Generating Improved Document Classification Data Using Historical Search Results

A computer system, comprising:

• one or more processors;
• memory;
• and
• one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including:
• instructions for respectively accessing historical query information for queries having search results that correspond to first information items and second information items;
• instructions for accessing classification data of the first information items;
• instructions for generating classification data for the second information items based on the classification data of the first information items and the historical query information;
• instructions for storing the generated classification data in the server system;
• instructions for providing customized services associated with the second information items to a plurality of client devices using the corresponding classification data stored in the server system;
• and
• instructions for updating the classification data of the first information items based on the historical query information and the generated classification data for the second information items.

A computer readable storage medium and one or more computer programs embedded therein, the one or more computer programs comprising instructions, which when executed by a computer system, cause the computer system to:

• respectively access historical query information for queries having search results that correspond to first information items and second information items;
• access classification data of the first information items;
• generate classification data for the second information items based on the classification data of the first information items and the historical query information;
• store the generated classification data in the server system;
• provide customized services associated with the second information items to a plurality of client devices using the corresponding classification data stored in the server system;
• and
• update the classification data of the first information items based on the historical query information and the generated classification data for the second information items.