Advanced Search Field Tags

Use these two-character field tags to return more relevant results when building advanced search queries.

Field Tag



Searches for institution and/or place names in the Addresses field.

AI=Author Identifiers

Searches for Web of Science ResearcherID numbers and ORCID identifiers in the Author Identifiers table within a record. Enter a unique Web of Science ResearcherID number or ORCID identifier with the AI field tag.

AN=Patent Assignee Name

Searches for assignee names in the Patent Assignee field within a record.

AU=Author / Inventor

Searches for names in the following fields within a record. Author(s) Additional Author(s) Group Author(s) Inventor(s) Last names containing a space should be searched with and without the space to ensure that all relevant records are returned. For example: AU=(De Marco* OR DeMarco*) AU=(Van Hecke T* OR Vanhecke T*) See also Guidelines for Searching Names.


Searches for descriptors in the Headings and Keywords fields within a record.


Searches for editor names in the Editor(s) field within a record. For example: See also Guidelines for Searching Names

FS=FSTA Sections

Searches for sections and subsections in the FSTA Section and FSTA Subsection fields within a record.

GP=Group Author

Searches for corporation and institution names in the Group Author(s) field within a record. For example: Group Author(s): World Values Study Group; Social Insurance Institution of Finland; Research Institute of the Evangelic-Lutheran Church of Finland; TNS Gallup Finland; Finnish Social Science Data Archive

IC=Identifying Codes

Searches for codes in the following fields within a record. Accession Number (FSTA Number) ISBN ISSN Patent Number


Searches the ISSN field within a record. The ISSN (International Standard Serial Number) searches for periodical publications such as journals and electronic publications. If a journal has both a print ISSN and an electronic ISSN, then both display in the Full Record. The format is four numbers, a hyphen (-), three numbers, and then a check character that may be a number or X.


Searches the ISBN field within a record. The ISBN (International Standard Book Number) searches for books. It is a unique machine-readable identifier that marks a book unmistakably. The format is a 10-digit number that contains 3 hyphens (-). The last digit is a check character, which may be a number or an X. The position of the hyphens can vary for each ISBN identifier.

PY=Year Published

Searches the Source Published field within a record. You must combine this field tag with another field tag using the AND or NOT Boolean operator. Example: TS=cell growth AND PY=2007 When entering a range of years, restrict your search to five years or less; otherwise, processing slows down and the product returns too many unproductive results. Example: TS=cell growth AND PY=(2008-2010)

SO=Publication Name

Searches for publication names in the Source field within a record. The product retrieves all source titles within a product database (for example, journal titles and/or book titles if the product includes books).

SU=Research Area

Searches the Research Areas field.


Searches the Title field within a record.


Searches for topic terms in the following fields within a record. Title Abstract Descriptors Foreign Title Headings Keywords Commercial Names Conference information such as the title, sponsor, location, and date is included in the Abstract for the Conference Proceedings document type. Use the TS field tag to search for conference information that appears in the Abstract of a record.

UT=Accession Number

Searches the Accession Number field within a record. The accession number is a unique identifying number associated with each record in the product. It consists of a product identification code, a product year, and an item number