramento County GIS Publication_Date: 1/1/2000 Publication_Time: Unknown

11 Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: Vector Point_and_Vector_Object_Information: SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: G-polygon Point_and_Vector_Object_Count: 6 Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Local: Local_Description: State Plane, zone 2 Geodetic_Model: d Horizontal_Datum_Name: North American Datum of 1983, State Plane Coordinate System, California, Zone 2

12 Entity_and_Attribute_Information: Detailed_Description: Entity_Type: Entity_Type_Label: Cities Attribute_Label: FID Attribute_Label: Shape Attribute_Label: AREA Attribute_Label: PERIMETER Attribute_Label: CTYA_ Attribute_Label: CTYA_ID Attribute_Label: GRPH Attribute_Label: CITY Attribute_ Definition: City Name Attribute_Format: Character,33 Attribute_Label: CITYNAME_A Attribute_Label: JURS Attribute_Label: b CITY_FIPS Attribute_Label: FIPS_CO Attribute_Label: TBM

13 Distribution_Information: Distributor: Contact_Information: Contact_Person_Primary: Contact_Person: Bob Earle Contact_Organization: GIS Contact_Position: Database Administrator Contact_Voice_Telephone: (916) Contact_Electronic_Mail_Address: Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Format_Name: SHP File_Decompression_Technique: No compression applied Transfer_Size: Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network _ Resource _ Name: \\PWNB1 PWNB1\gisaccess gisaccess\arcinfo ArcInfo\wqd wqd\gisdata gisdata\cities.shp Access_Instructions: Local area network

14 Metadata_Reference_Information: Metadata_Date: Metadata_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: GIS, Public Works Contact_Person: Bob Earle, GIS Database Administrator Contact_Address: t Address_Type: GIS, Suite A, 9700 Goethe Road, Sacramento, CA Contact_Voice_Telephone: (916) Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata Metadata_Standard_Version: FGDC-STD STD Metadata_Time_Convention: local time Metadata_Extensions: Online_Linkage: < Profile_Name: ESRI Metadata Profile Generated by mp version on Thu May 11 11:42:

15 Summary on Metadata People and organizations have the tendency of avoiding developing metadata because it is tedious Metadata is important reference for data lineage and quality It will be a good practice to check out metadata that comes with a dataset before using it