WO2023047952A1 - 情報処理装置、情報処理方法、プログラム、及び情報処理システム - Google Patents
情報処理装置、情報処理方法、プログラム、及び情報処理システム Download PDFInfo
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- 230000010365 information processing Effects 0.000 title claims abstract description 79
- 238000003672 processing method Methods 0.000 title claims description 8
- 238000011156 evaluation Methods 0.000 claims abstract description 85
- 238000004364 calculation method Methods 0.000 claims description 9
- 235000019640 taste Nutrition 0.000 abstract description 24
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- 238000004458 analytical method Methods 0.000 description 3
- 238000004590 computer program Methods 0.000 description 3
- 238000012800 visualization Methods 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/40—Information retrieval; Database structures therefor; File system structures therefor of multimedia data, e.g. slideshows comprising image and additional audio data
- G06F16/48—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
Definitions
- the present disclosure relates to an information processing device, an information processing method, a program, and an information processing system for estimating a user's preference from the viewing history of broadcast content viewed by the user.
- Patent Document 1 discloses an information processing device.
- This information processing device includes an acquisition unit, an analysis unit, an evaluation unit, a visualization unit, and a display unit.
- the acquisition unit obtains program information (audience rating, program description, keywords, broadcast start time, end time, performers, impressions of the program and the number thereof, the number of times the program introduction information is reused, through the official site of the program P1 number of comments received by
- the analysis unit digitizes the program information.
- the evaluation unit evaluates the program based on the numerical values obtained by the quantification by the analysis unit.
- the visualization unit graphically summarizes the evaluation results by the evaluation unit.
- the display unit presents the evaluation results illustrated by the visualization unit.
- the present disclosure provides an information processing system and the like that facilitates improving the accuracy of estimating user preferences.
- An information processing apparatus includes an acquisition unit that acquires a viewing history of broadcast content that a user has viewed within a predetermined period of time in the past, and a plurality of A first evaluation unit that assigns a first score for each of the preference tags assigned to each broadcast content from among the types of preference tags, and a combination preference tag that combines two or more of the preference tags, Combined preference tags of a plurality of patterns, and a single preference tag in a broadcast content when only one type of the preference tag is assigned, the combined preference corresponding to each of the plurality of patterns of the single preference tags of the broadcast content.
- the predetermined Preference information that matches the user's preference within a period of time, and is preference information that combines one or more of a plurality of types of the preference tags, a plurality of patterns of the combined preference tags, and a plurality of patterns of the single preference tags. and an output unit for outputting.
- An information processing method includes an acquisition step of acquiring a viewing history of broadcast content viewed by a user within a predetermined period of time in the past; a first evaluation step of assigning a first score for each of the preference tags assigned to each broadcast content from among the types of preference tags; and a combination preference tag in which two or more of the preference tags are combined.
- a second evaluation step of assigning a second score for the tag or the single preference tag a first storage step of storing the first score calculated for each broadcast content included in the acquired viewing history; a second storing step of storing the second score calculated for each of the broadcast contents included in the viewed viewing history; and the first score and the Preference information that matches the user's preference within the predetermined period by referring to the second score, and which is among the plurality of types of the preference tag, the combination preference tag of the plurality of patterns, and the single preference tag of the plurality of patterns. and an output step of outputting preference information that is a combination of one or more from.
- a program according to one aspect of the present disclosure causes one or more processors to execute the information processing method.
- An information processing system includes the information processing device, a matching device that selects one or more broadcast contents to be presented to a user based on the output preference information, and one or more selected and an evaluation degree calculation unit that calculates an evaluation degree based on each of the broadcast contents and the preference information, and information about the content of the broadcast content together with the selected one or more broadcast contents, and the calculation for the broadcast content. and tag information obtained by combining one or more of the plurality of types of preference tags, the plurality of patterns of the combined preference tags, and the plurality of patterns of the single preference tags assigned to the broadcast content. and a diagramming unit that generates an image including tag information that matches the user's preference information.
- FIG. 1 is a schematic diagram showing the configuration of an information processing apparatus, etc., according to an embodiment.
- FIG. 2 is a flowchart illustrating an example of processing of the information processing device according to the embodiment.
- FIG. 3A is a diagram showing an example of first scores stored in the embodiment;
- FIG. 3B is a diagram showing an example of a second score stored in the embodiment;
- FIG. 4A is a diagram showing another example of first scores stored in the embodiment.
- FIG. 4B is a diagram showing another example of second scores stored in the embodiment.
- FIG. 5 is a flowchart showing an example of processing for outputting preference information and presenting broadcast content according to the embodiment.
- FIG. 6 is a diagram showing an example of a screen showing broadcast content information, rating and preference information according to the embodiment.
- FIG. 1 is a schematic diagram showing the configuration of an information processing apparatus, etc., according to an embodiment.
- the information processing device 100 is a device for estimating a user's preference from a viewing history of broadcast content viewed by the user.
- the information processing device 100 is combined with the tagging device 150, the content storage device 200, the matching device 300, and the presentation device 400. It is possible to present broadcast content that matches the user's preferences.
- the information processing device 100 is installed in the recording device 2 that records television programs as broadcast content.
- the recording device 2 is connected to the television receiver 3, and can record television programs received by the television receiver 3 in accordance with a user's reservation operation or the like.
- the information processing apparatus 100 may be installed in a television receiver having a recording function for recording television programs.
- the information processing apparatus 100 may be installed in a server, for example.
- the broadcast content is a terrestrial broadcast television program, but is not limited to this, and includes BS (Broadcasting Satellites) broadcast television programs, CS (Communication Satellites) broadcast television programs, and the like. You can stay.
- Broadcast content targeted by the information processing apparatus 100 is not limited to television broadcast content, and may include, for example, Internet broadcast content provided by a video sharing service.
- the information processing apparatus 100 includes, as shown in FIG. .
- the acquisition unit 11 acquires the viewing history of broadcast content that the user has viewed within a predetermined period of time in the past.
