JP4554017B2 - Client computer, client computer control method, and computer-readable recording medium storing program - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a client computer connected to a server computer via a network and browsing a data file such as a multimedia document having a hyperlink structure stored in the server computer, a control method for the client computer, and a program. The present invention relates to a recorded computer-readable recording medium.
[0002]
[Prior art]
Recently, a plurality of server computers and a plurality of client computers are connected via a network, and multimedia data having a hypertext structure is stored in each server computer. In each client computer, such multimedia data is stored by browser software. Systems that can be browsed are widely used. As an example of such a system, for example, a system called WWW (world wide web) in the Internet can be cited.
[0003]
Currently, a document including multimedia data is generally described in a description language called, for example, HTML (hyper text markup language). According to HTML, it is possible to embed application programs such as text documents, still images, moving images, music data, and Java (registered trademark) applets, and to set a link structure from a document to a document.
[0004]
That is, a unique address called a URL (uniform resource locator) is assigned to such a document (hereinafter referred to as “HTML page”) and multimedia data. The user can access a desired HTML page or multimedia data by specifying a URL on the browser. In addition, links for accessing other pages and multimedia data are embedded in the HTML page, and the user points to the linked page or multimedia data by pointing the link on the browser. It is possible to move. In this way, hyperlinks are realized in the HTML page, and a file can be easily accessed from a file by simply following the link from one file to another.
[0005]
On the HTML page, the HTML title tag ( <title>) can be used to define the title text of the document, so the title can be extracted, and the outline of the content can be confirmed from the title without reading the entire file.
[0006]
Here, as browsers that are HTML document display software in client computers, for example, products such as Netscape Communicator (registered trademark) of Netscape Communications and Internet Explorer (registered trademark) of Microsoft are widely used.
[0007]
These browser software has a function of storing the URL of an HTML page by clicking a “bookmark” or “favorite” button when an HTML page in which the user is interested is displayed. This is a mechanism in which when accessing the same URL again, the URL list of “bookmark” or “favorite” is displayed and clicked with the mouse without re-inputting the URL address.
[0008]
Here, the “bookmark” or “favorite” function (hereinafter referred to as “bookmark function”) of the browser software will be described with reference to FIGS.
[0009]
For example, in the hypertext shown in FIG. 11, the user clicks “Liquid Crystal News (http: //news/991123.html)” from “http: // lcdnews /” with an information link about liquid crystal technology, ”news / 991123.html” was accessed. The user likes the contents of this article, clicks the bookmark registration button 101 (FIG. 10) of the browser, and records “http: //news/991123.html” in the bookmark file.
[0010]
Similarly, the user clicked “Nara Tourism (http: //topics/a.html)” from “http: // source /” to access “http: //topics/a.html”. The user likes the contents of this page and clicks the bookmark registration button 101 of the browser and records it in the bookmark file.
[0011]
Through the above operation, “http: //news/991123.html” and “http: //topics/a.html” are stored as the “favorite page” of the user, and the URL address is stored in the bookmark file.
[0012]
FIG. 8 is an explanatory diagram of the data structure of the bookmark file. As shown in FIG. 8, the bookmark file stores a URL address and a title as a set. FIG. 9 is a description example in which the bookmark file of FIG. 8 is expressed in HTML. FIG. 10 is a display example in which an HTML description example (FIG. 9) of the bookmark file of FIG. 8 is displayed on the HTML browser. That is, FIG. 10 is a display example of a conventional bookmark file.
[0013]
Here, the titles of FIGS. 8 and 10 are in the HTML file of the favorite page. <title> A character string surrounded by a </ title> tag (first line in FIG. 9) is extracted and used to represent the title of the HTML page.
[0014]
In the fourth line of FIG. 9, a hyperlink to “http: //news/991123.html” is “ <a href=http://news/991123.html> http: //news/991123.html </a> ”.
[0015]
As shown in FIGS. 8 and 9, the bookmark file table is an HTML file. The table of bookmark files is displayed in the HTML display area 103 by clicking the bookmark display button 102 in the browser, and can be accessed again simply by selecting and clicking a specific URL address on the screen.
