Search limits available by database

Use limits to further define your desired search results. Specific limits are available on the Quick search page. Expert searches can be limited only by Publication year range and database updates.

Date

You can limit your search to a specific publication year range or database updates.

Document type

Document types are used to describe the type of source publications from which indexed papers are taken.

Language

You can limit your search to any language listed in the Quick search drop-down menu:

Note You may search the language field for all databases via Quick search. However, not all databases contain every language (e.g. Italian is not available for all databases). To search for more than one language, or to search for additional languages not listed in the Quick search drop-down menu, use Expert search. A complete list of available languages within the various databases is in the Language Browse Index in Expert search.

Treatment type

The treatment type is used to specify the slant or approach taken in the document.

Note Treatment types are only applicable to Compendex and Inspec.

Discipline type

Discipline types are used to restrict the search to one of five main subject areas.

Note Discipline types are only applicable to Inspec.

The chart below shows search limits available by database. Click a link to read detailed information about the search limits in that database.

Note Search limits that are available are restricted to limits common to the combination of databases you select.

Database Search limits available
CBNB search limits Document type, Language, Date (Published date or Database updates)
Chimica search limits Language, Date (Published date or Database updates)
Compendex and EI Backfile search limits Document type, Treatment Type, Language, Date (Published date or Database updates)
EnCompassLIT search limits Document type, Language, Date (Published date or Database updates)
EnCompassPAT search limits Language, Date (Published date or Database updates)
EP Patents search limits Document type, Language, Date (Published date or Database updates)
GEOBASE search limits

Document type, Language, Date (Published date or Database updates)

See also GEOBASE Special Index Fields

GeoRef search limits Document type, Language, Date (Published date or Database updates)
Inspec and Inspec Archive search limits Document type, Language, Treatment Type, Discipline type, Date (Published date or Database updates)
Knovel search limits Document type, Language, Date (Published date or Database updates)
NTIS search limits Language, Date (Published date or Database updates)
PaperChem search limits Document type, Language, Date (Published date or Database updates)
US Patents search limits Document type, Language, Date (Published date or Database updates)

 

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