The phrase "based on the contents" is correct and commonly used in written English.
It is typically used to introduce or explain the basis or reasoning for something. For example: "Her decision to reject the proposal was based on the contents of the contract." "The article was written based on the contents of the research report." "The new policy was developed based on the contents of the employee survey." "In conclusion, our recommendations for improvement are based on the contents of the customer feedback forms."
During phase one, we developed an online training module based on the contents of the NCHRE and upload it to the Collaborative Institutional Training Initiative CITII) website.
OHE comprising of a one-hour session in all strategies was based on the contents of a booklet supplemented by a set of seven pre-tested posters and an instruction manual for the educators (all three designed and pilot tested for the project).
The Guardian was one of several news organisations to publish a series of stories based on the contents of the files.
Inside, the bedroom the two characters shared growing up brimmed with '80s artifacts, many of which were suggestions Fey and Poehler made based on the contents of their own teenage chambers: a large Michael J. Fox photo in one corner and a Molly Ringwald headshot in another; stacks of cassette tapes; lava lamps; "Out of Africa," "Xanadu" and "E.T".
We are introduced to a character from our time and Eva makes lots of assumptions about her based on the contents of her bag.
Myplay allows music companies to send customers digital samples or pitches for concert tickets and other paraphernalia based on the contents of their lockers.
The Gmail case involves Google's practice of automatically scanning e-mail messages and showing ads based on the contents of the e-mails.
A Soundwave fan took umbrage at my recent questions to festival promoter AJ Maddah on Twitter after I found his initial response – "we don't book based on the contents of artists pants" – unsatisfying.
Indeed, in the Broadway and movie versions of the musical "1776," the songs sung by the actors playing John and Abigail Adams were based on the contents of their letters.
Let's face it, the British public are eminently more qualified to vote off the vapid, hollow souls who frequent these programmes than to register any opinion based on the contents of the EU constitution.
Imagine if the postal service started offering discount shipping in exchange for permission to scan every letter you receive and then target you with junk mail based on the contents of your personal mail.
