JPH0728681A - Cd-rom library system - Google Patents

Abstract

PURPOSE:To perform an efficient access process when access concentrates on a CD-ROM with the same title and to perform centralized control over the utilization states of CD-ROMs by freely setting the scale of the CD-ROM library system after installation. CONSTITUTION:This CD-ROM library system consists of plural CD-ROMs 5, plural readers 4 which read record information out of the CD-ROMs 5, plural user terminals 8, a 1st storage means which stores management information showing the correspondence relation between the CD-ROMs 5 and respective readers 4, a process means which reads record information out of a CD-ROM 5 having a title specified at an access request from a user terminal 8 and sends it back to the user terminal 8, a 2nd storage means which stores the CD-ROM 5 in an access state in reader units, a control means which distributes access requests from the user terminals 8, and a 3rd storage means which stores the CD-ROM utilization states including the certain-time utilization frequencies of plural CD-ROMs 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a CD-ROM library system in which a plurality of people use books in CD-ROM format.

[0002]

2. Description of the Related Art In recent years, information database services using optical disks such as CD-ROMs have become widespread. For example, a library provides a browsing service for books in CD-ROM.

As a method of using such a browsing service, a CD-ROM desired by the user is a CD-ROM.
There is a method of reading and reading with a stand-alone PC (personal computer) equipped with a reading device.

Also, a plurality of CD-ROMs and a plurality of CD-ROMs
There is a method of using a CD-ROM library system (optical disk book browsing system) which is provided with a ROM reading device and is composed of a browsing terminal device such as a PC connected through a communication line such as a LAN.

As a publicly known example of accessing information on a CD-ROM from a PC via a network as described above, "use of a CD-ROM in a network environment"
("Science and Technology of Information" Vol. 41, No. 9, p716-p72
2, 1991).

[0006]

[Problems to be Solved by the Invention] However, in the past,
In a CD-ROM library system in a library, for example, the number of installed CD-ROMs and the number of installed CD-ROM readers are fixed, so that a CD-ROM library system of a scale desired by the library cannot be selected. There is. Further, in such a library system, there is a problem that the scale cannot be freely expanded after the system is introduced.

Further, since the conventional CD-ROM library system has a fixed scale, for example, when a plurality of users simultaneously read one CD-ROM, the second and subsequent users. However, there is a problem that a waiting time occurs.

Therefore, in such a library system of a library using a CD-ROM, when access is concentrated on a particular popular CD-ROM, it takes a lot of time to finish processing all the access, As a result, there is a problem in that the waiting time of a user whose access timing is delayed becomes long and the user cannot access.

Further, since the conventional CD-ROM library system is not a system for centrally managing the CD-ROM usage status including the usage frequency of each CD-ROM within a certain period, it is operated by the installing side. There is a problem that it is difficult to do.

A first object of the present invention is to make it possible to freely set the scale of the system such as changing the number of installed CD-ROMs even after the introduction of the CD-ROM library system. It is to provide a library system.

A second object of the present invention is to provide a CD-ROM library system which enables efficient access processing even when access is concentrated on a CD-ROM of a specific title.

The third object of the present invention is to provide each CD-RO.
A CD that allows you to centrally manage the usage status of M
-To provide a ROM library system.

[0013]

In order to achieve the first object, the present invention provides a CD-ROM group including a plurality of CD-ROMs having the same title, and each CD-ROM group of the CD-ROM group.
A plurality of reading devices for reading the recorded information in the ROM, a plurality of user terminals, and a first storage means for storing management information indicating the correspondence between the titles of the respective CD-ROMs and the reading devices installed therein; A reading device equipped with a CD-ROM having a title designated by an access request from the user terminal is extracted by the management information,
CD-R with the title specified by the user on the reading device
The recording means of the OM is read, and the read information is returned to the user terminal of the access request source.

In order to achieve the above-mentioned second object, the present invention relates to a second storage means for storing a CD-ROM in an access state for each reading device and an access request from a user. Based on the information stored in the second storage means, it is determined whether or not the CD-ROM having the title designated by the user is being accessed, and when the CD-ROM is being accessed, the access is distributed to another CD-ROM having the same title. And means are provided.

In order to achieve the third object, the present invention comprises a third storage means for storing the CD-ROM usage status including the usage frequency of the plurality of CD-ROMs in a certain period. is there.

[0016]

According to the first means, the CD-recorder according to the present invention is
The ROM library system consists of multiple CD-s with the same title.
Each of the CD-ROMs includes a CD-ROM group including a ROM, a plurality of reading devices for reading information recorded in each CD-ROM of the CD-ROM group, and a plurality of user terminals.
And the management information indicating the corresponding relationship with the reading device in which each CD-ROM is mounted are stored in the first storage means.

