JP4510263B2 - Program information processing apparatus, program information processing method, and recording medium - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
  The present inventionProcessing technology related to program guide dataAbout.
[0002]
[Prior art]
Starting with the start of CS digital broadcasting such as SkyPerfecTV, BS digital broadcasting started at the end of 2000, and digital broadcasting completely shifted to terrestrial 2010 until now. .
[0003]
When broadcasting waves are digitized, there is a margin in the frequency band, so digital television broadcasting can transmit hundreds of channels of broadcast signals regardless of the broadcasting system, and the number of channels compared to current television broadcasting Increases explosively.
[0004]
Therefore, since various programs can be transmitted at the same time, it becomes possible to produce and broadcast detailed programs according to the diversified and complicated viewer preferences. However, on the other hand, the viewer selects his / her favorite program from a huge number of programs, and it becomes difficult for the viewer to surely see the program he / she wants to watch.
[0005]
Therefore, an electronic program guide that can be transmitted by superimposing an electronic text-based program guide on a broadcast wave, retrieving electronic program guide data with a receiver, and searching for a program that suits the viewer's preference ( Electronic Program Guide (EPG) has been devised and is actually implemented in digital broadcast receivers.
[0006]
The EPG data is currently provided by the program production company or the broadcaster itself.
[0007]
[Problems to be solved by the invention]
However, for this EPG data, although the guideline itself is stipulated by the broadcaster side, it is basically a free format, so there are currently many items lacking information necessary for searching. To do.
[0008]
In particular, there is data that lacks genre information that is important information when selecting a program. Therefore, in an extreme case, such a program is excluded from the search target when searching and presenting the program according to the viewer's preference.
[0009]
  The present invention has been devised to solve the above-mentioned problem, and information on items other than genre information existing in EPG data.NewsAnalyze and supplement missing or missing genre informationRukoaimed to.
[0010]
[Means for Solving the Problems]
  The program information processing apparatus according to the present invention includes:Receiving means for receiving program guide data of a plurality of programs; extraction means for extracting title information, genre information, and program content information of each program from the program guide data received by the receiving means; and each of the plurality of programs The program guide received by the receiving means by searching for a program that matches the set of title information and genre information extracted by the extracting means from a database in which title information, genre information, and detailed genre information are stored in advance. Database search means for determining detailed genre information of each of the plurality of programs included in the data, and program content information extracted by the extraction means for the program whose detailed genre information could not be determined by the database search means To generate a semantic vector and store the generated semantic vector in the storage unit in advance. Comparing the semantic vector for each detail genre that is accommodated, characterized in that and a mean vector generation means for determining a該番set of detailed genre information based on the comparison result.
[0011]
  The program information processing method according to the present invention includes:A receiving step of receiving program guide data of a plurality of programs, an extracting step of extracting title information, genre information, and program content information of each program from the program guide data received in the receiving step; and The program guide received in the receiving step is searched by searching for a program that matches the set of title information and genre information extracted in the extraction step from a database in which title information, genre information, and detailed genre information are stored in advance. A database search step for determining detailed genre information of each of the plurality of programs included in the data, and program content information extracted in the extraction step for a program whose detailed genre information could not be determined in the database search step To generate a semantic vector, and the generated semantic vector, Comparing the semantic vector for each detail genre stored in the order storing unit, characterized in that it and a semantic vector generating step of determining the該番set of detailed genre information based on the comparison result.
[0012]
  The recording medium according to the present invention is a computer-readable recording medium recording a program for causing a computer to execute each step of the program information processing method.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, embodiments of the invention will be described with reference to the accompanying drawings.
FIG. 1 is a configuration example of an entire electronic program guide search system (apparatus) according to an embodiment of the present invention. In the configuration shown in the figure, the CPU is a microprocessor, performs arithmetic and logical determination for electronic program guide processing, and controls each component connected to the bus via the PCI bus PCI.
[0015]
The PCI bus PCI transfers an address signal indicating each component to be controlled by the microprocessor CPU and a control signal for each component to be controlled by the microprocessor CPU, and transfers data between each component device. To do.
[0016]
Next, the ROM is a read-only fixed memory. The ROM stores the basic I / O program in the configuration example of this embodiment.
