Search apparatus, search method, and search system

A search system comprising:

• a search apparatus configured to be connected to a network;
• and
• a terminal unit configured to transmit a captured image to the search apparatus through the network, wherein
• the search apparatus includes
• a storage unit configured to store therein indexes for searching for an object included in an image, and link information indicating a function of providing a link for the object, and first supplementary information in association with each other;
• and
• an information processing unit including
• a receiving unit configured to receive the captured image;
• a searching unit configured to search for an index for searching for an object included in the received captured image from among the indexes stored in the storage unit based on the object included in the received captured image and second supplementary information for the received captured image, the index being identified based on the first supplementary information and the second supplementary information for the received captured image;
• and
• a presenting unit configured to present the link information associated with the index searched for by the searching unit to the terminal unit.