This page gives a brief overview of the search functions of Missing Link's database.
Figure 1 shows the contents of the search page. The area above the break (1) is for searching by keyword in the book database; the area below the line is for searches in subject areas.
Four fields are available for search term entry ((2), (5), as well as the two unmarked fields below them). In each of these fields any number of search terms can be entered. The search terms within a field are linked by "and". Any series of letters and numbers, of any length, counts as a search term. Any other symbols are treated as spaces. One or several empty spaces separate search terms.
With the help of pop-up menus (3) the search can be limited to one part of the book record. The following search areas are available:
Groups of search terms (for example, (2) and (5)) can be linked with the operators at (4): "and," "or," and "and not".
Figure 2 shows again the lower portion of the search page. In field (1) one or more search terms can be entered. When the button is clicked, the list of subject areas is searched for these words. The search results will only show subject areas that contain all of the search terms simultaneously. As in the direct search in the database (see above), here also only complete words are found. However, unlike the direct search, here it is possible to extend the search to words of which the search terms form a part; this is done by clicking on the button at (2).
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