[0017]
The RAM is a writable random access memory that reads a temporary storage of various data from each component and reads a program in which various processes in the present embodiment are described. Based on this program, the CPU performs various processes. Used to do
[0018]
DVDD is a DVD drive. Programs and data recorded on the DVD media DVD-MEDIA are loaded into this system through this DVD drive. Also, electronic program guide data stored in DISK, program content itself, or various data obtained by extracting broadcast waves received by antenna ANTENA through tuner TUNER and demultiplexer DIV can be written to DVD-MEDIA through a DVD drive. it can.
[0019]
DVD-MEDIA is DVD media, which is a general term for DVD-standard media such as DVD-ROM, DVD-RAM, DVD-R, DVD-RW, DVD-VIDEO, and DVD-AUDIO. is there. In this embodiment, the DVD-MEDIA is used for reading / writing electronic program guide data, program contents themselves, or large-capacity data such as programs.
[0020]
INPUTC is an input controller. An input signal sent via infrared rays or the like when the viewer operates the remote controller CON is appropriately converted by the controller and then sent to the CPU via the PCI bus PCI.
[0021]
CON is a remote controller, and includes a pointing device such as a cross key and a trackball, command keys such as a menu key, a determination key, and a cancel key, and a numeric key. By operating the remote controller CON, the viewer can specify menus, icons, buttons, and the like displayed on the monitor MONITOR, and can operate them by appropriately sending instructions to the system of this embodiment.
[0022]
DISK is an external memory for storing electronic program guide data, the program itself, or a program. Data, programs, and the like are stored as necessary, and the stored data and programs are called up when necessary according to instructions from the viewer. The ontology database in this embodiment is mainly implemented on this DISK.
[0023]
ANTENA is an antenna that receives broadcast waves such as satellite broadcasts and terrestrial waves, converts them into electrical signals, and transmits them to the tuner TUNER.
[0024]
TUNER is a tuner that amplifies and extracts a signal of a channel designated by a control signal from the PCI bus PCI from an electrical signal transmitted from ANTENA and sends the amplified signal to the duplexer DIV.
[0025]
A DIV is a demultiplexer, which separates and extracts a program content signal and electronic program guide data or program data from an electric signal amplified by a tuner TUNER and sends it through the PCI bus PCI. In accordance with the control signal of the CPU, each separated signal is sent to the audio / video controller AVC via the PCI bus PCI or stored in the external memory DISK.
[0026]
AVC is an audio / video controller. The program image and audio signals and the GUI data are stored here via the PCI bus PCI, converted into an output signal, and output to the display MONITOR and the speaker SPK.
[0027]
MONITOR is a display device that uses a cathode ray tube, liquid crystal, etc., and has a GUI including a so-called television image, a window indicating the results of various processes and the state of the device, a message dialog for the user, and an operation unit such as a menu or button. indicate.
[0028]
SPK is a speaker, which outputs so-called TV sound, processing results, device status, messages to users, music, and the like.
[0029]
NI is a network interface, and is a device for connecting the electronic program guide scanning system of the present embodiment to an external system via a home LAN or the Internet. The electronic program guide search system according to the present embodiment can transmit / receive control signals, electronic program guide data, programs, and the like to / from an external system via this connection.
[0030]
In such an electronic program guide search system comprising the respective components, the system operates in response to various inputs from the remote controller CON. When the input from the remote controller CON is supplied via infrared rays, the input controller INPUTC The interrupt signal is sent to the microprocessor CPU via the CPU, the microprocessor CPU reads various control signals stored in the ROM, and various controls are performed according to the control signals.
[0031]
The system according to this embodiment operates when the CPU executes the basic I / O program, the OS, and the electronic program guide search processing program. The basic I / O program is written in the ROM, and the OS is written in the DISK. When the power of the system is turned on, the OS is read from the DISK into the RAM by the IPL (Initial Program Loading) function in the basic I / O program, and the operation of the OS is started.
[0032]
This electronic program guide search processing program is a program code based on the flowchart of the electronic program guide search processing procedure shown in FIGS.
