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Re: Use Cases and Requirements Wiki page updated

From: Silvia Pfeiffer <silviapfeiffer1@gmail.com>
Date: Thu, 12 Mar 2009 00:18:08 +1100
Message-ID: <2c0e02830903110618o25523212kcfb5b5c96e25e211@mail.gmail.com>
To: Guillaume Olivrin <golivrin@meraka.org.za>
Cc: Media Fragment <public-media-fragment@w3.org>
Hi Guillaume, all,

As I'm went through the use cases to cut-and-past them into the WD, I
stumbled across a few things.

Use Case 2.4 (really: 3) Spatial Video Pagination - Guillaume, can you
explain how that is spatial pagination? I don't quite understand what
Elaine is actually doing with the video.

Use Case 4.5 Search Engine - I don't understand how that fits within
the section. The section is about annotating, but this one essentially
just re-describes what was already described in Use Case 1.1 Search
Engine. Can you explain where you see the annotations coming in?

I wonder if Use Cases 5.3 and 5.4 are out of scope.

I have now included all the use cases into the WD and made some minior
text changes/fixes of typos along the way, but essentially kept all
the changes from Guillaume. Nice job. :-)


On Tue, Mar 3, 2009 at 11:49 AM, Silvia Pfeiffer
<silviapfeiffer1@gmail.com> wrote:
> Looks good at first sight - in particular the SVG. Many thanks for drawing it!
> I haven't re-read the details, but will as I paste it into the Working Draft.
> Raphael: can you give me a quick intro to how to go about that or send
> a link that explains it?
> Thanks,
> Silvia.
> On Thu, Feb 26, 2009 at 10:18 PM, Guillaume Olivrin
> <golivrin@meraka.org.za> wrote:
>> Dear WG,
>> This is a follow-up of ACTION-43 (Guillaume to incorporate changes
>> proposed by reviewers of the Use Case and Requirements Wiki page) now
>> closed.
>> I have incorporated all the changes from the UC reviews (Raphael, Jack,
>> Guillaume and Davy) in the Wiki. I encourage you to review the new Draft
>> with all the changes incorporated at
>> http://www.w3.org/2008/WebVideo/Fragments/wiki/Use_Cases_%
>> 26_Requirements_Draft.
>> Below I raise a few points about the changes:
>> * I kept the (Out-Of-Scope) Use Cases in the Draft with the others. I
>> think it's important to show what's IN and what's OUT. Maybe we ought to
>> have more Out-Of-Scope use case...
>> * The main structural changes to the UC draft are:
>> *1 I have fully removed Section 2 (the "technology" use cases) and
>> incorporated these UCs in with the first section under their appropriate
>> theme.
>> *2 The two parts of the draft are now called Functional and
>> Non-functional Requirements.
>> *3 I have given each UC a short name
>> * (Ex-)Section 2 tried to give an account what Media Fragments meant for
>> existing technologies (and new developments thereof). Instead it gave UC
>> stories. Should we still try to capture in a separate wiki page
>> (discussion page) what features media fragments bring from the
>> technological point of view? For example to make Media Fragment explicit
>> by application (web browsers, media players, search engines) - i.e.
>> Search engines could return media fragments in their results, media
>> players could introduce extra meta-data and auto-generate playlists from
>> all fragments of a media, web browser will have URI rewrite schemes for
>> time and space etc ...).
>> * UC similarities & relations :
>> (Linking) Scenario 3: Portion of Music
>> related to
>> (Recomposing) Scenario 5: Music Samples
>> (Linking) Scenario 4: Moving Windows of Interest
>> related to
>> (Annotating) Scenario 7: Spatial and Temporal Tagging
>> (Linking) Scenario 1: Search Engine
>> related to
>> (Annotating) Scenario 5: Search Engine
>> related to
>> (Annotating) Scenario 1: Spatial Tagging of Images
>> (Linking) Scenario 2: Region of an Image
>> related to
>> (Recomposing) Scenario 1: Reframing a photo in a slideshow
>> It seems more interesting and explicit to have many specialised UC
>> rather than too generic ones.
>> Also Captured
>> https://wiki.mozilla.org/images/thumb/4/40/Model_Video_Resource.jpg/800px-Model_Video_Resource.jpg
>> as SVG
>> http://www.w3.org/2008/WebVideo/Fragments/wiki/Image:Model_of_a_Video_Resource.svg
>> and PNG
>> http://www.w3.org/2008/WebVideo/Fragments/wiki/Image:Model_of_a_Video_Resource.png
>> Additional UCs :
>> + The "Search engine" UC under "Annotating Media Fragments"
>> Guillaume wants to retrieve the images of each bike present at a recent
>> cycling event. Group photos and general shots of the event have been
>> published online and thanks to a query in a search engine, Guillaume can
>> now retrieve multiple individual shots of each bike in the collection.
>> Regards,
>> Guillaume
Received on Wednesday, 11 March 2009 13:23:22 UTC

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