Dissemination & access A convergence of two histories.

Dissemination & Dissemination & accessaccessA convergence of two histories

History of computers (1)

History of computers (2)

Charles Babbage&

Lady Lovelace

Vacuum tubes1937 - 1959

Herman Hollerith&

1890 census

1800s … 1930 1940 1950 1960 1970

Transistors1960 - 1965

Integrated circuits1966 - 1973

Micros1974-

Database timeline

1960 1970 1980 1990 2000

Batch-modecomputing

1964 Online1972 Networks

1975

Write remote location w/ query – 2-week turn-around time

interactive1971 NASA Recon ► DIALOG required long-distance call

packet-switched networks take hold

Database timeline

1960 1970 1980 1990 2000

Batch-modecomputing

1964 Online1972 Networks

1975 End users1983 CD-ROM

1985 LAN1990 WWW

1992

No expert mediation needed

ERIC locally-mounted; searched via OPAC ; Gopher

Print-based sources - advantages

No equipment required

Familiar; little training required

Available any time

Older information available

Library owns the materials

PsychologicalAbtracts

IndexMedicus

Print-based databases -disadvantages

Space

Searching tedious, time consuming

Physical processing required

Each volume separate (must repeat searches)

Must photocopy references

Patron must come to library to use

Online databases (e.g. DIALOG) - Advantages

Up-to-date?

Little space required

Pay-for-use

Multiple access points

Online databases (e.g. DIALOG) - Advantages (cont'd)

Many databases per host

Volumes cumulated

May merge products

Results can be printed/downloaded

Online databases (e.g. DIALOG) - disadvantages

Mostly recent information

Requires telephone or Internet connection

Relies on network

Relies on host

Online databases (e.g. DIALOG) - Disadvantages (cont'd)

Pay-for-use hard to budget

Requires training, practice

Access speed could be slow

S SOFTWARE(W)ENGINEERING/TI,DE

$6.48 Estimated cost File 149$3.35 Estimated cost File 73$9.83 Estimated cost this search

CD-ROM - advantages

Fixed price

Patrons like it - "free"


Volumes cumulated

Available any time library open

Software for end users

CD-ROM - disadvantages

Prices high

May only lease

Multiple disks

May be one user per disk

CD-ROM - disadvantages

Some training & support required

Installation may not be easy because not standardized

Limited number of products

Not as up-to-date as online

Locally-mounted databases - advantages

Widespread access

Lease tape or download and load on local OPAC

Cost-effective for high volume

Consistent interface

Locally-mounted databases - disadvantages

Unsophisticated search engine on local OPAC

Not as up-to-date as online

Must load updates locally

Web-based remote databases - advantages

Up-to-date?

Hardware: standard p.c. with network interface card


May have multiple databases per host

Web-based remote databases - advantages

Volumes cumulated

Results printed or downloaded

Multiple synchronous users

Users familiar with interface

Web-based remote databases - disadvantages

Prices high

Do not own data

Limited number of products compared to print

Access dependent on Internet connectivity

Greater bandwidth needed

Ideal situationOne interface for all databases

Locally-m ounteddatabases

C D -R O M O PAC O nlinedatabases

W eb-baseddatabases

U serinterface

Z39.50One interface for many library catalogs

Library of Congress Z39.50 Gateway

INNOPAC

SirsiDynix

Voyager


Brief record

Gone with the wind

TITLE




Adelphi without Z39.50


Z39.50

Z39.50• Each OPAC software package

conforms to set of standards

• Standards are presented in ANSI/NISO Z39.50-2003

• Allows Z39.50 gateway to present query to database and database to respond following protocol both can understand

• Requests for bids should include Z39.50 compliance

Using citation and abstract indexes – the old way

Psychological abstracts. BF1 .P65



Stress and Graduate School

Cacaophilia, Candace. 2001. Use of chocolate by LIS graduate students to alleviate stress. Stress and health 17(1):11-99.