[0033]
FIG. 2 is a configuration diagram of the contents of the DVD-MEDIA when the electronic program guide search processing program and related data are recorded on the DVD-MEDIA. In this embodiment, the electronic program guide search processing program and related data are recorded on DVD-MEDIA. As shown in the drawing, the volume information and directory information of this DVD-MEDIA are recorded in the head area of the DVD-MEDIA, and then this electronic program guide search processing program, which is the content of this DVD-MEDIA, and the electronic program Guide search processing program related data is recorded.
[0034]
FIG. 3 is a schematic diagram of a DVD-MEDIA recording the system and the electronic program guide search processing program. The electronic program guide search processing program and related data recorded on the DVD-MEDIA can be loaded into this system through the DVD-MEDIA drive DVDD as shown in FIG.
[0035]
When this DVD-MEDIA is set in the DVD-MEDIA drive DVDD, the electronic program guide search processing program and related data are read from the DVD-MEDIA under the control of the OS and basic I / O program, and loaded into the RAM. Can be operated.
[0036]
FIG. 4 shows a memory map in a state where the electronic program guide search processing program is loaded into the RAM and becomes executable. At this time, the detailed genre table GTBL, the EPG search condition buffer CBUF, and the EPG search result buffer RBUF exist in the work area of the RAM.
[0037]
FIG. 5 is a configuration example of the detailed genre table GTBL in the present embodiment. As shown in the drawing, one constituent element of the detailed genre table GTBL is composed of a detailed genre name, a genre name, and a semantic vector. The detailed genre name is a character string representing the detailed genre of the program, and includes suspense, action, SF, horror, pops, rock, classic, tennis, boxing, baseball, and the like. The genre name is a character string indicating a wider range of genres including the detailed genre, such as movies, dramas, variety, music, sports, news, and the like. In this embodiment, there is a one-to-one correspondence between the detailed genre name and the genre name, and when the detailed genre name is determined, the genre name is automatically determined by referring to the detailed genre table GTBL. . The semantic vector represents the meaning of the detailed genre with a multidimensional vector. Each dimension of the vector corresponds to a certain concept, and the scalar value assigned to each dimension increases as the semantic distance between the genre and those concepts decreases. The semantic vectors associated with these detailed genre names are calculated and stored in advance in the system of this embodiment. A method for obtaining a semantic vector corresponding to a detailed genre name is a general method and is well known, and therefore will not be described in detail. Note that all the semantic vectors in the present embodiment have the same number of dimensions, and the concepts assigned to the respective dimensions are exactly the same, and therefore all can be processed in the same manner.
[0038]
FIG. 6 is a configuration example of the EPG search condition buffer CBUF in this embodiment. As shown in the figure, the EPG search condition buffer CBUF in the present embodiment is composed of a slot indicating an attribute used for search and a pair of its value. In the search condition designation process described later, a value is designated for each slot by the user appropriately operating the GUI displayed on the monitor MONITOR with the controller CON. The EPG search condition buffer CBUF is referred to in a program search process described later, and as a result, program data matching the value is searched. FIG. 6 shows an example of the EPG search condition buffer GBUF when only the genre and the detailed genre are designated. In addition, the title, broadcast date / time, director, performer, etc. can be designated.
[0039]
FIG. 7 is a configuration example of the EPG search result buffer RBUF in the present embodiment. As shown in the figure, the EPG search result buffer RBUF in this embodiment is composed of a pair of program ID and recommendation level. Here, the program ID is an ID unique to each EPG data, and each EPG data can be specified by designating the program ID. The recommended degree is a degree calculated for each program data searched in command processing to be described later, and the value increases as the search condition stored in the EPG search condition buffer CBUF is met. In this embodiment, the EPG search result buffer RBUF stores the program search results in command processing described later in descending order of recommendation.
[0040]
FIG. 8 is a configuration example of received EPG data in the present embodiment. As shown in the figure, the received EPG data in this embodiment is composed of program ID, title, broadcast time, viewing fee, channel, broadcast date / time, genre, and program contents, and their values. Received as written text. In the received EPG data, a value is extracted for each item by an item extraction process, which will be described later, and is converted into a corrected EPG data format and registered by a subsequent corrected EPG data registration process. FIG. 8 is an example of received EPG data in which a genre is missing.
