Re: WebVTT+JS and WebVTT+RDF

Hi Adam,

WebVTT has been built to be flexible for this kind of time aligned data, so
you should be able to use it for that.

What are the use cases behind this? What is your motivation? Are you
suggesting new standards be developed?

For example, the cue entry and cue exit JavaScript is already possible when
on a web page, no new standards necessary.

Is the microscope use cases big enough to create a standard for or is it
just for a research piece or a company's proprietary solution?

Cheers,
Silvia.



On Sat, Jun 26, 2021, 5:26 AM Adam Sobieski <adamsobieski@hotmail.com>
wrote:

> Semantic Web Interest Group,
>
> Web Media Text Tracks Community Group,
>
>
>
> Hello. I would like to share some thoughts on WebVTT+JS and WebVTT+RDF.
>
>
> Timed Lambda Expressions (WebVTT+JS)
>
>
>
> The following syntax example shows a way of embedding JavaScript in WebVTT
> tracks. The example provides two lambda functions for a cue, one to be
> called when the cue is entered and the other to be called when the cue is
> exited.
>
>
>
> 05:10:00.000 --> 05:12:15.000
>
> enter:()=>{...}
>
> exit:()=>{...}
>
>
> Dynamic Graphs (WebVTT+RDF)
>
>
>
> An example scenario for dynamic metadata is that of live streams and
> recordings from digital microscopes. In the scenario, dynamic metadata
> includes, but is not limited to, an instantaneous magnification scale and
> instantaneous time scale. Such metadata about the live streams and
> recordings from digital microscopes would be desirable to have including
> for machine learning and computer vision algorithms.
>
>
>
> “RDF diffs” [1], or “RDF deltas” [1], could be utilized with WebVTT for
> representing timed changes to semantic graphs and such approaches could be
> useful for representing extensible and dynamic metadata about live steams
> and recordings from biomedical, scientific, and industrial sensors and
> devices.
>
>
>
>
>
> Best regards,
>
> Adam Sobieski
>
> http://www.phoster.com
>
>
>
> *References*
>
> [1] https://www.w3.org/2012/ldp/wiki/LDP_PATCH_Proposals
>
>
>
> *See also*
>
> https://github.com/pchampin/linkedvtt
>
> https://github.com/afs/rdf-delta
>
>
>