Information Retrieval: A Health and Biomedical Perspective

038778702X......Page 1
Contents......Page 10
Part I: Basic Concepts......Page 15
1. Terms, Models, Resources, and Evaluation......Page 17
1.1 Basic Definitions......Page 20
1.2 Scientific Disciplines Concerned with IR......Page 21
1.3 Models of IR......Page 25
1.4 IR Resources......Page 29
1.5 The Internet and World Wide Web......Page 33
1.6 Evaluation......Page 39
2.1 What Is Information?......Page 54
2.2 Theories of Information......Page 55
2.3 Properties of Scientific Information......Page 57
2.4 Classification of Health Information......Page 70
2.5 Production of Health Information......Page 72
2.6 Electronic Publishing......Page 100
2.7 Use of Knowledge-Based Health Information......Page 109
2.8 Evidence-Based Medicine......Page 122
Part II: State of the Art......Page 130
3.1 Classification of Health and Biomedical Information Content......Page 132
3.2 Bibliographic Content......Page 134
3.3 Full Text Content......Page 145
3.4 Annotated Content......Page 157
3.5 Aggregations......Page 166
4.1 Types of Indexing......Page 172
4.2 Factors Influencing Indexing......Page 173
4.3 Controlled Vocabularies......Page 174
4.4 Manual Indexing......Page 187
4.5 Automated Indexing......Page 197
4.6 Indexing Annotated Content......Page 204
4.7 Data Structures for Efficient Retrieval......Page 209
5. Retrieval......Page 211
5.2 General Principles of Searching......Page 212
5.3 Searching Interfaces......Page 222
5.4 Document Delivery......Page 242
5.5 Notification or Information Filtering......Page 244
6.1 Overview of Libraries......Page 246
6.2 Definitions and Functions of DLs......Page 248
6.3 Access to Content......Page 250
6.4 Copyright and Intellectual Property......Page 259
6.5 Preservation......Page 266
6.6 Librarians, Informationists, and Other Professionals......Page 268
6.7 Future Directions......Page 270
Part III: Research Directions......Page 271
7.1 Usage Frequency......Page 273
7.2 Types of Usage......Page 275
7.3 User Satisfaction......Page 276
7.4 Searching Quality......Page 277
7.5 Factors Associated with Success or Failure......Page 291
7.6 Assessment of Impact......Page 298
7.7 Research on Relevance......Page 301
7.8 What Has Been Learned About IR Systems?......Page 311
8.1 System-Oriented Research......Page 313
8.2 User-Oriented Research......Page 348
8.3 User Evaluation of Research Systems......Page 365
8.4 Summary......Page 374
9.1 Information Extraction and Text Mining......Page 375
9.2 Text Categorization......Page 397
9.3 Question-Answering......Page 401
9.4 Text Summarization......Page 412
References......Page 419
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C......Page 484
E......Page 485
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H......Page 487
I......Page 488
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L......Page 491
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R......Page 493
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U......Page 495
Z......Page 496