[0041]
FIG. 9 is a configuration example of ontology data in the present embodiment. The ontology data shown here is composed of the title, genre, detailed genre, director, performer, production year, production country and their values. Among these items, title, genre, details Genre is an item common to each ontology data. However, other items change depending on the genre and detailed genre. In the present embodiment, ontology data is registered in advance in an ontology database configured in the hard disk DISK. Each ontology data can be searched by designating an item name and its value, like EPG data. In addition, an item name can be obtained by searching only by specifying a value. Such a mechanism is used in a general database system and is well-known and will not be described in detail.
[0042]
FIG. 10 is a configuration example of the corrected EPG data in the present embodiment. As shown in the figure, the corrected EPG data in this embodiment is composed of program ID, title, broadcast time, viewing fee, channel, broadcast date and time, genre, detailed genre, semantic vector, and genre-dependent items and their values. The Among these, the detailed genre, semantic vector, and genre-dependent items are values that do not exist in the received EPG data, but are determined by a genre extraction process described later. The corrected EPG data in this embodiment is registered in an EPG database configured in the hard disk DISK by a corrected EPG data registration process described later. The registered EPG data can be searched by specifying the item name and its value. The corrected EPG data in FIG. 10 is an example obtained when genre information extraction processing described later is performed using the received EPG data in FIG.
[0043]
The operation of the electronic program guide search program will be described according to the flow.
FIG. 11 is a flowchart showing the operation of the entire electronic program guide search device in the present embodiment. When the power source of the electronic program guide search device in the present embodiment is turned on, the above-described initial processing is performed, and the processing shown in FIG. 11 is ready.
[0044]
In S1, first, it is checked whether or not the viewer has input any command using the controller CON. If no command is input, the process proceeds to S2. If a command has been input, the process proceeds to S6.
[0045]
S2 is an EPG data reception process for receiving the EPG data transmitted while being superimposed on the broadcast signal. The format of the received EPG data is a solid text similar to that described above with reference to FIG. When the process is finished, the process proceeds to S3.
[0046]
S3 is an item extraction process for extracting each item and value of the EPG data from the written text received in S2. Since the item extraction process can be easily performed by simple pattern matching and is well known, it will not be described in detail. When the process is finished, the process proceeds to S4.
[0047]
S4 is a genre information extraction process in which the EPG data from which the value of each item is extracted in S3 is appropriately analyzed to calculate and add a genre and detailed genre. Details of this processing will be described later with reference to FIG. When the process is finished, the process proceeds to S5.
[0048]
S5 is a corrected EPG data registration process in which the corrected EPG data to which the genre information extracted in S4 is added is registered in the EPG database. When the process is finished, the process returns to S1.
[0049]
S6 is command processing for appropriately processing a command input by the viewer. Details of this processing will be described later with reference to FIG. When the process is finished, the process returns to S1.
[0050]
FIG. 12 is a flowchart showing details of the genre information extraction process in step S4 of FIG.
[0051]
S11 is an ontology database search process that searches the ontology database using the item-value pair extracted in S3 as a key, picks up data corresponding to EPG data, and extracts genre information therefrom. Details of this processing will be described later with reference to FIG. When the process is finished, the process proceeds to S12.
[0052]
S12 is a semantic vector creation process in which a semantic vector is created from the received EPG data, and genre information is determined by comparing with a semantic vector stored in the detailed genre table. Details of this processing will be described later with reference to FIG. When the process is finished, the process proceeds to S13.
[0053]
S13 is a genre information addition process for adding the genre information, meaning vector, and other additional item information extracted and determined in S11 and S12 to the EPG data being processed. This is simply a process of adding new information to the EPG data being processed, and no special process as described in detail is performed. When the process is finished, the genre information extraction process is finished.
[0054]
FIG. 13 is a flowchart showing details of the ontology database search process in step S11 of FIG.
[0055]
S21 is a search condition setting process for setting each item and value of the EPG data extracted in S3 as a search condition. Such processing is generally performed when performing a database search, and is well known and will not be described in detail. When the process is finished, the process proceeds to S22.
