Method and system for searching incomplete lists

A system comprising:

• a database associated with a content provider, the database indexed with a plurality of content items available in a domain, the database including a field to indicate an availability of each of the content items from the content provider;
• and
• a computer system programmed to:
• receive a search query entered by a user;
• search the database based on the search query to generate a search result list, the search result list including a first content item that is identified as being unavailable from the content provider based on the field;
• provide the search result list to the user, the search result list indicating the first content item and indicating that the first content item is unavailable from the content provider;
• and
• provide a first user feedback control associated with the first content item, the first user feedback control to provide feedback that the user desires the content provider to make the first content item available.

A computer-readable medium having computer-readable program code to cause a computer system to:

• receive a search query entered by a user;
• search a database based on the search query to generate a search result list, the database associated with a content provider, the database indexed with a plurality of content items available in a domain, the database including a field to indicate an availability of each of the content items from the content provider, wherein the search result list includes a first content item that is identified as being unavailable from the content provider based on the field;
• provide the search result list to the user, the search result list indicating the first content item and indicating to the user that the first content item is unavailable from the content provider;
• and
• provide a first user feedback control associated with the first content item, the first user feedback control to provide feedback that the user desires the content provider to make the first content item available.