- broadcast content viewed by the user means broadcast content viewed by the user in real time on the television receiver 3 without being recorded on the recording device 2, and/or recording reservations made to the recording device 2. (ie, broadcast content scheduled to be recorded in the past and broadcast in the past, or broadcast content scheduled to be broadcast in the future).
- the "predetermined period” here is the period required for accumulating enough broadcast content to estimate the user's preference. Therefore, the predetermined period may be a variable period determined by the number of broadcast contents, or a period of one day, one week, or one month when statistically sufficient broadcast contents are considered to be accumulated. It may be a fixed period such as
- the “viewing history” referred to here includes the number of times the user has viewed the broadcast content and/or the date and time when the user has viewed the broadcast content. Further, the “viewing history” referred to here includes, for example, EPG (Electronic Program Guide) information and/or SI (Service Information) information, which are program information, when the broadcast content is a television program. In other words, the “viewing history” includes the details of the broadcast content, the number of views, and/or the viewing date and time.
- the “broadcast content content” may include, for example, the genre, title, cast, voice actor, director, director, original author, or producer name of the broadcast content. Genres may include, for example, documentary, news, variety, drama, or animation. Also, the content of the “broadcast content” may include a character string or the like that describes the content of the broadcast content.
- the "viewing history” may include keywords input by the user when searching for broadcast content, and/or user's evaluation of the broadcast content.
- the viewing history of the broadcast content viewed by the user is recorded when the user views the broadcast content on the television receiver 3 in real time, or when the user inputs the recording reservation to the recording device 2. is stored in the storage unit 15. Therefore, in the embodiment, the acquisition unit 11 acquires the viewing history by reading the viewing history from the storage unit 15 .
- the evaluating unit 13 Based on the viewing history acquired by the acquiring unit 11, the evaluating unit 13 evaluates the user's preference for the broadcast content from the broadcast content included in the viewing history that the user has viewed within a predetermined period of time in the past. A score of 1 and a score of 2 are given. That is, the evaluation unit 13 has the functions of the first evaluation unit and the second evaluation unit, and is an example of the first evaluation unit and an example of the second evaluation unit.
- the first score is an evaluation value for each individual preference tag given to each broadcast content from among multiple types of preference tags corresponding to multiple types of preferences of viewers.
- the first score is a set of numerical values assigned to each preference tag of each broadcast content. Therefore, if 10 kinds of preference tags are set in the information processing apparatus 100, the evaluation unit 13 gives a first score including 10 numerical values to one broadcast content.
- the second score is a combination preference tag that is a combination of two or more preference tags, and is a combination preference tag of multiple patterns, and a single preference tag in broadcast content when only one type of preference tag is given, and is a plurality of patterns.
- a combination preference tag is set by a combination of two kinds of preference tags
- 10 ⁇ 9/2 ⁇ 1 45 patterns of combinations are obtained from 10 kinds of preference tags.
- a single preference tag is information different from a preference tag in that it includes only a certain preference tag and does not include other preference tags.
- broadcast content to which a preference tag of tag A is assigned may have several combination preference tags including tag A, such as tag A and tag B, tag A and tag C, and so on.
- broadcast content having a single preference tag corresponding to the preference tag of tag A does not include other preference tags (that is, does not have a combination preference tag).
- the evaluation unit 13 assigns the first score from the preference tag assigned to the broadcast content, and further subdivides the second score depending on whether or not there is a combination preference tag and a single preference tag. Give. Giving of the first score and the second score by the evaluation unit 13 will be described later together with the description of the operation of the information processing apparatus 100 .
- a plurality of appropriate types of preference tags may be set according to the user's preference estimation using the information processing apparatus 100 .
- the preference tag is information corresponding to the above genre of broadcast content (including documentary, news, variety, drama, animation, etc.).
- the storage unit 15 is a storage device that stores information (computer programs, etc.) necessary for each unit of the information processing system 100 to execute various functions.
- the storage unit 15 is implemented by, for example, a semiconductor memory, but is not particularly limited, and known electronic information storage means can be used.
- the storage unit 15 stores, for example, viewing history. Further, in the embodiment, the storage unit 15 stores (stores) the first score and the second score of each broadcast content evaluated by the evaluation unit 13 . More specifically, storage unit 15 includes a first preference information table that stores first scores and a second preference information table that stores second scores.
- the first preference information table and the second preference information table stored in the storage unit 15 in this manner include information on preference tags of broadcast content that the user has viewed within a predetermined period, combination preference tags, and individual preference tags. I'm in. Therefore, by referring to the first preference information table and the second preference information table, it is possible to grasp the user's preference for broadcast content within a predetermined period.
- the first preference information table includes, as described above, the first scores related to preference tags for broadcast content viewed within a predetermined period.
- the second preference information table contains the second scores for the combination preference tag and the single preference tag for the broadcast contents viewed within the predetermined period. That is, by referring to the first preference information table and the second preference information table, the user's preference is not simply estimated based only on the preference tag, but the user's preference is estimated based on the combined preference tag and the single preference tag. can also be done.
- the combination preference tag and the single preference tag are in line with more subdivided user preferences such as a combination of two or more types of preference tags or no other type of preference tag to be combined.
- the output unit 17 refers to the first preference information table and the second preference information table, and selects preference information that matches the user's preference within a predetermined period of time.
- a combination preference tag of patterns and preference information obtained by combining one or more of single preference tags of a plurality of patterns are output.
- the output unit 17 is a processing unit implemented by a processor, a memory, and a program stored in the memory.
- the output unit 17 outputs the preference information to a matching device 300 or the like, which will be described later.
- the tagging device 150 is a device that gives preference tags to broadcast content.
- a preference tag is attached by the tagging device 150 and used for the processing of the information processing device 100 will be described. may be granted by
- the tagging device 150 is a processing unit implemented by a processor, memory, and programs stored in the memory.
- the tagging device 150 includes an AI model trained by learning corresponding to each type of preset preference tag. For example, when 20 kinds of preference tags are set, the tagging device 150 includes 20 AI models corresponding to each of the 20 kinds of preference tags.
