wiki-archive/twiki/data/TAPIR/CurrentOpenIssues.txt

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---+ 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 ?