"based on metadata" is a correct and usable phrase in written English.
It is commonly used in various fields such as technology, science, and academia. Example: The classification of documents was done based on metadata such as keywords, date of creation, and authorship.
Michael Hayden, the former C.I.A. and N.S.A. director, has said, "We kill people based on metadata".
"We're not going to have a taskforce come out to get [pirates] based on metadata collection.
The inaugural article by Glenn Greenwald and Jeremy Scahill at their new media venture notes that the National Security Agency regularly identifies targets for CIA assassinations based on metadata analysis and cell-phone tracking.
The law currently treats call content and metadata separately and makes it easier for government agencies to obtain metadata, in part because it assumes that it shouldn't be possible to infer specific sensitive details about people based on metadata alone.
The experiment result shows that the information retrieval method based on metadata can improve the e-government information retrieval efficiency and precision, and realizes the share of e-government resources.
The experimental results based on metadata obtained from the participants demonstrate that the proposed method can successfully reduce up to 74% of the size of trajectory data with an average error of 1.23 pixels.
One such action is copying a file to one or more locations based on its metadata.
The architecture of our integrated data management system is based on a metadata approach, which consists of four components including a metadata mechanism and a Java-based application engine.
The set of evidence based on such metadata can be termed the annotation view.
Therefore, this article puts forward an e-government information retrieval model based on the metadata.
Based on recorded metadata, it provides explicit information about the relationships among the elements of workflows in notebook form augmented with directed acyclic graphs.
