| http://www.w3.org/ns/prov#value | - y through the directories and sub-directories down to the point where they can select the desired LBK. At any stage of the browsing process, whether directly in the root directory or in any other sub-directory, users may specify parameters such as radius, keywords, time available to reach destination, means of transportation, etc., so as to further refine their search. [0107]FIG. 5 illustrates the
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