The phrase "is indexed by" is correct and can be used in written English.
It is typically used in technical or academic writing to indicate that data or information is organized and accessed based on specific criteria or categories. Example: "The data in the research database is indexed by year, author, and topic, making it easy to retrieve and analyze relevant information."
That information will end up on a site that is indexed by Google.
For multi-block transmission, the received vector in (14) is indexed by the block number t, i.e., y t.
The desired symbol sequence is indexed by i = 0, and CCI sources by i > 0 (i = 1,..., L for CCI).
The fake journal now has a steady stream of papers from a range of disciplines, boldly declaring on its website that it is indexed by Thomson Reuters.
The service list is indexed by OBU IDs and it is ordered by a weight factor (as discussed in Section 4 below).
Related to this is the fact that Deskarma doesn't sit behind a walled garden and therefore is indexed by Google et al, meaning that a user's newly forged reputation might end up appearing in search results.
Within a few minutes that content is indexed by Google, and the high Page Rank of the site along with the newness of the content pushes it up towards to top of the first page of results.
An orthonormal basis of ℓ 2(B) is indexed by the set B, given by :e_b(b') = \begin{cases} 1&\text{if } b=b'\\ 0&\text{otherwise.} \end{cases} Let f1, …, fn be a finite orthonormal system in H.
Implicit knowledge is indexed by aftereffects when participants are aware that a previously practiced visuo-motor transformation has been removed.
The majority of available biodiversity data have not been collected with sufficient spatial resolution to be referred to the finer bioregions in IMCRA 4.0, but the Australian Faunal Directory (AFD) database (see below) is indexed by IMCRA 4.0 provincial bioregions.
It is indexed by CINAHL only.