Further, when an access request is made from the user terminal, a reading device equipped with a CD-ROM having the title designated by the user is extracted from the management information stored in the first storage means. To be done.

Then, the reading device reads the recorded information of the CD-ROM having the title designated by the user, and the read information is returned by the processing means to the user terminal of the access request source. It has become.

Thus, when changing the number of installed CD-ROMs and the number of installed CD-ROM readers, it is sufficient to change the contents of the management information stored in the first storage means. Even after the introduction of the CD-ROM library system, the scale of the CD-ROM library system can be freely set.

According to the second means, the plurality of CD-ROMs accessed by the user via the user terminal.
The ROM is stored in the second storage unit for each reading device mounted.

Then, at the time of requesting access from the user,
Based on the storage information of the second storage means, it is determined whether or not the CD-ROM having the title designated by the user is being accessed. When the CD-ROM is being accessed, the control means causes the other title Access is distributed to the CD-ROM.

As a result, the CD-RO of a specific title
Even if access is concentrated on M, efficient access processing can be performed without giving a waiting time to the user.

According to the third means, the CD-ROM usage status including the usage frequency of each CD-ROM used by a plurality of users within a fixed period is stored in the third storage means. .

As a result, the usage status of each CD-ROM can be centrally managed, and the CD-ROM library system can be easily operated by the installing side.

[0025]

Embodiments of the present invention will now be described in detail with reference to the drawings. In the present embodiment, the CD-
A ROM library system is assumed.

FIG. 1 is a block diagram showing the overall structure of the CD-ROM library system.

In FIG. 1, 1 is a processing unit (CPU) for executing various processes, 2 is a magnetic disk for storing various files used by each processing program of the CPU 1,
3 is an input / output terminal device for inputting / outputting various management information,
Reference numeral 4 is a CD-ROM reading device, and 5 is a book in the form of a CD-ROM (hereinafter referred to as a CD-ROM). It is assumed that these are collectively arranged in the management center 6 of the library.

Reference numeral 7 is a communication LAN (Local Area Network) line, and 8 is a browsing terminal device arranged in a research room 9 and a browsing room 10 connected by the LAN line 7 and used by the user. It has an input function to input the identification information that it has individually.

Although only two sets of the CD-ROM reader 4 and the CD-ROM 5 are shown in FIG. 1, the number of sets is arbitrary.

The CPU 1 is a user-specific identification information (affiliation, name, etc.) and access-prohibited CD-ROM ID.
A user management program 11 that manages information such as (IDentification), and a CD- that indicates the title of each CD-ROM 5.
CD-ROM management program 12 that manages ROM titles and the number of installed CD-ROM readers, billing management program 13 that manages the presence or absence of billing, CD-RO
Usage status management program 1 for managing usage status of M5
4. Processing such as the access control program 15 for controlling access to each CD-ROM 5 is executed.

FIG. 2 is a configuration diagram of files stored on the magnetic disk 2.

In FIG. 2, reference numeral 21 denotes a user management information file used by the user management program 11, which is created for each registered user and has identification information 211 such as name and affiliation, a user ID 212 and an access. Prohibition C
It is composed of a D-ROM ID 213.

Reference numeral 22 is a CD-ROM management information file used by the CD-ROM management program 12, which is created for each title of the installed CD-ROM 5.
CD-ROM title name 2 indicating the title of CD-ROM 5
21, CD-ROM ID 222, number of installed sheets 223, CD-ROM 5 of the corresponding CD-ROM title name 221
Is composed of a logical drive ID 224 and charging basic information 225 of the CD-ROM reading device 4 connected to. Here, the charging basic information of the CD-ROM title name 221 that is not a charging target is set to "0" yen.

The CD-ROM management information file 22 shown in FIG.
Shows a CD-ROM5 book with the title "Kaguya Hime", the CD-ROM title name 221 is "Kaguya Hime", and the CD-ROM ID22
2 is "KAGUYA", and 5 books of the CD-ROM 5 titled "KAGUYA HIME" are set in the logical drive with the logical drive ID "G", and the charge is 50 yen per minute.

By having the CD-ROM management information file 22, the CD-ROM 5 and the CD-RO of each title are provided.
Correspondence with M-reading device 4 and CD of each title to be installed-
It becomes possible to manage the number of ROM5, CD-R
The number of installed OM readers 4 and the number 223 of installed CD-ROMs 5 can be arbitrarily set.

Therefore, the number of installed CD-ROMs 22 is 22.
3. If you want to add or change usage fees,
It is only necessary to change the contents of this CD-ROM management information file 22.

