JP2735012B2 - Virtual library system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[Industrial application field] Electronic library that digitizes information media such as books and books, or that can access already digitized information media from multiple remote locations and realizes operations such as searching, browsing, and relocating on an open shelf. It is about the system.

[0002]

[Prior art]

<Prior art 1> To perform a search in a book information search system currently installed in many libraries, a search terminal user himself / herself searches for a keyword, book name, author name, etc. suitable for the properties of desired book information. Input into the thought terminal,
The server searches the server for book information that matches the conditions and replies to the terminal. The replied book information is displayed on the display of the terminal as a character string.

<Prior Art 2> A search apparatus capable of searching for a desired book using image information without performing a search with the keyword of <Prior Art 1> is disclosed in, for example, Japanese Patent Laid-Open No. 1-171065. And JP-A-2-6987
No. 0 is known. This search device displays images in the library on the display of a search terminal on the user side via a communication line, and uses a means for switching images by user operation, using a virtualized library itself. Open-ended search is realized. By using this, it is possible for a user to search for a target book without attaching a keyword himself or knowing how to use the search terminal. In addition, by displaying a multi-branch tree-structured menu for selecting a classification item at a stage prior to the book display, the book information can be narrowed down by an interactive search.

[0004]

[Problems to be solved by the invention]

<Related Art 1> A search terminal using a keyword needs to have a certain level of knowledge on a search target desired by the user himself. For ordinary users of the library, recalling the keywords was extremely difficult and cumbersome. When a search is performed using a keyword having a broad concept, the number of search results becomes enormous. On the other hand, a keyword having a narrow concept cannot obtain desired book information. Therefore, such a condition search cannot respond to a user who cannot think of a keyword or a user who wants to search without a special purpose.

<Prior art 2> In the open search according to <Prior art 2>, which solves the above-mentioned problem of the conditional search, the user cannot operate a virtually displayed shelf or book by himself to change the layout. Was. As a result, the same procedure must be followed when locating a previously searched book, and even if the bookshelf is specified in the user's own specialty, the book is of the same type, that is, a book row with the same arrangement. Could not be displayed in a list. In addition, in the search stage, the user attaches a mark to a previously searched or read book, a book to be read, or newly added data included in the category specified by the user in advance. And did not effectively utilize the merits of virtualization, which treats virtual books as their own books. Therefore, before performing an open search, it is necessary to have a function to set or change the position of bookshelves or books automatically, a function to specify the moving range or route of the user, and a function to add marks to books Had become.

SUMMARY OF THE INVENTION An object of the present invention is to provide a book search system which enables open search on a library virtually displayed in order to solve the above-mentioned problems, to change the arrangement of bookshelves and books and to add marks to books. The objective is to obtain a virtual library system that can be realized with simple settings and can be handled as a user's own bookshelf.

[0007]

The first invention comprises an information storage device for storing stored information, a user terminal device for searching and browsing the stored information, and a communication line connecting between them. In the virtual library system, the user terminal device includes shelf information of an information storage device, a shelf position on the user terminal device associated with the book information, a book position, and a display position including book-attached attribute information such as a book mark. A setting storage base for storing information, an operation history storage base for storing past operation history information, a keyword storage base for storing keywords such as a book classification name or an author name specified by a user, and a search result. Search result storage base for storing shelf information and book information from the information storage device side, and setting / change / setting of display position information based on operation information from input means Saving to pay the base, change the display position information based on the operation history information, to sort the shelves, a book information, select a book from the menu that is displayed on the display means,
The book is characterized by including a control processing unit that performs processing such as marking the book, changing display position information, and displaying a range or route on which the user can move on a display unit.

[0008] A second invention is the first invention, wherein:
The user terminal device includes an operation history storage base for storing past operation history information, and the control processing unit includes a process of changing display position information output to display means based on the operation history information. The arrangement of books can be changed.

In a third aspect based on the first and second aspects, the user terminal device further comprises a search result storage base for storing shelf information and book information from the information storage device side as search results, The control processing section includes a process of sorting the shelf / book information and changing the display position information, thereby enabling arrangement change of the shelf / book.

In a fourth aspect based on the second aspect, the user terminal device further comprises a keyword storage base for storing a keyword such as a book classification name or an author name designated by the user, The processing includes changing the display position information output to the display means based on the operation history information and the keyword specified by the user.
The arrangement of books can be changed.

