Patent ID: 8904285
Filing Date: 2014-12-02
Classification: G06F

Abstract:
1. A keyword extraction apparatus, comprising: a display configured to display a document; a first calculation unit configured to calculate a partial region indicating a part of the document displayed in the display; a scroll unit configured to scroll the document to display other than the partial region; a first generation unit configured to generate scrolling information item including a first position of a first display region and a second position of a second display region, the first display region being displayed before the scrolling, the second display region being to be displayed after the scrolling; an extraction unit configured to extract one or more keywords in the document; a scoring unit configured to calculate scores of the keywords in accordance with positions that the keywords occur within the document; and a second generation unit configured to generate a window for selecting at least one of the keywords in descending order of the scores from first keywords, occurring within a neighboring region, based on the scrolling information item.