A word or phrase assigned to an item to describe its contents. See also Keywords and Subject heading.

a piece of stored information that is used to identify an item in an information storage and retrieval system

a set of properties and mappings that describes how an object's data is represented in a relational database

a string, possibly empty, that represents a CG in the referent of some concept

a TopLink object that describes how an object's attributes and relationships are to be represented in relational database table(s)

For the purpose of this workbook, a descriptor is a term used in indexes that means subject heading.

Another word for subject heading used in many electronic journal databases.

an indexing term or symbol used to designate the subject of a work. Descriptors can usually be used when searching in databases.

An index term from a controlled vocabulary designed to provide efficient indexing and retrieval of information by subject

An element of a CONTROLLED VOCABULARY, as listed in a THESAURUS.

Some computerized databases, for example ERIC and PsycInfo, have their own list of published subject headings called "descriptors." In the electronic record which lists a specific work, the descriptors assigned to the work appear in the DE field.

Descriptors are documents that contain data that describe some object in the Biozon database. They contain a number of attributes and values that pertain to the object being described. The type and composition of the descriptors is dependent upon their source and meaning. Examples of descriptors include the Swiss-Prot descriptor and a GO term.

A word or words which have been selected to describe subject content. Interchangeable with "subject heading".

In electronic indexes/databases, the subject headings are generally called descriptors. They would be chosen from an index's thesaurus to describe the subject coverage of a particular cited work.

in electronic indexes, a subject heading assigned to an item by the indexers.

(= subject term) A term used in describing the contents of an article or a book. Descriptors are generally listed in a subject-specific thesaurus and used when searching electronic databases.

Vocabulary term assigned by the database producer to identify subject content of a document.

An indexing term, a word, or a phrase used to describe the content of a document. See Controlled Vocabulary. Identifier is a subject term that is not from a controlled vocabulary.

term/s used to identify a subject in a record.

see Subject Descriptor

A controlled vocabulary or thesaurus term used as a subject heading to describe the content of a reference.

A standardized term assigned to records in a database to facilitate retrieving records

A word that describes the subject of a periodical or a book; used in many databases. The term often is used synonymously with subject heading.

A subject heading which has been selected and used to categorize the content of an article in a database. See Subject Headings.

A word, phrase, or alphanumeric character used to identify an item in an information storage and retrieval system. See also Controlled Vocabulary.

(1) A term that describes the theme or topic of the content of a library resource. (2) a standardized term assigned to database records to facilitate retrieval of records in a search.

A word or phrase used as a subject heading. It is part of a controlled vocabulary used for a specific database. Compare with Subject Headings, Keyword Searching.

In certain databases, a standardized term used to describe the subject of a journal article.

Also called the "preferred term," it is the term chosen to represent the concept in displays in a thesaurus. In the Getty Vocabularies, it is generally the term/name most often used to refer to the concept in scholarly literature.

A word that describes the subject of an article or book; used in many computer databases. (See also Controlled Vocabulary, Subject Heading).

Terms used in indexes, abstracts, or other databases/periodical indexes to describe the subjects of an article; sometimes called subject headings.

Interchangeable with " subject heading," ERIC and CINAHL use the term "descripto"r: while InfoTrac and book catalogs use "subject headings."

A type of heading that is a term chosen as the preferred expression of a concept in a thesaurus.

In indexing, word or symbol used to designate the subject of a work.

A single word or phrase used by the indexer of a database to denote a particular subject.  All documents in the database related to that subject will be filed under that word or phrase.  Often used synonymously with the term, "subject heading."

a conceptual graph, possibly blank, which is said to describe the referent

a conceptual graph that is nested in the referent field of a concept

a conceptual graph which describes the referent

a data structure that describes a string or an array

a designator which is a conceptual graph

a label that uniquely identifies a concept within a conceptual scheme

a model element that describes the common properties of a set of instance s

A word which literally describes the product or service being identified, generally employed in conjunction with a fanciful, arbitrary, or suggestive name. One example of this is Kleenex Facial Tissue, where Kleenex is an arbitrary name and facial tissue is a descriptor.

Structure that contains information describing a volume or file.

read-only module which can be attached to an IP describing it to generalized components

Often used in conjunction with a coined/fanciful, arbitrary, or suggestive name, a descriptor literally describes the product or service being identified. A brand name used with a variety of descriptors across a product line is often a more economic strategy than that of giving every product or service its own proprietary name.

A class derived from TDesC, which describes an area of memory used as either a string or some binary data.

Any data field in the database. There are three kinds of descriptors: Passport, Crop Specific, and Inventory. Passport descriptors include historical information received with an accession at the time of introduction and are not crop dependent. In contrast, a crop specific descriptor is a physiological or morphological characteristic that is evaluated for a specific crop or group of related crops. Crop Specific descriptors are determined and defined by the crop curator, you, or, in GRIN, by the specific CGC. This descriptor may have a coded value (for example, "Y" for yellow, "1" for susceptible) or an actual value (for example, 173 = days to anthesis, 41.1 = percent protein

Any new-style object that defines the methods __get__(), __set__(), or __delete__(). When a class attribute is a descriptor, its special binding behavior is triggered upon attribute lookup. Normally, writing a.b looks up the object b in the class dictionary for a, but if b is a descriptor, the defined method gets called. Understanding descriptors is a key to a deep understanding of Python because they are the basis for many features including functions, methods, properties, class methods, static methods, and reference to super classes.

A term used with a brand name to communicate an informational attribute (e.g., variant, function, occasion or target segment) about a specific offer.