Spatial Data Standards
Overview of spatial data standards for historic environment data: http://archaeologydataservice.ac.uk/ifp/Wiki.jsp?page=SectionB.9
UK GEMINI (GEo-spatial Metadata INteroperability INitiative): http://www.agi.org.uk/agi-group/standards-committee/uk-gemini
INSPIRE Directive (The Infrastructure for Spatial Information in Europe Directive): http://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX:32007L0002&from=EN
Technical Specifications for Polygons
SHED Technical Specification No 1 – Polygons: Known Site Extents and Discovery Areas
SHED Technical Specification No 2 – Areas of Archaeological Interest
SHED Technical Specification No 3 – Archaeological Event Polygons