- the tagging device 150 receives inputs such as EPG information and SI information of broadcast content. Then, the tagging device 150 inputs the received EPG information, SI information, etc.
- the tagging device 150 gives a preference tag to be given to the broadcast content based on the result output from the AI model. After that, the evaluation unit 13 acquires information on the broadcast content to which the preference tag has been assigned, which is output from the tagging device 150 .
- the content storage device 200 is a device for storing broadcast content, and is realized by a semiconductor memory or the like.
- the content storage device 200 records and stores, for example, all broadcast content being simultaneously broadcast by terrestrial broadcasting. The user can select and view any broadcast content from the broadcast content stored in the content storage device 200 .
- the matching device 300 is a device that uses the user's preference information output from the information processing device 100 to select broadcast content that matches the user's preference from among the broadcast contents stored in the content storage device 200 .
- Matching device 300 is a processing unit implemented by a processor, a memory, and a program stored in the memory. For example, the matching device 300 inputs broadcast content stored in the content storage device 200 to the tagging device 150 to add a preference tag. Then, based on the user's preference information output from the output unit 17, preference tags (and combination preference tags and single preference tags) attached to the broadcast content, preference tags in the preference information (and combination preference tags) and single preference tag). The matching device 300 selects, for example, broadcast content with the highest calculated degree of matching, or selects broadcast content with a calculated degree of matching higher than a threshold.
- the evaluation degree calculation unit 19 stores the broadcast content selected from the content storage device 200 by the matching device 300 in the first preference information table stored in the storage unit 15.
- an evaluation degree is calculated from the preference tag (and combination preference tag and single preference tag) in the preference information.
- the evaluation degree refers to, for example, 50 broadcast contents presented by the information processing system as recommendations to the user (for example, the top 50 contents in descending order of matching with the user's preference information).
- the total value of the matching degree for the first score and the matching degree for the second score is calculated, and the ratio to the predetermined total score value is used as an approximate value.
- This approximate value indicates to the user the degree of matching of the broadcast content calculated by the information processing apparatus 100 . Therefore, the user can grasp how much the broadcast content matches his or her preference just by looking at the approximate value, and thus the user can use it as an index for selecting the broadcast content that matches his/her preference. .
- the degree of matching for the first score is calculated from the number of matching preference tags between the preference tags on the broadcast content and the preference tags in the user's preference information. For example, the number of matching preference tags is multiplied by a preset coefficient to calculate the degree of matching for the first score.
- the degree of matching for the second score is the combination preference tag and the single preference tag on the broadcast content, and the combination preference tag and the single preference tag that match between the combination preference tag and the single preference tag in the user's preference information. Calculated from the number of tags. For example, the number of matching combination preference tags and single preference tags is multiplied by a preset coefficient to calculate the degree of matching for the second score.
- the sum of the degree of matching for the first score and the degree of matching for the second score of the first-ranked broadcast content among the broadcast contents presented by the information processing system is 83, and the total score of the second-ranked broadcast content is is 68, if the predetermined score is set to 100 to make it a percentage, the above approximate value will be 80 (user 80% match with the user's preference information), a numerical value of 70 (70% match with the user's preference information) is calculated as the evaluation level of the second-ranked broadcast content.
- the presentation device 400 reads the broadcast content selected by the matching device 300 and reproduces it on the display of the television receiver 3, or lists the selected broadcast content, thereby displaying the broadcast content that matches the user's taste.
- Present content The presentation device 400 includes, for example, a controller that reads broadcast content information from the content storage device 200 and a decoder that performs conversion for projection on a display.
- the broadcast content selected by the matching device 300 When the broadcast content selected by the matching device 300 is presented to the presentation device 400, together with the selected broadcast content, information about the content of the broadcast content, the evaluation degree calculated for the broadcast content, Tag information obtained by combining one or more of the plurality of types of preference tags, the plurality of patterns of combination preference tags, and the plurality of patterns of single preference tags assigned to the broadcast content, and between the user's preference information
- An image containing matching tag information may be presented.
- the image presented by the presentation device 400 is generated by the illustration unit 21 .
- the graphical representation unit 21 puts together the selected broadcast content, the information about the content of the broadcast content, the calculated rating, and the tag information, and creates an image in which the information can be grasped at a glance. Generate.
- FIG. 6 shows an example of a display screen when an image generated by the illustration unit 21 is presented by the presentation device 400.
- FIG. Image information representing the content of the broadcast content and text information representing the content of the broadcast content are presented from the content storage device 200 .
- the text information here may use EPG information and/or SI information attached to the broadcast content.
- the evaluation degree calculated by the evaluation degree calculation unit 19 as the basis for recommending the broadcast content, and the preference tag, combination preference tag, and combination preference tag that match between the broadcast content and the preference information as the reason for the high evaluation
- a single preference tag is displayed as an icon.
- FIG. 2 is a flowchart illustrating an example of processing of the information processing device according to the embodiment.
- the acquisition unit 11 acquires the user's viewing history stored in the storage unit 15 by accessing the storage unit 15 (acquisition step S101).
- the evaluation unit 13 selects one of the broadcast contents viewed by the user, included in the acquired viewing history (step S102).
- a preference tag is attached in advance to the broadcast content by the tagging device 150 .
- the evaluation unit 13 assigns the first score regarding the preference tag to the selected one broadcast content (first evaluation step S103).
- the evaluation unit 13 stores the given first score in the first preference information table of the storage unit 15 (first storing step S104).
- FIG. 3A is a diagram showing an example of the first score stored in the embodiment.
- the first row indicates the type of preference tag (tag A, tag B, . . . ), and the first column indicates the identification number of the broadcast content (content 1, content 2, .
- a numerical value indicating whether or not the preference tag is attached to the cell concerned in the broadcast content is indicated.
- the first score is "1" (an example of the first value) indicating that the preference tag is attached, and "0" (second value) indicating that the preference tag is not attached. example).
- the content 1 is given the preference tag of tag A, and is not given the preference tags of tag B, tag C, and tag D.
