"key concept behind" is correct and commonly used in written English.
It is typically used to introduce or explain the main idea or underlying principle behind something. Example: The key concept behind this new educational program is to promote critical thinking skills among students.
This is the key concept behind vestibular rehabilitation, forcing the brain to confront the dizzy signal and compensate for it.
This model of learning is a key concept behind the educational benefits of using virtual field guides/trips in higher education teachings.
A key concept behind the implementation of the WHG is extensibility, both into other knowledge domains, and into other software agents.
The key concept behind the approach is the use of a particular definition of instantaneous frequency in tandem with chirp signals for testing.
From being the key concept behind self-evolving robots to expounding our learning and cognitive abilities, often dubbed as the "evolved abilities," the ramifications of Darwin's theory are indeed anything but limited.
If you're not familiar with the service, the key concept behind it is that users can access to the music stored in their BBM buddies' playlists, which incentivizes the social experience that RIM has been so keen on building with BBM.
Lazaridis is a widely respected engineer who single-handedly developed the key concepts behind the BlackBerry and its wireless e-mail service.
In the following subsections we briefly describe the modeling concepts used in our social networking platform as well as the key concepts behind the Chef configuration management framework.
This paper motivates the key concepts behind Lagoona and briefly describes their realization (using Lagoona itself as the implementation language) in the context of Microsoft's .NET environment.
The key concepts behind the method are the modeling of the uncertainty associated with the inverse perspective projection of image features and a parameter space voting scheme to find a consensus on the vehicle state among tracked features.
They are philosophical in the sense that ready infrastructures, standards, and digital tools embody translations of ideal principles, central architectures, and key concepts behind the informatics models that form the keystones of digital ontologies.
