Building the World Wide Hypermap (WWH) with a RESTful architecture

Figures & data

Figure 1. WWH corporative node elements.

Table 1 Basic geospatial URI templates in the WWH.

Resource	URI template
Organisation	http://{OrganizationServer}/WWH
Software instance	http://{OrganizationServer}/WWH/{SoftwareInstance}
Geospatial collection (vector features, raster coverages or record sets)	http://{OrganizationServer}/WWH/{SoftwareInstance}/{GeospatialCollection}
Geospatial entity	http://{OrganizationServer}/WWH/{SoftwareInstance}/{GeospatialCollection}/{GeospatialEntity}
Feature attribute	http://{OrganizationServer}/WWH/{SoftwareInstance}/{GeospatialCollection}/{GeospatialEntity}/{attribute}
Coverage element cell value	http://{OrganizationServer}/WWH/{SoftwareInstance}/{GeospatialCollection}/{attribute}/{row}/{col}
Record set cell value	http://{OrganizationServer}/WWH/{SoftwareInstance}/{Database}/{RecordSet}/{record}/{field}

Table 2 Retrieval, creation, update and delete of geospatial entities.

HTTP URI template	Method	Action
http://{OrganizationServer}/WWH/{SoftwareInstance}/{GeospatialCollection}/{GeospatialEntity}	GET	Returns the geospatial entity and its attribute values.
http://{OrganizationServer}/WWH/{SoftwareInstance}/{GeospatialCollection}/{GeospatialEntity}	POST	Creates a new entity. It returns the geospatial entity identifier.
http://{OrganizationServer}/WWH/{SoftwareInstance}/{GeospatialCollection}/{GeospatialEntity}	PUT	Replaces the most recent version of the geospatial entity.
http://{OrganizationServer}/WWH/{SoftwareInstance}/{GeospatialCollection}/{GeospatialEntity}	DELETE	Removes a particular geospatial entity.

Figure 2. Summary of resources and their operations, relations and URI templates in the WWH.

Figure 3. Software components and connections between two corporate nodes and an external thin client.