Chapter 7

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Digitization Phases

Guidelines for materials selection

Acquisition / Development (System Selection)

Circulation Department

Selection of library management system

Installation and Implementation

IMD252

Digital Resource Center

Chapter Contents

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Digitization Phases






There are basically three major phases

of a digitization project:

Phase 1: Preparation for digitization

Phase 2: Processing digitized

materials

Phase 3: Preservation and

maintenance

Digitization Phases

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Digitization Phases

The main activities involved in the first phase

relate to the preparation for digitization, and

the actual process of digitizing materials.

Once a source of materials has been digitized

the second phase begins, which is concerned

with the processing required to make the

digitized materials easily accessible to users.

This involve a number of editorial and

processing activities such as cataloging,

indexing and compression.

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Digitization Phases

End-users can use the digitized materials only

when the digitized materials are properly

processed.

There are other issues too, which come in the

third phase, they relate to the preservation and

maintenance of the digitized collections and

services.

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Whatever the reason for a digitization process’s

origin, the first step is the selection of materials to

be digitized.

Although the process is influenced by a number of

factors:-

i. the objective of the project,

ii. the target users,

iii. the available resources,

iv. time, cost and so on,

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The Technical Advisory Service for Images website

(TASI, 2001) includes a set of guidelines for this

purpose:

Get the copyright situation clear.

Get adequate information about the image to ensure retrieval from a database.

Find out the various image modalities that are available in the collection.

Determine whether it is technically feasible to capture the information.

Determine who will use the images and how.

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Management is responsible for drafting service goals

for the library. These goals include things like :-

• maintaining and strengthening excellent customer

service;

• providing access to accurate,

• timely information for all patrons,

• and keeping pace with technology innovations.

The rapid rise and development of digital libraries has

resulted in the need to develop tools and skill sets relating

to encoding information objects in this new digital format.

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The following list presents considerations that developers must face when developing digital library applications:

How will the content be captured?

What quality controls will be used?

What standards will be adhered to for capture purposes?

What is the organizational basis for the 'collection'?

What are some design considerations for digital libraries?

What are the searching and access capabilities?

How might the contents be best disseminated?

What are the long-term preservation issues for digital libraries?

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The costs associated with scanning existing

materials can be quite high.

Still images can be captured and stored as JPEGs, GIFs, BMPs, or one of the many other common formats. Most of these storage formats are "lossy" in the sense that they must leave some information out to meet the requirements for that format. TIFF formats, which are less lossy, are preferred for quality storage, but these formats must be converted to JPEG or GIF to use them in Web-based delivery systems.

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Preserving digital materials presents real challenges, especially as we encounter changing formats and new standards for encoding, representing/ and archiving digital artifacts.

Combine that with the relatively quick degradation of digital bits on magnetic media and the obsolescence of equipment and software to read digital information/ and one begins to fathom the challenges pose by long-term preservation.

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Committed to serve library patrons by performing

or assisting with various functions related to the

location and circulation of library materials,

which include:

i. Assisting patrons with general questions about

library building and departments, use and policies

and services and resource available.

ii. Loan and receipt of library materials.

iii. Re-shelving of library materials and library shelving

area.

iv. Receipt of fines and charges.

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Guideline on selection of library management system

Cataloging

Circulation

Report/statistic generation

Import/export

Administration

OPAC/webopac

Acquisitions

Serials

1 SYSTEM FUNCTIONALITIES

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Support system expansion/upgrading

Support user customization

Support networking

Compatible with other equipment's

2 FLEXIBILITY/COMPATIBILITY

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Easy to learn

Easy to maintain

East to fix

3 RUNNING ENVIRONMENT

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Basic modules of the library management

system

License statement

Data migration

Installation and maintenance charge

4 PRICING

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Costs of part replacement

Cost of system upgrade

Labor charge for installation and on-site

visit

5 MAINTENANCE AND POST-SALE

CUSTOMER SERVICE

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Time saving

Manpower saving

System response time

Online service

6 PERFORMANCE

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New book display

Feature to support reading

Printing function (ex: spine label printing)

7 OTHERS (LIBRARY DEMAND)

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There are two

main components

of DRC

Also, the database is an integral part of DRC.

Peripheral systems are required at both ends the

server as well as the client end.

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The Server (serve for all files)

Responsible for maintaining the library information and material, and responding to the request of the users (clients).

The centralized system is easier to establish and less expensive to maintain.

Advances in distributed computing suggest that DRC servers be implemented in a distributed manner.

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The Client

The client is a system, which allows the user

to access the library system.

Client agents.

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Library Database System

The database system of DRC is relational, and

an object oriented relational database system.

The elements of the database are objects. All the

library materials are a collection of objects with

relations between them.

Chapter 7

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Transcript of Chapter 7