Augmenting search results with relevant third-party application content

A computer system for performing a method of augmenting Web-based search results with relevant content received from third-party applications, the system comprising:

• a data store storing one or more registration requests associated with one or more third-party applications, each registration request including an indication of one or more entity types associated with the request's respective third-party application;
• a search extender server having one or more computer-storage devices coupled with the data store, wherein the search extender server:
• receives annotated search queries, each annotated search query comprising at least an inputted search query and at least one entity type determined to be associated with the inputted search query;
• and receives from the one or more third-party applications search results relevant to the annotated search queries;
• and
• the one or more third-party applications associated with the one or more registration requests, each third-party application of the one or more third-party applications configured to identify at least one search result relevant to the inputted search query and the at least one entity type associated with the inputted search query and communicate the at least one search result to the search extender server.

A computerized method carried out by a search extender server on a user device for augmenting Web-based search results with relevant content from one or more third-party applications, the method comprising:

• registering each of a plurality of third-party applications to obtain an indication of one or more entity types associated with the each registered third-party application of the plurality of third-party applications;
• receiving an annotated search query, the annotated search query comprising at least an inputted search query, an entity type determined to be associated with the inputted search query, and an action intent determined to be associated with the inputted search query;
• subsequent to receiving the annotated search query, receiving a plurality of search results from one or more third-party applications of the plurality of third-party applications, each search result of the plurality of search results relevant to the inputted search query and the entity type associated with the inputted search query;
• and
• presenting the plurality of search results from the one or more third-party applications on a results page.