Contents	6
	Preface	8
	PURPOSE AND APPROACH	9
	AUDIENCE	10
	ACKNOWLEDGMENTS	10
	Foreword	12
	Section I THE CONTEXT OF WEB SEARCH	15
	Chapter 1 TECHNOLOGICAL, SOCIAL AND ORGANIZATIONAL CONTEXT	17
	1. INTRODUCTION	17
	2. WEB SEARCH TECHNOLOGY CONTEXT	17
	3. WEB SEARCH ENGINES	19
	3.1 Overview	19
	3.2 The Web Search Engine Landscape	19
	3.3 How Web Search Engines Work	21
	3.4 Methods of Document Ranking	23
	4. WEB SIZE	25
	5. WEB SEARCHES	25
	6. SOCIAL WEB CONTEXT	26
	6.1 Internet Use at Home	26
	7. ORGANIZATION WEB	28
	8. CONCLUSION	28
	9. REFERENCES	29
	Chapter 2 HUMAN INFORMATION BEHAVIOR AND HUMAN COMPUTER INTERACTION CONTEXT	33
	1. INTRODUCTION	33
	2. HUMAN INFORMATION BEHAVIOR CONTEXT	33
	3. HUMAN COMPUTER INTERACTION CONTEXT	34
	4. RESEARCH METHODS	34
	5. WEB SEARCH STUDIES	35
	6. WEB SEARCH BEHAVIOR STUDIES	35
	6.1 Web Search Behavior Studies 1995 to 1998	35
	6.2 Web Search Behavior Studies 1999 to 2001	36
	6.3 Web Search Behavior Studies 2002 to 2003	38
	7. SINGLE WEB SITE SEARCH STUDIES	39
	8. WEB INFORMATION FORAGING STUDIES	39
	9. CHILDREN’S WEB SEARCH STUDIES	40
	10. TRAINING AND LEARNING STUDIES	41
	11. WEB SEARCH EVALUATION STUDIES	41
	12. CONCLUSION AND FURTHER RESEARCH	42
	13. REFERENCES	43
	Chapter 3 RESEARCH DESIGN	49
	1. INTRODUCTION	49
	2. WEB QUERY TRANSACTION LOG ANALYSIS	49
	3. STRENGTHS AND WEAKNESSES OF WEB TRANSACTION LOG ANALYSIS	52
	4. WEB SEARCH LOGS	53
	5. ALTAVISTA	54
	6. EXCITE	55
	7. ALLTHEWEB.COM	56
	8. WEB QUERY LOG FIELDS	56
	9. ANALYSIS LEVELS	57
	10. QUANTITATIVE ANALYSIS	58
	11. QUALITATIVE METHODS	61
	11.1 Web Query Classification	61
	11.2 Topical Analysis	61
	11.3 Topical Relevance	62
	12. STRENGTH AND LIMITATIONS	62
	13. CONCLUSION	63
	14. REFERENCES	63
	Section II HOW PEOPLE SEARCH THE WEB	67
	Chapter 4 SEARCH TERMS	69
	1. INTRODUCTION	69
	2. WEB SEARCH TERM TRENDS	71
	3. AGGREGATE DATA BY WEB SEARCH ENGINES	72
	3.1 AlltheWeb.com	72
	3.2 AltaVista	73
	3.3 Excite	74
	4. IN-DEPTH ANALYSES BY WEB SEARCH ENGINE	75
	4.1 AlltheWeb.com	75
	4.2 AltaVista	79
	4.3 Excite	83
	5. CONCLUSION	88
	6. REFERENCES	89
	Chapter 5 SEARCH QUERIES	91
	1. INTRODUCTION	91
	2. WEB QUERYING	92
	3. WEB QUERY STRUCTURE	93
	4. WEB SEARCH ENGINE QUERY TRENDS	93
	5. AGGREGATE DATA BY SEARCH ENGINE	95
	5.1 AlltheWeb.com	95
	5.2 AltaVista	96
	5.3 Excite	97
	6. ALLTHEWEB.COM IN-DEPTH ANALYSIS	97
	6.1 Query Length	97
	6.2 Use of Advanced Web Search Features	98
	6.3 Repeat Web Queries	99
	6.4 Language Preference	100
	6.5 Web Documents Viewed Per Query	102
	7. ALTAVISTA IN-DEPTH ANALYSIS	102
	7.1 Web Query Length	102
	7.2 Use of Advanced Web Search Features	103
	7.3 Repeat Web Queries	104
	8. EXCITE IN-DEPTH ANALYSIS	107
	8.1 Web Query Length	107
	8.2 Use of Advanced Search Features	107
	8.3 Repeat Web Queries	108
	9. NATURAL LANGUAGE WEB QUERIES	110
	10. CONCLUSION	111
	11. REFERENCES	112
	Chapter 6 SEARCH SESSIONS	115
	1. INTRODUCTION	115
	2. WEB SEARCH SESSIONS	116