[0016]
However, since the URL of the accessed URL is frequently recorded on a daily basis, the URL listed in the bookmark file increases daily. On the other hand, the URL recorded in the bookmark is likely to be deleted by the server administrator as the day passes. If the URL no longer exists, even if a list of bookmark files is displayed and the recorded URL address is clicked, the desired information cannot be accessed, and the destination is completely blocked by an access error. Become. For this reason, the bookmark file has a problem that the number of URLs that cannot be accessed increases with the passage of time, and the utility value gradually decreases.
[0017]
In response to this problem, published patent publication “Japanese Patent Laid-Open No. 11-39327 (published date: February 12, 1999)” discloses a link information automatic restoration method, such as indicating a directory higher in the URL. And devices have been proposed.
[0018]
If “http://www.omron.co.jp/CC/JPN/org.html” is not found due to movement, change, deletion, etc., this is the upper directory “http: // www .omron.co.jp / CC / JPN / ”,“ http://www.omron.co.jp/CC/ ”,“ http://www.omron.co.jp/ ”, etc. Is presented as
[0019]
[Problems to be solved by the invention]
However, in the conventional method, the upper layer of the same Web server as the link destination URL is only obtained as a related link. Therefore, the range of link information destination candidates that can be selected is very limited, and it is insufficient to access information related to the lost URL address.
[0020]
In particular, when the link destination URL recorded in the bookmark is not found, in order to find the URL related to the lost link destination URL, the URL of the link source when the bookmark is recorded when the URL is first accessed can be easily obtained. There was a request to access.
[0021]
The present invention has been made to solve the above-described problems, and its purpose is to provide a URL related to a link destination URL even when the link destination URL no longer exists in a hypertext system such as the WWW. Is provided with a client computer, a client computer control method, and a computer-readable recording medium in which a program is recorded.
[0022]
[Means for Solving the Problems]
In order to solve the above problems, a client computer according to the present invention is a data file connected to a server computer via a network and having a hyperlink structure stored in the server computer. To access the data file The display On the client computer The address information of the data file stored in the server computer can be recorded A link storage unit; Stored in the server computer A link management unit that records the data file address information and the link source address information of the data file, which is the link source of the data file, in the link storage unit; Recorded in the link storage unit When the data file corresponding to the address information cannot be accessed, it corresponds to the link source address information recorded in the link storage unit in combination with the address information. , the above Stored in the server computer Access data files Process It is characterized by that.
[0023]
In order to solve the above problems, the client computer control method of the present invention is a data file connected to a server computer via a network and having a hyperlink structure stored in the server computer. To access the data file The display In the client computer control method, the client computer The address information of the data file stored in the server computer can be recorded A link storage unit, Stored in the server computer Including a link storage process for recording the address information of the data file and the link source address information of the data file, which is the link source of the data file, in the link storage unit, Recorded in the link storage unit When the data file corresponding to the address information cannot be accessed, it corresponds to the link source address information recorded in the link storage unit in combination with the address information. Stored in the server computer It includes a process for accessing a data file.
[0024]
Further, in order to solve the above problems, a computer-readable recording medium on which the program of the present invention is recorded is connected to a server computer via a network and has data having a hyperlink structure stored in the server computer. File To access the data file The display In a computer-readable recording medium on which a program of a client computer is recorded, the client computer The address information of the data file stored in the server computer can be recorded A link storage unit, Stored in the server computer A link storage process for recording the address information of the data file and the link source address information of the data file, which is the link source of the data file, in the link storage unit; Recorded in the link storage unit When the data file corresponding to the address information cannot be accessed, it corresponds to the link source address information recorded in the link storage unit in combination with the address information. Stored in the server computer A program for causing a client computer to execute processing for accessing a data file is recorded.
[0025]
With the above configuration, the address information of the data file and the link source address information of the data file that is the link source of the data file can be registered in one bookmark. That is, the link source address information of the link source data file can be registered together with the address information of the link destination data file in the bookmark for accessing the link destination data file.
