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Unit Four: Online Catalog: OPAC. Question. Library Catalog (Web version) Topic: “youth suicide” How many records come up? ____ Expand search results by combining “youth suicide” with a synonym like “adolescent suicide.” How many - PowerPoint PPT Presentation
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Unit Four: Online Catalog: OPAC
Question
Library Catalog (Web version)
Topic: “youth suicide” How many records come up? ____
Expand search results by combining “youth suicide” with a synonym like
“adolescent suicide.” How many records appear now? ____
Objectives
Online library catalog What it is What does it contain? Two interfaces How it works
What It Is
Search engine and database of materials the library owns
Identifies a source and tells you where to find it
Each library unique, each online catalog unique
What Does It Contain?
Books (mostly)» Comprehensive, in-depth sources» Diverse viewpoints, balance arguments» Summarize major research to date
Journal titles (but not articles) Government documents, videos,
sound recordings, map records
Two Interfaces
Text version (telnet)» Connect via Web link from library page
Web» Connect via Web link from library page
Text Version
Text or “telnet” connection Requires login (OPAC) Holdings stored in digital format Interface is menu-based Keyboard (arrows/function keys) used to
move, select choices
Web Version
Web connection No login, just link click Holdings stored in html digital format Interface based on graphics, hyperlinks Use links to select choices
Web Vs. Telnet
Web version» + keyword searches broader
(Looks for words in more fields)
» + lets you search more SUNY libraries » + easier to use» - not as quick» - does not include books “on order”
How an Online Catalog Works
Works like any database Content based on “records”
what the database contains
Records composed of “fields” what the record contains
Search Interface that allows user to find data
Records
Contents of a database Books Journal Articles Reports, Gov documents Videos, Recordings Personal resources
Fields
Components of a record Author Title Notes (abstract) Date, publisher Subject field
You can search one field only or several at once (keyword)
Search Interface
Let’s you tell computer how to search» Which words to use» Which fields to look in
– Hatha yoga in title, in subject heading, in keyword
» Expand or reduce results (Boolean searching)– Television OR TV – TV AND children
Provides structure for searches» Search box» Menu options» Help
How Our Online Catalog Works
Use menu or buttons for keyword or single field searching
Expand or reduce search results with AND or OR
Combine fields by using “qualifiers”» au author» ti title» sh subject heading
– au Hemingway and ti sun also rises
Library Catalog – Text Version
SEARCH OPTIONS
Press F10 to access HELP
AU = AUTHOR
TI = TITLE <-----
KE = KEYWORD
CN = CALL NUMBER
SH = SUBJECT HEADING
DT = DOCUMENT TYPE
ENTER YOUR SEARCH : youth suicide
Library Catalog (Web Version)
1. Enter a word or phrase to search
2. Choose a search typeKeyword Subject Author Title
Searching Tips
Youth suicide
Question
Library Catalog (Web version)
Topic: “youth suicide”
How many records come up? 17
Expand search results by combining
“youth suicide” with a synonym like “adolescent suicide.” How many
records appear now? 29
Subject and Keyword Searching Keyword searches several fields in a
document record» Author Title Subject Notes (Abstract)
Subject heading searches only “subject” field» Sometimes called “subject heading”, “descriptor”,
“identifier”» Subject headings must be known, guessed, or
discovered to make a subject search successful
Locating What You Find
“Call numbers” locate an item physically» A-F - first floor» G-P -second floor» Q-Z -third floor
Letters reflect subject » DB -Central European history» PG -Russian literature
Library of Congress (LC) Classification System
A – General works M – Music B – Philosophy N – Visual Arts C - History (Biog) P – Lang/Lit D – History – general Q – Sciences E-F – History (American R – Medicine G – Geography S – Agriculture H – Social Sciences T – Technology J – Political Science U – Military science K – Law V – Naval science L - Education
LC Classification and Categories
H – Social sciences» HD – Economic history and
conditions–HD 232- HD473 –-Industry
HD 233- HD236 –---Household industry» HD 236.3 ------------- Telecommunications
Move from broad to specific
Call Numbers
Detailed letter number combination to let you find individual book
H – Social sciences (and business) HD – Economic history and conditions HD 232- HD473 – Industry HD 233- HD236 – Household industry HD 236.3 - Telecommunications
HD236.3.L86
“Topics in Teleworking” by John Lenox
This Week’s Assignment
Searchthe Online Catalog» Field searching by
– Author, title, subject, keyword, document type
» Combination searching using– AND, OR– Qualifiers au ti sh dt
TILT Lite Reminder
Complete the TILT Lite tutorial» Introduction» Module 1
Access TILT Lite via LIB101 Web page
Complete quiz at end of tutorial» Hand in quiz results to me at next class
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