JP2014089732A - Information processing device, information processing method, and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily grasp the relation among contents.SOLUTION: An information processing device holds first information to which a second content is related ahead of a first content in a first axial direction, second information to which a third content is related ahead of the first content in a second axial direction, and third information having a fourth content related ahead of the third content in a third axial direction and also additionally holds fourth information to which the first content is related behind the fourth content in the second axial direction and fifth information to which the second content is related behind the fourth content in the second axial direction, and holds one of the fourth information and fifth information according to an instruction to add the fourth content and displays the fourth content such that it can be discriminated whether a content displayed when a content displayed according to which one is held is switched backward along the second axis is the first content or second content.

Description

  The present invention relates to an information processing apparatus, an information processing method, and a program.

For example, there are a tree and a graph as a technique for expressing a relationship in the field of mathematics. As a technique to which these are applied, there are hyperlinks and trackbacks used in WWW (World Wide Web).
These techniques are used not only to represent the WWW but also to represent the relationship between document pages.
In such a document, the relationship between pages is complicated and difficult to refer to. Therefore, a technique that can easily grasp the relationship between pages is required.
For example, Patent Document 1 proposes a hypermedia configuration list display method that displays a list of pages connected by hyperlinks when a certain page in the document is specified.

JP-A-9-134305

  However, even if the method of Patent Document 1 is used, it is difficult to find a specific page from irregularly configured hyperlinks.

  The present invention has been made in view of such problems, and an object thereof is to make it possible to easily grasp the relationship between contents.

Accordingly, the present invention provides first information indicating that the second content is associated with the first content in front of the first axial direction, and the second axial direction with respect to the first content. Second information indicating that the third content is associated with the third content, and third information indicating that the fourth content is associated with the third content forward in the first axial direction. Holding means for holding
Fourth information indicating that the first content is associated with the fourth content behind the second axial direction, and the fourth content with respect to the second axial direction. It is possible to add and hold the fifth information indicating that the second content is associated with the holding means in the rear, and the fourth information according to an instruction to add the fourth content And control means for causing the holding means to hold any one of the fifth information, and
Based on which of the fourth information and the fifth information is held by the holding unit, the content displayed on the display unit from the state where the fourth content is displayed on the display unit. The display unit displays the fourth content in a state where it is possible to identify whether the content displayed when switching to the rear of the second axis is the first content or the second content. And display control means for displaying on the display.

  With such a configuration, it is possible to easily grasp the relationship between contents.

  The present invention may be a content display method, a program, and a storage medium.

  According to the present invention, it is possible to easily grasp the relationship between contents.

It is a figure which shows an example of a structure of the information processing apparatus by this embodiment. It is a flowchart which shows an example of the content management process in information processing apparatus. 3 is a diagram illustrating an example of a content management table 30. FIG. It is a figure which shows an example of the label management table. It is a figure which shows an example of the link management table. It is a conceptual diagram of the link between the contents managed by the link management table 50 shown in FIG. FIG. 6 is a diagram illustrating an example of generating (adding) a link in the Y-axis direction. 5 is a diagram showing an example of a content management table 80. FIG. It is a figure which shows an example of the link management table. FIG. 7 is a diagram illustrating an example of generating (adding) a link in the X-axis direction. It is a figure which shows an example of the label management table. It is a figure which shows an example of the link management table. It is a figure which shows an example which acquires the existing link (link information) in FIG. 10, and makes it link. It is a figure which shows an example of the link management table. FIG. 13 is a diagram illustrating an example of generating a link between X axes. It is a figure which shows an example of the link management table. It is a flowchart which shows an example of the link registration process in information processing apparatus. It is a figure which shows an example which deletes a link from FIG. It is a figure which shows an example of the link management table. It is a figure which shows an example which deletes the link between X-axes from FIG. It is a figure which shows an example of the link management table. It is a figure which shows the mode of browsing. It is a figure which shows an example showing the distance of a link by a magnitude | size. It is a figure which shows an example showing the distance of a link in space.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

<Embodiment 1>
FIG. 1 is a diagram illustrating an example of the configuration of the information processing apparatus according to the present embodiment. In FIG. 1, a CPU 10 controls the entire information processing apparatus in accordance with a control program stored in a memory 11 or the like. The CPU 10 can store data in the memory 11 and output various input processes from the input unit 12. The memory 11 also stores application programs and display data. Note that the memory 11 includes a ROM and a hard disk that store application programs, display data, and the like, and a RAM that can function as a work area when the CPU 10 executes the programs.