Using citation and abstract indexes – the old way

Stress and health. R726.5 .S8


Stress and Health

Use of chocolate by LIS graduate students to alleviate stress

by Cacaophilia, Candace

One hundred twenty-eight LIS graduate students surveyed reported that …




Using citation and abstract indexes – with first OPACs








Using citation and abstract indexes – with first OPACs

Stress and Health









Using electronic citation and abstract indexes

Stress and Health

Use of chocolate by LIS graduate students to alleviate stressby Cacaophilia, Candace


Use of chocolate by LIS graduate students to alleviate stressby Cacaophilia, Candace


PsycINFO

Use of chocolate by LIS

Living with stress in school

How graduate school drove me

Stress and healthR726.5 .S8

Adding full text databases

PsycINFO

Use of chocolate by LIS …


How graduate school drove me

Academic Search PremierUse of chocolate by LIS …

Use of chocolate by LIS graduate students to

alleviate stressby Cacaophilia, Candace


Use of chocolate by LIS graduate students to

alleviate stressby Cacaophilia, Candace


EBSCOhost

Citation and abstracts database

Partial full-text database

Adding full text databases

PsycINFO

Use of chocolate by LIS …


How graduate school drove meWhy can’t we

click on citation and be taken to the full-text of the article paid

for by the library?

Why can’t we click on citation and be taken to the full-text of the article paid

for by the library?

Citation and abstracts database

Question: Question:

How do we get from citation to full text?

doi:10.1300/J104v29n01_02

?

Digital Object Identifier (DOI)

Title: LCSH: semantics, syntax and specificity

Author: Svenonius, E Source: Cataloging and Classification

Quarterly; 29 (1/2) 2000, p.17-30



Quarterly; 29 (1/2) 2000, p.17-30

DOI: 10.1300/J104v29n01_02

part of a system for identifying content objects in the digital environment

Digital Object Identifier (DOI) Characteristics

• Unique IdentificationUnique Identification – Denotes one and only one entity

• PersistencePersistence – Denotes the same item indefinitely (never re-assigned)

• ResolutionResolution – DOI serves as input to a system that returns metadata about the object, including current location

• InteroperableInteroperable – Once assigned, DOI can be utilized in a variety of systems

Digital Object Identifier (DOI)Title: LCSH: semantics, syntax and

specificity Author: Svenonius, E Source: Cataloging and Classification

Quarterly; 29 (1/2) 2000, p.17-30



Quarterly; 29 (1/2) 2000, p.17-30

DOI: 10.1300/J104v29n01_02

Prefix: PublisherPrefix:

PublisherSuffix: Identifier

for objectSuffix: Identifier

for object

International DOI Foundation (IDF)http://www.doi.org/

Provides infrastructure and sets rules for the DOI system.

Resolving a DOI at http://www.doi.org/

10.1300/j104v29n01_02



International DOI Foundation (IDF)

RegistrationAgency

RegistrationAgency

RegistrationAgency

RegistrationAgency

http://www.crossref.org


10.1300/J104v29n01_02

10.1300/j104v29n01_02




Publisher Publisher Publisher Publisher

prefixprefix prefix

prefix


Publisher Publisher Publisher Publisher

DOIs +

metadata

DOIs +

metadataDOIs

+metadata

DOIs +

metadata

DOI as part of URLhttp://dx.doi.org/10.1300/J104v29n01_02

http://dx.doi.org/10.1300/J104v29n01_02

Appropriate copy problem

User

UH Libraries

Web server

Publisher

Full-textaggregator

Full-textaggregator

Full-textaggregator

Citationdatabase

? ?

??

EBSCO

CSA


User

UH Libraries

Web server

Publisher

Full-textaggregator

Full-textaggregator

Full-textaggregator

Citationdatabase

Access denied


User

UH Libraries

Web server

Publisher

Full-textaggregator

Full-textaggregator

Full-textaggregatorCitation

database

LinkResolver


Citationdatabase

LinkResolver

UHKnowledge

Base

UH Libraries

Web server

User

1

2

3


Citationdatabase

LinkResolver

1OpenURL

OpenURL

Three possible parts:

Address of the link resolver

Identifier of resource where user clicks the OpenURL

Metadata

OpenURL

<http://VD2YN4ULBU.search.serialssolutions.com/?atitle=Cultural+Values+and+Happiness%3A++An+East-West+Dialogue&volume=141&issue=4&date=2001&spage=477&aulast=Lu&aufirst=Luo&issn=0022-4545&title=The+Journal+of+social+psychology>

OpenURL<http://VD2YN4ULBU.search.serialssolutions.com/?atitle=Cultural+Values+and+Happiness%3A++An+East-West+Dialogue&volume=141&issue=4&date=2001&spage=477&aulast=Lu&aufirst=Luo&issn=0022-4545&title=The+Journal+of+social+psychology>

URL for the link server

Article title

Author’s last name

Link resolver

Date post:	28-Dec-2015
Category:	Documents
Upload:	conrad-bell
View:	219 times
Download:	0 times

Dissemination & access A convergence of two histories.

Documents