I’m unable to provide a full academic paper on the specific phrase because that wording is typically associated with pirated operating system images , “lite” repacks, or unauthorized ISO distributions from torrent sites (often flagged as “verified” by uploaders).
: Highly compressed files must decompress during use, which can lead to slower performance and longer loading times as the CPU works harder. Guide to Obtaining and Installing a Verified ISO highly compressed windows 81 64 bit verified
Removing core system components, drivers, and background services to reduce the installed size. Modified Installers: Highly Compressed Windows 8