WO2004095317A1 - ユーザーの嗜好によるコンテンツ検索プログラム、方法、及び装置 - Google Patents
ユーザーの嗜好によるコンテンツ検索プログラム、方法、及び装置 Download PDFInfo
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- WO2004095317A1 WO2004095317A1 PCT/JP2004/005453 JP2004005453W WO2004095317A1 WO 2004095317 A1 WO2004095317 A1 WO 2004095317A1 JP 2004005453 W JP2004005453 W JP 2004005453W WO 2004095317 A1 WO2004095317 A1 WO 2004095317A1
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- Prior art keywords
- preference data
- content
- user
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- preference
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Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
- G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
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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
- G06F16/43—Querying
- G06F16/435—Filtering based on additional data, e.g. user or group profiles
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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
- G06F16/60—Information retrieval; Database structures therefor; File system structures therefor of audio data
- G06F16/63—Querying
- G06F16/632—Query formulation
- G06F16/634—Query by example, e.g. query by humming
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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
- G06F16/60—Information retrieval; Database structures therefor; File system structures therefor of audio data
- G06F16/63—Querying
- G06F16/635—Filtering based on additional data, e.g. user or group profiles
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/60—Information retrieval; Database structures therefor; File system structures therefor of audio data
- G06F16/68—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
Definitions
- the present invention relates to, for example, a program including a function of performing data processing on preference data from a user terminal device, a data bright processing method, and a data processing device.
- a data processing device that provides content or the like that matches the taste of a user based on data indicating a user's attribute book such as a user's operation history.
- An object of the present invention is to provide a program, a data processing method, and a data processing device capable of providing data indicating content of a user's preference, which cannot be grasped from attributes such as a user's own operation history.
- a first aspect of the present invention is a program to be executed by a data processing device, the program being defined for each of a plurality of users and indicating a favorite content of each user.
- a first procedure for identifying other first preference data indicating the same content as the content indicated by the predetermined first preference data, among the first preference data of the first preference data;
- each of a plurality of users is addressed.
- other first preference data indicating the same content as the content indicated by the predetermined first preference data To identify.
- second preference data is generated using predetermined first preference data and other first preference data specified in the first procedure.
- a second aspect of the present invention provides a method for setting a predetermined content among a plurality of first preference data defined corresponding to each of a plurality of users and indicating each user's favorite content.
- a third aspect of the present invention provides a method for setting a predetermined content among a plurality of first preference data defined corresponding to each of a plurality of users and indicating a favorite content of each user.
- a specifying unit that specifies the other first preference data indicating the same content as the content indicated by the first preference data of the first preference data; the specified first preference data that is specified by the specified unit; A preference data generation unit that generates second preference data using the other first preference data.
- FIG. 1 is an overall configuration diagram showing a first embodiment of a data processing system employing a data processing device according to the present invention.
- FIG. 2 is a hardware functional block diagram of the data processing system shown in FIG.
- FIG. 3 is a diagram showing a specific example of a favorite list processed by the user terminal device and the data processing device shown in FIG.
- FIG. 4 is a functional block diagram of the data processing device shown in FIG.
- FIG. 5 is a diagram for explaining the operation of the specifying unit of the data processing device shown in FIG.
- FIG. 6A, 6B, and 6C are diagrams for explaining the operation of the recommended list generation unit of the data processing device shown in FIG.
- FIG. 6A is a diagram showing a specific example of the favorite content list Dt3.
- FIG. 6B is a diagram showing a specific example of the favorite content list Dt4.
- FIG. 6C is a diagram showing a specific example of the recommended content list Dr-1.
- FIG. 7 is a diagram for explaining the operation of the data processing device shown in FIG.
- FIG. 8 is a diagram for explaining the operation of a data processing system employing the data processing device shown in FIG.
- FIGS. 9A, 9B, and 9C are diagrams for explaining the operation of the recommendation list generation unit of the second embodiment of the data processing device according to the present invention.
- FIG. 9A is a diagram showing a specific example of the favorite content list Dt3.
- FIG. 9B is a diagram showing a specific example of the favorite content list Dt4.
- FIG. 9C is a diagram showing a specific example of the recommended content list D—r1.
