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Another option would be to have your Memento infrastructure operate as before but make the URI-Ms of dark resources return (or redirect to) the 451 and show the generic page stating "Available in Legal Deposit Library Reading Rooms only". Since in this scenario the TimeGate would do the conneg, return the headers, and theTimeMap would list all URI-Ms, the BL content would continue to be surfaced in all Memento services.
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Sawood Alam
Department of Computer Science
Old Dominion University
Norfolk VA 23529
In our implementation, all Mementos and the TimeMaps and TimeGate for these resources return HTTP 451 only.
I'd like to know if this causes anyone any problems.
In our implementation, all Mementos and the TimeMaps and TimeGate for these resources return HTTP 451 only.What about sites/pages that have 'Dark' content, as well as publically accessible content?
So the whole TimeMap would be 451, even if there is some accessible momentos? Or do timemap/gate only return 451 if ALL momentos are 451?As an examplereturns a list, but I know there are some dark Legal Deposit accessible copies (seen them in a reading room) - but dont look like they returned here.
Similarly, will the TimeGate function to find accessible memento, or will it always just say 451 ?seems to work.
I'd like to know if this causes anyone any problems.Well as a developer, would want a way to 'exclude' these dark archives (they of no use normally) - unless was specifically looking for them.ie using timegate to get a memento, usually want a working/accessible memento :)FWIW, this seems ok if its only doing this for sites that are completely unavailable. The 451 could be a useful clue, but can ignore it.... but it somehow hinders getting to accessible archives, that's not so good. Either than TimeMaps can't tell which are unavailable (would have to can test the individual mementos) - or TimeGate is make it harder to get at accessible content.
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