KEYWORD USAGE SCORE BASED ON FREQUENCY IMPULSE AND FREQUENCY WEIGHT
First Claim
1. A method in a computing device for assessing keyword usage, the method comprising:
- providing frequency of keywords during various periods;
calculating a frequency impulse score for a keyword, the frequency impulse score indicating amount of recent change in frequency of the keyword;
calculating a frequency weight for the keyword, the frequency weight indicating a recent measure of the frequency of the keyword; and
combining the frequency impulse score and frequency weight of the keyword to give the recent usage score for the keyword for a recent period.
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Abstract
A method and system for assessing keyword usage based on frequency of usage of the keywords during various periods is provided. A keyword usage measurement system is provided with the frequency of keywords during various periods. The measurement system then calculates a recent usage score for a keyword by combining a frequency impulse score for the keyword with a frequency weight for the keyword. The frequency impulse score for a keyword indicates whether a recent change in the frequency of the keyword has occurred. The frequency weight for a keyword indicates a recent measure of the frequency of the keyword.
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Citations
20 Claims
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1. A method in a computing device for assessing keyword usage, the method comprising:
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providing frequency of keywords during various periods; calculating a frequency impulse score for a keyword, the frequency impulse score indicating amount of recent change in frequency of the keyword; calculating a frequency weight for the keyword, the frequency weight indicating a recent measure of the frequency of the keyword; and combining the frequency impulse score and frequency weight of the keyword to give the recent usage score for the keyword for a recent period. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A computer-readable medium encoded with instructions for controlling a computing device to assess keyword usage, by a method comprising:
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providing a search log for each of a plurality of periods, a search log of a period indicating search requests submitted to a search engine service during that period, each search request including keywords; calculating a frequency impulse score for a keyword, the frequency impulse score indicating a change in frequency of the keyword occurring in search requests of a search log for a recent period; calculating a frequency weight for the keyword, the frequency weight indicating a measure of the frequency of the keyword occurring in search requests of the search log for the recent period; and multiplying the frequency impulse score and frequency weight of the keyword to give a recent usage score of the keyword. - View Dependent Claims (14, 15, 16, 17)
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18. A computing system for ranking documents, comprising:
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a data store that indicates frequency of keywords; a component that calculates a recent usage score for a keyword by combining a frequency impulse score for the keyword and a frequency weight of the keyword, the frequency impulse score indicating a recent change in frequency of the keyword and the frequency weight indicating a recent measure of the frequency of the keyword; and a component that ranks documents of a search result of a search request based at least in part on the recent usage score of the keyword. - View Dependent Claims (19, 20)
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Specification