Current Open Issues

The list of open issues being discussed right now. There are plenty of more things to discuss, but these are the ones being worked on right now.

1 FilterEncoding. How do we represent filters in the protocol?

• • see discussion about FilterOperators
  • add SpatialOperators to work with coordinates?

• ProtocolHeader. Do we need to address resources in the protocol? What is an AccessPoint?

• RequestMethods. What kind of requests are needed?
  • PingRequest: do a simple 'ping' to see whether a resource is online.
  • CapabilitiesRequest: list capabilities of the respective (provider)software...
  • MetadataRequest: give human readable metadata about a provider/resource
  • SearchRequest: search is subtyped?
  • InventoryRequest: select distinct values or value arrays...
  • CountRequest: count is a seperate request or just a flag?

• ConceptualBinding. How do we address a concept of a ConceptualSchema?

• ResponseStructure: How to define the structure of the returned records?

• RecordDefinition: Do we need to define a "record" for a concetpual schema? Do we need a 'root' table?

• ErrorCodes: Do we need to define a standard set of error codes?

• An alternative ThirdProposal based on the SoapProtocol ?