- FIG. 10 is a diagram for explaining the operation of the second embodiment of the data processing device according to the present invention.
- FIG. 1 is an overall configuration diagram showing a first embodiment of a data processing system employing a data processing device according to the present invention.
- the data processing system 1 includes a user terminal device 2 and a data processing device 3, for example, as shown in FIG.
- the user terminal device 2 and the data processing device 3 are connected by a communication network 4.
- the user terminal device 2 receives the user u according to the present invention, for example, in response to the operation of the user u.
- a favorite content list (also referred to as a favorite content list) corresponding to the first preference data indicating the favorite content of the user is generated, and the generated favorite content list is transmitted to the data processing device 3 via the communication network 4.
- the user terminal device 2 transmits a request for a recommended content list that is highly likely to meet the user u's preference to the data processing device 3 via the communication network 4 according to the operation of the user u.
- the user terminal device 2 receives and displays the recommended content list transmitted by the data processing device 3 via the communication network 4.
- the user terminal device 2 manages the content list of the user u, and can distinguish among the content lists that the user u particularly likes. For example, this is managed as the above-mentioned favorite content list.
- the content is generally distributed and broadcast on the communication network 4 or mass media, and is known by a plurality of users.
- the user terminal device 2 has a plurality of user terminal devices, for example, user terminal devices 2_1 to 4 as shown in FIG.
- the user terminal devices 2-1 to 4 are respectively operated by the users uA to D as shown in FIG.
- the data processing device 3 receives the favorite content list from the plurality of user terminal devices 2 via the communication network 4 and stores it.
- the data processing device 3 when the data processing device 3 receives a request for a recommended content list that is highly likely to meet the preference of the user u from the user terminal device 2, for example, the data processing device 3 generates recommended content according to the request, The data is transmitted to the user terminal device 2 operated by the user u.
- the data processing device 3 stores the favorite content list Dt transmitted from the user terminal device 2, and more specifically, stores the favorite content list Dt as a database. Further, the data processing device 3 performs a similar data search between a specific user's favorite content list and a database, extracts a content list of a user having similar preferences, and combines the plurality of extracted content lists. Aggregate, calculate points for each content, sort the content in descending order of points, and return information to the specific user.
- FIG. 2 is a hardware functional block diagram of the data processing system shown in FIG.
- the user terminal device 2 includes an interface (I / F) 21, an input unit 22, an output unit 23, a storage unit 24, a ROM (Read Only Memory) 25, and a RAM (Random Access Memory) 2. 6 and CPU (Central Processing Unit) 27.
- the I / F 21 input section 22, output section 23, storage section 24, ROM 25, RAM 26, and CPU 27 are connected by a bus BS.
- the IZF 21 performs data communication with the data processing device 3 via the communication network 4 under the control of the CPU 27.
- the input unit 22 outputs, for example, a signal corresponding to a user operation to the CPU 27.
- the CPU 27 performs processing according to the signal.
- the input unit 22 is configured by input devices such as a keyboard and a mouse.
- the output unit 23 displays a predetermined image, for example, a favorite content list ⁇ and a recommended content list under the control of the CPU 27.
- the output unit 23 includes a display device such as a display and an output device such as a printer.
- the storage unit 24 stores predetermined data and programs under the control of the CPU 27.
- the storage unit 24 is configured by a storage device such as a hard disk drive.
- the storage unit 24 stores, for example, a program PRG and a favorite content list Dt as shown in FIG.
- the favorite content list Dt corresponds to an example of the first preference data according to the present invention.
- the program PRG is executed using the RAM 26 as a workspace, for example, under the control of the CPU 27, and requests the processing of the user terminal device 2, for example, a function for generating a favorite content list, a recommended content list, and the like. And the like.
- the CPU 27 executes the program PRG to realize its function.
- the favorite content list D-t is data indicating user u's favorite content defined for each user u.
- FIG. 3 is a diagram showing a specific example of a favorite list processed by the user terminal device and the data processing device shown in FIG.
- music content there are various types of content, such as music content, image content, and movie content.
- music content will be described as an example of the content.
- the favorite content list Dt of the user u stores information on the content, for example, meta information, as shown in FIG.
- information on the content for example, a title D-tt, an artist D-ta, and the like are used as identifiers.