The input unit 12 includes a keyboard and a mouse for the user to input. The display control unit 13 controls output to the display 14 that is an example of a display device. The display 14 is a display monitor of the information processing apparatus, and displays an application window or the like provided by the application under the control of the display control unit 13.
Note that the display control unit 13 may be hardware, or may be software realized by the CPU 10 executing processing based on a control program.

Hereinafter, content management processing in the information processing apparatus of the present embodiment will be described with reference to the flowchart shown in FIG. FIG. 2 is a flowchart illustrating an example of content management processing in the information processing apparatus.
In step S <b> 100, the CPU 10 receives an input (instruction) from the input unit 12. Further, in steps S101 to S105, the CPU 10 determines how to process the input received in step S100.
In step S101, the CPU 10 determines based on the input whether the input is a request related to content generation processing. When the request is not content generation (S101-No), the CPU 10 proceeds to step S102, and when the request is content generation (S101-Yes), the CPU 10 proceeds to step S106.

  In step S106, the CPU 10 generates content based on the input. In step S107, the CPU 10 registers the generated content in the content management table 30 shown in FIG. FIG. 3 is a diagram illustrating an example of the content management table 30. As shown in FIG. 3, the content management table 30 includes content ID (Content ID) 31 and content data (Data) 32 as items. In the example of FIG. 3, an SVG (Scalable Vector Graphics) file is registered as data 32.

  Next, in step S108, the CPU 10 registers the content label in the label management table 40 shown in FIG. FIG. 4 is a diagram illustrating an example of the label management table 40. Here, the label is attribute information added to the content. When the label added to the content generated in step S106 does not exist in the label management table 40, the CPU 10 adds the label to the label management table 40. For example, the label added to the content is generated and registered by the CPU 10 according to the logged-in user.

Next, in step S109, the CPU 10 registers a content link (link information) in the link management table 50 shown in FIG. 5, and returns to step S100. FIG. 5 is a diagram illustrating an example of the link management table 50. As shown in FIG. 5, the link management table 50 includes a link ID (Link ID) 51, a content ID (Content ID) 31, a link forward in the X axis (preX) 52, a link forward in the X axis ( nextX) 53. Further, the link management table 50 includes a link (preY) 54 forward to the Y axis and a link (nextY) 55 backward to the Y axis.
Here, the link ID includes a content ID that is identification information (content identification information) for identifying the content and a label that is attribute information added to the content. In the link management table 50, content IDs are associated with the X-axis direction, and labels are associated with the Y-axis direction.

  FIG. 6 is a conceptual diagram of links between contents managed by the link management table 50 shown in FIG. In FIG. 6, a link where content exists is represented by a square 60, and a link where content does not exist is represented by a circle 61. A dotted line 62 between the links indicates a bidirectional link 63. In the present embodiment, the CPU 10 registers the link in the two-dimensional matrix. Details of registration will be described later. Note that the number of dimensions may be specified in advance in a setting file or the like, or may be input (specified) by the user. In the present embodiment, the description will be made assuming that the number of dimensions is two, that is, two dimensions, unless otherwise specified. In the present embodiment, as shown in FIGS. 5 and 6, the CPU 10 converts link information between contents (links) into two-dimensional axis information (that is, X-axis information (first axis information). ), Y-axis information (second axis information)) for association (link information association).

In step S102, the CPU 10 determines, based on the input, whether the input is a request related to content deletion processing. When the request is not content deletion (S102-No), the CPU 10 proceeds to step S103, and when the request is content deletion (S102-Yes), the CPU 10 proceeds to step S110.
In step S110, the CPU 10 corrects the link. Details of the correction will be described later.

Next, in step S111, the CPU 10 deletes the content from the content management table 30, and returns to step S100.
In step S103, the CPU 10 determines whether or not the input is a request related to the content switching process based on the input. When the request is not content switching (S103-No), the CPU 10 proceeds to step S104, and when the request is content switching (S103-Yes), the CPU 10 proceeds to step S112. In step S <b> 112, the CPU 10 acquires a content link from the link management table 50. For example, when the content corresponding to the link 56 is displayed, if the switching downward (page switching) is instructed from the input unit 12, the CPU 10 executes the following processing. That is, the CPU 10 sets the link 53 to the rear of the X axis of the link 56 corresponding to the content being displayed based on the switching direction (that is, the downward direction) and the axis information (corresponding to page switching and X axis information). get.

