Patent ID: 7630979
Filing Date: 2009-12-08
Classification: G06F,Y10S

Abstract:
1. An information retrieval terminal, comprising: retrieval word receiver means for receiving a retrieval word that is inputted by users: text information collection means for acquiring text information on a display screen of a display device attached to the information retrieval terminal, and screen attribute information including an order of overlapping windows and a displayed range of each of a plurality of files that are opened on the display screen of the display device, and for storing the text information and the screen attribute information in a text information storage unit; extraction range setting means for determining a position of a word which matches the received retrieval word from the text information stored in the text information storage unit, setting a word extraction range in the text information by using the position of the word in the text information stored in the text information storage unit and a predefined number of words around the determined position of the word, or when there is no word matching the retrieval word in the text information, setting a word extraction range based on the screen attribute information; word extraction means for performing a morphological analysis of the text information within the word extraction range, and for extracting a word that is different from the retrieval word as a keyword candidate; and retrieval instruction means for instructing the information retrieval device using the keyword candidate and the retrieval word.