- the title name D-tt is data such as a title name indicating a favorite content, for example, a song name.
- the artist name D-ta is data such as an artist name of a favorite content, for example, a name.
- this favorite content Dt is not limited to this form. Further, various information such as a label name may be added. Also, movie content In this case, the name of the supervisor, the distribution company, etc. may be used as the identifier.
- the favorite content list Dt is data indicating the content that the user u-A has distinguished as a favorite among the data indicating the preference content of the user u-A.
- the favorite content list D-t of the user u-A is associated with the title name D-tt and the artist name D-ta as shown in FIG.
- a title a aa a an artist a a, a title b b b b, an artist b b, a title ccc c, an artist c c, a title d d d d d, an artist d d,.
- the ROM 25 stores, for example, various initial parameters and initial data, and is read by the CPU 27 and used for predetermined processing.
- the RAM 26 is used as a workspace when executing the program PRG under the control of the CPU 27, for example.
- the CPU 27 executes the program PRG using the RAM 26 as a workspace, for example.
- the CPU 27 generates a favorite content list D-t based on a signal corresponding to the operation of the user u, for example, input from the input unit 22, and transmits the favorite content list D-t to the communication network IZF2]. Output to the data processing device 3 via the network 4.
- the CPU 27 outputs the recommended content list received by the I / F 21 to the output unit 23 for display.
- the data processing device 3 includes, for example, an I / F 31, an input unit 32, an output unit 33, a storage unit 34, a ROM 35, a RAM 36, and a CPU 37, as shown in FIG.
- the I / F 31, the input unit 32, the output unit 33, the storage unit 34, the ROM 35, the RAM 36, and the CPU 37 are connected by a bus BS.
- the components of the data processing device 3 are almost the same as those of the user terminal device 2. It is good.
- the I / F 31 performs data communication with a plurality of user terminal devices 2, for example, the user terminal devices 2-1 to 4 via a communication network under the control of the CPU 38.
- the input unit 32 outputs a signal according to a user operation to the CPU 37, for example.
- the CPU 37 performs processing according to the signal.
- the input unit 32 is configured by input devices such as a keyboard and a mouse.
- the output unit 33 displays a predetermined image under the control of the CPU 37.
- the output unit 33 includes a display device such as a display and an output device such as a printer.
- the storage unit 34 stores predetermined data and programs under the control of the CPU 37.
- the storage unit 34 includes a storage device such as a hard disk drive.
- the storage unit 34 includes, for example, a plurality of favorite content lists D—t, for example, favorite contents corresponding to users u—A, B, C, and D, respectively.
- List D—r 1 to 4, recommended content list D—r, and program PRG are stored.
- the recommended content list D_r corresponds to an example of the second preference data according to the present invention.
- the favorite content list Dt is a favorite content list of each of the users u transmitted from the user terminal device 2, for example.
- the CPU 37 manages the favorite content list Dt for each user u.
- the recommended content list D_r is generated by the CPU 37, and is, for example, preference data indicating content recommended for a specific user.
- the program PRG is executed by using the RAM 36 as a workspace under the control of the CPU 37, for example, and the processing of the data processing device 3, for example, the function of generating the recommended content list Dr, and the recommendation from the user terminal device 2. Output the recommended content list D-r to the request source according to the content list request Has functions.
- the ROM 35 stores, for example, various initial parameters and initial data, and the stored data is read out by the CPU 37 and used for predetermined processing.
- the RAM 36 is used as a workspace for executing the program PRG under the control of the CPU 37, for example.
- the CPU 37 controls the IZF 31, the input section 32, the output section 33, the storage section 34, the ROM 35, the RAM 36, and the like.
- the CPU 37 stores the favorite content list Dt received by the IZF 31 in the storage unit 34.
- FIG. 4 is a functional block diagram of the data processing device shown in FIG.
- the CPU 37 executes, for example, a program PRG, and realizes, for example, the functions of a specifying unit 371, a recommended list generating unit 372, and the like as shown in FIG.
- the specifying unit 371 corresponds to an example of the specifying unit according to the present invention
- the recommended list generating unit 372 corresponds to an example of the preference data generating unit.
