dcgis: DC GIS Glossary 3

DC GIS Glossary

For more information or for terms not defined here, please visit the ESRI GIS Dictionary

Term	Definition
SSL	Square, Suffix, and Lot. The identifier is used by the District of Columbia to uniquely locate property primarily for the purpose of taxation.
Status	Indicates the stage of development of a dataset. Available - The dataset is available in the Data Catalogue for distribution internally and externally. Development - OCTO is developing and processing the data to prepare for its active use; it is not available for distribution. QA/QC - OCTO is performing quality control processes on the dataset to assess quality, completeness, and utility; it is not available for distribution. Restricted - The data is available for District government use only. Improvement - Assessed through QC procedures, the dataset needs improvement via various data development activities; it is not available for distribution. Acquisition - OCTO is seeking to obtain the dataset form the source or owner organization; it is not available for distribution. Future - The dataset is designated for future development; it is not available for distribution.
Street Name Alias	An alternative or abbreviated name for a street. Examples of this include MISS for Mississippi or MLK for Martin Luther King Jr.
Summary Metadata	This is a shorter set of metadata to provide the basic information about a dataset. If a dataset does not have an Available status, not all of these data fields will be completed.
Tabular Data	Descriptive data stored in rows and columns in a database that can be linked to spatial data.
Tax Lot	A unit of land assigned by the real property tax administration that usually resides within a square. Often referred to as A&T lots or simply tax lots. These lots are strictly for real estate taxation purposes.
Transportation	The means and aids for conveying people and goods. For example, resources describing roads, airports and airstrips, shipping routes, tunnels, railways and related assets.
Utility and Communication	Energy, water and waste systems, and communications infrastructure and services. For example, resources describing sources of energy, water purification and distribution, sewage collection and disposal, electricity and gas distribution, data communication, telecommunication, radio, and communication networks.
VPM	Vector Property Map. It is the product of the digital Coordinate Geometry entered property lines for the District of Columbia.

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