Manager's Guide to Making Decisions about Information Systems

Manager's Guide to Making Decisions about Information Systems

Paul Gray

John Wiley & Sons Inc

09/2005

352

Dura

Inglês

9780471263593

15 a 20 dias

780

Descrição não disponível.
Chapter 1 What Is An Information System? 1

Managerial Questions 1

Introduction 1

What is an Information System? 2

Components of an Information System 2

Hardware 3

Personal Computers 3

Mainframe Computers 3

Client-Server Computers 4

Remote Computing Using Application Service Providers, Web Services, and Grid Computing 4

Software 5

Operating Systems 5

Applications Programs 5

Electronic Commerce (Chapter 3) 7

ERP (Enterprise Requirements Planning) (Chapter 4) 7

Data Warehousing (Chapter 5) 8

Customer Relationship Management (Chapter 6) 8

Knowledge Management (Chapter 7) 9

Business Intelligence (Chapter 8) 10

The Internet 11

Websites 11

Connectivity 11

Finding Things Using Search Engines 12

Content Management 12

Intranet/Extranet 12

Privacy 12

Security 12

Corporate Portals 13

Website Development 13

Website Traffic Analysis 13

Answers to Managerial Questions 14

Chapter 2 the Big Picture: It and Business 15

Managerial Questions 15

Introduction 15

Strategic Advantage Versus Strategic Necessity 15

Continual Improvement 17

Introducing Strategic Information Systems 17

Risks 19

Business-it Alignment 20

Assessing the Alignment Maturity Level 21

Alignment Considerations 21

Alignment when Strategy Changes 21

Information Economics 23

The Search for Productivity 23

Why Invest? 25

Organizational Change 25

Some Practical Problems 26

Does Information Technology Matter? 26

Carr's Argument 26

The Response to Carr 27

This Book's Position 27

The Arguments for Carr 27

The Arguments against Carr's Position 28

Types of Information Systems 29

Transaction Processing Systems 29

Management Information Systems 30

Decision Support Systems 30

Knowledge-Based and Other Systems 30

Interorganizational Computing 30

Replacing Intermediation through Electronic Markets 31

Key Issues 32

Application and Technology Developments 34

Answers to Managerial Questions 35

Problems 36

Chapter 3 Electronic Commerce 37

Managerial Questions 37

Introduction 37

What is Involved in E-commerce? 39

Some E-commerce Statistics 39

Retail 40

Business to Business (B2B) 40

Technology 40

Benefits and Costs 41

Benefits 41

Costs 41

Business to Consumer (B2C) 43

Infrastructure 43

Electronic Retail Business Model 44

Information Transactions 45

Advertising 45

Impact on Retail Distribution 46

B2C in Service Industries 46

Cybermalls and Metamalls 47

Business to Business (B2B) 47

Structure of the E-marketplace 48

Electronic Data Interchange (EDI) 48

Moving to the Internet 48

Interorganizational Systems 48

Electronic Markets 50

Consumer to Consumer (C2C): The Case of Ebay 52

Consumer to Government (C2G): The Case of Wireless and 911 53

E-commerce Strategies 53

Conclusions 55

Answers to Managerial Questions 55

Problems 56

Chapter 4 Enterprise Requirements Planning 58

Managerial Questions 58

Introduction 58

How Sap Works 59

Cultural Problems of Implementation 61

ERP Vendors 62

Costs 62

Benefits 64

The Markus and Tanis View of the ERP Experience 64

Integration 65

Packages 65

Best Practices 65

Some Assembly Required 65

Reasons for Adopting or Not Adopting ERP 66

Adopting ERP 66

Not Adopting ERP 66

The ERP Team 67

The Future: ERP II 71

Final Thoughts 71

Answers to Managerial Questions 72

Problems 73

Chapter 5 Data Warehousing 74

Managerial Questions 74

Introduction 74

Definition of a Data Warehouse 75

Characteristics of a Data Warehouse 75