[0056]
S22 is a database search process for searching the ontology database for data that matches the search conditions set in S21. Since this process is also a very general process, it will not be described in detail. When the process is finished, the process proceeds to S23.
[0057]
In S23, it is checked whether or not ontology data corresponding to the specified search condition, that is, the EPG data being processed, can be searched as a result of the search performed in S22.
[0058]
If the corresponding ontology data is retrieved, the process proceeds to S24. If there is no corresponding ontology data, the ontology database search process is terminated.
[0059]
S24 is a process of extracting the genre and detailed genre from the ontology data searched in S22 and determining this as genre information of the EPG data being processed. If a genre has already been added to the EPG data being processed, the genre appears in the ontology database. With this operation, even when EPG data with an incorrect genre added is received, the genre can be corrected as long as the ontology database is accurate. When the process is finished, the ontology database search process is terminated.
[0060]
FIG. 14 is a flowchart showing details of the semantic vector creation processing in step S12 of FIG.
[0061]
S31 is a program content vector creation process for creating a program content vector by performing language analysis on the value of the [program content] item of the EPG data being processed. Specifically, the sentence that is the value of the program content is decomposed into words, noun phrases are extracted, and a semantic vector associated with each noun phrase is synthesized. In this embodiment, the semantic vector associated with the noun phrase is stored in advance in a semantic vector dictionary on DISK. Such a process is generally performed in a system using a semantic vector and is well known, and thus will not be described in detail. In the present embodiment, the program content vector created here becomes the semantic vector of the EPG data being processed. When the process is finished, the process proceeds to S32.
[0062]
In S32, it is checked whether the detailed genre of the EPG data being processed has already been determined. If the detailed genre has already been determined, the semantic vector creation process ends. If the detailed genre has not yet been determined, the process proceeds to S33.
[0063]
S33 is a genre vector comparison process in which the semantic vector created in S31 is compared with the semantic vector stored in the detailed genre table GTBL to search for the closest vector. Here, the approximation of two semantic vectors is calculated by the angle formed by the two vectors, and the smaller the angle formed, the closer the approximation. When the process is finished, the process proceeds to S34.
[0064]
S34 is a process of determining the detailed genre and genre associated with the most approximate semantic vector obtained in S33 as the detailed genre and genre of the EPG data being processed. Even if a genre value has already been added to the EPG data, this process replaces it with a new value. When the process ends, the semantic vector creation process ends.
[0065]
FIG. 15 is a flowchart showing details of the command processing in step S6 of FIG.
[0066]
In S41, it is checked whether or not the input command is a program search command. If it is a program search command, the process proceeds to S42. If it is any other command, the process proceeds to S44.
[0067]
S42 is an EPG database search process for searching the EPG database based on the search conditions stored in the search condition buffer CBUF. This is a search process normally performed in a database system and is well known and will not be described in detail. When the process is finished, the process proceeds to S43.
[0068]
S43 is a process for calculating the recommendation degree of the EPG data searched in S42. Here, the degree of recommendation is the approximate value of the semantic vector of the detailed genre specified in the search condition and the semantic vector added to the EPG data, the number of matching items of the search condition, the user profile and the EPG data. Calculated based on the fitness level. The user profile is a database of the preferences of viewers who use this system. In this embodiment, the user profile is created and managed in advance in the hard disk DISK. The user profile is generally used in a system using an electronic program guide and is not described in detail because it is well known. When the process is finished, the process proceeds to S45.
[0069]
S44 is a process for performing command processing other than the program search command. Other processes include, for example, command menu display, deletion, channel selection, program search condition designation, and recording reservation setting. When the process is finished, the process proceeds to S45.
[0070]
S45 is a process result output process for outputting the results of various processes to the monitor MONITOR and the speaker SPK. Such processing is generally performed in a system using a GUI and is well known, and therefore will not be described in detail. When the processing is finished, the command processing is finished.
[0071]
Next, as a specific example, when the received EPG data of FIG. 8 is received, the difference between the search results with and without the genre information extraction process of step S4 of FIG. 11 will be described according to the flow of FIG.
