RE: [TF-DI] Discovery Categories and Tech Landscape

@Dave, could you illustrate how social relationships could act as  
enabler of discovery?

@Arne, I think discovery based on barcodes etc. should be another  
category for the tech landscape.

Regards
Soumya

Research Engineer, Eurecom, France | +33658194342 | @skdatta2010 |  
https://sites.google.com/site/skdunfolded | Skype id: soumyakantidatta


Quoting "Broering, Arne" <arne.broering@siemens.com>:

> Dave,
> Many thanks, that is great input.
> Would you mind adding some links to those technologies you mentioned  
>  into the structure of our wikipage? Do you see the aspect of peer  
> to  peer discovery as a new category?
>
> Cheers,
> Arne
>
> From: Dave Raggett [mailto:dsr@w3.org]
> Sent: Mittwoch, 8. Juli 2015 13:06
> To: Soumya Kanti Datta
> Cc: Broering, Arne; public-wot-ig@w3.org
> Subject: Re: [TF-DI] Discovery Categories and Tech Landscape
>
> Another perspective on the categories is that of push and pull.     
> Bluetooth beacons push info to those who are listening.  Multicast   
> based protocols like ZeroConf's mDNS and UPnP's SSDP are primarily   
> pull techniques in that they send a query and listen for a response.  
>   You can also listen in the background for responses to queries  
> sent  by others.  Some UPnP devices also push info periodically.
>
> A technique missing from Arne's page is that of peer to peer   
> discovery where the directory is essentially distributed across the   
> peers.  This is often based upon distributed hash tables which maps   
> the search space into a numeric range and then allocates servers to   
> parts of that range. The technique works well for scale free networks.
>
> Another approach is based upon social relationships between people   
> and things, including abstract things like personal, organisational,  
>  spatial and temporal zones.  This has the advantage of providing a   
> clear context for discovery and builds upon rich metadata.
>
> Discovery can also be based upon bar codes, NFC, infrared and audio chirps.
>
> For devices that register themselves, they can either have a   
> pre-provisioned URI for the registry, or they can use a local search  
>  technique, e.g. to find a home hub with which to register themselves.
>
> A discovery agent would support a variety of techniques, e.g.   
> listening for multicast notifications, for Bluetooth beacons and by   
> acting as a registrar. The agent could know something about the   
> context, and know about remote agents that it can query in turn.
>
>
> On 8 Jul 2015, at 11:26, Soumya Kanti Datta   
> <Soumya-Kanti.Datta@eurecom.fr<mailto:Soumya-Kanti.Datta@eurecom.fr>>   
> wrote:
>
> Hi Arne,
>
> Thanks for your efforts on this. Could you please add the scopes   
> (e.g. local, remote) of these technologies. This point was suggested  
>  in the joint call between TF-DI and TF-DI this morning.
>
> Regards,
> Soumya
>
>
> Research Engineer, Eurecom, France | +33658194342 | @skdatta2010 |   
> https://sites.google.com/site/skdunfolded | Skype id: soumyakantidatta
>
>
> Quoting "Broering, Arne"   
> <arne.broering@siemens.com<mailto:arne.broering@siemens.com>>:
>
>
> Dear all,
>
> We discussed in yesterday's TF-DI telco a wikipage that we have    
> drafted to outline WoT discovery categories and technologies:
> https://www.w3.org/WoT/IG/wiki/Discovery_Categories_and_Tech_Landscape
>
> Right now, the list of technologies is non exhaustive and should    
> serve as a working draft to structure an analysis of the WoT    
> discovery technology landscape. We would like to invite and    
> encourage everyone to contribute to this wikipage by adding further   
>  discovery technologies.
> Also, for each technology you find a brief description - please feel  
>   free to edit those descriptions or add further information.
>
> The aim of this analysis of discovery technologies should finally be  
>   to derive generic discovery interaction patterns and an abstract   
> WoT  discovery model.
>
> Thanks,
> Arne
>
> --
> Dr. Arne Broering
> Research Scientist
>
> Siemens AG
> Corporate Technology
> Research and Technology Center
>
> Otto-Hahn-Ring 6
> 81739 Muenchen, Germany
>
>
>
>
>
>
>
> -------------------------------------------------------------------------------
> This message was sent using EURECOM Webmail: http://webmail.eurecom.fr
>
>
> -
>    Dave Raggett <dsr@w3.org<mailto:dsr@w3.org>>
>
>
>
>



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Received on Wednesday, 8 July 2015 12:16:40 UTC