Epub Revision - enhanced metadata support

Nate the great · 04-08-2010, 07:13 PM

Quote:

Need for enhanced metadata support. EPUB 2.0.1 provides basic support for expressing embedded publication metadata. However, native support for standards such as ONIX and RDFa is not yet provided, which has a negative impact on the fidelity of metadata provision. Likewise, PRISM has article-level and inline metadata support that could integrate into EPUB.

Who wants to get this one started?

charleski · 04-08-2010, 10:28 PM

PRISM appears to be more relevant to magazines than books. It may be useful in encouraging a move to epub instead of relying on custom-built apps, though.

I don't really see the point of ONIX, but then I'm not an accountant. ONIX has certainly added a few new epub-specific tags and looks like it's aiming to get integrated. But a lot of the information it covers it potentially quite sensitive - publishers and distributors aren't going to be entering discount codes and the phone no.s or email addresses of employees into an epub to be read by anyone. ONIX looks like a schema for a back-end stock-management database, I don't see why it should be part of the epub spec.

kovidgoyal · 04-08-2010, 11:17 PM

series, rating and section level metadata in the OPF (all of which calibre already does via extensions).

Section level metadata: support for specifying the author, a summary and a date for every section.

Oh and support for specifying raster cover images in OPF

dmikov · 04-08-2010, 11:47 PM

FB2 2.1 has pretty exhaustive metadata schema, might be worth looking into.

Terisa de morgan · 04-09-2010, 02:22 AM

Quote:

Originally Posted by kovidgoyal

series, rating and section level metadata in the ncx (all of which calibre already does via extensions).

Section level metadata: support for specifying the author, a summary and a date for every section.

I totally agree, first for global book and second for anthologies (if we can ask, series and rating for every section too, with the same purpose).

ghostyjack · 04-09-2010, 06:38 AM

What also might be handy is the ability to specify for a series how many books there are in it and which one this is. Therefore it should be possible for a reading device or software to extract the info and display as:

Book # of x.

Where # is the book number and x is the number of books in the series.

pholling · 04-09-2010, 10:53 PM

I hope that the metadata includes attribution for a block of material, as Kovid suggested. I see textbooks becoming a blend of material from different sources crafted by the instructor to meet the needs of the current course. Whatever business model makes that work will want to know who wrote which section.
I also see metadata tallying compliance with the constantly changing landscape of standards involved for representing different kinds of information.

04-08-2010, 11:17 PM	#3
kovidgoyal creator of calibre Posts: 43,850 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	series, rating and section level metadata in the OPF (all of which calibre already does via extensions). Section level metadata: support for specifying the author, a summary and a date for every section. Oh and support for specifying raster cover images in OPF Last edited by kovidgoyal; 04-09-2010 at 02:33 AM.

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04-08-2010, 10:28 PM	#2
charleski Wizard Posts: 1,196 Karma: 1281258 Join Date: Sep 2009 Device: PRS-505	PRISM appears to be more relevant to magazines than books. It may be useful in encouraging a move to epub instead of relying on custom-built apps, though. I don't really see the point of ONIX, but then I'm not an accountant. ONIX has certainly added a few new epub-specific tags and looks like it's aiming to get integrated. But a lot of the information it covers it potentially quite sensitive - publishers and distributors aren't going to be entering discount codes and the phone no.s or email addresses of employees into an epub to be read by anyone. ONIX looks like a schema for a back-end stock-management database, I don't see why it should be part of the epub spec.

04-08-2010, 11:47 PM	#4
dmikov Addict Posts: 257 Karma: 960 Join Date: Dec 2006 Device: REB1200; REB2150; Sony 500/350; EZReader; IREX DR800SG; Nook/Color	FB2 2.1 has pretty exhaustive metadata schema, might be worth looking into.

04-09-2010, 06:38 AM	#6
ghostyjack Guru Posts: 718 Karma: 1085610 Join Date: Mar 2009 Location: Bristol, England Device: PRS-T1, 1825PT, Galaxy Tab, One X, TF700T, Aura HD, Nexus 7	What also might be handy is the ability to specify for a series how many books there are in it and which one this is. Therefore it should be possible for a reading device or software to extract the info and display as: Book # of x. Where # is the book number and x is the number of books in the series.

04-09-2010, 10:53 PM	#7
pholling Junior Member Posts: 6 Karma: 10 Join Date: Apr 2010 Device: K DX, iPad	I hope that the metadata includes attribution for a block of material, as Kovid suggested. I see textbooks becoming a blend of material from different sources crafted by the instructor to meet the needs of the current course. Whatever business model makes that work will want to know who wrote which section. I also see metadata tallying compliance with the constantly changing landscape of standards involved for representing different kinds of information.

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