[0026]
Therefore, by using the bookmark, it is possible to access the link source data file in addition to the original link destination data file. That is, it is possible to access the link source data file from the bookmark to the link destination data file.
[0027]
Therefore, in a hypertext system such as the WWW, even when the link destination data file cannot be accessed due to movement, change, deletion, etc. of the link destination data file or a communication line failure, the link source data is obtained from the link source address information of the bookmark. Since it is possible to return to the file and search for a new data file, it becomes possible to access the data file having the contents related to the link destination data file.
[0028]
Further, the client computer stores the address information of the data file and the link source address information of the data file that is the link source of the data file as a set by the link storage unit, and the data file cannot be accessed. In this case, it is possible to access the data file corresponding to the link source address information recorded in the link storage unit in combination with the address information.
[0029]
DETAILED DESCRIPTION OF THE INVENTION
One embodiment of the present invention will be described below with reference to FIGS.
[0030]
The information source recording apparatus according to the present embodiment is applied to a hypertext system such as the World Wide Web, and additionally to a browser provided in a client computer connected to a server computer via a network. Provided. Specifically, the information source recording apparatus stores the URL address visited in the past in the bookmark together with the link source URL address. When the URL is presented, the link source URL is also presented at the same time so that it can be easily accessed again. Therefore, even when the visited URL does not exist, the link source URL can be easily accessed and no longer exists. The URL related to the URL can be searched.
[0031]
FIG. 2 is a block diagram showing an outline of the configuration of the client computer. As shown in FIG. 2, the client computer includes a central processing unit (CPU) 12, a memory 13 composed of a random access memory (RAM), a non-volatile memory 14 composed of a hard disk and a flash memory, an external network, A network I / O (input / output) circuit 15 serving as an interface, an input device 16 composed of a keyboard, a mouse, and the like, and a display device 17, which are connected by a bus 18. The client computer having such a configuration can be configured by a computer generally called a personal computer.
[0032]
The client computer includes a browser (information browser) that is software capable of displaying HTML pages and various multimedia data. The user can browse a desired HTML page and various multimedia data by operating a browser on the client computer.
[0033]
The client computer according to the present embodiment records the URL address visited in the past together with the link source URL address in the bookmark file, and reads the URL address or the link source URL address from the bookmark file and instructs the browser when visiting again. An information source recording device is provided.
[0034]
FIG. 1 is a functional block diagram showing an outline of the configuration of the information source recording apparatus. The information source recording device is realized by the information source recording processing unit 5 which is software that operates on the hardware (FIG. 2) of the client computer.
[0035]
The information source recording processing unit 5 stores each program for realizing each component in the memory 13 and is controlled entirely by the CPU 12. Specifically, the information source recording processing unit 5 includes a link management unit (link information presentation unit) 1, a network access unit 2, a link storage unit (link storage unit) 3, and a display unit 4.
[0036]
The network access unit 2 is realized by the CPU 12 controlling the network I / O circuit 15.
[0037]
The link management unit 1 records a bookmark (URL address, title, link source URL address) of a file accessed via the network access unit 2 in the link storage unit 3 and links the bookmark file 3a according to a user instruction. The data is read from the storage unit 3 and displayed on the display unit 4. At this time, the bookmark file 3a is input to the display unit 4 in the HTML format so that the corresponding file can be accessed from the URL address and the link source URL address by inputting instructions such as clicking on the browser.
[0038]
The link storage unit 3 is configured in the nonvolatile memory 14, and stores a bookmark including the URL address, title, and link source URL address of the accessed file in the bookmark file 3a under the control of the link management unit 1.
[0039]
The display unit 4 is, for example, an HTML browser, and displays the HTML file accessed from the network access unit 2 and the bookmark file 3 a on the display device 17 under the control of the CPU 12.
[0040]
Next, the operation of the link management unit 1 will be described with reference to FIGS. First, the operation of recording a bookmark will be described using the flowchart of FIG.
