Unpaywall Journals

Getting Started
The demo shows the projected cost and access for a large US university’s Elsevier big deal package, modeling a move to individual journal subscriptions.  ...
Thu, 7 Nov, 2019 at 2:10 PM
Cost Effectiveness (NCPPU)
We evaluate journal cost effectiveness by a metric we call Net Cost Per Paid Use (NCPPU).   NCPPU is similar to the more familiar Cost Per Use (CPU),...
Thu, 7 Nov, 2019 at 2:15 PM
Configuration settings
These settings are configurable so you can make the projections match the assumptions and values of your institution.  They change the model projections ...
Tue, 5 Nov, 2019 at 3:31 PM
FAQ
Thanks for your interest in Unpaywall Journals!  It is currently in Beta release -- we have more documentation coming soon.  In the mean time, check out the...
Tue, 5 Nov, 2019 at 3:31 PM
Glossary
Many of our terms are defined on the documentation pages for those tabs (see list here), but here are a few terms that we tend to use without defining: IL...
Thu, 7 Nov, 2019 at 2:09 PM
Page: Overview
The Overview page gives a summary of your Scenario's Costs and Access. The first of three bars shows the Scenario Cost as a percent of your Base...
Wed, 6 Nov, 2019 at 6:24 PM
Page: Fulfillment
All these numbers are the annual average percentages from our projections of the next five years. Instant Usage Percentage The percent of Usage that is...
Tue, 5 Nov, 2019 at 4:43 PM
Page: Open Access
Numbers are annual averages of projections for the next five years.  Our overall method of projecting Open Access is detailed in this bioRxiv preprint. ...
Wed, 6 Nov, 2019 at 6:32 PM
Page: Impact
All numbers are the annual average of our five-year projections. Total Usage The projected Usage of the journal by your institution.  Usage is a mea...
Tue, 5 Nov, 2019 at 4:06 PM
Page: Subscription cost
All of these costs are annual averages of projections for the next five years. Scenario Cost The cost of this journal according to the Settings and Sub...
Wed, 6 Nov, 2019 at 6:28 PM