'demonstrated value' is a correct and usable phrase in written English which can be used when referring to the worth of something based on its results or performance.
For example: The company's commitment to the community served as a demonstration of its value.
In addition, peer attributes have demonstrated value in assessing the distribution of video content in P2P television systems [31, 32].
The analytics team has already demonstrated value with several projects, including its CityScore data snapshot of city progress, which was recently designated a Bright Idea by Harvard's Innovations in American Government program.
However, "despite their demonstrated value over a thirty-year history, the use of ITS remains restricted to research projects and a few commercial applications" (Robson and Barr 2013).
Despite the long history of rice research covering diverse areas and the demonstrated value of the African Oryza species, there is still little information on these species compared to others in the genus (Goicoechea 2009).
Despite the demonstrated value of wild rice introgressions (Ballini et al. 2007), rice breeders are often reluctant to disturb favorable linkage blocks which they have constructed over many years by crossing locally adapted cultivars with wild rice relatives.
Owing to their high affinities and specificities, rabbit monoclonal antibodies (mAbs) have demonstrated value and potential primarily as basic research and diagnostic reagents, but, in some cases, also as therapeutics.
PMD Badges are awarded to developers that have demonstrated value-added capabilities that help marketers scale and achieve efficiency, and extend beyond the functionality of Facebook's native tools.
The water absorption property of scaffolds was tested which demonstrated values as high as 1187%.
President Obama not only demonstrated values to our young people, he called on them to serve and lead.
In this study the demonstrated values seem relatively small [ 1].
In reality, the values ranged from 0.2 to 0.43, and ten genes demonstrated values exceeding 0.30.