Further, the fifth invention is characterized in that the first, second,
In the inventions of the third and fourth aspects, a book is selected from a menu output to the display means on the user terminal device, and the book is marked by the control processing unit.

Further, a sixth invention provides a method according to the first, second, and third aspects.
In the inventions of claims 3, 4, and 5, the processing in the control processing section of the user terminal device is characterized in that a range or a route in which the user can move is displayed on the display means simultaneously with the book layout diagram.

[0013]

The arrangement of books and books in the virtual library system according to the present invention is firstly changed by comparing the settings of the books and books that have been arranged by the user with the display position information of the previous state by the control processing unit. The book shelf and the book are linked with the book shelf information and the book information of the information storage device in which the book shelf and the book are actually stored, and updated as new display position information. In response to the registration request, the control processing unit stores the new display position information in the setting storage base. The control processing unit acquires the shelf information and the book information from the information storage device, compares the information with the display position information, and outputs the result to the display unit.

On the other hand, it is also possible to change the arrangement automatically instead of the arrangement change by the direct operation by the user as described above. The control processing unit extracts operation history information from the operation history storage base, performs sorting according to, for example, frequency, changes display position information based on the result, and stores the display position information in the setting storage base.

Alternatively, only the information included in the category specified by the user is extracted from the history information from the operation history base and the keyword information registered by the user, the display position is changed, and stored in the setting storage base.

It is also possible to change the arrangement from the secondary information of the search result. The control processing unit searches a search result storage base from secondary information such as an author name and a keyword,
Acquire necessary shelf / book information. The display position information is changed based on the result and stored in the setting storage base.

Next, a process of selecting a book from a menu displayed on the display means and marking the book will be described.
In the control processing unit, after acquiring the book mark assignment request from the input means, acquires the book selected by the user himself, adds the mark assignment information to the display position information of the book, and stores it in the setting storage base, It is possible to mark books.

Further, it is necessary for the user to accurately store the book shelf and the book position after the change by making the display position changeable. By clearly indicating the route on the display device, the user's movement selection operation is facilitated.

[0019]

Next, an embodiment of the present invention will be described with reference to the drawings.

This embodiment comprises eight embodiments, and one embodiment of the first to sixth aspects of the present invention is the first embodiment.
To 6. Embodiments 7 and 8 are other embodiments of the present invention.

Embodiment 1 FIG. 1 is a configuration diagram of a virtual library system according to the present invention. The information storage device 1 and the user terminal device 3 are connected by a communication line 2.

The information storage device 1 on the server side where book information and the like are stored includes a book shelf information storage base 10 for storing book shelf information 30 which is information such as a book shelf position, a class name, and the number of books. A cover image, contents, a book information storage base 11 for storing book information 31, which is information such as primary information and secondary information, and a request from the user terminal device 3, interpreting a book information storage base 10, and a book information It comprises an extraction processing unit 4 for extracting shelf information 30 and book information 31 from the storage base 11.

The user terminal device 3 for the user to perform a search accepts a request from the user and receives the operation information 20.
An input means 6 for converting the information into a form, a display means 7 for interpreting and displaying a search state of the shelf information 30 and the book information 31 and an operation control state such as an arrangement change thereof, And a generation base 12 for storing a shelf / book image 32 which is image data of book display, a classification base 13 for storing classification item information 33 which is a book classification, a shelf information 30 and a book information 31 of the information storage device 1. The setting storage base 14 for storing the display position information 34 including the book position, the book position, and the book providing attribute information such as the book mark on the associated user terminal device 3.
And the shelf information 30 and the book information 31 of the information storage device 1
Acquisition and interpretation, exchange of operation information 20 with the input means 6, exchange of display information 21 with the display means 7, acquisition of the necessary bookshelf / book image 32 from the generation base 12, and acquisition of the bookshelf information 30 and books information 31 Synthesis, shelf information 30
From the control processing unit 5 which performs processing such as extracting the classification item information 33 from the classification base 13, storing it in the classification base 13, setting and changing the display position information 34 based on the operation information 20 from the input unit 6, and storing it in the setting storage base 24. Be composed.

