Multimedia Search Using Reshare Text on Online Social Networks

摘要

In one embodiment, a method includes receiving a search query for multimedia objects of an online social network from a user of the online social network; searching an index of multimedia objects to identify multimedia objects indexed with keywords that match n-grams of the search query, the keywords having been extracted from reshares associated with the multimedia objects; calculating an object-score for each identified multimedia object based on social signals; generating search results with references to the identified multimedia objects that have an object-score greater than a threshold object-score; and sending to the user one or more of the search results as part of a search-results page.

主权项

1. A method comprising, by one or more computing devices:
receiving, from a client system of a first user of an online social network, a search query to search for multimedia objects of the online social network, the search query comprising one or more n-grams; searching an index of multimedia objects to identify one or more multimedia objects based on the search query, wherein the index of multimedia objects indexes a plurality of multimedia objects and one or more keywords associated with each multimedia object, each keyword being extracted from one or more reshares associated with the multimedia object, each reshare being reshared by one or more second users of the online social network and linking to the multimedia object associated with the reshare, wherein each identified multimedia object is indexed with one or more keywords substantially matching the one or more n-grams of the search query; calculating, for each identified multimedia object, an object-score based on one or more social signals associated with the identified multimedia object; generating one or more search results corresponding to one or more of the identified multimedia objects, respectively, each search result comprising a reference to a corresponding identified multimedia object having an object-score greater than a threshold object-score; and sending, responsive to the search query, a search-results page to the client system of the first user for display, the search-results page comprising one or more of the generated search results.