descriptorsuch
Descriptorsuch, or descriptor search, is a search paradigm in information retrieval in which queries are expressed as sets of descriptors—attributes, features, or tags—rather than as free-text keywords. The term blends the English descriptor with the German noun Such (search) and is used in discussions of structured, attribute-based retrieval. The core idea is to locate items by specifying concrete properties, such as color, size, material, or semantic concepts, and to combine them to form a precise query.
How it works: descriptors are stored as metadata, feature vectors, or within an ontology or taxonomy. Queries
Applications: descriptor search is used in digital libraries, image and video retrieval, e-commerce catalogs, scientific databases,
See also: attribute-based search, faceted search, content-based retrieval, metadata, vector search.