[0041]
Here, storage areas for the character string variables URL 1 and URL 2 and the character string variable TITLE are secured on the memory 13. The character string variable URL1 stores the URL address of the file currently displayed on the browser on the display device 17. The character string variable URL2 stores the URL address of the link source of the currently displayed file. The character string variable TITLE stores the title of the currently displayed file. Further, the temporary variable URLi + 1 holds the URL address currently being displayed. The temporary variable URLi holds the previous display URL address.
[0042]
Step S1 is a state (standby state) in which the user is browsing the contents of a URL being displayed in the HTML display area 23 (FIG. 7) of the browser of the display device 17.
[0043]
In step S2, an input operation such as a mouse click is detected from the input device 16 (FIG. 2), and if there is an instruction to move to the next link (such as clicking on the temporary variable URLi + 1), the process proceeds to step S3.
[0044]
In step S3, temporary variable URLi + 1 is stored in character string variable URL1, and temporary variable URLi is stored in character string variable URL2.
[0045]
In step S4, the content of the HTML file of the temporary variable URLi + 1 is read from the Web server at the end of the network by the network access unit 2. Then, the read HTML file is analyzed and “ If there is a sentence enclosed by “<TITLE>” tags, it is stored in the character string variable TITLE in the memory 13.
[0046]
In step S5, the contents of the file corresponding to the temporary variable URLi + 1 are displayed in the HTML display area 23 (FIG. 7) of the browser of the display device 17.
[0047]
In step S6, if the bookmark registration button 21 (FIG. 7) is clicked, the contents currently stored in the character string variables URL1, TITLE, URL2 (link source URL address) are registered in the bookmark. Specifically, the bookmark file 3a (FIG. 1) “bookmark.html” is read, the contents stored in the character string variables URL1, TITLE, and URL2 are added and written, and the bookmark file 3a is updated.
[0048]
In step S7, the temporary variable URLi + 1 is assigned to the temporary variable URLi, and then the process returns to step S1.
[0049]
In step S3, when a URL is directly input to the URL address input unit 24 (FIG. 7) of the browser or a URL is selected from a bookmark file, the character string variable URL2 is cleared.
[0050]
Through the above procedure, a bookmark in which a link destination URL, a title, and a link source URL are registered as a set can be recorded in the bookmark file.
[0051]
Next, an operation for displaying a bookmark will be described using the flowchart of FIG.
[0052]
In step S11, when an input operation such as a mouse click is detected from the input device 16 (FIG. 2) and the bookmark display button 22 (FIG. 7) is clicked, the process proceeds to step S12.
[0053]
In step S12, “bookmark.html” which is the bookmark file 3a (FIG. 1) is read, and an HTML display area 23 (FIG. 5) is displayed in the form of a bookmark list including character string variables URL1, TITLE, URL2 (link source URL address). 7).
[0054]
The bookmark file 3a may be stored in the link storage unit 3 in the HTML format, or stored in the link storage unit 3 in another format and displayed on the display unit 4 by the link management unit 1. You may convert into HTML format. Further, in the present embodiment, the bookmark file 3a is described in the HTML format and displayed in the HTML display area 23 (FIG. 7), but the link destination URL and the link source URL can be accessed according to the bookmark selected by the user. If so, the file format used for display can be arbitrarily selected.
[0055]
Next, the bookmark file will be described in detail with reference to FIGS.
[0056]
Here, consider a case where a hyperlink as shown in FIG. 11 is accessed. The user first accesses “http: // lcdnews /”, accesses “http: //news/991123.html” (“LCD News”) linked to “LCD News”, and bookmarks it. Suppose you register. In addition, the user accesses “http: // source /” and accesses “http: //topics/a.html” (“Recommendation for Nara Tourism”) linked to “Nara Tourism”. Is registered in the bookmark.
[0057]
In this embodiment, since the link source URL is also stored at the time of bookmark registration, the bookmark file 3a is recorded with a data structure as shown in FIG. FIG. 6 is a description example in the HTML format of the bookmark file in the above example. FIG. 7 is a display example in which the HTML file of FIG. 6 is displayed on an HTML browser. FIG. 7 shows a display example in a state in which the bookmark file 3a is displayed by pressing the bookmark display button 22.