	3. WEB SEARCH ENGINE SESSIONS TRENDS	117
	4. AGGREGATE DATA BY WEB SEARCH ENGINE	118
	4.1 AlltheWeb.com	118
	4.2 AltaVista	119
	4.3 Excite	120
	5. ALLTHEWEB.COM IN-DEPTH ANALYSIS	121
	5.1 Web Session Length	121
	5.2 Web Session Duration	122
	5.3 Results Pages Viewed	123
	5.4 Click Through Analysis	124
	5.5 Topical Relevance of Documents Viewed	125
	6. ALTAVISTA IN-DEPTH ANALYSIS	126
	6.1 Session Length	126
	6.2 Web Session Duration	127
	6.3 Results Pages Viewed	129
	7. EXCITE IN-DEPTH ANALYSIS	130
	7.1 Session Length	130
	7.2 Results Pages Viewed	130
	8. AGENT SESSIONS	131
	9. SUCCESSIVE SEARCH SESSIONS	133
	10. MULTITASKING SEARCH SESSIONS	134
	11. CONCLUSION	135
	12. REFERENCES	136
	Section III SUBJECTS OF WEB SEARCH	139
	Chapter 7 E-COMMERCE WEB SEARCHING	141
	1. INTRODUCTION	141
	2. WEB E- COMMERCE	142
	3. E-COMMERCE WEB SEARCH	143
	4. TRENDS ANALYSIS	144
	5. E-COMMERCE WEB QUERY TRENDS	145
	6. EXCITE 2001 E-COMMERCE SESSIONS	146
	6.1 E-Commerce Query Structure	146
	6.2 Excite E-Commerce Query Subjects	147
	7. E-COMMERCE WEB SEARCH TRENDS	147
	8. CONCLUSION	149
	9. REFERENCES	149
	Chapter 8 MEDICAL AND HEALTH WEB SEARCHING	151
	1. INTRODUCTION	151
	2. RELATED STUDIES	152
	3. MEDICAL WEB SEARCHING	153
	4. MEDICAL/HEALTH QUERIES	154
	5. MEDICAL ADVICE- SEEKING	155
	5.1 General Medical/Health	156
	5.2 Human Relationships	156
	5.3 Weight	156
	5.4 Reproductive Health	156
	5.5 Pregnancy/Baby	156
	6. MEDICAL AND HEALTH ADVICE-SEEKING	156
	6.1 Personified and Opinion Queries	157
	7. DISCUSSION	158
	8. REFERENCES	159
	Chapter 9 SEXUALLY-RELATED WEB SEARCHING	163
	1. INTRODUCTION	163
	2. HUMAN INTERNET SEXUALITY	163
	3. SEXUALITY AND WEB SEARCHING	164
	4. SEXUALLY-RELATED WEB SEARCHING	165
	5. TRENDS IN SEXUAL WEB SEARCHING	167
	6. ALLTHEWEB.COM QUERIES	168
	7. ALTAVISTA QUERIES	169
	8. DISCUSSION	171
	9. CONCLUSION	172
	10. REFERENCES	173
	Chapter 10 MULTIMEDIA SEARCHING	175
	1. INTRODUCTION	175
	2. IMAGE RETRIEVAL	176
	3. MULTIMEDIA SEARCHING	178
	4. MULTIMEDIA WEB SEARCHING TRENDS	178
	5. DATA COLLECTION	182
	6. MULTIMEDIA WEB SEARCH USING DISTINCT CONTENT COLLECTIONS	183
	7. MULTIMEDIA SESSIONS	184
	8. MULTIMEDIA QUERIES	185
	9. MULTIMEDIA WEB TERMS	186
	10. DISCUSSION	187
	11. CONCLUSION	189
	12. REFERENCES	190
	Section IV CONCLUSION	193
	Chapter 11 KEY FINDINGS, TRENDS, FURTHER RESEARCH AND CONCLUSIONS	195
	1. KEY FINDINGS	195
	2. SOCIAL AND ORGANIZATIONAL RESEARCH	195
	3. COGNITIVE RESEARCH	196
	4. RESEARCH METHODS	196
	5. COMMON SEARCH CHARACTERISTICS	197
	6. SEARCH TOPICS	197
	7. QUERY LENGTH	198
	8. BOOLEAN OPERATOR USAGE	198
	9. SEARCH SESSION LENGTH	199
	10. PAGE VIEWING	199
	11. GEOGRAPHIC DIFFERENCES	200
	12. E-COMMERCE QUERIES	200
	13. MEDICAL QUERIES	201
	14. SEXUAL QUERIES	201
	15. MULTIMEDIA QUERIES	201
	16. TRAINING STUDIES AND SEARCH ENGINE EVALUATIONS	202
	17. WEB SEARCH TRENDS	203
	18. CONCLUSIONS	203
	19. REFERENCES	204
	SUBJECT INDEX	205
	AUTHOR INDEX	207