- the specifying unit 371 among the plurality of first preference data defined corresponding to each of the plurality of users u and indicating the content of each user's preference, indicates the predetermined first preference data.
- the other first preference data indicating the same content as the content is specified, and the data indicating the result is output to the recommendation list generation unit 372 as a signal S371.
- the identification unit 371 is, for example, a user u—of a plurality of favorite content lists D—t defined corresponding to the plurality of users and indicating the favorite content of each user u.
- the favorite content list D—t of another user that shows the same content as the content indicated by A's favorite content list D—t 1 ′ is identified, and the data indicating the result is recommended as a signal D 3 7 1. It is output to the default generation unit 37.
- the recommendation list generation section 37 2 includes a predetermined first preference data and a specific section 3 71.
- the second preference data is generated using the determined other signal S 371 indicating the first preference data.
- the recommendation list generation unit 372 includes a favorite content list D—t1 of the user u—A and a favorite content list D—t of another user u identified by the identification unit 371. To generate the recommended content list D_r. Further, the recommendation list generation unit 372 determines the content of each of the contents based on the predetermined first preference data and the number of the contents indicated by the other first preference data identified by the identification unit 371. Ranking, and based on the results of the ranking,
- the recommendation list generation unit 372 includes the content list indicated by the favorite content list D—t1 of the user u—A and the favorite content list D—t of another user identified by the identification unit 371. Based on the respective numbers, the respective contents are ranked, and based on the result of the ranking, a recommended content list D-r of the user u-A is generated.
- the recommendation list generation unit 372 for example, when the IZF 31 receives a request for a recommendation content list from the user terminal device 2 operated by the user u, the user terminal of the request source.
- the device 2 outputs the recommended content list Dr for the user to the IZF 31 via the communication network 4.
- the recommendation list generation unit 372 stores the recommendation content list Dr for the user in the storage unit 34.
- FIG. 5 is a diagram for explaining the operation of the specifying unit of the data processing device shown in FIG.
- the storage unit 34 stores a favorite content list D_t of each user u. For example, as shown in FIG. 5, the storage unit 34 stores the favorite content lists D-t 1 to 4 of the users u-A to D.
- user uA's favorite content list D—t1 is As shown in FIG. 5, the titles aaaa, artists aa, the titles bbbb, the first taste bb, the titles cccc, the artist cc, the titles dddd, and the first tastes dd are stored in association with each other.
- the favorite content list D-t 2 of the user u—B is stored in association with the title eeee, the artist ee, the title ffff, the artist ff, the title gggg, and the artist gg.
- user u_C's favorite content list D—t 3 is, as shown in FIG. 5, a title hhhh, artist hh, title aaaa, artist aa, title iii, artist ii, title jjjj, artist jj, Thailand.
- Tol kkkk and artist kk are stored in association with each other.
- the favorite content list D—t 4 of the user u_D includes the titles 1 1 1 1 and 1 1 1, the artist 1 1, the title 1 mm 1, the artist 1 mm, the title 1 2 3
- the artist jj is associated and stored.
- the storage unit 34 stores a plurality of favorite content lists Dt as shown in FIG. 5, for example, when the recommended content list is generated for the user uA, Then, the favorite content list D—t of another user that indicates the same content as the content indicated by the favorite content list D—t 1 is specified.
- the specific part 3 7 1 includes the favorite content list D—t 3 of the user u—C indicating the same content as the content, title aaaa, and first taste aa indicated by the favorite content list D—t 1. Identify and extract user u-D's favorite content list D-t4 that shows the same content as the title cccc and artist cc, and recommend the signal S371 indicating the result. 7 Output to 2.
- the specifying unit 3 71 sets the user u B's favorite content list D—t
- the content indicated by 2 does not include the content indicated by user u-A's favorite content list D-t 1 and is not extracted.
- 6A, 6B, and 6C are diagrams for explaining the operation of the recommendation list generation unit of the data processing device shown in FIG.
- the recommendation list generation unit 372 generates the recommendation content list D-r1 of the user u_A based on, for example, a signal S371 indicating the result of the specific processing of the specification unit 371.
