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| [Brief table of Contents] [Previous Chapter] [Next Chapter] | [book index] |
● 1 definition of exhaustivity of indexing
● 2
● 3 exhaustive indexing of authors
● 4 range of exhaustivity
● 5 relationship of exhaustivity to size of documentary units
● 6 advantages of high versus low exhaustivity
● 7 examples of low exhaustivity
● 8 examples of high exhaustivity
9.1. Recall and Precision.
● 9 impact of exhaustivity on recall and precision
9.1.1. A Definition of Recall.
● 10
● 11 impossibility of recall calculation
● 12 recall versus relative recall
● 13 definitions of relevance
9.1.2. A Definition of Precision.
● 14
● 15 inverse relationship of recall and precision
9.1.3. The Impact of Exhaustivity on Recall and Precision.
● 16
● 17
● 18 role of high-threshold indexing in high-precision IR
● 19 role of automatic indexing in high-recall IR
● 20 role of human indexing versus automatic indexing in high-precision IR
9.2. The Calculation of Exhaustivity: Terms Versus Headings
● 21 terms versus headings for calculation of exhaustivity
● 22 calculation of exhaustivity in displayed indexes versus non-displayed indexes
● 23
9.3. Our Examples.
● 24 relationship of documentary units to exhaustivity
● 25
9.3.1. A Book Index.
● 26 exhaustivity of human indexing for book indexes
● 27 exhaustivity of automatic indexing for book indexes
● 28 alternative levels of exhaustivity for book indexes
9.3.2. An Indexing and Abstracting Service.
● 29
● 30 exhaustivity for routine documents
● 31 exhaustivity of human indexing for important documents
● 32 exhaustivity of automatic indexing for important documents
9.3.3. A Full-Text Encyclopedia/Digital Library.
● 33
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