Information providing system, information providing server and information providing method

An information providing system comprising:

• a management server configured to manage detailed information acquired by making access on the basis of link destination information and store the detailed information in association with the link destination information;
• a search server configured to store search log information in which a search query is associated with link destination information of a search result obtained by a search using the search query;
• a storage server configured to store text data available on a network;
• and
• an information providing server configured to be communicably connected to the management server, the search server, and the storage server, wherein
• the information providing server includes:
• an acquisition unit configured to acquire the search log information from the search server;
• and
• a storage unit configured to determine whether or not a keyword corresponding to the search query is included in the text data stored in the storage server and store detailed information in association with the text data when determining that the keyword is included, the detailed information being acquired from the management server by making access according to the link destination information associated with the search query.