Next, in step S113, the CPU 10 switches the display on the display 14 to the linked content acquired in step S112, and returns to step S100.
In step S104, the CPU 10 determines based on the input whether the input is a request for content editing processing. If the request is not content editing (S104-No), the CPU 10 proceeds to step S105, and if the request is content editing (S104-Yes), the CPU 10 proceeds to step S114. In step S114, the CPU 10 edits the content and returns to step S100.

  In step S105, the CPU 10 determines based on the input whether the input is a request related to termination processing. When the request is not finished (S105-No), the CPU 10 returns to Step S100, and when the request is finished (S105-Yes), the process shown in FIG. 2 is finished.

Next, link registration performed by the CPU 10 will be described with reference to FIGS.
FIG. 7 is a diagram illustrating an example of generating (adding) a link in the Y-axis direction in FIG. In FIG. 7, in order to register content in the link 70, the CPU 10 generates a link 71 and a link 72 in the Y-axis direction.
In step S107 in FIG. 2, the CPU 10 adds the content 81 generated in step S106 to the content management table 80 shown in FIG. Here, FIG. 8 is a diagram illustrating an example of the content management table 80. In FIG. 7, since the label of the link 70 is “Origin”, the CPU 10 does not register the label in step S108. Next, in step S109, the CPU 10 adds links 70, 71, 72 to the link management table 90 shown in FIG. 9 (link information association). Here, FIG. 9 is a diagram illustrating an example of the link management table 90.

FIG. 10 is a diagram illustrating an example of generating (adding) a link in the X-axis direction in FIG. In FIG. 10, in order to register content in the link 100, the CPU 10 generates a link 101, a link 102, and a link 103 in the X-axis direction.
In step S108 of FIG. 2, the CPU 10 adds the label 111 added to the content to the label management table 110 shown in FIG. FIG. 11 is a diagram illustrating an example of the label management table 110. Next, in step S109, the CPU 10 adds links 100, 101, 102, and 103 to the link management table 120 shown in FIG. FIG. 12 is a diagram illustrating an example of the link management table 120.

FIG. 13 is a diagram illustrating an example of acquiring and linking an existing link (link information) in FIG. In FIG. 13, the CPU 10 links the content to the link 130. In step S109 in FIG. 2, the CPU 10 registers the link of the content generated in step S106 in the link 130 of the link management table 140 shown in FIG. FIG. 14 is a diagram illustrating an example of the link management table 140.
Next, FIG. 15 is a diagram illustrating an example of generating a link between the X axes in FIG. In FIG. 15, the CPU 10 links each content to a link 150, a link 151, and a link 152, respectively. In step S109, the CPU 10 adds links 150, 151, and 152 to the link management table 160 shown in FIG. FIG. 16 is a diagram illustrating an example of the link management table 160.

FIG. 17 is a flowchart illustrating an example of a link registration process in the information processing apparatus.
When the link registration process is started, in step S200, the CPU 10 determines whether or not the label of the content to be registered is “Origin”. When the label is not “Origin” (S200—No), the CPU 10 proceeds to Step S203, and when the label is “Origin” (S200—Yes), the CPU 10 proceeds to Step S201. In step S201, the CPU 10 generates a link in the Y-axis direction shown in FIG. Further, in step S202, the CPU 10 registers content in the generated link, and ends the link registration process shown in FIG.

  In step S <b> 203, the CPU 10 determines whether the label of the content to be registered is registered in the label management table 40. When the label of the content to be registered is not registered (S203-No), the CPU 10 proceeds to step S205, and when the label of the content to be registered is registered (S203-Yes), the CPU 10 proceeds to step S204. . In step S204, the CPU 10 generates a link in the X-axis direction shown in FIG. Further, in step S202, the CPU 10 registers content in the generated link, and ends the link registration process shown in FIG.

  In step S <b> 205, the CPU 10 determines whether or not content is registered in the link of the link management table 50. If the content is registered in the link (S205-No), the CPU 10 proceeds to step S207. If the content is not registered in the link (S205-Yes), the CPU 10 proceeds to step S206. In step S206, the CPU 10 acquires the existing link shown in FIG. Furthermore, in step S202, the CPU 10 registers content in the acquired link, and ends the link registration process shown in FIG.

  In step S207, the CPU 10 generates a link between the X axes shown in FIG. Further, in step S202, the CPU 10 registers content in the generated link, and ends the link registration process shown in FIG.

