Whereas general Dialog protocol applies to all databases, the bluesheets offer guidelines in the use of individual files. They also provide a more background information about these files than is available through the Dialog Database Catalogue. Any searcher who wishes to achieve optimum accuracy and efficiency in a Dialog session should consult the applicable bluesheet prior to logging on.
Sections:
Subject
Coverage
Sources
Dialog
File Data
Origin
(producer)
Sample
Record
Search
Options
Direct
Record Access
Represent additional indexes beyond the Basic (subject) Index. Typical examples (these is some degree of variance between databases):
AU=
Author
JN=
Journal Name
BN=
International Standard Book Number (ISBN)
DC=
Descriptor Code
ED=
Edition
LA=
Language
LC=
Library of Congress (LC) Card Numbe
PD=
Publication Date
PN=
Product Name
PU=
Publisher
PY=
Publication Year
SE=
Series Title
UD=
Update
Examples: SS AU=HEMINGWAY; SS AU=HERSHEY, ROBERT?;
SS PY=1982; PY=1982:1985
Must be consulted prior to employing the "Type" command. Refer to the portion of the record desired by the searcher. Vary from one database to another. Typically designated format numbers:
3 -
Bibliographic Reference
5 -
Full Record (numbers 7 and/or 9 in some files)
6 -
Title Only
8 -
Title and Indexing Terms