AUTOMATIC DETERMINATION OF GENRE-SPECIFIC RELEVANCE OF RECOMMENDATIONS IN A SOCIAL NETWORK
First Claim
1. A method of operating a personal recommender system arranged for being coupled to a computer implemented social network, the method comprising the steps of:
- a) detecting that a recommendation of a contact-genre tuple (CU1,g) has been filed in a user account of a user A of the social network, wherein the recommendation of the contact-genre tuple (CU1,g) relates to a content item x of a specific genre (g=g(x)) and has been initiated through a contact account of a contact CU1 of user A,b) monitoring a recommendation related reaction behaviour of user A in response to receiving the recommendation,c) repeating steps a) to b) for a plurality of recommendations of the same contact-genre tuple (CU1,g) and logging a plurality of monitored reaction behaviours for determining a user A related relevance-taste index r=r((CU1,g)) associated to the contact-genre tuple (CU1,g) in dependence of the plurality of monitored reaction behaviours, andd) filtering a current recommendation of the same contact-genre tuple (CU1,g) by filing the current recommendation in the user account only, if a filtering criterion is fulfilled by the relevance-taste index of the current recommendation and by blocking the current recommendation, if the filtering criterion is not fulfilled.
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Abstract
The present invention relates to an operating method of operating a recommender system, a filtering apparatus (260) for a recommender system (200), a recommender system and a corresponding computer program. An idea of the invention is to automatically learn for a user A in a social network, which recommendations of contacts of user A, who are also members of the social network, are relevant with respect to a genre into which user A is interested in. A learning algorithm is used to interpret feedback from user A in response to receiving recommendations from his/her contacts. Thereby, for each combination of a contact and a genre, a relevance-taste index can be determined. The determined relevance-taste index is subjected to a filter. Only such recommendations are provided to user A, whose associated relevance-taste indices fulfil a filtering criterion. Thereby, the amount of irrelevant recommendations submitted to user A can be significantly reduced.
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Citations
16 Claims
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1. A method of operating a personal recommender system arranged for being coupled to a computer implemented social network, the method comprising the steps of:
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a) detecting that a recommendation of a contact-genre tuple (CU1,g) has been filed in a user account of a user A of the social network, wherein the recommendation of the contact-genre tuple (CU1,g) relates to a content item x of a specific genre (g=g(x)) and has been initiated through a contact account of a contact CU1 of user A, b) monitoring a recommendation related reaction behaviour of user A in response to receiving the recommendation, c) repeating steps a) to b) for a plurality of recommendations of the same contact-genre tuple (CU1,g) and logging a plurality of monitored reaction behaviours for determining a user A related relevance-taste index r=r((CU1,g)) associated to the contact-genre tuple (CU1,g) in dependence of the plurality of monitored reaction behaviours, and d) filtering a current recommendation of the same contact-genre tuple (CU1,g) by filing the current recommendation in the user account only, if a filtering criterion is fulfilled by the relevance-taste index of the current recommendation and by blocking the current recommendation, if the filtering criterion is not fulfilled. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 15, 16)
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10. A filter apparatus arranged for being coupled to a recommender system for a user A of a computer implemented social network, the filter apparatus comprising:
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a detector configured to detect that a recommendation of a contact-genre tuple (CU1,g) has been filed in a user account of user A of the social network, wherein the recommendation of the contact-genre tuple (CU1,g) relates to a content item x of a specific genre (g=g(x)) and has been initiated through a contact account of a contact CU1 of user A, a monitoring unit configured to monitor a recommendation related reaction behaviour of user A in response to receiving the recommendation, a data logger configured to log a plurality of monitored reaction behaviours being related to a plurality of recommendations of the same contact-genre tuple (CU1,g), an analyser configured determine a user A related relevance-taste index r=r((CU1,g)) associated to the contact-genre tuple in dependence of the plurality of monitored reaction behaviours, and a recommendation filter configured to filter a current recommendation of the same contact-genre tuple (CU1,g) by filing the current recommendation in the user account only, if a filtering criterion is fulfilled by the relevance-taste index of the current recommendation and by blocking the current recommendation, if the filtering criterion is not fulfilled. - View Dependent Claims (11, 12, 13, 14)
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Specification