Next, link deletion performed by the CPU 10 will be described with reference to FIGS.
FIG. 18 is a diagram illustrating an example of deleting a link from FIG. In FIG. 18, the CPU 10 deletes the content corresponding to the link 180. In step S110 of FIG. 2, the CPU 10 deletes the content ID of the link 180 in the link management table 190 shown in FIG. FIG. 19 is a diagram illustrating an example of the link management table 190. Next, in step S111, the CPU 10 deletes the content corresponding to the content ID from the content management table 30.

  FIG. 20 is a diagram illustrating an example of deleting the link between the X axes from FIG. In FIG. 20, the CPU 10 deletes the content corresponding to the link 181 in FIG. In step S110 in FIG. 2, the CPU 10 deletes the link 191 in the link management table 190 shown in FIG. Further, the link management table 210 shown in FIG. 21 is obtained by correcting the link 200, the link 201, and the link 202 by the CPU 10. FIG. 21 is a diagram illustrating an example of the link management table 210. Next, in step S <b> 111, the CPU 10 deletes the corresponding content from the content management table 30.

Next, display display performed by the CPU 10 will be described with reference to FIGS.
FIG. 22 is a diagram showing a state of browsing. In FIG. 22, the browser 220 moves up, down, left, and right to display different contents. However, this is an image. When the content is switched, the browser 220 does not actually move, but the content is scrolled and displayed by the CPU 10 (or the display control unit 13).

  FIG. 23 is a diagram illustrating an example in which the distance of a link is represented by a size. In FIG. 23, with the link 230 (content corresponding to the link 230) as the center, the longer the link distance, the smaller the content is displayed. The CPU 10 displays the link 231 (content corresponding to the link 231) large because the link distance to the link 230 (content corresponding to the link 230) is short. Further, the CPU 10 displays the link 232 (content corresponding to the link 232) small because the link distance from the link 230 (content corresponding to the link 230) is long.

  FIG. 24 is a diagram illustrating an example in which a link distance is represented by a space. In FIG. 24, the CPU 10 (or the display control unit 13) displays the content at a location corresponding to the distance of the link with the link 240 (content corresponding to the link 240) as the center. The CPU 10 displays the link 241 (content corresponding to the link 241) close because the link distance to the link 240 (content corresponding to the link 240) is short. Further, the CPU 10 displays the link 242 (content corresponding to the link 242) far away because the link distance to the link 240 (content corresponding to the link 240) is long.

The CPU 10 can register the link in the multidimensional matrix by increasing the link direction registered in the link management table 50. For example, the CPU 10 can form a three-dimensional matrix (three-dimensional matrix table) by adding a link forward to the Z axis and a link backward to the Z axis to the link management table 50.
As described above, according to the present embodiment, it is possible to easily grasp the relationship between pages by configuring hyperlinks in a two-dimensional matrix.

  For example, when one page is considered as content, it is possible to configure such as page feed in the X-axis direction and user switching in the Y-axis direction. By introducing such a configuration into the education system, it is possible to manage the teaching materials handled by the teacher and the answers made by each student as one document. Furthermore, by restricting browsing in the Y-axis direction with a password, etc., it is possible to realize a system that allows teachers to view teaching materials and all answers, while allowing students to view only teaching materials and their answers. it can.

  That is, the CPU 10 performs user authentication based on authentication information input by the user, classifies the user as, for example, a teacher or a student, and determines access rights to the content. And CPU10 restrict | limits the display of the said content according to the result of the said determination. As a result, as described above, the teacher can view the teaching material and all the answers, and the student can browse only the teaching material and his / her answer.

<Other embodiments>
The object of the present invention is achieved by the following. That is, a storage medium (or recording medium) in which a program code of software that realizes the functions of the above-described embodiments is recorded is supplied to the system or apparatus. Then, the central processing means (CPU or MPU) of the system or apparatus reads and executes the program code stored in the storage medium. In this case, the program code itself read from the storage medium realizes the functions of the above-described embodiment, and the storage medium recording the program code constitutes the present invention.

  In addition, by executing the program code read by the central processing means of the system or apparatus, an operating system (OS) or the like operating on the system or apparatus performs actual processing based on the instruction of the program code. Do some or all. The case where the function of the above-described embodiment is realized by the processing is also included.

  Further, it is assumed that the program code read from the storage medium is written in a memory provided in a function expansion card inserted into the system or apparatus or a function expansion unit connected thereto. After that, based on the instruction of the program code, the CPU of the function expansion card or function expansion unit performs part or all of the actual processing, and the function of the above-described embodiment is realized by the processing. It is.

