| 摘要 |
A request monitor may monitor user requests, each user request including at least one keyword. A portion evaluator may determine inclusive portions of content file portions of indexed content files within an index, and may assign values to the inclusive portions, based on a providing of at least one of the indexed content files to the user in response to the user request. A portion selector may select, from the inclusive portions and based on the values, retained portions to be retained within the index. An index updater configured to update the index to replace the indexed content files with the retained portions. |
