Information propagation via weighted semantic and social graphs

A computer readable storage medium storing a program of instructions executable by a machine to perform a method of propagating information in a computer network, comprising:

• detecting an online action performed by a user on content presented on a computer;
• searching a semantic graph stored on a memory device for a semantic node representing the content;
• searching the semantic graph for at least one other semantic node representing second content that meets a semantic similarity threshold based on weighted distances between the semantic node and the at least one other semantic node;
• searching, in a social graph stored on the memory device and comprising a network of social nodes representing users, starting with a social node u representing the user, for at least one second social node whose distance from the social node u meets a social relationship threshold;
• for each of the at least one second social node, determining whether an interest of the at least one second social node intersects with the content and the second content, and responsive to determining that the interest of the at least one second social node intersects with the content and the second content, propagating the online action to the at least one second user's user interface,
• wherein the method is executed automatically by a social network server,
• wherein the propagating of the detected online action is contained to target the at least one second social node whose interest intersects with the content and the second content.

A system of propagating information in a computer network, comprising:

• at least one hardware processor;
• at least one memory device coupled with the hardware processor;
• the at least one hardware processor operable to at least:
• detect an online action performed by a user on content presented on a computer;
• search a semantic graph stored on the at least one memory device for a semantic node representing the content;
• search the semantic graph for at least one other semantic node representing second content that meets a semantic similarity threshold based on weighted distances between the semantic node and the at least one other semantic node;
• search, in a social graph stored on the at least one memory device and comprising a network of social nodes representing users, starting with a social node u representing the user, for at least one second social node whose distance from the social node u meets a social relationship threshold;
• for each of the at least one second social node, determine whether an interest of the at least one second social node intersects with the content and the second content, and responsive to determining that the interest of the at least one second social node intersects with the content and the second content, propagate the online action to the at least one second user's user interface, propagating the detected online action contained to target the at least one second social node whose interest intersects with the content and the second content.