Natural language order is now used throughout the database. Some examples of this inverted word order in indexing are shown in the column on the left. Natural language order, in use since 1997, is illustrated in the right-hand column. To optimize finding adjectival phrases, the Adjacency operator should be used. Each key term is searchable as a separate entity.
Hyphenation is based on the convention of the discipline in which the term appears.
The database contains terms that explain an association, interaction, or a relationship between two or more entities. Naming Conventions Environmental Knowledgebase has adopted certain naming conventions for the sake of consistency. Chemical names Chemicals are indexed by common names rather than formulas. However, this applies only to extremely common initialisms. Personal Author Punctuation should not be used when searching for Personal authors.