- the first score thus includes information as to whether or not each preference tag is attached to each broadcast content.
- This user has relatively many preference tags such as tag A and tag B, and in terms of preference tags, it can be said that there is a tendency to prefer broadcast content to which tag A and tag B are assigned.
- FIG. 4A is a diagram showing another example of the first score stored in the embodiment.
- FIG. 4A is similar to FIG. 3A, but differs from the example in FIG. 3A in that the numerical value of the first score is not binary "0" and "1".
- the first score may be a multilevel evaluation value consisting of three or more numerical values. That is, the first score is "1" (an example of the first value) indicating that the preference tag is attached, or between "1" and "0.1” (an example of the third value) which is expressed as a numerical value corresponding to the degree of association between the broadcast content and the preference tag, and "0" (an example of a second value) indicating that the preference tag is not assigned.
- the third value is not limited to "0.1” above, but may be a numerical value such as "0.01" or "0.001" that is far from the first value and infinitely close to the second value.
- the first score having a numerical value that matches any of the third values is given as a preference tag.
- a value close to the first value or a value close to the third value based on the degree of relevance between the broadcast content and the preference tag (for example, the frequency of appearance of the specific word, or the relationship between the specific word itself and the preference tag, etc.) is given.
- the preference tag given by the tagging device 150 may include information about the degree of association.
- the evaluation unit 13 assigns a second score for the combined preference tag and the single preference tag to the selected broadcast content (second evaluation step S105).
- the evaluation unit 13 stores the assigned second score in the second preference information table of the storage unit 15 (second storing step S106).
- FIG. 3B is a diagram showing an example of the second score stored in the embodiment.
- the combination preference tag pattern (A & B, A & C, . . . ) and the single preference tag pattern (A only, B only, . (content 1, content 2, . . . ) are indicated, and numerical values indicating whether or not the broadcast content has the combination preference tag and the single preference tag are indicated in the corresponding cells.
- the second score is "1" (an example of the first value) indicating that there is a combination preference tag and a single preference tag, and "0" indicating that there is no combination preference tag and a single preference tag ( an example of the second value).
- content 2 has a combination preference tag of A&B (combination of tag A and tag B) and does not have combination preference tags of A&C, A&D and B&C. Also, the content 2 does not have single preference tags of A only and B only.
- the evaluation unit 13 evaluates one of the combination preference tags of one pattern among the combination preference tags of a plurality of patterns.
- all of the first scores assigned to the broadcast contents are "1”
- "1" is assigned as the second score to the combination preference tag.
- the evaluation unit 13 evaluates each single preference tag of the pattern when only each of the two or more preference tags combined in the combination preference tag is given among the single preference tags of the plurality of patterns. , “0” is given as the second score.
- content 1 has a single preference tag of A only (not including preference tags other than tag A).
- Content 1 does not have combination preference tags of A&B, A&C, and A&D.
- the evaluation unit 13 sets the combination preference tag to In contrast, "0" is given as the second score, and only two or more preference tags combined in the combination preference tag among multiple patterns of single preference tags are given. For each single preference tag, the numerical value given as the first score to the corresponding preference tag is given as the second score.
- FIG. 4B is a diagram showing another example of the second score stored in the embodiment.
- FIG. 4B is similar to FIG. 3B, but differs from the example of FIG. 3B in that the numerical value of the second score is not binary "0" and "1".
- the second score may be a multilevel evaluation value consisting of three or more numerical values. That is, the second score is "1" (an example of the first value) indicating that the combined preference tag or the single preference tag is attached, or "1" and "0.1" (third value An example), which indicates the degree of relevance between the broadcast content and the combined preference tag or the single preference tag, and that the combination preference tag or the single preference tag is not assigned. 0” (an example of the second value).
- the smallest numerical value among the numerical values of the first score for the combination preference tag is set as the second score.
- the evaluation unit 13 determines that when at least one of the first scores given to one broadcast content of two or more preference tags combined in the combination preference tag is the second value, , assigning a second value as a second score to the combination preference tag, and assigning only each of the two or more preference tags combined in the combination preference tag among the plurality of patterns of single preference tags For each of the single preference tags of the pattern in the case of being given, the numerical value given as the first score to the corresponding preference tag is given as the second score.
- the evaluation unit 13 determines whether or not all broadcast contents included in the viewing history have been selected (step S107). Then, when the evaluation unit 13 determines that all the broadcast contents have not been selected (No in step S107), the process returns to step S102, another broadcast content is selected, and the first evaluation step S103 to second storage step S106 is repeated. When the evaluation unit 13 determines that all broadcast contents have been selected (Yes in step S107), the process ends. Then, the output unit 17 refers to the first preference information table and the second preference information table, and selects preference information that matches the user's preference within a predetermined period of time, and includes a combination of a plurality of types of preference tags and a plurality of patterns of preference information. The tag and the preference information combining one or more of a plurality of patterns of single preference tags are output (output step S108).
- FIG. 5 is a flowchart showing an example of processing for outputting preference information and presenting broadcast content according to the embodiment.
- FIG. 5 shows processing for outputting preference information by the output unit 17 and processing for presenting broadcast content.
- the output unit calculates the cumulative total of the first scores (step S201).
- the calculation of the cumulative first score is a process of calculating the cumulative first score for each preference tag for all broadcast contents within a predetermined period. Therefore, the cumulative value of the number corresponding to the preset number of types of preference tags is calculated for a predetermined period of time. Then, the output unit 17 selects the preference tag with the maximum accumulated value (step S202).
- the output unit 17 calculates the sum of the second scores of the broadcast contents viewed within a predetermined period (step S203).
- the calculation of the cumulative second score is a process of calculating the cumulative second score for each combination preference tag and single preference tag for all broadcast contents within a predetermined period. Therefore, the cumulative value of the number corresponding to the number of patterns of combination preference tags and the number of patterns of single preference tags set in advance is calculated for a predetermined period. Then, the output unit 17 selects the combination preference tag or the single preference tag with the maximum accumulated value (step S204).
