JP2009064391A5

JP2009064391A5 -

Info

Publication number: JP2009064391A5
Application number: JP2007233959A
Authority: JP
Filing date: 2007-09-10
Publication date: 2009-12-24

Claims

Keyword storage means for storing a plurality of keywords;
Association storage means for storing the degree of association between the plurality of keywords;
For each of the plurality of keywords, preference storage means for storing a degree of preference having a correlation with the frequency with which each of the plurality of keywords has been designated;
An output means for outputting selection candidate keywords;
Designation means for designating a keyword from among the keywords output by the output means;
A keyword extraction device comprising: an extraction unit that extracts a presentation keyword that is output next by the output unit from the plurality of keywords based on the degree of association with the keyword specified by the specifying unit and the preference level .

An input means for receiving instructions from the outside;
Further comprising a presentation means for presenting the keyword output by the output means to the user,
The keyword extracting device according to claim 1, wherein the specifying unit specifies a keyword from among the presented keywords presented by the presenting unit in accordance with the instruction.

And further comprising search means for searching for content associated with the keyword,
The keyword extraction device according to claim 2, wherein the presenting unit presents the content searched by the search unit.

4. The keyword extracting device according to claim 1, further comprising an updating unit configured to update the preference degree in accordance with a keyword specified by the specifying unit. 5.

The preference storage means stores a plurality of types of preference levels,
The keyword extracting device according to claim 4, wherein the updating unit updates the plurality of types of preference degrees by different methods.

The preference storage means stores a long-term preference level and a short-term preference level,
The keyword extraction device according to claim 5, wherein the updating unit updates the preference information so that the update ratio of the short-term preference degree is larger than the update ratio of the long-term preference degree.

The keyword according to any one of claims 4 to 6, wherein the updating unit updates the preference degree so as to suppress the presentation keyword previously extracted by the extracting unit from being extracted again. Extraction device.

The keyword extracting device according to claim 7, wherein the updating unit lowers a preference level of the presented keyword previously extracted by the extracting unit.

The number presentation times of the presented keywords by said presenting means further comprising means for storing in association with the keyword,
It said extraction means, based on the number of presentation times of said stored by the presentation means, between the number of predetermined suppression, keywords with priority not presented to extract the presentation keyword, claim 2 or 3 The keyword extraction device described in 1.

Re-presenting means for causing the presenting means to re-present the presenting keyword previously presented by the presenting means in response to the instruction;
The method according to claim 9, further comprising means for increasing or decreasing the number of times of suppression depending on whether an instruction to cause the re-presentation means to perform the re-presentation or an instruction to cause the extraction means to extract a presentation keyword is made. Keyword extraction device.

The number presentation times of the designated keyword by said designating means further includes means for storing in association with the keyword,
Said extraction means, based on the number of presentation times of said stored by said specifying means, between the number of predetermined suppression, extracts the presentation keywords in preference keywords are not specified, according to claim 2 or 3 The keyword extraction apparatus in any one of.

Re-presenting means for causing the presenting means to re-present the presenting keyword previously presented by the presenting means in response to the instruction;
The method according to claim 11, further comprising means for increasing or decreasing the number of times of suppression depending on whether an instruction to cause the re-presentation means to perform the re-presentation or an instruction to cause the extraction means to extract a presentation keyword is made. Keyword extraction device.

Based on the instruction, further comprising session determination means for determining a session indicating an operation unit;
The keyword extraction device according to claim 4, wherein the update unit updates the preference degree based on a determination result of the session determination unit.

Based on the instruction, further comprising session determination means for determining a session indicating an operation unit;
The keyword extracting device according to any one of claims 9 to 12, wherein the extracting unit changes the number of times the keyword presentation is suppressed according to a result of the session determining unit.

The keyword extraction device according to claim 1, wherein the extraction unit extracts the presentation keyword randomly from the plurality of keywords in accordance with the instruction.

The keyword extracting device according to claim 1, wherein the extracting unit sequentially extracts all the plurality of keywords in a predetermined order in accordance with the instruction.

A keyword storage unit for storing a plurality of keywords;
An association storage unit that stores association degrees between the plurality of keywords;
For each of the plurality of keywords, a preference storage unit that stores a degree of preference having a correlation with the frequency with which each of the plurality of keywords has been designated;
An output unit for outputting the selection candidate keywords;
A keyword extraction method for extracting a presentation keyword output by the output unit next time using a computer including a control unit that controls operations of the keyword storage unit, the related storage unit, the preference storage unit, and the output unit Because
Designating a keyword from keywords output by the output unit;
Extracting the presented keyword from the plurality of keywords based on the degree of association with the keyword designated by the designation unit and the preference degree.

A keyword storage unit for storing a plurality of keywords;
An association storage unit that stores association degrees between the plurality of keywords;
For each of the plurality of keywords, a preference storage unit that stores a degree of preference having a correlation with the frequency with which each of the plurality of keywords has been designated;
An output unit for outputting the selection candidate keywords;
A keyword extraction program for causing a computer including a control unit that controls operations of the keyword storage unit, the related storage unit, the preference storage unit, and the output unit to extract a presentation keyword that the output unit outputs next time. And
Designating a keyword from keywords output by the output unit;
A keyword extraction program that causes the control unit to execute a step of extracting the presentation keyword from the plurality of keywords based on the degree of association with the keyword designated by the designation unit and the preference degree.

A computer-readable recording medium storing the keyword extraction program according to claim 18.