[0058]
As shown in FIG. 6, the bookmark file is, for example, an HTML text file (“bookmark.html”), and is stored in the nonvolatile memory 14 (FIG. 2). And to display in tabular format, <table> ”,“ <tr> ”,“ HTML tags such as <td> ”are used.
[0059]
As a result, as shown in FIG. 7, the bookmark can be displayed on the browser in a table format in which the user can click the URL address and the link source URL address.
[0060]
That is, in FIG. 7, there is a hyperlink to “http: //news/991123.html” where the bookmark is registered, and “http: //news/991123.html” is displayed just by clicking this. The Also, “http: // lcdnews /” which is the link source URL address of this page is displayed with a hyperlink, and “http: // lcdnews /” is displayed simply by clicking on it.
[0061]
Therefore, even if “http: //news/991123.html” does not exist after the bookmark registration time has passed, the link source URL address (“http: // lcdnews /”) displayed in a set is displayed. If the URL is accessed by clicking, the link source information can be displayed on the HTML browser. As a result, even when “http: //news/991123.html” does not exist, “http://www.sharp.co.com” is information similar to “http: //news/991123.html”. jp / ”,“ http: //news/1.html ”,“ http: //news/2.html ”, etc. can be easily found.
[0062]
The same applies to “http: //topics/a.html” in which bookmarks are registered. Since the link source URL address “http: // source” stored as a set can be easily accessed, “http: / Even if “/topics/a.html” no longer exists, similar information such as “http: //nara/daibutu.html” can be easily accessed.
[0063]
In this way, even if you cannot access the desired page (“http: //news/991123.html” or “http: //topics/a.html”), the related information page (LCD-related companies) , “Http: // lcdnews /” that collects URL addresses of pages that handle news, etc., and “http: // source” that collects URL addresses of Nara tourism related pages) You can easily follow links to Therefore, the link source URL address is a useful link for the user, and the bookmark according to the present embodiment is more convenient than the conventional bookmark.
[0064]
As described above, the information source recording apparatus according to the present embodiment can easily return to the link source URL by recording the bookmark by combining the link destination URL and the link source URL. is there.
[0065]
As a result, even if the link destination URL recorded in the bookmark cannot be found, the link source URL can be easily accessed, so that the URL of the same category as the lost link destination URL or a similar category can be easily found. . That is, since the URL address that has attracted interest can be easily accessed from the page that was originally linked (link source URL address), information related to the lost URL address can be easily acquired.
[0066]
For example, as shown in FIG. 7, in the state where the bookmark file 3a is displayed in the HTML display area 23 of the browser, “http: //news/991123.html” (“LCD News”) is accessed and no longer exists. If so, the URL “http: // lcdnews /” that is the link source can be immediately accessed to easily access the URL of the related content.
[0067]
Here, for example, even in WWW sites that are famous for directory services such as “http://www.yahoo.co.jp/” and “http://www.yahoo.com/”, there are similar URL addresses for each category. Many linked to the same page. In this regard, according to the US Clever project “Use hyperlinks wisely” (Nikkei Science, September 1999, pp28-35), in the world of hyperlink structure on the Internet, many links related to one page are created. Often this is called a hub. And it is explained as a sociological phenomenon that "human beings are born to create something like a hub that expresses their expertise on a topic".
[0068]
Therefore, if the so-called hub URL is recorded as the link source URL of the bookmark using the information source recording apparatus according to the present embodiment, even if the link destination URL cannot be accessed, the link source URL is changed to many related URLs. It is more effective because it can be easily accessed.
[0069]
In addition, this Embodiment does not limit the scope of the present invention, and various modifications can be made within the scope of the present invention.
[0070]
For example, although HTML has been described as an example in the present embodiment, any language that can describe a hyperlink may be used, and the description language is not limited to HTML. In addition, when the link destination URL cannot be accessed, the access to the link source URL may be performed in response to a user instruction, or may be performed automatically without waiting for the user instruction. A plurality of bookmark link source URL addresses may be recorded, a URL address not directly linked to the link destination URL may be recorded, or a so-called hub URL address may be preferentially recorded. Good.