- the output unit 17 determines whether or not the single preference tag was selected in step S204 (step S205). When the output unit 17 determines that a single preference tag has not been selected (that is, a combination preference tag has been selected) (No in step S205), it further determines whether the preference tag and the combination preference tag correspond to each other. is determined (step S206). Here, the output unit 17 determines whether or not the preference tag selected in step S202 is included in the preference tags combined in the combination preference tag selected in step S204.
- step S206 When the output unit 17 determines that the preference tag and the combination preference tag do not correspond (No in step S206), it outputs the selected preference tag and the preference information including the selected combination preference tag (step S207). On the other hand, when the output unit 17 determines that the preference tag and the combination preference tag correspond (Yes in step S206), it outputs preference information including the selected combination preference tag (step S208).
- step S205 when the output unit 17 determines that a single preference tag has been selected (Yes in step S205), it further determines whether the preference tag and the single preference tag correspond (step S209).
- the output unit 17 determines whether or not the preference tag selected in step S202 matches the preference tag corresponding to the single preference tag selected in step S204.
- the output unit 17 determines that the preference tag and the single preference tag do not correspond (No in step S209), it outputs the selected preference tag and the preference information including the selected single preference tag (step S210). On the other hand, when the output unit 17 determines that the preference tag and the single preference tag correspond (Yes in step S209), it outputs preference information including the selected combination preference tag (step S211).
- the presentation device 400 presents broadcast content (step S212). Specifically, when a preference tag is included in the output preference information, the matching device 300 first selects the broadcast content stored in the content storage device 200 to which the preference tag is attached. select broadcast content. Then, from among the selected broadcast contents, broadcast contents having a combined preference tag or a single preference tag are selected, and selection information regarding this selection is output to the presentation device 400 .
- the presentation device 400 reads the broadcast content from the content storage device 200 based on the selection information, performs processing such as decoding, and displays it on the display of the television receiver 3 or the like. If the output preference information does not contain any preference tag, the matching device 300 selects the broadcast content having the combination preference tag or the single preference tag from the broadcast content stored in the content storage device 200. is selected, and selection information regarding this selection is output to the presentation device 400 .
- the information processing device 100 was realized as a single device, but may be realized by a plurality of devices.
- the constituent elements included in the information processing device 100 may be distributed among the plurality of devices in any way. That is, the present disclosure may be implemented by cloud computing or by edge computing.
- all or part of the components of the information processing apparatus 100 in the present disclosure may be configured with dedicated hardware, or a software program suitable for each component may be executed. It may be realized by Each component may be implemented by a program execution unit such as a CPU (Central Processing Unit) or processor reading and executing a software program recorded in a recording medium such as a HDD (Hard Disk Drive) or semiconductor memory. good.
- a program execution unit such as a CPU (Central Processing Unit) or processor reading and executing a software program recorded in a recording medium such as a HDD (Hard Disk Drive) or semiconductor memory. good.
- the components of the information processing apparatus 100 in the present disclosure may be configured with one or more electronic circuits.
- Each of the one or more electronic circuits may be a general-purpose circuit or a dedicated circuit.
- One or more electronic circuits may include, for example, a semiconductor device, an IC (Integrated Circuit), or an LSI (Large Scale Integration).
- An IC or LSI may be integrated on one chip or may be integrated on a plurality of chips. Although they are called ICs or LSIs here, they may be called system LSIs, VLSIs (Very Large Scale Integration), or ULSIs (Ultra Large Scale Integration) depending on the degree of integration.
- An FPGA Field Programmable Gate Array
- general or specific aspects of the present disclosure may be implemented as a system, apparatus, method, integrated circuit, or computer program.
- a computer-readable non-temporary recording medium such as an optical disk, HDD, or semiconductor memory storing the computer program.
- the present disclosure may be implemented as a program for causing a computer to execute the control method in the above embodiments.
- this program may be recorded in a non-temporary recording medium such as a computer-readable CD-ROM, or distributed through a communication channel such as the Internet.
- the information processing apparatus 100 of the first mode in the embodiment includes the acquisition unit 11 that acquires the viewing history of the broadcast content that the user has viewed within a predetermined period in the past, and A first evaluation unit (one of the functions of the evaluation unit 13) that assigns a first score for each individual preference tag assigned to each broadcast content from among a plurality of types of preference tags corresponding to each type of preference.
- a second evaluation unit (one of the functions of the evaluation unit 13) that assigns a second score for a combination preference tag or a single preference tag corresponding to each broadcast content among the single preference tags, and a second score included in the acquired viewing history a first preference information table storing a first score calculated for each of the broadcast contents included in the acquired viewing history; and a second preference information table storing a second score calculated for each of the broadcast contents included in the acquired viewing history.
- preference information that matches the user's preference within a predetermined period including a plurality of types of preference tags, a plurality of patterns of combination preference tags, and a plurality of patterns of preference tags
- Such an information processing apparatus 100 can estimate the user's preferences more subdivided than before by combining the first score for the preference tag and the second score for the combined preference tag and the single preference tag. . Therefore, it is possible to reflect the user's preferences more accurately, for example, in the selection of broadcast content.
- the first evaluation unit determines, in one broadcast content, the preference tag assigned to one broadcast content among a plurality of types of preference tags. is assigned a first value as a first score, and a second value different from the first value is assigned to a preference tag that is not assigned to one broadcast content among a plurality of types of preference tags. It is the information processing apparatus 100 according to the first mode, which is given as one score.
- the preference tag assigned to one broadcast content is digitized depending on whether the first value or the second value is assigned, and the presence or absence of the preference tag is taken into account to generate user preference information. It can be performed.
- the second evaluation unit in one broadcast content, for one pattern combination preference tag among a plurality of patterns of combination preference tags and when the first score given to one broadcast content of two or more preference tags combined in the combination preference tag is all the first value, the first value is assigned to the combination preference tag.
- the combination preference tag and the single preference tag assigned to one broadcast content are digitized depending on whether the first value or the second value is assigned, and used to generate user preference information. can be done.
