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Command Search

A command search can be done in the search box on the New Search screen or in any of the search boxes on the Advanced Search Screen. To do a command search, use a colon after an index label (for example, au:) followed by the search term. Boolean operators can also be used.

If you enter:	You retrieve:
aw:collins AND ht:"precast concrete"	records containing Collins as the Author and precast concrete as a TRT term
jn:"journal of hydraulic engineering" AND sw:"neural networks"	records containing Journal of Hydraulic Engineering as the journal title and neural networks as a subject (including trt terms)

Field Names / Search Indexes	Labels	Sample Data	Notes
All Keywords	kw:		Includes All Title Keywords, All Author Keywords, All Subject Keywords, Abstract, Table of Contents (N), and Source (N)
All Title Keywords	tw:	garde mobile	Includes Title, Foreign Title, Journal Title, and Conference Title
Title	ti:	garde mobile	Includes Foreign Title
Journal Title (T)	jn:	Transportation Research Record
Conference Title (T)	ct:	Human Factors Society
All Author Keywords	aw:	Stuart	For T, includes Personal Name Author, Corporate Author/Publisher, and Conference Sponsor For N, include Personal Creator, Personal Name Contributor, Corporate Creator, and Corporate Contributor
Personal Creator (N) / Personal Name Author (T)	au:	Han
Personal Name Contributor (N)	pc:	Smith
Corporate Author (N ) Corporate Author / Publisher (T)	ca:	Transportation Research Board	For N, includes Corporate Creator and Corporate Contributor
Corporate Creator (N)	cn:	California Energy Commission
Corporate Contributor (N)	cc:	Federal Transit Administration
Conference Sponsor(T)	cs:	Wessex Institute of Technology
All Subject Keywords	sw:	cement	For T, includes Subject Areas, TRT Keywords, and Other Terms For N, include General Subject, Classification, and TRT Keywords
General Subjects (N)	su:	hybrid
Subject Areas (T)			Browseable Only
Classification (N)	ho:	Statistics
TRT Keywords	ht:	Freight transportation
TRT Notatation Code	hc:	Ajf

Abstract	ab:	Traffic flow models
Availability	av:	National Technical Information Service
Conference Date	cd:	20050712
Conference Location	cl:	Pittsburgh
Contract/Grant Number	co:
Full Text (N)	tt:	Rhode Island	Searches all pdf, word, and html files
Geographical Coverage	gc:	United States
ISBN	nb:	1845640101
ISSN	ns:	0738-6826
Media Type	mt:
NTL Record ID (N)	id:	23378
OCLC Number	oc:
Publisher (N)	pb:	Mineta Transportation Institute
Report Number	rn:	FHWA/CA/OR-2002/34
Resource Type (N)	rt:	Proceedings
Source (N)			Notes field for N
Table of Contents (N)	tc:
TRIS file (T)	sf:	BTRIS
TRIS Online Accession No	an:	00982032
URL / Resource Identifier	ri:	www.fhwa.dot.gov	Do not include "http://"
Year	yr:	1989

Legend: T = TRIS Online and N = NTL Catalogs

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