Reference numeral 23 is a billing management file, which is created for each biller who is a billing unit. Chargers may be individual or affiliated. The billing management file 23 has a biller ID 2
31 and a charge amount 232.

Here, the biller ID 231 is the user ID 2
12 may be used, or the membership code may be included in the user ID 212, and the user ID 212 may be set by grouping according to the membership code. For example, the usage fee of XX Taro of Group A for 1 year can be charged to Taro XX or Group A of 1 year.

Reference numeral 24 is a usage status management file, which is a CD-R.
Created for each OM5, CD-ROM ID24
1 and CD-RO corresponding to CD-ROM ID 241
The number of times 242 the CD-ROM 5 having the title indicated by the M title name 221 has been accessed and the total charge 243 are configured.

The information of the utilization status management file 24 is
This is for the operation manager to see, and what title CD-
It is used to determine whether the number of installed ROMs 223 should be increased.

FIG. 3 is a configuration diagram of the access status table 31 created by the usage status management program 14 at the start of access to the CD-ROM 5.

In FIG. 3, the access status table 31
Consists of a CD-ROM ID 311 currently being accessed and an access start time 312.

A branch number is added to the CD-ROM ID 311 when a plurality of CD-ROMs 5 having the same title are installed. In the example of FIG. 3, since a plurality of CD-ROMs 5 indicated by "KAGUYA" are installed, the CD-R
The branch numbers "KAGUYA-1" and "KAGUYA-2" are added to the OM ID 311, and "MOM
Since only one CD-ROM 5 indicated by "OTA" is installed, only CD-ROM ID 311 is provided.

FIG. 4 is a flow chart showing the procedure of a book browsing process on the CD-ROM 5.

Hereinafter, referring to FIG. 4, the user "XX Taro"
A procedure for browsing a book in the CD-ROM 5 of "Kaguya Hime" will be described.

First, the user "XX Taro" starts the connection to the CPU 1 via the communication LAN line 7 using the user ID 212 from the browsing terminal device 8 in the laboratory 9 or the browsing room 10. (Step 41).

Then, the user management program 11 searches the user management information file 21 using the entered user ID 212 as a key, checks whether the entered user is registered as a user, and establishes a connection. It is determined whether or not to accept (step 42). Since "xxtaro" is registered as a user, the connection is accepted.

Next, the CD-RO that the user wants to browse
Enter the title of M5 to access (Step 4)
3). Here, the "Kaguya Hime" CD-ROM 5 is accessed.

Then, the user management program 11 refers to the user management information file 21 and checks whether this user has the right to access the corresponding CD-ROM 5 (step 44). Access prohibition of "XX Taro" CD-ROM ID 213 "KAGUY
Since "A"("Kaguyahime") is not included, there is an access right.

Next, the usage status management program 14 searches the CD-ROM management information file 22 using the title entered by the user who has the access right as a key, and refers to the access status table 31 to find the corresponding title. CD-RO
It is checked in M5 whether or not there is a currently empty CD-ROM 5 (step 45).

From this CD-ROM management information file 22, the CD-ROM ID 222 of "Kaguya Hime" is "KA".
It is understood that five CD-ROMs 5 of "KAGUYA HIME" are installed. In addition, from the access status table 31, the "Kaguya Hime" CD currently in use
-Because there are two ROMs 5, it can be seen that the remaining three are accessible.

When it is found that the CD-ROM is accessible, the access control program 15 instructs the logical drive of the CD-ROM reading device 4 corresponding to this CD-ROM 5 to access the vacant CD-ROM 5. At step 46, the CD-ROM ID 311 and the access start time 312 of the CD-ROM 5 which has newly started access are added to the access state table 31.

When the access is completed, the charge management program 13 refers to the charge basic information 225 of the CD-ROM management information file 22 to check whether the viewed CD-ROM 5 is the charge object (step 47). ), If it is a billing target, billing calculation is performed from the access time obtained from the difference between the access end time and the access start time 312 of the access state table 31 and the billing basic information 225, and the user ID 212 or the user ID 212 is obtained. The usage fee is recorded in the billing management file 23 of the biller ID 231 that matches the belonging code included (step 48).

Next, "1" is added to the access count 242 of the utilization status management file 24, and the charge amount for this access is added to the total charge 243 (step 49).

The above processing from step 43 to step 49 is repeated until there are no more books on the CD-ROM 5 desired by the user (step 50).

When all the browsing is completed, the network connection is terminated (step 51) and the browsing process is terminated.

As described above, the CD-ROM library system is operated by the series of processing, and the system is adapted according to the user's access.