- the recommendation list generation unit 37 2 includes the user u-C's favorite content list D-t 3 and the user u-D's favorite content list D-t specified by the identifying unit 3 71. Assign the number of each content shown in 4. For example, a predetermined point is assigned to each content, for example, one point is assigned as shown in FIGS. 6A and 6B.
- the recommended list generation unit 372 ranks each content based on the points assigned to each content. In detail, as shown in FIG. 6, for example, content with many points is set at the top of the rank, and a recommended content list Dr-1 is generated based on the result.
- FIG. 7 is a diagram for explaining the operation of the data processing device shown in FIG. With reference to FIG. 7, the operation of the data processing device 3, particularly the generation process of the recommended content list Dr will be described focusing on the operation of the CPU 37.
- step ST1 for example, when the I / F 3] receives the request for the recommended content list of the user u—A, the identifying section 37 1 specifies a corresponding one of the plurality of users u.
- the recommendation list generation unit 3 72 includes the favorite content list D—t 1 of the user u—A and the favorites of the other user u identified by the specific unit 3 71 by the signal S 3 71. As described above, using the content list, the ranking of each content is performed based on the number of each content indicated by the favorite content list D_t.
- the recommendation list generation unit 372 may exclude the content indicated by the favorite content list D-t1 of the user u-A from the ranked content list, for example. By doing so, it is possible to generate a recommended content list excluding the content indicated by the user u-A's favorite content list D-t1.
- the exclusion process in step ST3 may be executed as necessary.
- step ST4 the recommendation list generation section 372 generates the recommendation content list Dr of the user u—A based on, for example, the result of the above-described ranking, and transmits the communication network 4 to the IZF 31. Via the user terminal 2-1 operated by the user u-A that is the request source.
- FIG. 8 is a diagram for explaining the operation of a data processing system employing the data processing device shown in FIG. The operation of the data processing system will be briefly described with reference to FIG.
- step ST 11 the user terminal devices 2-1, 2, and 3 respectively input the favorite content from the input unit 22 according to the operation of the user u-A, B, and C, respectively.
- List D—t is entered.
- the favorite content list Dt is stored and registered in the storage unit 24.
- step ST12 in each of the user terminal devices 21, 2, and 3, the CP In U27, when the above-mentioned favorite content list Dt is registered (or updated), the favorite content list Dt is transmitted to the data processing device 3 via the communication network 4 by the IZF 21.
- step S21 when the I / F 31 receives the favorite content list Dt in the CPU 37 in the data processing device 3, the I / F 31 stores the favorite content list Dt in the storage unit 34, and creates a database of the favorite content list of all users u ( ST2 2).
- step ST13 for example, when the input unit 22 inputs data indicating a request to display the recommended content of the user u—A by the operation of the user u—A, the CPU 27 outputs the recommended content of the user u—A.
- the IZF 21 causes the data processing device 3 to transmit the data indicating the request of the data processing to the data processing device 3 via the communication network 4.
- step ST23 when the IZF 31 of the data processing device 3 receives the data indicating the quest for the recommended content of the user u—A, the identifying unit 371 defines the data corresponding to each of the plurality of users u.
- the indicated data is output to the recommendation list generation unit 372 as a signal S371 (ST24).
- the recommendation list generation unit 372 uses the favorite content list D-t1 of the user u_A and the favorite content list of the other user u specified by the specific unit 371 by the signal S371. As described above, the contents are ranked based on the number of contents indicated by the favorite contents list D-t, and the favorite contents list D-t 1 of the user u-A as necessary.
- the recommended content list D-r1 of the user u-A is generated excluding the content indicated by (ST25).
- step ST26 the recommendation list generation unit 372 displays the generated recommendation
- the user list D—r 1 is output from the IZF 31 via the communication network 4 to the user terminal 2-1 operated by the requesting user u—A.
- step ST 14 in the CPU 27 of the user terminal device 2-1 operated by the user u—A, the IZF 21 receives the recommended content list D—r 1, for example, on the display of the output unit 23. , Display an image according to the recommended content list.
- the other user's favorite content list D-t is used to rank each content based on the number of the content indicated by the t.
- recommendation list generation that generates recommendation content list D—r1 for user u—A 3 7 2 and because of the provided, it is possible to provide data, the recommended content list For example showing the Konten' of the user's preference that is can not be grasped from the attributes such as your own operation history.
