[Nepomuk] Something to think about on the trip to Freiburg
Evgeny Egorochkin
phreedom.stdin at gmail.com
Fri Nov 6 16:40:31 CET 2009
I don't think we need such a degree of secrecy so I'm forwarding this to the
mailng list :)
В сообщении от Среда 04 ноября 2009 22:37:56 автор Sebastian Trüg написал:
> Only two days until the Nepomuk workshop. Let me spoil your trip with some
> use cases which I would like to solve this weekend. Some of you have a
> long trip. Use the time to find answers to all the problems and implement
> the solution. With any luck we are done Friday evening and can go clubbing
> all weekend. ;)
>
> 1. Copy meta data with a copied file to a removable storage
> - How do we encode the data on the device (let's say USB stick)? A
> simple trig-encoded and gzipped file containing a graph data?
> - Which data do we export (the whole related project or person? Only the
> resource URI? Only literal properties?)
> - How is this data re-imported? Maybe even on another desktop?
> - When this file is part of a search result do we display it anyway? How
> would Dolphin for example show that the user needs to insert the USB
> stick?
>
> 2. Send a file to another desktop via jabber or email or whatever including
> meta data
> - Which meta data is exported?
> - Should strigi-extracted data be excluded?
> - How "deep" do we traverse the tree? Do we copy a related person or a
> project?
> - How do we "mark" the meta data as coming from another desktop?
> Embedding a jabber id or email address in the URIs?
> - Do we only do the above or do we actually try to sync with local data.
> Typical example here is a tag with the same name. Possibilities are a
> merger (and thus, loosing the origin of the meta data) or something
> like equality on the ontology level (possibly more complex queries) or
> simply ignoring it.
> - How is privacy handled? We need an ontology and a mechanism to protect
> sensible data. Private/public key systems could be a good solution.
> - Looks like basically the same problem as 1.
>
> 4. Query other desktops in the intra-net (or a dedicated subnet)
> - privacy: how do we protect the sensible data?
> - which technologies to use? Avahi? Which protocol should we use? HTTPS
> - maybe simply a dedicated SPARQL endpoint? But again: how to filter the
> data then?
> - should the network always be queried?
> - when importing data from other desktops we are back at use case 2
>
> 3. Integrate data from opendesktop.org.
> - The easiest solution is probably to have an Akonadi feeder for this
> data. - Can we somehow propose the public data from Nepomuk desktops
> available in the opendesktop interface?
> - Can opendesktop act as just another Nepomuk node in the network?
>
> General:
> - Which kind of APIs can we provide to simplify life for app developers?
> - Which kind of services/tools do we need?
>
> Looking forward to seeing you this weekend.
> Cheers,
> Sebastian
>
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