[0071]
An information source recording apparatus according to the present invention is provided in a system for browsing a file (file object) having a hyperlink structure on a server computer with a client computer, and sets the file address and the link source address of the file as a set. Means for displaying a list of files and allowing the user to select and access the file; and means for displaying the link source address and allowing the user to select and enable access to the file at the link source address. The structure which has may be sufficient.
[0072]
The information source recording apparatus includes means for storing a link source URL address as a set and storing the link source URL address as a bookmarked URL address when storing the currently displayed URL address in a bookmark file. And a means for displaying the file and a means for accessing the file of the link source URL address by selection from the user.
[0073]
The information source recording apparatus includes a means for storing the URL address currently accessed by the user and displayed on the display screen of the computer and the link source URL address, and a button for accepting a recording instruction from the user. A means for displaying, a means for storing a URL address and a link source URL as a set when the button is clicked, a means for presenting a list of a plurality of recorded URL addresses, and a link source URL in association with the recorded URL addresses And a means for receiving the user's selection input and displaying the link source URL.
[0074]
The information source recording method according to the present invention is a method used in a system in which a client computer browses a file having a hyperlink structure on a server computer, and combines the file address and the link source address of the file. Display the list of files, display a list of files, let the user select and access the file, display the link source address, let the user select, and enable access to the file at the link source address Processing may be included.
[0075]
A computer-readable recording medium in which an information source recording program according to the present invention is recorded is provided in a system for browsing a file having a hyperlink structure on a server computer by a client computer, and the file address and the link source of the file A means for storing addresses in pairs; a means for displaying a list of files and allowing the user to select and accessing the file; and a means for displaying the link source address and allowing the user to select and access the file at the link source address The information source recording program for making a computer implement | achieve the means to make may be recorded.
[0076]
This makes it easy to access the page (link source address) to which the URL address that attracted interest was originally linked, so that information related to the lost URL address can be easily accessed.
[0077]
An information source recording apparatus according to the present invention is an information source recording apparatus used when browsing a data file having a hyperlink structure on a server computer connected by a network on a client computer. A link storage means for storing a link source address information of a data file which is a file link source as a set is provided.
[0078]
The information source recording method of the present invention is an information source recording method for browsing a data file having a hyperlink structure on a server computer connected by a network on a client computer. A link storage process for storing the link source address information of the data file that is the link source of the file as a set is included.
[0079]
In order to solve the above problems, a computer-readable recording medium on which the information source recording program of the present invention is recorded has a data file having a hyperlink structure on a server computer connected by a network on a client computer. In a computer-readable recording medium on which an information source recording program used for browsing is recorded, a link for storing data file address information and link source address information of a data file that is a link source of the data file as a set An information source recording program for causing the computer to realize the storage means is recorded.
[0080]
With the above configuration, the address information of the data file and the link source address information of the data file that is the link source of the data file can be registered in one bookmark. That is, the link source address information of the link source data file can be registered together with the address information of the link destination data file in the bookmark for accessing the link destination data file.
[0081]
Therefore, by using the bookmark, it is possible to access the link source data file in addition to the original link destination data file. That is, it is possible to access the link source data file from the bookmark to the link destination data file.
[0082]
Therefore, in a hypertext system such as the WWW, even when the link destination data file cannot be accessed due to movement, change, deletion, etc. of the link destination data file or a communication line failure, the link source data is obtained from the link source address information of the bookmark. Since it is possible to return to the file and search for a new data file, it becomes possible to access the data file having the contents related to the link destination data file.
[0083]
Furthermore, the information source recording apparatus of the present invention is characterized by comprising link information presenting means for presenting the link source address information when the data file corresponding to the address information cannot be accessed.
[0084]
According to the above configuration, the information source recording device further stores the address information of the data file and the link source address information of the data file that is the link source of the data file as a set by the link storage unit, When the data file cannot be accessed, the link source address information can be presented by the link information presentation means.
