Display Device

Abstract

To provide a presentation system for effectively displaying a keyword for effecting the selection of the next slide during a presentation. Provided is a display device comprising: a voice recognition means 53; a conversation-derived term extraction means 55; a search keyword storage means 57; a search keyword extraction means 59; a material storage unit 61; a relevant page information extraction means 63; a selection term extraction means 65; and a selection term display means 71.

1 . A display device comprising:
 a voice recognition unit ( 53 ) that performs voice recognition;   a conversation-derived term extraction unit ( 55 ) that extracts a plurality of conversation-derived terms from conversation information recognized by the voice recognition unit ( 53 );   a search keyword storage unit ( 57 ) that stores conversation-derived term and search keyword in an associated manner;   a search keyword extraction unit ( 59 ) that extracts a plurality of search keywords from the search keyword storage unit ( 57 ) using the plurality of conversation-derived terms extracted by the conversation-derived term extraction unit ( 55 );   a material storage unit ( 61 ) that stores each page of a plurality of presentation materials, a search term of each page, and a score of the search term in an associated manner;   a relevant page information extraction unit ( 63 ) that, using a search keyword extracted by the search keyword extraction unit ( 59 ) as the search term, extracts a page of presentation material associated with the search keyword from the material storage unit ( 61 );   a selection term extraction unit ( 65 ) that extracts the search keyword as a selection term for selecting a slide when the page of presentation material extracted by the relevant page information extraction unit ( 63 ) exists; and   a selection term display unit ( 71 ) that causes the selection term extracted by the selection term extraction unit ( 65 ) to be displayed on a display unit ( 69 ), whereby   the selection term is displayed on the display unit ( 69 ).   
     
     
         2 . The display device according to  claim 1 , wherein
 the relevant page information extraction unit ( 63 ), using the search keywords extracted by the search keyword extraction unit ( 59 ) as the search terms, extracts one or a plurality of the search terms having high score from the material storage unit ( 61 ) as pages of presentation material associated with the search keywords:   
     
     
         3 . The display device according to  claim 1 , wherein
 the display unit ( 69 ) is a display screen of a terminal, and   the selection term display unit ( 71 ) causes the selection term extracted by the selection term extraction unit ( 65 ) to be displayed in a selection term display area ( 73 ) existing at a lower portion of the display screen,   the display device further comprising:   a selection term input unit ( 75 ) that receives information indicating that the selection term displayed is selected; and   a page candidate read out unit ( 77 ) that, using the selection term input by the selection term input unit ( 75 ), reads out a page candidate of the plurality of presentation materials associated with the selection term.   
     
     
         4 . The display device according to  claim 3  further comprising
 a page selection information input unit ( 79 ) that receives information indicating that a page of specific presentation material is selected from among page candidates of the plurality of presentation materials read out by the page candidate read out unit ( 77 ), wherein 
 the page of presentation material selected is displayed on the display unit ( 69 ) using information related to the page of presentation material selected by the page selection information input unit ( 79 ). 
 
     
     
         5 . The display device according to  claim 1  further comprising
 a search material information storage device ( 23 ) including 
 a term extraction unit ( 3 ) that extracts a term in material that is a term included in a certain page of material, 
 a keyword storage unit ( 5 ) that stores a term that becomes a keyword associated with the term in material, 
 a keyword extraction unit ( 7 ) that extracts a plurality of keywords that become a keyword associated with the term in material from the keyword storage unit ( 5 ) using the term in material extracted by the term extraction unit ( 3 ), 
 a topic word storage unit ( 9 ) that stores a topic word associated with the key word, 
 a topic word extraction unit ( 11 ) that, using the plurality of keywords extracted by the keyword extraction unit ( 7 ), extracts the topic word associated with the keywords from the topic word storage unit ( 9 ), 
 a search term candidate extraction unit ( 13 ) that extracts a candidate of search term of a certain page of the material from the topic word extracted by the topic word extraction unit ( 11 ) and the plurality of keywords extracted by the keyword extraction unit ( 7 ), 
 a search term candidate display unit ( 17 ) that makes a display unit ( 15 ) display the candidate of search term extracted by the search term candidate extraction unit ( 13 ), 
 a search term input unit ( 19 ) that receives an input indicating being a search term among candidates of search term displayed on the display unit ( 15 ), and 
 a material search information storage unit ( 21 ) that stores the search term input by the search term input unit ( 19 ) and information related to the certain page of the material in an associated manner. 
 
     
     
         6 . A program causing a computer to function as a display device, the display device including
 a voice recognition unit ( 53 ) that performs voice recognition,   a conversation-derived term extraction unit ( 55 ) that extracts a plurality of conversation-derived terms from conversation information recognized by the voice recognition unit ( 53 ),   a search keyword storage unit ( 57 ) that stores conversation-derived term and search keyword in an associated manner,   a search keyword extraction unit ( 59 ) that extracts a plurality of search keywords from the search keyword storage unit ( 57 ) using the plurality of conversation-derived terms extracted by the conversation-derived term extraction unit ( 55 ),   a material storage unit ( 61 ) that stores each page of a plurality of presentation materials, a search term of each page, and a score of the search term in an associated manner,   a relevant page information extraction unit ( 63 ) that, using a search keyword extracted by the search keyword extraction unit ( 59 ) as the search term, extracts a page of presentation material associated with the search keyword from the material storage unit ( 61 ),   a selection term extraction unit ( 65 ) that extracts the search keyword as a selection term for selecting a slide when the page of presentation material extracted by the relevant page information extraction unit ( 63 ) exists, and   a selection term display unit ( 71 ) that causes the selection term extracted by the selection term extraction unit ( 65 ) to be displayed on a display unit ( 69 ), whereby   the selection term is made to be displayed on the display unit ( 69 ).   
     
     
         7 . A computer readable recording medium that records the program according to  claim 6 .