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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 |
Personal Creator (N) / Personal Name Author (T) |
au: |
Han |
|
Personal Name Contributor (N) |
pc: |
Smith |
|
Corporate Author (N ) |
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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