1. “ The objective of maximum use of [library] stock... can be assisted in two ways: (a) by personal assistance to readers Jack Mills - Chapter 1 The problem of arrangement in a library in Library Classification 1960 (b) By so arranging and displaying the collection that its resources are made as far as possible self-evident to the user. This will include the provision of catalogues and indexes…”

2. Current (1998) OPAC Opening Screen

3. ACM Digital Library

4. Now let us take a look at what the Dewey Decimal Classification has to offer for view-based searching

5. Dewey Hierarchies in a View-based Searching OPAC

6. Searching for Textiles on Dewey for Windows

7. 600 Technology (Applied sciences) …. 670 Manufacturing …. 677 Textiles 677.022 Designs (Working patterns) 677.028 Techniques, procedures, apparatus, equipment, materials, products 677.0282 Operations …. 677.0285 Power equipment 677.02852 Spinning machines 677.02854 Looms and loom equipment The Dewey Schedule for Textiles

8. “The classifier will often find that to arrive at a precise number for a work it is necessary to build or synthesise a number that is not specifically printed in the schedules. Such built numbers allow for greater depth of content analysis…. ….. Table 2 Geographic Areas, Historical Periods, Persons. Notation from Table 2 is added through the use of one of several standard subdivisions from Table 1 (09, 025, 074, etc.), e.g., reading instruction in the primary schools of Australia is 372.40994 (372.4 reading instruction in primary schools + 09 Historical, geographic, persons treatment from Table 1 + 94 Australia from Table 2).” Instructions on synthesis

9. A fully faceted classification can recognise the concept “textiles” as independent of the relationship to “geographic location” can be synthesised as Geographic Location:Textiles or Textiles:Geographic Location. e.g. Holmfirth:Sheep Wool. The item being indexed could be retrieved from a higher level query of West Yorkshire:Textiles

10. View-based result from querying textiles

11. T2--4 Europe Western Europe T2--41 British Isles T2--42 England and Wales T2--43 Central Europe Germany T2--44 France and Monaco T2--45 Italian Peninsula and adjacent islands Italy T2--46 Iberian Peninsula and adjacent islands Spain T2--47 Eastern Europe Russia T2--48 Scandinavia T2--49 Other parts of Europe Problems of the division by 10

12. Dewey Hierarchies in a View-based Searching OPAC