Subject Orientation 76

Data Integration 77

Time 78

Nonvolatile Data 78

Structure of the Data Warehouse 79

Metadata 80

Flow of Data 81

Why a Separate Warehouse? 81

Other Forms of Data Warehouses 82

Application: Online Analytic Processing 84

Application: Data Mining 86

Application: Customer Relationship Management 87

Application: Business Intelligence 88

Strategic Use 89

Managing the Data Warehouse 90

Why Warehouse Projects Can Fail 92

Data Warehousing Costs 93

The Data Warehousing Industry 94

Benefits and Problems 94

Answers to Managerial Questions 94

Problems 95

Chapter 6 Customer Relationship Management 96

Managerial Questions 96

Introduction 96

History of the CRM Market 97

The CRM Approach 99

Basic Assumptions of CRM 99

Customer 100

Relationship 100

Management 100

Drivers for CRM Applications 102

Revenue and Cost Goals 103

Principles of CRM 103

Technology and Service 104

Information Technologies for CRM 104

Key Tasks 104

IT Factors of CRM 105

Consultants 106

Return on Investment of Implementation 106

Cost and Time 106

Benefits 107

ROI of CRM Project 108

CRM Issues 109

Customer Privacy 109

Technical Immaturity 109

CRM Myths 110

The Importance of Channels 111

Vendors 111

Management Risks 112

Conclusions 115

Answers to Managerial Questions 115

Problems 115

Chapter 7 Knowledge Management 117

Managerial Questions 117

Introduction 117

Claims 118

Role of Information Technology 118

Principles of Knowledge Management 119

Knowledge Strategies 120

Leverage 120

Fragmentation, Leakage, Refreshment 120

Uncertain Value 120

Uncertainty in Value Sharing 121

Implications 121

Tacit Versus Explicit Knowledge 121

A Hierarchy of Knowledge 123

Generating Knowledge 123

Knowledge Acquisition 124

Dedicated Resources 125

Fusion 126

Adaptation 127

Networks 127

Transferring Knowledge 127

Personnel Issues 128

Km as an Industry 129

Technology 130

When Knowledge Management Makes Sense 134

Answers to Managerial Questions 135

Problems 136

Chapter 8 Business Intelligence 137

Managerial Questions 137

Introduction 137

Definition 137

Relation to other Software 138

What Can BI Do? 138

BI Technology 140

OLAP 144

Other Data Sources 147

Example: Competitive Intelligence 148

Example: Financial Analytics 150

Potential and Shortcomings 150

Return on Investment 151

Building a Business Intelligence System 152

The Business Intelligence Industry 153

Emerging Ideas in Business Intelligence 155

BI Everywhere 155

Business Process Management and Business Activity Monitoring 156

Answers to Managerial Questions 158

Problems 159

Chapter 9 Outsourcing and Its Variations: Letting Someone else Do the Work 161

Managerial Questions 161

Introduction 161

Origins of Outsourcing 162

Offshore Outsourcing 162

Outsourcing Considerations 164

A Typical Domestic Large Outsourcing Project 164

The Size of the Outsourcing Market 165

Why Outsource? 165

The Central Role of the Contract 166

Managing the Outsourcer Once the Contract Is Signed 167

Controls 169

Bottom Line on Outsourcing 170

Outsourcing the Infrastructure: Web Hosting Service Providers, Web Services, and Utility Computing 170

The Outsourcers 171

Web Hosting 171

Service Providers (xSPs) 171

Rationale 172

Should You Hire an xSP? 173

Web Services 173

Definition and Implication of Web Services 174

Running Computing as a Utility 176

Why Do It? 176

Implementing the Utility Approach 176

Stages of Utility Computing 176

Alternative Approaches 177

Risks of ASPs and Utilities 177

Answers to Managerial Issues 180

Problems 181

Chapter 10 Working Together: Systems Integration, Interorganizational Systems, Alliances, and Globalization 182

