"constitutes a collection" is a grammatically correct phrase and can be used in written English.
It is often used to describe the act of forming or creating a collection of items. One example could be: "The paintings from different artists constitutes a collection of diverse styles and techniques."
Or we might deny that every arbitrary assembly of objects constitutes a collection.
The Zynga Playbook constitutes a collection in one document of many of the most material non-public commercially valuable concepts, techniques, know-how and best practices for developing successful and distinctive social games.
The Platform Integration layer constitutes a collection of hardware and software components providing the necessary computational infrastructure e.g. a hybrid public and private cloud instances that ensures cross-platform accessibility of data.
This co-adapted space arises because it constitutes "a collection of equivalent solutions to the same biological problem" [44; p. 195], the problem being in this case obtaining (as an offspring) and providing (as a parent) an amount of parental investment which maximizes lifetime fitness.
BioXSD thus constitutes a collection of ready-made, semantically annotated building blocks for the web-service interfaces.
A 'partitioning scheme' constitutes a collection of subsets that include every site in the alignment once and only once.
There weren't enough unpublished stories to constitute a collection until very recently.
The published conference proceedings constitute a collection of articles among the most cited in this scientific area.
"There weren't enough unpublished stories to constitute a collection until very recently," the editor Anne Margaret Daniel said, of F. Scott Fitzgerald's previously unpublished archives.
"It's as if the Centquatre is constituting a collection of monumental works that maintain a trace of exhibitions past," said Mr. Gonçalves.
Bill of Rights, in the United States, the first 10 amendments to the U.S. Constitution, which were adopted as a single unit on December 15 , 1791 and which constitute a collection of mutually reinforcing guarantees of individual rights and of limitations on federal and state governments.
