indexing
action in information science of building an index (supplementary data structure holding denormalized data) to accelerate subsequent accesses
automatic indexing
computerized process of scanning large volumes of documents against a controlled vocabulary, taxonomy, thesaurus or ontology
Search engine indexing
processing and storage of data to enable fast information querying
document indexing
classifying a document by keywords, index terms or descriptors
web indexing
methods for indexing the contents of a website or of the Internet as a whole.