[0085]
Therefore, the user who has received the link source address information can input an instruction as to whether or not to access the link source data file. Further, the link source data file can be automatically accessed by directly inputting the link source address information to the browser.
[0086]
Finally, an object of the present invention is to provide a recording medium on which a program code (execution format program, intermediate code program, source program) of an information source recording program, which is software that realizes the functions described above, is recorded so as to be readable by a computer. This can also be achieved by supplying to a system or apparatus and reading and executing the program code recorded on the recording medium by the computer (or CPU or MPU) of the system or apparatus. In this case, the program code itself read from the recording medium realizes the above-described function, and the recording medium recording the program code constitutes the present invention.
[0087]
The recording medium for supplying the program code can be configured to be separable from the system or apparatus. The recording medium may be a medium that is fixedly supported so that the program code can be supplied. Even if the recording medium is attached to the system or apparatus so that the recorded program code can be directly read by the computer, the recording medium can be connected via the program reading apparatus connected to the system or apparatus as an external storage device. It may be mounted so that it can be read.
[0088]
For example, the recording media include tape systems such as magnetic tapes and cassette tapes, disk systems including magnetic disks such as floppy disks / hard disks and optical disks such as CD-ROM / MO / MD / DVD / CD-R, and IC cards. A card system such as an optical card (including a memory card) or a semiconductor memory system such as a mask ROM / EPROM / EEPROM / flash ROM can be used.
[0089]
The program code may be recorded so that the computer can read out from the recording medium and directly execute it, or after being transferred from the recording medium to the program storage area of the main memory, the computer can read out from the main memory and execute it. It may be recorded as follows.
[0090]
Further, the recording medium may be a medium that is fluidly supported so that the program code can be supplied via a communication network or the like. In this case, the system or apparatus can be connected to a communication network (including the Internet) and can be supplied by downloading the program code from the communication network.
[0091]
The program for reading the program code from the recording medium and storing it in the main memory, and the program for downloading the program code from the communication network are stored in advance in a system or apparatus so as to be executable by a computer. To do.
[0092]
The functions described above are not only realized by executing the program code read out by the computer, but based on an instruction of the program code, an OS or the like operating on the computer partially or entirely in actual processing. It is also realized by performing.
[0093]
Furthermore, the function described above is obtained by writing the program code read from the recording medium into a memory provided in a function expansion board attached to the computer or a function expansion unit connected to the computer, and then the program code. Based on the instruction, the CPU or the like provided in the function expansion board or function expansion unit also implements part or all of the actual processing.
[0094]
【The invention's effect】
As described above, the client computer of the present invention The address information of the data file stored in the server computer can be recorded. A link storage unit; Stored in the server computer A link management unit that records the data file address information and the link source address information of the data file, which is the link source of the data file, in the link storage unit; Recorded in the link storage unit When the data file corresponding to the address information cannot be accessed, it corresponds to the link source address information recorded in the link storage unit in combination with the address information. , the above Stored in the server computer Access data files Process It is a configuration.
[0095]
In addition, as described above, the client computer control method of the present invention can Can record address information of data files stored in server computer A link storage unit, Stored in the server computer Including a link storage process for recording the address information of the data file and the link source address information of the data file, which is the link source of the data file, in the link storage unit, Recorded in the link storage unit When the data file corresponding to the address information cannot be accessed, it corresponds to the link source address information recorded in the link storage unit in combination with the address information. Stored in the server computer A method includes a process of accessing a data file.
[0096]
In addition, as described above, the computer-readable recording medium recording the program of the present invention is the above-described client computer. Can record address information of data files stored in server computer A link storage unit, Stored in the server computer A link storage process for recording the address information of the data file and the link source address information of the data file, which is the link source of the data file, in the link storage unit; Recorded in the link storage unit When the data file corresponding to the address information cannot be accessed, it corresponds to the link source address information recorded in the link storage unit in combination with the address information. Stored in the server computer In this configuration, a program for causing a client computer to execute processing for accessing a data file is recorded.
