Literals

This section provides information about the most basic field types currently supported by the DSL (version cris-2.0.0).

Literal Field Types

Field type

Facetable?

Description

boolean

True/False value

count

Integer that represents an aggregated count, e.g. times a work has been cited.

date

String that represents a precise date. Format is "YYYY-MM-DD", if MM or DD are omitted, they are considered to be 01 automatically.

financial

Float that represents a currency amount, e.g. funding amount in USD

float

Floating decimal point number

identifier

String that represents a unique identifier for a document, e.g. DOI

integer

Whole number

label

String that represents a label of an associated entity, e.g. country name

string

Short piece of text a few characters/words long, e.g. journal issue

text

Longer textual data, e.g. title or abstract. Fields of this type cannot be used in the filter part of query (where)

json

Nested unstructured data