Managerial Questions 182

Introduction 182

Systems Integration 183

Definition 183

Objective 184

The Concept 184

Integrating the Enterprise 184

Integrating the Technology 185

Integration of Data, Application, and Processes 185

Aspects of Systems Integration 188

Enterprise Computing 188

Lessons Learned from Experience 189

The Systems Integration Industry 189

Management Strategy for Integration 190

Interorganizational Systems 191

Readiness 192

Control 192

Who Benefits? 194

Alliances 194

Globalization 194

Bringing in Immigrants, Moving Work Abroad 196

Privacy Rules and Transborder Data Flows 196

Answers to Managerial Questions 198

Problems 199

Chapter 11 Is in Managing Business Operations: the Supply Chain 200

Managerial Questions 200

Introduction 200

The Supply Chain 201

Software's Role 202

Why Install Supply Chain Software? 203

Cooperation 203

Manufacturing 204

Overview 204

Cad 204

Cam 205

Just-in-Time Manufacturing 205

Inventory 206

Role of ERP 207

Role of Data Warehousing 207

Challenges to Implementation 208

Other Problems Along the Supply Chain 209

Demand Forecasting 209

What Is the Payoff From Information Systems In the Supply Chain? 210

Returns 213

The Supply Chain Market 213

Major Firms in the Supply Chain Market 214

Answers to Managerial Questions 215

Problems 215

Chapter 12 The Chief Information Officer, People Issues, Project Management, Change Management 216

Managerial Questions 216

Introduction 216

Chief Information Officer 217

Managing Expectations 217

Chief Technology Officer 218

Governance and Steering Committees 219

What Is People Need to Know 219

Create Programs 220

Manage Vendors and Outsourcers 220

Customize Programs to the Firm's Needs 220

Know the Needs of the Business 220

Business Processes 220

Communicating with the User Community 221

Maintaining the Corporate Data 221

Maintaining Corporate Telecommunications 221

Integrating Systems 221

Managing E-mail and Internet Usage 222

Managing the Firm's Web Presence 222

Managing Computer Security 222

Documentation, Updates, and Training 222

Maintaining and Running the Computers 223

Help Desk 223

Role of Educational Institutions 224

Project Management 224

The Project Manager 226

Change Management 227

Conclusions 229

Answers to Managerial Questions 229

Problems 230

Chapter 13 Information Systems in Mergers and Acquisitions 231

Managerial Questions 231

Introduction 231

Why Merge? 231

Effect of Merger on Information Systems 232

Merger Principles 233

The Merger Process 233

Security Issues 234

Cultural Considerations 235

Implications of Cases 237

Answers to Managerial Questions 237

Problems 238

Chapter 14 Work Systems and Infrastructure 239

Managerial Questions 239

Introduction 239

Work System 240

Infrastructure 241

What Is Infrastructure? 241

The Infrastructure Portfolio 243

Infrastructure Architecture 244

Infrastructure Investment Strategies 244

Making Infrastructure Investment Decisions 245

Infrastructure Capabilities 246

Work Systems 246

Fundamental Concepts of Work Systems 247

Relations among the Concepts 249

Technical Considerations for IS Work System Projects 253

Answers to Managerial Questions 254

Problems 255

Chapter 15 Privacy, Security, Copyright, Patents, and other Legal And Ethical Issues 256

Managerial Questions 256

Introduction 256

Privacy 257

Privacy Statements 258

Surveillance 259

Privacy versus Convenience 261

CRM, Data Warehousing, and Other Large Databases 261

Security 261

Controls 262

New Technologies 264

The Risk of Not Investing 264

Risk Management 264

HIPAA: the Intersection of Security and Privacy 265

Announcing Security Failures 266

Disaster Recovery and Business Continuity 266

An Example 267

Who Is Responsible? 267

The Threats 267

Some IT Measures 267

Some Lessons 268

Legal Issues 268

Privacy 269

Taxation of E-commerce 269

UCITA 270

Copyright and Patents 271

Copyright 271

Patents 272

Ethics 272

Answers to Managerial Questions 274

Appendix: the Computer Industry 277

Managerial Questions 277

Definition of the Information Industry 277

U.S. Census Bureau 278

Shapiro and Varian 278

Hoover's Online 278

A Framework for Analyzing the Information Industry- The Houghton Map 279

Computer and Computer-related Segments 281

In-house Computer Shops 282

Employment 283

Outside Shops 285

Application Service Providers 285

Web Services 287

Outsourcers 287

Hardware Manufacturers 290

Retailers and Middlemen 291

Pricing and Maintenance 291

Open Source 292

Computing for Nonbusiness Applications 292

Telecommunications and Networks 292

Search Engines 293

New Technologies 293

Wi-Fi 294

RFID 294

Finding Out More About the Computer Industry and Computer Applications: the Computer Press and the Industry Observers 295

Conclusion 296

Answers to Managerial Questions 296

Glossary 299

Index 313
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