- the first evaluation unit determines, in one broadcast content, the preference tag assigned to one broadcast content among a plurality of types of preference tags. is a numerical value between the first value and a third value different from the first value, and is given as a first score according to the degree of relevance between the broadcast content and the preference tag, assigning a second value, which is a numerical value that is not included between the first value and the third value, as a score to a preference tag that is not assigned to one broadcast content among a plurality of types of preference tags;
- An information processing apparatus 100 according to a first aspect.
- the preference tag assigned to one broadcast content is digitized depending on whether the first value, the third value, or the second value is assigned, and the degree of similarity of the preference tag is digitized.
- the numerical value can include whether it is related to the broadcast content of Then, it is possible to generate the user's preference information in consideration of the presence/absence of the preference tag and the degree of association between the preference tag and one broadcast content.
- the second evaluation unit in one broadcast content, for one pattern combination preference tag among a plurality of patterns of combination preference tags
- the first score assigned to one broadcast content of two or more preference tags combined in the combination preference tag is a numerical value that is not the second value
- the first score for the combination preference tag The smallest numerical value among the numerical values is given as the second score, and only two or more preference tags that are combined in the combination preference tag among the single preference tags of multiple patterns are given
- a second value is given as a second score to each single preference tag of the pattern, and at least the first score given in one broadcast content of two or more preference tags combined in the combination preference tag
- the second value is given as the second score to the combination preference tag, and two of the multiple patterns of single preference tags are combined in the combination preference tag.
- the combination preference tag or the single preference tag assigned to one broadcast content is quantified depending on whether the first value, the third value, or the second value is assigned, and the combination
- the numerical value can include how relevant the preference tag or a single preference tag is to a piece of broadcast content.
- the user's preference information can be generated in consideration of the presence/absence of a combined taste tag or single taste tag and the degree of association between the combined taste tag or single taste tag and one broadcast content.
- the output unit 17 outputs the first preference tags of all the broadcast contents included in the acquired viewing history for each of the plurality of types of preference tags stored in the first preference information table.
- a cumulative score is calculated, and the cumulative second score of all broadcast contents included in the acquired viewing history is calculated for each of the plurality of patterns of combination preference tags and the plurality of patterns of single preference tags stored in the second preference information table.
- the information processing apparatus 100 according to any one of the first to fifth aspects, which outputs information.
- the information processing method of the seventh aspect in the embodiment includes an acquisition step of acquiring a viewing history of broadcast content that the user has viewed within a predetermined period of time in the past; A first evaluation step S103 of assigning a first score for each individual preference tag assigned to each broadcast content from among a plurality of types of corresponding preference tags, and a combination preference tag combining two or more preference tags.
- a second evaluation step S105 that assigns a second score for the tag or the single preference tag, a first storage step S104 that stores the first score calculated for each broadcast content included in the acquired viewing history, and the acquired a second storing step S106 for storing the second score calculated for each of the broadcast contents included in the viewing history obtained;
- Preference information that matches the user's preference within a predetermined period of time, and is preference information that combines one or more of a plurality of types of preference tags, a plurality of patterns of combination preference tags, and a plurality of patterns of single preference tags.
- an output step S108 for outputting .
- program of the eighth aspect in the embodiment causes one or more processors to execute the information processing method described above in the seventh aspect.
- an information processing system includes the information processing apparatus 100 according to any one aspect of the first to sixth aspects, and for presenting to the user based on the output preference information, A matching device 300 that selects one or more broadcast contents of, an evaluation level calculation unit 19 that calculates an evaluation level based on each of the selected one or more broadcast contents and preference information, and one or more selected broadcast contents together with information on the content of the broadcast content, the evaluation degree calculated for the broadcast content, the plurality of types of preference tags, the combination preference tags of the plurality of patterns, and the plurality of patterns of preference tags given to the broadcast content A diagramming unit 21 for generating an image including tag information that is a combination of one or more single preference tags and that matches the user's preference information.
- Such an information processing system can present broadcast content that matches the preference information output by the information processing device 100 .
- information about the contents of the broadcast content, the evaluation degree calculated for the broadcast content, the plurality of types of preference tags and the plurality of patterns given to the broadcast content and tag information obtained by combining one or more of a plurality of patterns of individual preference tags, and tag information that matches the user's preference information is generated and presented.
- the user can grasp the information, ie, how the presented broadcast content was selected, at a glance.
- the present disclosure is applicable to a system or the like for estimating a user's preference from the viewing history of broadcast content viewed by the user.