  When the present invention is applied to the storage medium, the storage medium (computer-readable storage medium) stores program codes corresponding to the flowcharts described above.

  As mentioned above, according to each embodiment mentioned above, the relationship between contents can be grasped | ascertained easily.

  The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to such specific embodiments, and various modifications can be made within the scope of the gist of the present invention described in the claims.・ Change is possible.

10 CPU
11 Memory 12 Input unit 13 Display control unit 14 Display

Claims (9)

First information indicating that the second content is associated with the first content forward in the first axial direction; and third information forward with respect to the first content in the second axial direction. Holding means for holding second information indicating that the content is associated, and third information indicating that the fourth content is associated in front of the third content in the first axial direction. When,
Fourth information indicating that the first content is associated with the fourth content behind the second axial direction, and the fourth content with respect to the second axial direction. It is possible to add and hold the fifth information indicating that the second content is associated with the holding means in the rear, and the fourth information according to an instruction to add the fourth content And control means for causing the holding means to hold any one of the fifth information, and
Based on which of the fourth information and the fifth information is held by the holding unit, the content displayed on the display unit from the state where the fourth content is displayed on the display unit. The display unit displays the fourth content in a state where it is possible to identify whether the content displayed when switching to the rear of the second axis is the first content or the second content. An information processing apparatus comprising: display control means for displaying on the display.   When the display control unit is instructed to switch the content to be displayed on the display unit, the information indicating the axial direction related to the switching, the information indicating the front or rear of the axial direction, and the information managed by the holding unit 2. The information processing apparatus according to claim 1, wherein control for switching content to be displayed on the display unit is performed based on the information. The holding means is information added to the first content, the first information indicating that the second content is associated with the first content in front of the first axial direction. Information added to the first content, the second information indicating that the third content is associated with the first content forward in the second axial direction, and the first content The third information indicating that the fourth content is associated with the third content forward in the first axial direction, and the information added to the third content, and the third content And 6th information indicating that the first content is associated with the third content behind in the second axial direction.
The control means is information added to the fourth content, the fourth content indicating that the first content is associated with the fourth content behind the second axis. Information and information that is added to the fourth content and that indicates that the second content is associated with the fourth content behind the second axis. Can be added and held in the holding means,
The control unit stores the fourth information, which is information added to the fourth content among the fourth information and the fifth information, in response to an instruction to add the fourth content. The information is added to the fourth content, and the third content is associated with the fourth content behind the first axis. When holding the seventh information indicating the above and the fourth information, the display control means,
When the first content is displayed on the display unit and an instruction to switch the content to be displayed on the display unit to the content associated with the front in the second axial direction is made, based on the second information Displaying the third content on the display means;
When the third content is displayed on the display unit and an instruction to switch the content to be displayed on the display unit to the content associated rearward in the second axial direction is made, based on the sixth information Displaying the first content on the display means;
When the fourth content is displayed on the display means and an instruction to switch the content to be displayed on the display means to content associated with the rear in the first axial direction is made, based on the seventh information Displaying the third content on the display means;
When the fourth content is displayed on the display means and an instruction to switch the content displayed on the display means to the content associated with the rear in the second axial direction is made, based on the fourth information The information processing apparatus according to claim 1, wherein control is performed to display the first content on the display unit. First information indicating that the second content is associated with the first content forward in the first axial direction; and third information forward with respect to the first content in the second axial direction. The holding unit holds the second information indicating that the content is associated and the third information indicating that the fourth content is associated with the third content forward in the first axial direction. Holding step to
Fourth information indicating that the first content is associated with the fourth content behind the second axial direction, and the fourth content with respect to the second axial direction. Control means capable of adding to the holding means and holding fifth information indicating that the second content is associated with the second content behind is provided in response to an instruction to add the fourth content. A control step of causing the holding means to hold any one of the information and the fifth information;
Based on which of the fourth information and the fifth information is held by the holding unit, the content displayed on the display unit from the state where the fourth content is displayed on the display unit. The display unit displays the fourth content in a state where it is possible to identify whether the content displayed when switching to the rear of the second axis is the first content or the second content. A display control step for displaying the information on the display.   In the display control step, when switching of content to be displayed on the display unit is instructed, information indicating the axial direction related to the switching, information indicating front or rear in the axial direction, and information managed by the holding unit 5. The information processing method according to claim 4, wherein control for switching content to be displayed on the display unit is performed based on the information. In the holding step, the first information that is information added to the first content and indicates that the second content is associated with the first content forward in the first axial direction; Information added to the first content, the second information indicating that the third content is associated with the first content forward in the second axial direction, and the first content The third information indicating that the fourth content is associated with the third content forward in the first axial direction, and the information added to the third content, and the third content 6th information indicating that the first content is associated with the third content behind the second axial direction in the holding means,
