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    <p>I am currently building a REST "agent" that addresses the first part of your question. The agent offers a temporary bookmarking service. The client code that is interacting with the agent can request that an URL be bookmarked using some identifier. If the client code needs to retrieve that representation again, it simply asks the agent for the url that corresponds to the saved bookmark and then navigates to that bookmark. Currently those bookmarks are not persisted so they only last for the lifetime of the client application, but I have found it a useful mechanism for accessing commonly used resources. E.g. The root representation provides a login link. I bookmark that link and if the client ever receives a 401 then I can redirect to the "login" bookmark.</p> <p>To address an issue you mentioned in a comment, the agent also has the ability to store retrieved representations in a dictionary. If it becomes necessary to aggregate and manipulate multiple representations at the same time then I can simply request that the agent store the current representation in a dictionary associated to a key and then continue navigating to the next resource. Once the client has accumulated all the necessary representation it can do what it needs to do.</p>
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    1. POHow to solve two REST problems: the interface document; loss of privacy in descriptive URLs
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    1. USDarrel Miller
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    1. COThe bookmarking done by your agent is a local private cache for just this client on this machine, right? The cache contains a map between a string and the actual URI you'll need to re-get later. How do build the strings that become the keys in this map? Is there a general scheme? Probably not. What is the standard algorithm for using a REST service? How about: "Start with this root URI and crawl around the resource graph, using GET, OPTIONS, and HEAD, until you've located all needed resource representations, and remember to cache the ones you think you will need to get again soon."
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    2. COIs the REST community trying to standardize such an algorithm for using a REST service? Not having such a standard and not having a way to use opaque URLs (and still be able to walk the resource graph) prevent me from using REST. So I use WSDL/Soap. I sense from the reading I've done that most REST proponents don't value this ability of a machine to use a REST service automatically and quickly, as can be done with WSDL/Soap.
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    3. COThe resource aggregation idea above is a good one, but I think someone should publish it as "the best way" or one of "these five best ways" to get your resource representations out of a REST-based resource graph. If these standards exist in rigorous form somewhere, please point me to them. We need more structure and guidance in this REST craft than HTTP verbs and response codes.
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