Note that this embodiment is an example assuming a library of a school or a municipality, but it may be used to browse a paper or research data at a university or a research institute.

In addition, such a national public institution has a CD-R
When the OMized book browsing service is provided to users free of charge, the charging basic information of all CD-ROMs should be set to "0" yen from the beginning of the introduction of the CD-ROM library system according to the present invention. .

Further, in this embodiment, the method using the CD-ROM in which the characters and the still image information are recorded is shown, but the CD (Compact Disc) in which the music and the moving image are recorded and the LD (Leaser Dielectric) are recorded.
By using sc) and connecting a display device, a speaker, and an input device instead of the browsing terminal device, it is possible to provide music and moving image services.

[0061]

As described above, according to the present invention,
A CD-ROM group including a plurality of CD-ROMs having the same title, a plurality of reading devices for reading recorded information of each CD-ROM of the CD-ROM group, a plurality of user terminals,
A first storage means storing management information indicating a title of each CD-ROM and a correspondence with a reading device attached, and a CD-ROM having a title designated by an access request from the user terminal are attached. A reading device which is read by the management information, causes the reading device to read the record information of the CD-ROM having the title designated by the user, and returns the read information to the user terminal of the access request source. Since it is composed of
Even after the introduction of the D-ROM library system, the CD
There is an effect that the scale of the CD-ROM library system can be freely set by changing the number of installed ROMs and the number of installed CD-ROM readers.

Further, the CD-ROM which is in the access state
And a CD-R having a title designated by the user based on the stored information in the second storage unit in response to an access request from the user.
Since a control means is provided for determining whether the OM is accessing or not, and allocating the access to another CD-ROM having the same title when the OM is being accessed, even if the access is concentrated on the CD-ROM having the specific title. The effect is that access processing can be performed efficiently and the waiting time of the user is reduced.

Further, since the third storage means for storing the CD-ROM usage status including the usage frequency of a plurality of CD-ROMs in a certain period is provided, each C in the certain period is stored.
CD-R such as frequency of use of D-ROM and usage time
The OM usage status can be centrally managed, and CD-R
There is an effect that it is easy to operate for the side operating the OM library system.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram of a CD-ROM library system that is an embodiment of the present invention.

FIG. 2 is a configuration diagram of a management file according to an embodiment.

FIG. 3 is a configuration diagram of a management table according to an embodiment.

FIG. 4 is a flowchart illustrating a procedure of a browsing process of a CD-ROM book according to the embodiment.

[Explanation of symbols]

1 ... Processing device (CPU), 2 ... Magnetic disk, 3 ... Input / output terminal device, 4 ... CD-ROM reading device, 5 ... CD
-ROM (optical disk), 6 ... Management center 7 ... Communication L
AN line, 8 ... browsing terminal device, 9 ... laboratory, 10 ... browsing room, 11 ... user management program, 12 ... CD-RO
M management program, 13 ... Billing management program, 14 ...
Utilization management program, 15 ... Access control program, 21 ... User management information file, 211 ... Identification information, 212 ... User ID, 213 ... Access prohibited CD-
ROM ID, 22 ... CD-ROM management information file,
221 ... CD-ROM title name, 222 ... CD-RO
M ID, 223 ... Number of installations, 224 ... Logical drive I
D, 225 ... Charging basic information, 23 ... Charging management file,
231 ... Charger ID, 232 ... Charge amount, 24 ... Usage status management file, 241 ... CD-ROM ID, 242 ...
Access count, 243 ... Total charge, 31 ... Access status table, 311 ... CD-ROM ID, 312 ... Access start time.

Claims (3)

[Claims] 1. A C including a plurality of CD-ROMs having the same title.
D-ROM group and each CD-ROM of this CD-ROM group
A plurality of reading devices for reading the recorded information, a plurality of user terminals, first storage means for storing management information indicating a correspondence relationship between the titles of the respective CD-ROMs and the reading devices mounted thereon; A reading device equipped with a CD-ROM having a title designated by an access request from a user terminal is extracted by the management information, and the recording information of the CD-ROM having a title designated by the user is read by the reading device. A CD-ROM library system, comprising: a processing unit for reading the read information and returning the read information to the user terminal of the access request source. 2. A second storage means for storing a CD-ROM in an access state in reading device units, and a user based on the storage information of the second storage means in response to an access request from the user. CD-ROM with the title specified from
2. The CD-R according to claim 1, further comprising control means for determining whether or not is being accessed, and when it is being accessed, assigning the access to another CD-ROM having the same title.
OM library system. 3. The CD-ROM library system according to claim 1, further comprising a third storage means for storing a CD-ROM usage status including a usage frequency of the plurality of CD-ROMs in a certain period. .