In the control step, the control means is information added to the fourth content, wherein the first content is associated with the fourth content behind the second axis. The fourth information to be shown and information added to the fourth content, which indicates that the second content is associated with the fourth content behind the second axis. It is possible to add and hold the fifth information in the holding unit,
The control unit stores the fourth information, which is information added to the fourth content among the fourth information and the fifth information, in response to an instruction to add the fourth content. The information is added to the fourth content, and the third content is associated with the fourth content behind the first axis. In the case where the seventh information indicating the above and the fourth information are held, in the display control step,
When the first content is displayed on the display unit and an instruction to switch the content to be displayed on the display unit to the content associated with the front in the second axial direction is made, based on the second information Displaying the third content on the display means;
When the third content is displayed on the display unit and an instruction to switch the content to be displayed on the display unit to the content associated rearward in the second axial direction is made, based on the sixth information Displaying the first content on the display means;
When the fourth content is displayed on the display means and an instruction to switch the content to be displayed on the display means to content associated with the rear in the first axial direction is made, based on the seventh information Displaying the third content on the display means;
When the fourth content is displayed on the display means and an instruction to switch the content displayed on the display means to the content associated with the rear in the second axial direction is made, based on the fourth information The information processing method according to claim 4, wherein control is performed to display the first content on the display unit. On the computer,
First information indicating that the second content is associated with the first content forward in the first axial direction; and third information forward with respect to the first content in the second axial direction. The holding unit holds the second information indicating that the content is associated and the third information indicating that the fourth content is associated with the third content forward in the first axial direction. Holding procedure to
Fourth information indicating that the first content is associated with the fourth content backward in the second axial direction with respect to the fourth content, and the second content with respect to the fourth content. Functioning as control means capable of adding to and holding the fifth information indicating that the second content is associated with the second content in the rear in the axial direction, and the control means A control procedure for causing the holding means to hold one of the fourth information and the fifth information according to an instruction to be added;
Based on which of the fourth information and the fifth information is held by the holding unit, the content displayed on the display unit from the state where the fourth content is displayed on the display unit. The display unit displays the fourth content in a state where it is possible to identify whether the content displayed when switching to the rear of the second axis is the first content or the second content. Display control procedure to be displayed on and a program for executing.   In the display control procedure, when switching of contents to be displayed on the display unit is instructed, information indicating the axial direction related to the switching, information indicating front or rear in the axial direction, and information managed by the holding unit The program according to claim 7, for causing the computer to execute control for switching the content to be displayed on the display unit. In the holding procedure, the first information which is information added to the first content and indicates that the second content is associated with the first content forward in the first axial direction; Information added to the first content, the second information indicating that the third content is associated with the first content forward in the second axial direction, and the first content The third information indicating that the fourth content is associated with the third content forward in the first axial direction, and the information added to the third content, and the third content 6th information indicating that the first content is associated with the third content behind the second axial direction in the holding means,
In the control procedure, the control means is information added to the fourth content, wherein the first content is associated with the fourth content behind the second axis. The fourth information to be shown and information added to the fourth content, which indicates that the second content is associated with the fourth content behind the second axis. It is possible to add and hold the fifth information in the holding unit,
The control unit stores the fourth information, which is information added to the fourth content among the fourth information and the fifth information, in response to an instruction to add the fourth content. The information is added to the fourth content, and the third content is associated with the fourth content behind the first axis. In the case where the seventh information indicating the above and the fourth information are retained, in the display control procedure,
When the first content is displayed on the display unit and an instruction to switch the content to be displayed on the display unit to the content associated with the front in the second axial direction is made, based on the second information Displaying the third content on the display means;
When the third content is displayed on the display unit and an instruction to switch the content to be displayed on the display unit to the content associated rearward in the second axial direction is made, based on the sixth information Displaying the first content on the display means;
When the fourth content is displayed on the display means and an instruction to switch the content to be displayed on the display means to content associated with the rear in the first axial direction is made, based on the seventh information Displaying the third content on the display means;
When the fourth content is displayed on the display means and an instruction to switch the content displayed on the display means to the content associated with the rear in the second axial direction is made, based on the fourth information The program according to claim 7 for causing the computer to execute a process of performing control to display the first content on the display unit.

Images