When MR meets TSG

Uncle Robin · 05-28-2021, 11:59 PM

I'm posting this here because it was literally a reading recommendation. The StoryGraph has just upgraded its recommendations engine, both in algorithm (already good) and the size of its library - up from 200K books to 1.5M.
On the first page of my newly updated recommendations, I saw much more SF, including one that instantly made me think of MR, can't for the life of me think why.

JSWolf · 05-29-2021, 05:34 AM

Why are so many books listed without the ISBN?

Quoth · 05-29-2021, 08:12 AM

ISBN refers to an EXACT format, not just revisions, thus the SAME content in Hardback, large print, pocketbook-mass-market, Trade, book club editions, publishers with different geographic limitations, etc will all have different ISBNs.
ISBNs are for ordering a currently available version in a bookshop. It's equivalent to an EAN-UPC for a mythical country called bookland as the first three digits are usually 978 instead of the three digits on EAN-UPC which are a real country code.
The last digit is a check digit.
They work with EAN-UPC POS (Till) systems like in a supermarket or any other non-bookstore.

An identical size and content novel by USA and UK publishers will have a different ISBN, because the digits identifying the supplier/maker/distributor/publisher are after the the country code. Those are a variable number of digits and a supplier/maker/distributor/publisher using ISBN-UPC-EAN may have more than one range purchased at different times.

DiapDealer · 05-29-2021, 11:13 AM

I've successfully searched the internet for reading recommendations for years without once considering an isbn.

05-28-2021, 11:59 PM	#1
Uncle Robin Diligent dilettante Posts: 3,432 Karma: 48736498 Join Date: Sep 2019 Location: in my mind Device: Kobo Sage; Kobo Libra H2O	When MR meets TSG I'm posting this here because it was literally a reading recommendation. The StoryGraph has just upgraded its recommendations engine, both in algorithm (already good) and the size of its library - up from 200K books to 1.5M. On the first page of my newly updated recommendations, I saw much more SF, including one that instantly made me think of MR, can't for the life of me think why.

05-29-2021, 05:34 AM	#2
JSWolf Resident Curmudgeon Posts: 75,652 Karma: 134254544 Join Date: Nov 2006 Location: Roslindale, Massachusetts Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3	Why are so many books listed without the ISBN? Last edited by JSWolf; 05-29-2021 at 05:48 AM.

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05-29-2021, 08:12 AM	#3
Quoth the rook, bossing Never. Posts: 12,235 Karma: 89531599 Join Date: Jun 2017 Location: Ireland Device: All 4 Kinds: epub eink, Kindle, android eink, NxtPaper11	ISBN refers to an EXACT format, not just revisions, thus the SAME content in Hardback, large print, pocketbook-mass-market, Trade, book club editions, publishers with different geographic limitations, etc will all have different ISBNs. ISBNs are for ordering a currently available version in a bookshop. It's equivalent to an EAN-UPC for a mythical country called bookland as the first three digits are usually 978 instead of the three digits on EAN-UPC which are a real country code. The last digit is a check digit. They work with EAN-UPC POS (Till) systems like in a supermarket or any other non-bookstore. An identical size and content novel by USA and UK publishers will have a different ISBN, because the digits identifying the supplier/maker/distributor/publisher are after the the country code. Those are a variable number of digits and a supplier/maker/distributor/publisher using ISBN-UPC-EAN may have more than one range purchased at different times.

05-29-2021, 11:13 AM	#4
DiapDealer Grand Sorcerer Posts: 27,811 Karma: 198099188 Join Date: Jan 2010 Device: Nexus 7, Kindle Fire HD	I've successfully searched the internet for reading recommendations for years without once considering an isbn.