FIG. 8 shows a search screen 70 displayed on the display means 7 according to the present invention. The search screen 70 is a display example of virtual bookshelves and books as a result of the synthesis processing performed by the control processing unit 5 and a menu for displaying a list of operation commands for selecting and moving the bookshelves and books. 7
1

FIG. 9 shows a shelf arrangement setting screen 80 for changing the shelf arrangement displayed on the display means 7 according to the present invention.
a and the post-setting screen 80b as a result of the change. The bookshelf layout setting screen 80a and the post-setting screen 80b are examples of bookshelves displayed in the virtual library. The control processing unit 5 interprets the display position information 34, and the bookshelf information 30 and bookshelf / book image 3
2 is a result of performing a combining process with the second example. A menu 81 for displaying a command such as a movement of a shelf position and storing a result and an icon thereof, a shelf 82 which is an example of a number of shelves, and pointers 83a and 83 for selecting a shelf.
b.

FIG. 10 shows a book layout setting screen 9 for changing the book layout displayed on the display means 7 according to the present invention.
0a and a post-setting screen 90b as a result of the change.
The shelf arrangement setting screen 90a and the post-setting screen 90b interpret the display position information 34 by the control
-It is a display example of a virtual bookshelf, a book, etc. which are the result of having performed the synthesis | combination process of the books information 31 and the bookshelf / books image 32. The menu includes a menu 91 for displaying a command for moving the book position and storing the result and the icon thereof, a book 92 showing an example of the book, and pointers 93a and 93b for selecting the book.

Next, the operation of this embodiment will be described.
First, the flow of the search will be described. When the system is started, the control processing unit 5 acquires information related to the classification item information 33 from the shelf information 30 of the information storage device 1 in advance and stores it in the classification base 13. In response to a search request from the input unit 6, the control processing unit 5 acquires the required level of classification item information 33 from the classification base 13, converts it into display information 21, and outputs it to the display unit 7. The user selects a required shelf from the classification and issues a shelf display request through the input means 6. In response to the request, the control processing unit 5 communicates with the extraction processing unit 4 of the information storage device 1 and
The book information 31 is further obtained with a shelf / book image 32 from the generation base 12, a synthesizing process is performed, and the display information 21 is obtained.
The search result is output to the display means 7 and interpreted and the search result is output as a search screen 70. By pointing a book on the shelf displayed like the search screen 70 using the input unit 6, the operation information 20 is input by the input unit 6.
Is transmitted to the control processing unit 5, communicates with the extraction processing unit 4, acquires necessary book information 31, is converted into display information, and primary information such as the contents of the book is displayed on the display unit 7. Is done.

Next, a description will be given of a change in book layout and a change in book layout on the user terminal device 3 side. For the former change of the shelf arrangement, for example, on the shelf arrangement setting screen 80a displayed on the display unit 7, the book shelf 82 is pointed by the pointer 83a from the input means 6, and the shelf 82 is moved to the position of the pointer 83b on the screen 80b after setting. I do. The input unit 6 converts the moving operation into operation information 20 and transmits the operation information 20 to the control processing unit 5. The control processing unit 5 compares it with the display position information 34 in the previous state, links the book shelf with the book shelf information 30 of the information storage device 1 in which the book shelf is actually stored, and updates it as new display position information 34. In response to a registration request for the menu 81, the input means 6 converts the information into operation information 21 and transmits it to the control processing unit 5, where the new display position information 34 is stored in the setting storage base 14.

On the other hand, the latter book layout change can be performed, for example, by pointing the book 92 from the input means 6 with the pointer 93a on the book layout setting screen 90a displayed on the display means 7, and by using the pointer 93b on the screen 90b after setting. The book 92 is moved to the position. The input unit 6 converts the moving operation into operation information 20 and transmits the operation information 20 to the control processing unit 5. The control processing unit 5 collates with the display position information 34 of the previous state, and links the book shelf 31 with the book information 31 of the information storage device 1 in which the book shelf is actually stored, as in the case of the change of the book shelf arrangement. Update as Further, in response to a registration request for the menu 91, the input means 6 converts the information into operation information 21 and transmits it to the control processing unit 5, where the new display position information 34 is stored in the setting storage base 14.

With the above operation, it is possible to set and change the book layout and book layout on the user terminal device 3 side.

