Exact phrase

Searches for text that contain all search terms in the order in which they are searched

“ “

"Global africa" finds:

• Global africa

"Global africa" does not find:

• Africa global
• Africa globalization
• globalization africa

Supported in advanced search and query; HOWEVER, fuzzy logic and word stemming are applied. Requirement: remove

• Should exact phrase be case sensitive?

Contains all

Searches for text that contain all search terms regardless of order

None

Default search; Supported in advanced search and query

MARC authority takes word order into account

Contains any

Searches for text that contain any of the search terms regardless of order

None

Supported in advanced search and query

Case sensitivity

Searches for text that contains terms, matching the case entered in the query

None

Requests for making ALL searches case insensitive.

*Only supported for full-text fields

Space handling

Searches for text that either contain the spaces in the query, or trim leading/trailing spaces from query

None

Requests for trimming/ leading spaces from query

Masking - zero or more, leading

A zero or more character wildcard search, beginning with a wildcard

*

*chemistry finds:

• biochemistry
• thermochemistry
• immunochemistry
• geochemistry

• What is the difference between truncation and wildcards? Is it that a wildcard is able to be inserted within a search term, as opposed to only trailing or leading?

Masking - zero or more, trailing

A zero or more character wildcard search, ending with a wildcard

*

surg* finds:

• surgeon

• surgeries

• surgical

• surgery

Masking - zero or more, internal

A zero or more character wildcard search, containing a wildcard within the term

*

wom*n finds:

• woman

• women

• womyn

Supported at least for single character

• What is the use case for using a wildcard for zero or more characters within a term?

Masking - single characters

A single character wildcard search

?

wom?n finds:

• woman

• women

• womyn

O?brien finds:

• O Brien
• OBrien
• O'Brien

For MARC authority, wom?n seems to find "women" and "womyn" but not "woman" for some reason

Fuzzy logic

Searches for text that matches the term based on relevance (close match), as opposed to an exact match.

~

analytics~ finds:

• analytics

• analyze

• analysis

Seems to be supported, but without operator (see in1330403 in Poppy BF from a search of "analytics")

MARC authority does NOT apply fuzzy logic in searches

*marked as a Medium priority if it is removed from exact phrase searches; may be a use case for wanting to explicitly use fuzzy logic

Proximity

Contains two terms within a specific number of words of each other. Searches terms, not phrases.

~ (followed by proximity value)

“biology diversity”~3 finds:

• Biology: the unity and diversity of life

• Biology: evolution, diversity, and the environment

Does not find:

• How biology and geography shape human diversity

• Conservation biology: the science of scarcity and diversity

Word stemming

Applied by default; unable to disable

• What is the difference between trailing wildcards and stemming?

• What is the difference between stemming and truncation?

Weighting