Glossary

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Term	Description
portal	an on-line web-based user interface
portrayal	rendering of geographic features in a map layer
Postgres	an open source object-relational database system
profile	a modified version of an information (e.g., metadata) standard, based on extending and/or restricting a base standard
projection	a filter based on restricting the elements of a matching result set that are returned
protocol	a technical specification defining how to interact with a service over a network
proxy	provides indirect access for a user to a service, enabling additional processing before results are returned
PSI	Public Sector Information
publish	to provide access to datasets or metadata by configuring infrastructure components