EIM High Level Model Home Page Index of Entities

LOC Locations

Physical locations to which objects may be located. This includes geographic addresses as well as more general regions or locations. Both conventional addressing schemes and spatial co-ordinate (GIS) systems are included.

Locations diagram

VIEW

Entity Index

City/Town	Country	Geographic Address
Local Government Area	Map Item	Other Region/Location Group
Postcode	Region/Location Group	State/Territory
Street

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City/Town

Any place that is referred to as a 'City', 'Town' or 'Suburb' and that is published in an official map. A CITY/TOWN is governed by a body (usually elected) such as a 'City Council' or a 'Town Council'.

Business Rules

Each CITY/TOWN -

may be part of one or more GEOGRAPHIC ADDRESSes
may be geocoded as one or more MAP ITEMs
may be used to define one or more POPULATION GROUPs
may be assigned a POSTCODE

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Country

An internationally recognised sovereign area of the world. (Note: This definition excludes the EEC or OPEC or ASEAN being described as a country. Such examples, if required, can be implemented as REGION/LOCATION GROUP).

Countries may be classified by the Australian standard classification of countries for social statistics, ABS Catalogue no. 1269.0

Business Rules

Each COUNTRY -

may be part of one or more GEOGRAPHIC ADDRESSes
may be geocoded as one or more MAP ITEMs
may be the place of birth of one or more PERSONs

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Geographic Address

Identifies a physical location.

A GEOGRAPHIC ADDRESS does not always have all elements of an address available and recorded. For example, to record the known place of birth of a person may require only that the country of birth is recorded.

Business Rules

Each GEOGRAPHIC ADDRESS -

must refer to only one COUNTRY
may be the site of one or more ENVIRONMENTAL HEALTH SURVEILLANCEs
may be the site of one or more EVENTs
may be the site of one or more INCIDENTs
may be geocoded as one or more MAP ITEMs
may be the place of registration of one or more ORGANISATIONAL UNITs
may be a location of one or more ORGANISATIONAL UNITs
may be a residence of one or more PERSONs
may be the location of one or more PHYSICAL RESOURCE ITEMs
may be the place of registration of one or more TRUSTs
may be the location of one or more WORK SESSIONs
may refer to a CITY/TOWN
may be the location of a POSTAL ADDRESS
may refer to a POSTCODE
may be the location of a PUBLIC USE AREA
may be located within a REGION/LOCATION GROUP
may refer to a STATE/TERRITORY
may refer to a STREET

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Local Government Area

A geographic area which is administered by a (usually elected) body such as a Council, Shire, or Municipality. A LGA is usually established under the terms of an Act of Parliament (in WA the Local Government Act).

Business Rules

Each LOCAL GOVERNMENT AREA is a type of REGION/LOCATION GROUP.

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Map Item

A MAP ITEM is a representation of a region of space, from a single point to a complex three-dimensional region. Such representations require specialised software (Geographical Information Systems) and sometimes hardware to interpret them.

Location identifiers are sometimes geocoded to link to such points or regions.

Business Rules

Each MAP ITEM -

may be the sample collection site for one or more ENVIRONMENTAL HEALTH SURVEILLANCEs
may be the site of one or more EVENTs
may geocode a CITY/TOWN
may geocode a COUNTRY
may locate an ENVIRONMENTAL FACTOR
may geocode a GEOGRAPHIC ADDRESS
may be the location of a PUBLIC USE AREA
may geocode a REGION/LOCATION GROUP
may geocode a STATE/TERRITORY
may geocode a STREET

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Other Region/Location Group

Any REGION/LOCATION GROUP that is not a Local Government Area. One common example is a Statistical Local Area.

Business Rules

Each OTHER REGION/LOCATION GROUP is a type of REGION/LOCATION GROUP.

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Postcode

This is a code published within a country by the postal services of that country. Its primary purpose is to enable easy sorting and distribution of mail (by the postal service).

Business Rules

Each POSTCODE -

may be assigned to one or more CITY/TOWNs
may be part of one or more GEOGRAPHIC ADDRESSes
may be used to define one or more POPULATION GROUPs

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Region/Location Group

This is a notional grouping of any other geographic locations, including other instances of itself. These are set up typically for analyses and marketing purposes. Examples may include, "The Kimberley", "Perth Metropolitan Area" etc. Any one of these may in turn be subdivided into other (sub) groupings.

Business Rules

Each REGION/LOCATION GROUP is an OTHER REGION/LOCATION GROUP or a LOCAL GOVERNMENT AREA.

Each REGION/LOCATION GROUP -

may define the scope of one or more ENVIRONMENTAL FACTORs
may be the site of one or more EVENTs
may include one or more GEOGRAPHIC ADDRESSes
may be geocoded as one or more MAP ITEMs
may be used to define one or more POPULATION GROUPs
may include one or more REGION/LOCATION GROUPs
may be the location of a PUBLIC USE AREA
may be included within a REGION/LOCATION GROUP

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State/Territory

An administrative area of a COUNTRY with (usually) its own governing body. In Australia this includes territories. In other countries, a 'state' may be known as a county, department etc.

Business Rules

Each STATE/TERRITORY -

may be part of one or more GEOGRAPHIC ADDRESSes
may be geocoded as one or more MAP ITEMs
may be used to define one or more POPULATION GROUPs

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Street

This identifies an officially defined street or road on which there are locations defined.

Business Rules

Each STREET -

may be part of one or more GEOGRAPHIC ADDRESSes
may be geocoded as one or more MAP ITEMs

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