| 摘要 |
A navigable search engine architecture comprising a plurality of search look up tables (10) having predetermined search values selectable by a user to define a search criteria, a plurality of target directories (14) consisting of target items that a search may be targeted to find, each directory organised with multi-level nodes, the nodes at each level having a heading that identifies a common characteristic or the target items linked to that node and a plurality of target directory indices (16) that are employed by the search engine to navigate through the target directories, each target directory index providing a link between each of said nodes in the target directories and related search values provided in said look up tables. When a user has defined a search criteria using said search values, the search engine finds and lists (20) the headings of the nodes that are related to said search criteria.
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