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Context-Aware Computing by De Gruyter

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The average precision, recall, and F-measure for CxReFinder are (74.38%, 98.08%, 84.60%), and (60.41%, 91.26%, 72.70%) without CxReFinder, as shown in Figure 13.16. The calculation of precision without CxReFinder is as follows: when refinding files, the denominator (i.e., num_of_matched_results) is the number of browsed folders (through file explorer) or the number of results (by desktop search); when refinding web pages, the denominator is the ranked order of the true result (by search engine), or the number of checked folders (through bookmarks) or the number of browsed records (in the historical list).

Figure 13.16: Refinding quality with ...

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