| 摘要 |
PROBLEM TO BE SOLVED: To obtain a document processor whose summary and related information have a high quality and which dynamically changes the amount or configuration of the summary and related information, accompanying the past display history and fast provides small summary and related information. SOLUTION: This document processor has a main data storing means 1 which stores main data, a page switching means 2 which switches a display page, a history recording means 3 which records the range of displayed data, a summary data storing means 4 which records summary data, a summary selecting means 5 which selects the summary data and a displaying means 7 which shows at least the main data or the summary data. And the means 4 stores plural pieces of summary data that summarize content of the main data in a specific area in different details and the device has a summary controlling means 6 which combines plural pieces of the summary data and controls an output of the summary data. |
