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Search in social network is continuously being expanded to enhance user experience. Besides basic textual retrieval, users can also search based on features such as spatial proximity, temporal freshness and/or social closeness. To efficiently process each advanced query type, customized indexing mechanisms have been developed. However, such mechanisms only perform well for the query types that they...
In online social communities, many recommender systems use collaborative filtering, a method that makes recommendations based on what are liked by other users with similar interests. Privacy issues arise in this process, as sensitive personal information (e.g., content interests) may be collected and disclosed to the recommender server. Existing privacy-preserving collaborative filtering techniques...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.