[0072]
When the genre information extraction process of S4 is not performed, when the reception data of FIG. 8 is received in S2, only the items obtained in the item extraction process of S3 are registered as EPG data in S5. Therefore, since the genre, detailed genre, meaning vector, etc. are not added to the registered EPG data in this case, when a program search is performed using the search condition of only genre information as shown in FIG. do not become. Therefore, this EPG data does not become a search result.
[0073]
On the other hand, when the genre information extraction process of S4 is performed, the genre, detailed genre, meaning vector, etc. are added and registered in the EPG database as shown in FIG. 10, so that only the genre information shown in FIG. 6 is searched. Even if a program search is performed under conditions, it is possible to make a search target. In addition, the recommendation level can be accurately calculated according to each added item. Therefore, it is appropriately output as a search result as shown in FIG.
[0074]
As described above, in this embodiment, by extracting genre information, it is possible to search for EPG data lacking information, and to appropriately evaluate the EPG data. Therefore, a more appropriate program search can be realized than the conventional electronic program guide search device.
[0075]
In addition, this invention is not limited to the Example mentioned above.
In the above-described embodiment, the PCI bus is adopted as the bus of the electronic program guide search device. However, the same electronic program guide search device can be configured by an ISA bus or a VL bus.
[0076]
In the above-described embodiment, the OS is stored in the DISK. However, the same processing can be performed even if the OS is stored in the ROM.
[0077]
In the above-described embodiment, an example in which an electronic program guide search processing program and related data are directly loaded from the DVD-MEDIA to the RAM and executed is shown. It is also possible to store (install) the related data once in the DISK and load it from the DISK to the RAM when the electronic program guide search processing program is operated.
[0078]
In the above-described embodiment, DVD-MEDIA is used as a medium for recording the electronic program guide search processing program. However, CD-MEDIA, MO such as CD-ROM, CD-R, and CD-RW are also used. , FD, IC memory card, magneto-optical card, etc. may be used. It is also possible to record an electronic program guide search processing program in the ROM, configure it as a part of the memory map, and execute it directly by the CPU.
[0079]
In the above-described embodiment, the command input is checked during the process from the reception of EPG data to the registration. However, when a command input occurs, an interrupt is generated at an arbitrary timing of the EPG registration reception process. It is also possible to implement so that command processing is performed with priority. Further, the EPG reception registration process and the command process may be implemented as separate processes and executed in a multi-process environment.
[0080]
In the above-described embodiment, the semantic vector extraction process is performed after the ontology search process is performed, but this order is not particularly limited, and the same process can be performed even if the order is changed. It is. Further, even if only each processing unit is mounted, substantially the same effect can be obtained.
[0081]
In addition, the present invention can be implemented with various modifications without departing from the scope of the invention.
[0082]
According to the present embodiment, the electronic program guide search device includes an ontology database in which program titles, names of performers, names of directors, etc., and program related information are stored, or semantic vector extraction means By using these to analyze items other than the genre and program content information, it is possible to supplement missing and missing genre information, and the data of the program desired by the viewer without any data leakage Search can be performed.
[0083]
That is, by analyzing items other than the genre and program content information using an ontology database, semantic vector extraction means, etc., the missing and missing genre information is supplemented from the EPG data, and the viewer's data is not lost. It is possible to search for a desired program, and to provide a user with an electronic program guide search device capable of searching for a more appropriate program.
[0084]
【The invention's effect】
  As described above, according to the present invention,Of program guide dataNon-genre termsEyesBy analyzing, it is possible to supplement missing and missing genre informationBecome.
[Brief description of the drawings]
FIG. 1 is a block diagram of an overall configuration of an electronic program guide search device according to an embodiment of the present invention.
FIG. 2 is a diagram illustrating a configuration example of contents of a CD-ROM in the present embodiment.
FIG. 3 is a schematic diagram of an electronic program guide search device and its program medium in the present embodiment.
FIG. 4 is a diagram illustrating a memory map of a RAM during execution of a program in the present embodiment.
FIG. 5 is a diagram illustrating a configuration example of a detailed genre table in the present embodiment.
FIG. 6 is a diagram illustrating a configuration example of a search condition buffer in the present embodiment.
FIG. 7 is a diagram illustrating a configuration example of a search result buffer according to the present embodiment.