Embodiment 2 The virtual library system of FIG. 2 in which an operation history storage base 15 for storing operation history information 35 which is an operation history searched in the past is added to the virtual library system of FIG. The operation will be described. The book layout and book layout change in this system are realized by the following operations. The control processing unit 5 extracts the past operation history information 35 from the operation history storage base 15 and sorts the operation history information, for example, in descending order of use frequency, in order of time, or the like. Based on the sorting result, the control processing unit 5 changes the display positions of the bookshelves and books displayed on the display means 7 in the order of frequency, for example, and changes the display positions of the bookshelves and books in the information storage device 1 in which the bookshelves and books are actually stored. The display position information 34 is updated by linking to the shelf information 30 and the book information 31 and stored in the setting storage base 14. By this operation, setting and changing of the book layout and the book layout can be automatically performed.

Embodiment 3 A diagram obtained by adding a search result storage base 16 for storing book and book information 26 obtained by combining book information 30 and book information 31 as search results to the virtual library system of FIG. The operation of the third virtual library system configuration will be described. The book layout and book layout change in this system are realized by the following operations. From the menu 71, a request to change the bookshelf and book layout is selected from the secondary information such as the author name and keywords of the book, which is the search result displayed on the search screen 70, and the input means 6
Is converted into operation information 20 and transmitted to the control processing unit 5. The control processing unit 5 extracts and searches necessary shelf / book information 26 from the search result storage base 16 and rearranges the display positions of the shelf and books based on the result, and the shelf and books are actually stored. The display position information 34 is converted by linking to the shelf information 30 and the book information 31 of the information storage device 1, and stored in the setting storage base 14.

Further, the information storage device 1 is obtained from the secondary information such as the author name and keyword of the book displayed on the search screen 70.
It is also possible to acquire the shelf information 30 and the book information 31 on the side. A menu 71 is used to select a request to obtain bookshelves and books from the secondary information, and the input means 6 is used to select the operation information 2
It is converted to 0 and transmitted to the control processing unit 5. Based on the request, the control processing unit 5 communicates with the extraction processing unit 4, where the shelf information storage base 10 and the book information storage base 1
1 to obtain necessary shelf information 30 and book information 31. Further, the shelf / book image 32 is obtained from the generation base 12, is subjected to a synthesizing process with the information, converted into display information 21, transmitted to the display means 7, interpreted, and output.

With the above operation, setting and changing of the shelf arrangement and book arrangement from the search result, and search and retrieval of the shelf and book
Acquisition becomes possible.

Embodiment 4: A virtual library system of FIG. 4 in which a keyword storage base 17 for storing keywords such as a book classification name or an author name specified by a user is added to the virtual library system of FIG. Will be described. The book layout and book layout change in this system are realized by the following operations. The control processing unit 5 extracts past operation history information 35 from the operation history storage base 15, and further includes keyword information 37 such as a specific author name and classification name stored in the keyword storage base 17 from the operation history information. Only the operation history information to be retrieved. Based on this information, the control processing unit 5 performs a sort process based on, for example, the frequency of appearance of the shelf name in the history,
The display positions of the bookshelves and books displayed on the display means 7 are changed, and the bookshelf information and book information 31 of the information storage device 1 in which the bookshelves and books are actually stored are linked to display position information 34. Update and store settings 1
4 is stored. With this operation, setting and changing of the shelf arrangement and the book arrangement can be performed in a form including the specific intention of the user.

Embodiment 5: A virtual library system characterized in that the book display screen 40 on the display unit 7 as shown in FIG. explain. The book display screen 40 in FIG. 5 is a virtual book shelf which is a result of interpreting the display position information 34 by the control processing unit 5 and performing a synthesis process of the book shelf information 30 / book information 31 and the book shelf / book image 32. And a menu 41 for displaying a list of operation commands such as marking a book.
, A book 42 showing an example of a book, a pointer 43 for selecting a book, and a mark 44 attached to the book. The operation according to the present embodiment selects a book mark addition request from the menu 41 and is transmitted to the control processing unit 5.
The display means 7 indicates that the book mark selection mode has been entered.
Tell After that, the book 42 is selected by the pointer 43 from the input means 6, converted into the operation information 20, and
Conveyed to. The control processing unit 5 adds the mark addition information to the display position information 34 of the book, and stores it in the setting storage base 14.

With the above operation, the user makes a setting for marking the book, so that the virtual book can be handled as a book owned by the user.