- recommended content that does not recognize or recognize a particular user u as a favorite, but reflects potential preferences that are likely to match the preference of that user u Lists can be provided.
- Data processing system 1 including data processing device 3a according to the second embodiment of the present invention a has a user terminal device 2 and a data processing device 3a (not shown).
- the data processing system 1a according to the second embodiment has substantially the same configuration as that of the first embodiment, and the same components are denoted by the same reference numerals, and only differences will be described.
- the data processing device 3a is different from the data processing device 3 of the first embodiment in the method of ranking. This will be described in detail below.
- the data processing device 3a includes an IZF 31 (not shown), an input unit 32, an output unit 33, a storage unit 34, a ROM 35, a RAM 36, and a CPU 37a.
- the CPU 37a has, for example, a specific part 371, and a recommended list generation part 3772a.
- the recommended list generating unit 37 2 a is a signal S 3 indicating a favorite content list D_t of a predetermined user u and a favorite content list Dt of another user u identified by the identifying unit 3 71. 7 Using 1, for each favorite content list D—t of another user u, the favorite content list D—t indicates a point that is inversely proportional to the total number of contents indicated by the favorite content list D—t. The content is assigned to each content, the ranking is performed based on the assigned points, and the recommended content data Dr for a predetermined user u is generated based on the result of the ranking.
- FIGS. 9A, 9B, and 9C are diagrams for explaining the operation of the recommended list generation unit in the second embodiment of the data processing device according to the present invention.
- the recommendation list generation unit 372a generates the recommendation content list D_r1 of the user uA based on, for example, a signal S371 indicating the result of the specific processing of the specification unit 371.
- the recommendation list generation unit 372-2a includes the user u--C favorite content list D--t3 identified by the identification unit 371, and the user u--D favorite content list.
- a predetermined holding point (point), for example, 100 points is set for each D-t4.
- the recommended list generation unit 3772a divides the content points indicated by the favorite content list by the total number of contents, assigns the result of the division to each content, and The ranking is performed based on the content points indicated by the favorite content list Dt of the specified user u.
- the recommended list generation unit 372-2a is inversely proportional to the total number of contents indicated by the favorite content list D_t for each of the favorite content lists D-t of the other users u identified by the identification unit 371.
- the ranking is performed, and the recommended content list Dr is generated based on the result of the ranking.
- the recommendation list generation unit 3 7 2 a allocates, for example, 100 points to the favorite content list D—t 3 of the user u_C, and the favorite content list D—t 3 Allocate 20 points, which is the result of dividing the total number of contents shown by 5, to each content.
- the recommendation list generation unit 372-2a assigns, for example, 100 points to the favorite content list D_t4 of the user u—D, as shown in FIG. Allocate 25 points, which is the result of dividing by the total number of contents indicated by 4, to each content.
- the recommended list generation unit 3 7 2a sets the content with many points to the top of the rank, as shown in detail in Fig. 9C, for example. Based on the above, a recommended content list D—r 1 is generated.
- the title jjjj and the artist jj have a point of 45 by two users, and the title 1 1 1 1, the artist 11, the title 11 mm, the artist mm, the Tonore jijj and artist ji are po Since the content is point 20 and the other content is point 20, the content with point 45 is ranked first, the content with point 25 is ranked second, and the content with point 20 is ranked. 3rd place.
- the recommendation list generation unit 372a generates the recommendation content list D_r1 based on the ranking result described above.
- FIG. 10 is a diagram for explaining the operation of the second embodiment of the data processing device according to the present invention.
- the operation of the data processing device 3a, particularly the generation process of the recommended content list Dr will be described focusing on the operation of the CPU 37.
- step ST 31 for example, when the IZF 31 receives the request for the recommended content list of the user u—A, the identifying section 37 1 defines a plurality of specified users corresponding to the respective users u. From the favorite content list D-t of the user u, the favorite content list of the other user u indicating the same content as the content indicated by the user u-A's favorite content list D-t1 is specified. Is output to the recommended list generation section 3772a as a signal S371.
- the recommended list generation unit 372a generates the favorite content list D_t1 of the user u-A and the other user u specified by the specific unit 371 by the signal S371.
- a predetermined holding point for example.