FIG. 8 is a diagram illustrating a configuration example of received EPG data in the present embodiment.
FIG. 9 is a diagram illustrating a configuration example of ontology data in the present embodiment.
FIG. 10 is a diagram illustrating a configuration example of corrected EPG data in the present embodiment.
FIG. 11 is a flowchart showing the operation of the electronic program guide search device in the present embodiment.
FIG. 12 is a flowchart showing the operation of genre information extraction processing in the present embodiment.
FIG. 13 is a flowchart showing an operation of an ontology database search process in the present embodiment.
FIG. 14 is a flowchart showing an operation of semantic vector extraction processing in the embodiment.
FIG. 15 is a flowchart showing an operation of command processing in the embodiment.
[Explanation of symbols]
PCI PCI bus
ROM read-only memory
RAM random access memory
CPU microprocessor
DVDD DVD drive
DVD-MEDIA DVD media
ANTENA antenna
Tuner Tuner
DISK external memory
DIV duplexer
NI network interface
INPUTC input controller
CON remote control
AVC audio / video controller
MONITOR display device
SPK speaker

Claims (7)

Receiving means for receiving program guide data of a plurality of programs;
Extracting means for extracting title information, genre information, and program content information of each program from the program guide data received by the receiving means;
The receiving unit searches for a program that matches a set of title information and genre information extracted by the extracting unit from a database in which title information, genre information, and detailed genre information of each of a plurality of programs are stored in advance. Database search means for determining detailed genre information of each of the plurality of programs included in the program guide data received by
For the program whose detailed genre information can not be determined by the database search means, the program content information extracted by the extraction means is analyzed to generate a semantic vector, and the generated semantic vector is stored in the storage unit in advance. And a semantic vector generation means for comparing detailed semantic genre information of the program based on a comparison result with a semantic vector corresponding to each detailed genre. Furthermore, setting means for setting search conditions including genre information and detailed genre information;
By using the genre information of each program is extracted, and a detailed genre information of each program as determined by the detailed genre information or the means vector generation means of each program as determined by the database search unit by the extraction means, the The search unit according to claim 1, further comprising: a search unit that searches for a program that meets the set search condition from the plurality of programs included in the program guide data received by the reception unit. Program information processing apparatus. The semantic vector generation means searches for a semantic vector approximated to the generated semantic vector from semantic vectors corresponding to each detailed genre stored in advance in the storage unit, and details associated with the approximate semantic vector 3. The program information processing apparatus according to claim 1, wherein by specifying a genre, detailed genre information of a program whose detailed genre information can not be determined by the database search unit is determined . A receiving step for receiving program guide data of a plurality of programs;
An extraction step of extracting title information, genre information, and program content information of each program from the program guide data received in the receiving step;
The receiving step includes searching for a program that matches a set of title information and genre information extracted in the extraction step from a database in which title information, genre information, and detailed genre information of each of a plurality of programs are stored in advance. A database search step for determining detailed genre information of each of the plurality of programs included in the program guide data received at
For the program whose detailed genre information could not be determined in the database search step, the program content information extracted in the extraction step is analyzed to generate a semantic vector, and the generated semantic vector and the storage unit are stored in advance. And a semantic vector generation step of comparing the semantic vector corresponding to each detailed genre and determining detailed genre information of the program based on the comparison result. Furthermore, a setting step for setting search conditions including genre information and detailed genre information;
By using the genre information of each program extracted by the extraction step, and a detailed genre information of each program as determined by the detailed genre information or the means vector generation step of each program as determined by the database search step, the from among the plurality of programs included in the program guide data received by the receiving step, according to claim 4, characterized in that and a search step of searching a program matching the set the search condition Program information processing method. In the semantic vector generation step, a semantic vector approximated to the generated semantic vector is searched from semantic vectors corresponding to each detailed genre stored in advance in the storage unit, and details associated with the approximate semantic vector 6. The program information processing method according to claim 4 or 5 , wherein by specifying a genre, detailed genre information of a program whose detailed genre information can not be determined in the database search step is determined . A computer-readable recording medium on which a program for causing a computer to execute each step of the program information processing method according to any one of claims 4 to 6 is recorded.

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