Delivering items based on links to resources associated with search results

A system, comprising:

• a computer network suitable for storing resources;
• a search engine provider connected to the computer network, wherein the search engine provider comprises a search engine for providing search results to clients connected to the computer network;
• a web server storing information and metadata that underlies criteria established by a plurality of subscribers;
• and a storage device that is accessible by the search engine and contains a relational database;
• wherein the search engine provider includes items within the search results according to the criteria established by the subscribers, and delivers the search results to the clients over the computer network.

A computer-readable storage medium storing one or more sequences of instructions which, when executed by one or more processors, causes the one or more processors to perform the following steps, comprising:

• identifying a set of links to resources satisfying search criteria received from a client;
• inspecting an association created by a first party to determine whether any links are associated with an item designated by the first party;
• inspecting a plurality of conditions established by the first party and determining whether any of the resources satisfying search criteria satisfy any of the plurality of conditions;
• including items within the resources satisfying search criteria if and only if the links satisfy one or more of the conditions;
• and
• delivering the set of links and items to the client over a network.