- the recommendation list generation unit 372a assigns, for example, 100 points to the favorite content list D-t3 of the user u—C, as shown in FIG. 20 points, which is the result of dividing by the total number of contents 5 indicated by the content list D—t 3, are assigned to each content, and as shown in FIG. 9B, the favorite content list D t of the user u D is assigned. For example, 100 points are allocated, and 25 points, which is the result of dividing the total number of contents indicated by the favorite content list D-t 4 by 4, are allocated to each content, and ranking is performed based on the points. Do.
- the recommendation list generation unit 372a may exclude, for example, the content indicated by the favorite content list Dt1 of the user uA from the ranked content list. By doing so, it is possible to generate a recommended content list excluding the content indicated by the favorite content list D-t1 of the user u-A.
- the exclusion process in step ST3 may be executed as necessary.
- step ST34 the recommendation list generation section 372 generates the recommended content list Dr of the user uA based on the result of the ranking, for example, and communicates with the IZF 31. Via the network 4, the user terminal device 2-1 operated by the requesting user u_A is output.
- a point that is inversely proportional to the total number of contents indicated by the favorite content list is set as a point.
- the content indicated by the favorite content list D_t is assigned, and the content indicated by the favorite content list D—t of the other user u identified by the identification unit 371 is ranked based on the assigned points.
- a recommendation list generation unit 372a is provided to generate a recommendation content list based on the ranking result. For example, if the total number of contents indicated by the favorite content D-t is large, The point assigned to the content indicated by the included content D—t is the core indicated by the favorite content D—t. Becomes smaller than the point at which the total number of Ceiling is assigned to a favorite content of less Interview one The u, the total number of the many favorite co The contribution of D__t can be reduced.
- the number of contents indicated by the favorite content data may be increased, and points in the recommended content list may be inappropriately operated.
- the influence of the favorite content data D—t indicating a large amount of content can be reduced, and a highly recommended recommended content list D—r can be generated based on appropriate ranking.
- music content is illustrated as a specific example of the favorite content, but the present invention is not limited to this.
- information about the content for example, meta information is included in the favorite content list Dt.
- the recommended content list is generated and provided according to the user's request.
- the data processing device 2 stores the content and information indicating the location of the content in the storage unit, and determines the location of the content to be stored in the storage unit based on the content indicated by the generated recommended content list.
- the indicated information may be provided to the requesting user terminal device.
- the program, the data processing method, and the data processing device of the present invention are applicable to a processing device that performs data processing on preference data from, for example, a user terminal device.
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Databases & Information Systems (AREA)
- General Engineering & Computer Science (AREA)
- Data Mining & Analysis (AREA)
- Multimedia (AREA)
- Library & Information Science (AREA)
- Mathematical Physics (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Information Transfer Between Computers (AREA)
Abstract
Description
Claims
Priority Applications (2)
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US10/518,992 US7734630B2 (en) | 2003-04-24 | 2004-04-16 | Program, data processing method and data processing apparatus |
KR1020047020834A KR101122832B1 (ko) | 2003-04-24 | 2004-04-16 | 유저의 기호에 의한 컨텐츠 검색 프로그램, 방법 및 장치 |
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JP2003120390A JP4241167B2 (ja) | 2003-04-24 | 2003-04-24 | プログラム、データ処理方法、およびデータ処理装置 |
JP2003-120390 | 2003-04-24 |
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WO2004095317A1 true WO2004095317A1 (ja) | 2004-11-04 |
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US (1) | US7734630B2 (ja) |
JP (1) | JP4241167B2 (ja) |
KR (1) | KR101122832B1 (ja) |
CN (1) | CN100437570C (ja) |
WO (1) | WO2004095317A1 (ja) |
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Also Published As
Publication number | Publication date |
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CN1698051A (zh) | 2005-11-16 |
JP2004326451A (ja) | 2004-11-18 |
US20060015193A1 (en) | 2006-01-19 |
KR20060013332A (ko) | 2006-02-09 |
CN100437570C (zh) | 2008-11-26 |
US7734630B2 (en) | 2010-06-08 |
KR101122832B1 (ko) | 2012-03-22 |
JP4241167B2 (ja) | 2009-03-18 |
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