Types of Information Types of Information SystemsSystems

Dr. D. Bilal

IS 592

Spring 2005

Decision Support System: DSS

Provides interactive models to help managers make better decisions

Often used by middle and upper managers

Executive Support System: ESS

Sophisticated version of a DSS Used to match top managerial needs

Expert System: ES

Knowledge of experts is captured in a computer to solve problems

Based on Artificial Intelligence to recognize, formulate, solve problems, and learn from experience

Transaction Processing Systems: TPS

Designed to handle a large volume of transactions: – Billing, payroll, order tracking and processing,

accounts payable and receivable, securities, trading and cash management, etc.

Operations Information Systems: OIS

Gathers comprehensive data, organizes it and summarizes it in a form valuable to managers.

Provides sales, inventory, performance- oriented data, customer service and productivity information, etc.

Office Automation System: OAD

Performs a variety of activities based on its purpose: – word processing, electronic booking,

appointments, document imaging, etc.

Definitions

Automation Library automation Automated System

– Software– Hardware

Online catalog– Opac

Types of automated systems

In terms of function:– Stand-alone

• Characteristics

– Integrated• Characteristics

Types of automated systems

In terms of interface:– Character-based (becoming obsolete)– Windows-based– Web-based

Types of automated systems

In terms of platforms– PC– Macintosh

Modules

OPAC Circulation Cataloging Acquisitions Serials Other

Function of OPAC

Information access to local collection Information access to external collections Known as the online public access catalog It is part of the online catalog that users

access to locate library materials

Function of circulation

Check-in Check-out Item hold Item reserve Item recall

Function of circulation

Fines Overdues Statistics about collection use

– In house– Outside library

Management

Function of cataloging

Input new items (original cataloging) Revise the cataloging of existing items File saved records Import/export of MARC records Search and retrieval

Function of acquisitions

Item ordering Item receipt Item claims Item cancellation Item verification Management

Function of serials

Serials check-in Serials routing Serials claim Serials cancellation Serials renewal Management

Benefits of Library Automation

Provides enhanced use of a collection Eliminates routine tasks Expedites and simplifies tasks Allows for resource sharing (ILL, Union

catalogs) Allows for collection mapping

Benefits of Library Automation

Frees cataloging time Reduces amount of time spent on ordering

and processing material Provides access to and inclusion of Web

resources

Pitfalls of Library Automation

Time-consuming Costly New tasks (e.g., problem-shooting of

software & hardware; training) Access to a collection can be denied when

the system is down