Online Retrieval: A Dialogue of Theory and Practice (Google eBook)

Front Cover
Libraries Unlimited, 1999 - Computers - 312 pages
2 Reviews

Designed to assist beginning searchers, whether they are students or practitioners, this text offers a comprehensive introduction to online systems that primarily provide information in the form of bibliographic citations. Walker and Janes give basic how-to information on the use of online systems, discuss topics for which there are no accepted paradigms, and present alternative points of view within a framework of previous research. Expanding on their immensely popular and critically acclaimed first edition, the authors have added extensive new material addressing Internet search and retrieval techniques as well as the more traditional Dialog and Lexis-Nexis services. Invaluable as a textbook for students in online retrieval courses, practicing librarians, and online searchers in library settings, this book can be used as a quick reference tool and as a handy guide for in-service training. Information seekers who want to perform their own searches for bibliographic information using an online sea

  

What people are saying - Write a review

LibraryThing Review

User Review  - rampaginglibrarian - LibraryThing

This was the textbook we used for my database online search class--my how things have changed--and believe it or not--we librarians still have many tools and techniques at our disposal that will prove ... Read full review

Review: Online Retrieval: A Dialogue of Theory and Practice

User Review  - Melissa Rosales - Goodreads

Okay, it wasn't totally AMAZING. but I like this book. It's heavy on Dialog. A large percentage of it focuses on command-based queries of DialogClassic, proximity and Booleaning and whatnot... which is amazing? "We want to search for concepts, but we are forced to search for words." Read full review

Contents

THE SEARCH FOR INFORMATION IN THE ONLINE AGE Information Overload
1
What Information Can You Find Online?
2
Bibliographic Information
3
FullText Records
5
Directory Information
7
Numeric Data
9
How Does Information Retrieval Work?
13
Information Seeking
16
Explode
126
EXPAND
127
Search Example
130
Controlled Vocabulary Searching on the Internet
137
Additional Reading
138
SEARCHING USING FREE TEXT Proximity Operators
139
Why Use FreeText Searching?
146
Problems with FreeText Searching False Drops
149

Notes
18
Additional Reading
19
DEVELOPMENTS IN INFORMATION RETRIEVAL Problems with PreCoordinate Systems
21
PostCoordinate Retrieval Systems
23
Computer Retrieval Systems
24
Online Retrieval Systems
25
Growth of Online Systems
26
Data
28
Networks Putting It All Together
29
Additional Reading
30
GOING ONLINE Getting Connected
31
Modems
33
Telecommunications
35
Communications Software
36
Search Databases
38
What Will Happen in the Future?
39
Additional Reading
40
ONLINE INFORMATION
41
Digital Libraries
42
Gateways for the General User
44
Information on the Internet
47
Search Engines
48
MenuDriven Systems
49
CommandDriven Systems
51
Additional Reading
53
DATABASE CONSTRUCTION AND STRUCTURE Inverted Files
55
Why Inverted Files Arent Panaceas
62
Two Kinds of Structure
63
Overhead Issues
73
Additional Reading
74
SEARCH TECHNIQUE
75
Concept Analysis
80
Term Selection
81
Boolean Logic and Boolean Searching
83
OR
84
AND
85
NOT
86
Order of Operation
87
Most Specific First
89
LoggingOn Protocols and Choosing a File BEGIN
90
Choosing Search Terms SELECT
91
Truncation ?
93
Viewing Results TYPE
96
Viewing Searches DISPLAY SETS
104
Leaving the System LOGOFF
106
The Internet
107
Internet Search Engine Technique
109
Ranking of Retrieved Documents
111
Truncation
112
Searching Using Structure
113
Additional Reading
114
USING CONTROLLED VOCABULARY Why Controlled Vocabulary Searching?
115
Thesaurus Structure and Use
116
Searching Bound Descriptors
122
Using Qualifiers Suffix Searching
123
Major Descriptors
125
Good Places to Use FreeText Searching
151
Broadening and Narrowing Searches
152
Search Example
164
The Internet
172
Notes
174
Additional Reading
175
ADDITIONAL SEARCH FEATURES Search Features Prefix Codes
177
Limiting
181
KEEP
184
TARGET
185
RANK
189
Special Formats
193
SORT
198
REPORT
200
Getting Search Results
203
BEYOND THE BASIC SEARCH
205
Choosing Databases
206
DIALINDEX
207
Journal Name Finder
210
Saving Searches SAVE
212
OneSearch
217
Problems of Multifile Searching
220
Search Example
221
Additional Reading
225
SEARCHING OTHER KINDS OF DATABASES Reference and Directory Files
227
FullText Databases
237
Citation Databases
247
Notes
260
Additional Reading
261
EVALUATING YOUR RESULTS The Basic Measures Precision and Recall
263
The RecallPrecision Tradeoff
264
Other Measures of Performance
266
SelfEvaluation
267
Research and Theoretical Notions of Evaluation
268
Notes
270
Additional Reading
271
RUNNING A LIBRARY SEARCH SERVICE The Allocation of Resources
273
Policies and Administration
274
Models of the Reference Process
279
Explaining Online Systems
281
Negotiating Search Terms
282
CDROM User Training
284
Notes
285
Additional Reading
286
RUNNING YOUR OWN SEARCH SERVICE Making a Business Plan
287
Making a Budget
289
Marketing
290
Fees and Charges
291
Copyright
292
Ethics and Confidentiality
293
Notes
294
Additional Reading
295
GLOSSARY OF ONLINE TERMS
297
Index
307
Copyright

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About the author (1999)

The late GERALDENE WALKER was Assistant Professor, School of Information Science and Policy, University of New York at Albany.JOSEPH JANES is Assistant Professor, School of Information and Library Science, University of Washington, Seattle.

Bibliographic information