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Abstract
Description
まず、発明者の着眼点が、下記に説明される。
[1.構成]
以下、実施の形態における情報処理装置100及び情報処理装置100を利用した情報処理システムについて図1を用いて説明する。図1は、実施の形態における情報処理装置等の構成を示す概要図である。情報処理装置100は、ユーザが視聴した放送コンテンツの視聴履歴からユーザの嗜好を推定するための装置である。情報処理システムでは、情報処理装置100と併せて、タグ付与装置150、コンテンツ記憶装置200,マッチング装置300、及び、提示装置400が組み合わされることにより、放送コンテンツの中から、情報処理装置100によって推定されたユーザの嗜好に適合する放送コンテンツを提示することが可能となる。
以上のように構成された情報処理装置100の動作について、以下図2~図5を用いて説明する。図2は、実施の形態における情報処理装置の処理の一例を示すフローチャートである。
以上のように、本出願において開示する技術の例示として、実施の形態を説明した。しかしながら、本開示における技術は、これに限定されず、適宜、変更、置き換え、付加、省略等を行った実施の形態にも適用可能である。また、上記実施の形態で説明した各構成要素を組み合わせて、新たな実施の形態とすることも可能である。
以上述べたように、実施の形態における第1態様の情報処理装置100は、ユーザが過去の所定期間内において視聴した放送コンテンツの視聴履歴を取得する取得部11と、それぞれが、視聴者における複数種類の嗜好のそれぞれに対応する複数種類の嗜好タグの中から、放送コンテンツのそれぞれに対して付与された個々の嗜好タグに関する第1スコアを付与する第1評価部(評価部13の機能の一つ)と、嗜好タグを2以上組合せた組合せ嗜好タグであって複数パターンの組合せ嗜好タグ、及び、1種類の嗜好タグのみが付与された場合の放送コンテンツにおける単独嗜好タグであって複数パターンの単独嗜好タグのうち、放送コンテンツのそれぞれに対応する組合せ嗜好タグ又は単独嗜好タグに関する第2スコアを付与する第2評価部(評価部13の機能の一つ)と、取得された視聴履歴に含まれる放送コンテンツのそれぞれにおいて算出された第1スコアを格納する第1嗜好情報テーブルと、取得された視聴履歴に含まれる放送コンテンツのそれぞれにおいて算出された第2スコアを格納する第2嗜好情報テーブルと、第1嗜好情報テーブル及び第2嗜好情報テーブルを参照し、所定期間内におけるユーザの嗜好に適合する嗜好情報であって、複数種類の嗜好タグ、複数パターンの組合せ嗜好タグ、及び、複数パターンの単独嗜好タグの中から1以上を組み合わせた嗜好情報を出力する出力部17と、を備える。
3 テレビジョン受像機
11 取得部
13 評価部
15 記憶部
17 出力部
19 評価度算出部
21 図示化部
100 情報処理装置
150 タグ付与装置
200 コンテンツ記憶装置
300 マッチング装置
400 提示装置
Claims (9)
- ユーザが過去の所定期間内において視聴した放送コンテンツの視聴履歴を取得する取得部と、
それぞれが、視聴者における複数種類の嗜好のそれぞれに対応する複数種類の嗜好タグの中から、放送コンテンツのそれぞれに対して付与された個々の前記嗜好タグに関する第1スコアを付与する第1評価部と、
前記嗜好タグを2以上組合せた組合せ嗜好タグであって複数パターンの組合せ嗜好タグ、及び、1種類の前記嗜好タグのみが付与された場合の放送コンテンツにおける単独嗜好タグであって複数パターンの単独嗜好タグのうち、放送コンテンツのそれぞれに対応する前記組合せ嗜好タグ又は前記単独嗜好タグに関する第2スコアを付与する第2評価部と、
取得された前記視聴履歴に含まれる放送コンテンツのそれぞれにおいて算出された前記第1スコアを格納する第1嗜好情報テーブルと、
取得された前記視聴履歴に含まれる放送コンテンツのそれぞれにおいて算出された前記第2スコアを格納する第2嗜好情報テーブルと、
前記第1嗜好情報テーブル及び前記第2嗜好情報テーブルを参照し、前記所定期間内におけるユーザの嗜好に適合する嗜好情報であって、複数種類の前記嗜好タグ、複数パターンの前記組合せ嗜好タグ、及び、複数パターンの前記単独嗜好タグの中から1以上を組み合わせた嗜好情報を出力する出力部と、を備える
情報処理装置。 - 前記第1評価部は、一の放送コンテンツにおいて、
複数種類の前記嗜好タグの中で、一の放送コンテンツに付与された前記嗜好タグに対して、第1値を前記第1スコアとして付与し、
複数種類の前記嗜好タグの中で、前記一の放送コンテンツに付与されていない前記嗜好タグに対して、前記第1値とは異なる第2値を前記第1スコアとして付与する
請求項1に記載の情報処理装置。 - 前記第2評価部は、一の放送コンテンツにおいて、
複数パターンの前記組合せ嗜好タグの中の、1つのパターンの前記組合せ嗜好タグに対して、当該組合せ嗜好タグにおいて組合せられている2以上の前記嗜好タグの前記一の放送コンテンツにおいて付与された前記第1スコアがいずれも前記第1値である場合に、当該組合せ嗜好タグに対して前記第1値を前記第2スコアとして付与し、かつ、複数パターンの前記単独嗜好タグの中の、当該組合せ嗜好タグにおいて組合せられている2以上の前記嗜好タグのそれぞれのみが付与された場合のパターンの前記単独嗜好タグのそれぞれに対して、前記第2値を前記第2スコアとして付与し、
当該組合せ嗜好タグにおいて組合せられている2以上の前記嗜好タグの前記一の放送コンテンツにおいて付与された前記第1スコアの少なくとも一方が前記第2値である場合に、当該組合せ嗜好タグに対して前記第2値を前記第2スコアとして付与し、かつ、複数パターンの前記単独嗜好タグの中の、当該組合せ嗜好タグにおいて組合せられている2以上の前記嗜好タグのそれぞれのみが付与された場合のパターンの前記単独嗜好タグのそれぞれに対して、対応する前記嗜好タグに前記第1スコアとして付与された数値を前記第2スコアとして付与する
請求項2に記載の情報処理装置。 - 前記第1評価部は、一の放送コンテンツにおいて、
複数種類の前記嗜好タグの中で、一の放送コンテンツに付与された前記嗜好タグに対して、第1値と、前記第1値とは異なる第3値との間の数値であって、当該放送コンテンツと当該嗜好タグとの関連度に応じた数値を前記第1スコアとして付与し、
複数種類の前記嗜好タグの中で、前記一の放送コンテンツに付与されていない前記嗜好タグに対して、前記第1値と前記第3値との間に含まれない数値である第2値をスコアとして付与する
請求項1に記載の情報処理装置。 - 前記第2評価部は、一の放送コンテンツにおいて、