[0097]
Therefore, the address information of the data file and the link source address information of the data file that is the link source of the data file can be registered in one bookmark. That is, the link source address information of the link source data file can be registered together with the address information of the link destination data file in the bookmark for accessing the link destination data file.
[0098]
Therefore, by using the bookmark, it is possible to access the link source data file in addition to the original link destination data file. That is, it is possible to access the link source data file from the bookmark to the link destination data file.
[0099]
Accordingly, in a hypertext system such as the WWW, even if the link destination data file cannot be accessed due to movement, change, deletion, etc. of the link destination data file or a communication line failure, the link source data is obtained from the link source address information of the bookmark. Since a new data file can be searched by returning to the file, it is possible to access the data file having the contents related to the link destination data file.
[0100]
Further, when the data file cannot be accessed, the data file corresponding to the link source address information recorded in the link storage unit in combination with the address information can be accessed.
[Brief description of the drawings]
FIG. 1 is a functional block diagram showing an outline of a configuration of an information source recording apparatus according to an embodiment of the present invention.
FIG. 2 is a block diagram showing an outline of a physical configuration of a client computer including the information source recording apparatus shown in FIG.
FIG. 3 is a flowchart showing an outline of a bookmark recording operation of the information source recording apparatus shown in FIG. 1;
4 is a flowchart showing an outline of a bookmark display operation of the information source recording apparatus shown in FIG.
FIG. 5 is an explanatory diagram showing a data structure of a bookmark file processed by the information source recording apparatus shown in FIG. 1;
6 is a description example in HTML of a bookmark file processed by the information source recording apparatus shown in FIG.
7 is an explanatory diagram showing a state in which a bookmark file to be processed by the information source recording apparatus shown in FIG. 1 is displayed on a browser. FIG.
FIG. 8 is an explanatory diagram showing a data structure of a conventional bookmark file.
FIG. 9 is an example of HTML description of a conventional bookmark file.
FIG. 10 is an explanatory diagram showing a state in which a conventional bookmark file is displayed on a browser.
FIG. 11 is an explanatory diagram showing an example of hypertext and its link relationship;
[Explanation of symbols]
1 link management section (link information presentation means)
3 Link storage unit (link storage means)
S6 Link storage process

Claims (3)

In a client computer connected to a server computer via a network and accessing a data file having a hyperlink structure stored in the server computer and displaying the data file ,
A link storage unit capable of recording address information of a data file stored in the server computer ;
A link management unit that records the address information of the data file stored in the server computer and the link source address information of the data file that is the link source of the data file as a set, and records it in the link storage unit;
When the data file corresponding to the address information recorded in the link storage unit cannot be accessed, corresponding to the link source address information recorded in combination with the address information in the link storage unit , A client computer for performing a process of accessing a data file stored in the server computer. In a method for controlling a client computer connected to a server computer via a network , accessing a data file having a hyperlink structure stored in the server computer and displaying the data file ,
The client computer includes a link storage unit capable of recording address information of a data file stored in the server computer ,
Including a link storage process for recording the address information of the data file stored in the server computer and the link source address information of the data file that is the link source of the data file to record in the link storage unit;
When the data file corresponding to the address information recorded in the link storage unit cannot be accessed, corresponding to the link source address information recorded in combination with the address information in the link storage unit , A method for controlling a client computer, comprising a process of accessing a data file stored in the server computer . In a computer-readable recording medium that is connected to a server computer via a network and records a program of a client computer that accesses a data file having a hyperlink structure stored in the server computer and displays the data file ,
The client computer includes a link storage unit capable of recording address information of a data file stored in the server computer ,
A link storage process that records the address information of the data file stored in the server computer and the link source address information of the data file that is the link source of the data file as a set in the link storage unit;
When the data file corresponding to the address information recorded in the link storage unit cannot be accessed, corresponding to the link source address information recorded in combination with the address information in the link storage unit , A computer-readable recording medium storing a program for causing a client computer to execute processing for accessing a data file stored in the server computer .

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