Embodiment 6: A control processing unit for performing a process of displaying a route / range display screen indicating a range in which a user can move on the search screen 70 on the display means 7 as shown in FIG. 8 in the above-described embodiment. 5 is described.

The book display screen 70 shown in FIG. 11 is a virtual result obtained by interpreting the display position information 34 by the control processing unit 5 and performing a synthesizing process of the book shelf information 30 / book information 31 and the book shelf / book image 32. A route / range display screen 72 displaying a designated route 73 to be moved to the user is displayed simultaneously with the display of the bookshelf. FIG.
On the route / range display screen 72 of the book display screen 70, a range that can be used by the user is displayed as a designated range 74 instead of the designated route.

The operation of this embodiment will be described. Using the past operation history information 35 obtained from the operation history base 15 or the shelf / book information obtained from the search result storage base 16, the control processing unit 5 extracts, for example, usage frequency information of the user and sorts the information. Do. For example, a route from a book shelf that is most frequently used by a user is set in a list of books on which arrangement has been changed based on the sorting result. The determined route is displayed as a designated route 73 on the route / range display screen 72 on the display means 7. Alternatively, the control processing unit 5 determines that only the items included in the higher order in the sorting order can be moved, and displays the specified range 73 on the route / range display screen 72 on the display unit 7.

With the above operation, the route that the user can move
The range can be specified, and the user's movement selection operation can be easily performed in a virtual book whose arrangement can be changed.

Embodiment 7: FIG. 6 is a configuration diagram of a virtual library system when the generation base 12 of the virtual library system of the fourth embodiment is shifted to the information storage device 1 side. The control processing unit 5 extracts the bookshelf / book image 32, which is image data of bookshelves and books, from the extraction processing unit 4 of the information storage device 1.
Communicates with and acquires.

Embodiment 8: FIG. 7 is a diagram showing a virtual library system comprising a plurality of information storage devices and a plurality of user terminal devices according to the fourth embodiment. A plurality of information storage devices 1a on the server side where book information and the like are stored
.About.1n are connected by communication lines 2a-2b via a plurality of user terminal devices 3a-3n for a plurality of users to search and a line control device 8 for exchanging between them.
The operations of the user terminal devices 3a to 3n include the operations in the fourth embodiment. Further, it is possible to connect to a plurality of information storage devices 1a to 1n, thereby enabling information retrieval.

[0044]

According to the present invention, in a virtual library system that virtually displays an existing library and realizes an open-type search that walks in a three-dimensional space, it is possible to change the arrangement of bookshelves and books and to add marks to books. Therefore, even if the number of books and books stored on the information storage device are the same and the contents are the same, bookshelves and bookshelves with different arrangements among them can be created, automatically set, and books can be created virtually. Can be treated as their own property.

As described above, by using the present invention, it is possible to generate a user-specific virtual library, and it is possible to handle information on the storage device side in the same way as information owned by the user himself. become.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing one embodiment of a configuration of a virtual library system of the present invention.

FIG. 2 is a configuration diagram showing an embodiment of a virtual library system in which an operation history storage base for storing operation history information is added to the user terminal device of the embodiment in FIG.

FIG. 3 is a configuration diagram showing an embodiment of a virtual library system in which a search result storage base for storing shelf / book information is added to the user terminal device of the embodiment in FIG. 2;

FIG. 4 is a block diagram showing an embodiment of a virtual library system in which a keyword storage base for storing keywords such as a book classification name or an author name specified by a user is added to the user terminal device of the embodiment in FIG. 2; FIG.

FIG. 5 is a diagram showing that a mark is attached to a book using input means in the display means on the user terminal device in one embodiment of the present invention.

FIG. 6 is a configuration diagram showing one embodiment of a virtual library system in which a generation base on the user terminal device of FIG. 3 is transferred to an information storage device.

FIG. 7 is a configuration diagram illustrating a virtual library system including a plurality of storage devices and a plurality of user terminal devices.

FIG. 8 is a search display screen on the user terminal device in one embodiment of the present invention.

FIG. 9 is a setting screen for changing the shelf arrangement performed from the display means on the user terminal device according to one embodiment of the present invention.

FIG. 10 is a book layout change setting screen from a display screen on a user terminal device according to an embodiment of the present invention.