複数パターンの前記組合せ嗜好タグの中の、1つのパターンの前記組合せ嗜好タグに対して、当該組合せ嗜好タグにおいて組合せられている2以上の前記嗜好タグの前記一の放送コンテンツにおいて付与された前記第1スコアがいずれも前記第2値でない数値の場合に、当該組合せ嗜好タグに対して前記第1スコアの数値のうち最も小さい数値を前記第2スコアとして付与し、かつ、複数パターンの前記単独嗜好タグの中の、当該組合せ嗜好タグにおいて組合せられている2以上の前記嗜好タグのそれぞれのみが付与された場合のパターンの前記単独嗜好タグのそれぞれに対して、前記第2値を前記第2スコアとして付与し、
当該組合せ嗜好タグにおいて組合せられている2以上の前記嗜好タグの前記一の放送コンテンツにおいて付与された前記第1スコアの少なくとも一方が前記第2値である場合に、当該組合せ嗜好タグに対して前記第2値を前記第2スコアとして付与し、かつ、複数パターンの前記単独嗜好タグの中の、当該組合せ嗜好タグにおいて組合せられている2以上の前記嗜好タグのそれぞれのみが付与された場合のパターンの前記単独嗜好タグのそれぞれに対して、対応する前記嗜好タグに前記第1スコアとして付与された数値を前記第2スコアとして付与する
請求項4に記載の情報処理装置。 - 前記出力部は、
前記第1嗜好情報テーブルに格納された複数種類の前記嗜好タグごとに、取得された前記視聴履歴に含まれる放送コンテンツすべての前記第1スコアの累計を算出し、
前記第2嗜好情報テーブルに格納された複数パターンの前記組合せ嗜好タグ及び複数パターンの前記単独嗜好タグごとに、取得された前記視聴履歴に含まれる放送コンテンツすべての前記第2スコアの累計を算出し、
算出した前記第1スコアの累計及び前記第2スコアの累計に基づいて、複数種類の前記嗜好タグ、複数パターンの前記組合せ嗜好タグ、及び、複数パターンの前記単独嗜好タグの中から1以上を組み合わせた前記嗜好情報を出力する
請求項1に記載の情報処理装置。 - ユーザが過去の所定期間内において視聴した放送コンテンツの視聴履歴を取得する取得ステップと、
それぞれが、視聴者における複数種類の嗜好のそれぞれに対応する複数種類の嗜好タグの中から、放送コンテンツのそれぞれに対して付与された個々の前記嗜好タグに関する第1スコアを付与する第1評価ステップと、
前記嗜好タグを2以上組合せた組合せ嗜好タグであって複数パターンの組合せ嗜好タグ、及び、1種類の前記嗜好タグのみが付与された場合の放送コンテンツにおける単独嗜好タグであって複数パターンの単独嗜好タグのうち、放送コンテンツのそれぞれに対応する前記組合せ嗜好タグ又は前記単独嗜好タグに関する第2スコアを付与する第2評価ステップと、
取得された前記視聴履歴に含まれる放送コンテンツのそれぞれにおいて算出された前記第1スコアを格納する第1格納ステップと、
取得された前記視聴履歴に含まれる放送コンテンツのそれぞれにおいて算出された前記第2スコアを格納する第2格納ステップと、
前記第1格納ステップ及び前記第2格納ステップで格納された前記第1スコア及び前記第2スコアを参照し、前記所定期間内におけるユーザの嗜好に適合する嗜好情報であって、複数種類の前記嗜好タグ、複数パターンの前記組合せ嗜好タグ、及び、複数パターンの前記単独嗜好タグの中から1以上を組み合わせた嗜好情報を出力する出力ステップと、を含む
情報処理方法。 - 1以上のプロセッサに、
請求項7に記載の情報処理方法を実行させる
プログラム。 - 請求項1~6のいずれか1項に記載の情報処理装置と、
出力された前記嗜好情報に基づいてユーザに提示するための1以上の放送コンテンツを選択するマッチング装置と、
選択された1以上の放送コンテンツのそれぞれと前記嗜好情報とに基づく評価度を算出する評価度算出部と、
選択された1以上の放送コンテンツと共に、当該放送コンテンツの内容に関する情報と、当該放送コンテンツに対して算出された前記評価度と、当該放送コンテンツに付与された、複数種類の前記嗜好タグ、複数パターンの前記組合せ嗜好タグ、及び、複数パターンの前記単独嗜好タグの中から1以上を組み合わせたタグ情報であって、ユーザの前記嗜好情報との間で一致するタグ情報と、を含む画像を生成する図示化部と、を備える
情報処理システム。
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JP2012070175A (ja) * | 2010-09-22 | 2012-04-05 | Toshiba Corp | コンテンツ推薦装置 |
WO2013121470A1 (ja) * | 2012-02-15 | 2013-08-22 | パナソニック株式会社 | コンテンツ提示装置、端末、システム、プログラム、および、方法 |
JP2013229724A (ja) * | 2012-04-25 | 2013-11-07 | Sony Corp | 情報処理装置、情報処理方法、コンピュータプログラム、端末および情報処理システム |
JP2014049892A (ja) * | 2012-08-30 | 2014-03-17 | Toshiba Corp | 嗜好番組データ管理装置及び方法及びテレビジョン受信装置 |
JP2015201719A (ja) * | 2014-04-07 | 2015-11-12 | Necパーソナルコンピュータ株式会社 | 情報処理装置、情報処理方法、及びプログラム |
JP2016134859A (ja) * | 2015-01-21 | 2016-07-25 | 株式会社ナイルワークス | 動画配信システム |
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JP2006060600A (ja) | 2004-08-20 | 2006-03-02 | Sony Corp | 情報処理装置および方法、並びにプログラム |
JP2012070175A (ja) * | 2010-09-22 | 2012-04-05 | Toshiba Corp | コンテンツ推薦装置 |
WO2013121470A1 (ja) * | 2012-02-15 | 2013-08-22 | パナソニック株式会社 | コンテンツ提示装置、端末、システム、プログラム、および、方法 |
JP2013229724A (ja) * | 2012-04-25 | 2013-11-07 | Sony Corp | 情報処理装置、情報処理方法、コンピュータプログラム、端末および情報処理システム |
JP2014049892A (ja) * | 2012-08-30 | 2014-03-17 | Toshiba Corp | 嗜好番組データ管理装置及び方法及びテレビジョン受信装置 |
JP2015201719A (ja) * | 2014-04-07 | 2015-11-12 | Necパーソナルコンピュータ株式会社 | 情報処理装置、情報処理方法、及びプログラム |
JP2016134859A (ja) * | 2015-01-21 | 2016-07-25 | 株式会社ナイルワークス | 動画配信システム |
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