FIG. 11 is a screen displaying a designated route on the display screen of the user terminal device according to one embodiment of the present invention.

FIG. 12 is a screen displaying a designated range on the display screen of the user terminal device according to one embodiment of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 information storage device 2 communication line 3 user terminal device 4 extraction processing unit 5 control processing unit 6 input means 7 display means 8 line control device 10 bookshelf information storage base 11 book information storage base 12 generation base 13 classification base 14 setting storage base 15 Operation history storage base 16 Search result storage base 17 Keyword storage base 20 Operation information 21 Display information 30 Book shelf information 31 Book information 32 Book shelf / book image 33 Classification item information 34 Display position information 35 Operation history information 36 Book shelf / book information 37 Keywords Information 40 Book display screen 41 Menu 42 Book 43 Pointer 44 Mark 70 Search screen 71 Menu 72 Route / range display screen 73 Specified route 74 Specified range 80a Shelf layout setting screen 80b Post-setting screen 81 Menu 82 Shelf 83a to 83b Po Pointer 90a books arrangement setting screen 90b after setting screen 91 Menu 92 books 93a~93b pointer 1a~1n information storage device 2a~2b communication line 3a~3n user terminal device

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-61-29936 (JP, A) JP-A-2-69870 (JP, A) JP-A-1-250135 (JP, A) "Electronic Book Search Using Animation-Overview of" Son Goku "Book System-", Science and Technology Literature Service, NO. 88, 1989, p. 11-17 Sato, Kishimoto, "Future Electronic Library" Son Goku "", Information Management, VOL. 31, NO. 12, MAR. 1989, p. 1023-1034 Sato, "Electronic Library with CG Images 'Son Goku'", Information Processing Society of Japan Research Report, VOL. 91, NO. 98, (91-FI-24), p. 1-8

Claims (6)

(57) [Claims] An information storage device for storing stored information, a user terminal device for searching and browsing the stored information,
In a virtual library system including a communication line connecting the information storage device and the user terminal device, the information storage device stores shelf information which is information such as a shelf position, a class name, and the number of books. Shelf information storage base,
A book information storage base for storing book information, which is information such as a position on a classified book shelf, a cover image, primary information, and secondary information, and a request from the user terminal device, and a book shelf information storage base and book information An extraction processing unit for extracting shelf information and book information from a storage base; wherein the user terminal device receives input from a user and converts the information into operation information; and the shelf information and book information. Display means for interpreting and displaying display information for displaying operation control states such as a search state of a document and a change in its arrangement, a generation base for storing bookshelves and book images which are image data of bookshelves and books, and books A classification base for storing classification item information, which is a classification, and shelf information of the information storage device, a shelf position on the user terminal device associated with the book information, a book position, and a book mark. And a setting storage base for storing display position information including book-giving attribute information, and obtaining and obtaining shelf information and book information from an information storage device.
Interpretation, exchange of operation information with the input means, exchange of display information with the display means, obtain the required bookshelf / book image from the generation base, and combine it with the bookshelf information / book information,
Including a control processing unit for extracting classification item information from the shelf information and performing processing such as storage in a classification base, setting / change of display position information based on operation information from an input unit, and storage in a setting storage base. Characterized virtual library system. 2. A process in which the user terminal device has an operation history storage base for storing past operation history information, and wherein the control processing unit changes display position information to be output to display means based on the operation history information. The virtual library system according to claim 1, wherein the arrangement of bookshelves and books is enabled. 3. A search result storage base for storing shelf information and book information from the information storage device side as search results in the user terminal device, and the control processing unit sorts the book shelf / book information. 3. The virtual library system according to claim 1, further comprising a process of changing display position information, and enabling arrangement change of bookshelves and books. 4. The user terminal device has a keyword storage base for storing keywords such as book classification names or author names specified by the user, and the control processing unit specifies the operation history information and the user. 3. The virtual library system according to claim 2, further comprising a process of changing display position information output to the display means based on the keyword, and enabling arrangement change of bookshelves and books. 5. A book is selected from a menu output to a display means on the user terminal device, and the control processing unit marks the book. Virtual library system described in. 6. The processing in the control processing unit of the user terminal device, wherein a range or a route on which the user can move is displayed on the display means simultaneously with the shelves layout drawing. The virtual library system according to 3, 4, or 5.