WO2002033554A1 - Procede et dispositif d'acquisition de contenu - Google Patents

Procede et dispositif d'acquisition de contenu Download PDF

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Publication number
WO2002033554A1
WO2002033554A1 PCT/JP2001/008956 JP0108956W WO0233554A1 WO 2002033554 A1 WO2002033554 A1 WO 2002033554A1 JP 0108956 W JP0108956 W JP 0108956W WO 0233554 A1 WO0233554 A1 WO 0233554A1
Authority
WO
WIPO (PCT)
Prior art keywords
file
content
network
location
unit
Prior art date
Application number
PCT/JP2001/008956
Other languages
English (en)
Japanese (ja)
Inventor
Wataru Shimizu
Original Assignee
Jes Co.,Ltd.
Makino, Katsunori
Makino, Kentaro
Yamamoto, Shin
Inagaki, Toshiaki
Suzuki, Takamichi
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jes Co.,Ltd., Makino, Katsunori, Makino, Kentaro, Yamamoto, Shin, Inagaki, Toshiaki, Suzuki, Takamichi filed Critical Jes Co.,Ltd.
Priority to AU2001294232A priority Critical patent/AU2001294232A1/en
Publication of WO2002033554A1 publication Critical patent/WO2002033554A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/95—Retrieval from the web
    • G06F16/957—Browsing optimisation, e.g. caching or content distillation
    • G06F16/9574—Browsing optimisation, e.g. caching or content distillation of access to content, e.g. by caching

Definitions

  • the present invention relates to a content acquisition method and a content acquisition device.
  • the present invention particularly relates to a technology for obtaining web content.
  • an object of the present invention is to provide an efficient content acquisition technology.
  • One embodiment of the present invention relates to a content acquisition device.
  • the present apparatus provides a virtual proxy unit having a virtual proxy function at a non-network location, and the virtual proxy unit is configured to select a virtual proxy unit from any of a non-network location and a via location based on a predetermined criterion.
  • Judge whether to acquire the content acquire the content based on the judgment result, send the acquired content to the web browser, and use these procedures to send the content to the web browser from either the non-network location or the free location. To relay.
  • the “proxy” is a server function provided between the user terminal that can access the Internet and the WWW site, and serves as a proxy (proxy) for the user terminal. It has the function of accessing and sending and receiving data overnight.
  • the “proxy” is connected to the user terminal via a network, but is usually used.
  • a “virtual proxy” is a virtual “proxy” installed at a position that does not pass through the network when viewed from the user terminal. In other words, it can be said to be a “proxy” installed on a virtual network.
  • the virtual proxy may have a cache function of storing data files that have been initially installed, data files that have been downloaded once, or have the function of reducing the load on the network with the WWW site. You may do it.
  • the “network” here may include both LAN and WAN (Internet).
  • the “network non-passing position” indicates, for example, inside a user terminal or inside a device directly connected to a user terminal.
  • the virtual proxy may be installed as hardware in a “network non-dependent location” or may be installed as software. When installed as software, it may be run as a web browser plug-in or as a standalone application.
  • the “net-free location” indicates, for example, inside a server on the Internet.
  • “Content” includes, for example, image data, video data, audio data, text data, ⁇ Includes RAM module data.
  • the virtual proxy unit may receive the layout information of the content displayed on the browser from a server provided at a location via the network, and transmit the information to the browser together with necessary content.
  • the virtual proxy unit may update the content stored at the non-network location based on an instruction received from a server provided at the network location.
  • a content acquisition method In this method, a virtual proxy function is provided at a non-network location, a content is determined from a non-network location or a via location based on a predetermined determination criterion, and the determination is made.
  • the content is acquired based on the result, and the acquired content is sent to the web browser, and the content is relayed to the web browser from either the network non-access position or the access position by these procedures.
  • Yet another embodiment of the present invention relates to a content acquisition device.
  • This device uses an instruction receiving unit that receives a file path indicating the storage location of a display file that constitutes the content to be displayed on the screen from a web browser, and a plurality of local files that are supposed to be used as display files.
  • a file storage unit that is held in advance at a network-unrestricted position, and whether to acquire a display file indicated by a file path from a position via a network or from a non-network-based position, based on a predetermined determination criterion.
  • a file determining unit that obtains a display file by a route based on the determination result and sends the display file to a web browser.
  • a “display file” is a text file created in a description language such as HTML (Hyper Text Markup Language) or XML (extensible Markup Language), and a still image file or video file with a link described in the text file. It may be a file that constitutes web content such as a file or an audio file. It may be a text file describing a program for displaying an object on a web browser screen.
  • the “file path” may be represented by a URL (Uniform Resource Locator) for a file held by a server on the Internet.
  • “Web browser” may be general-purpose browser software that is widely used in general.
  • “Local file” is assumed to be used as a display file, In principle, it consists of the same files as the files held by the server, but when the files on the server are updated, the local files are relatively old until they are updated. If the oral file is held as a local file and the oral file is the latest, it may be determined that the oral file should be acquired. In other cases, it may be determined that it is obtained from a server on the Internet.
  • a method of displaying a local file by describing the path of the local file as a link in the HTML file in advance may be considered.
  • web browsers do not display linked local files due to security features.
  • the method of using a virtual proxy to display oral files on a web browser is simple and useful.
  • Still another preferred embodiment according to the present invention relates to a computer program.
  • This program has a function of receiving a file path indicating the storage location of a display file that constitutes the content to be displayed on the screen from a web browser, and a network of multiple oral files that are supposed to be used as display files.
  • the function of obtaining the display file along the route based on the result of the judgment and sending it to the web browser.
  • FIG. 1 is a functional block diagram showing a configuration of a network system according to the first embodiment.
  • FIG. 1 is a functional block diagram showing a configuration of a network system according to the first embodiment.
  • FIG. 2 is a functional block diagram showing a configuration of a network system according to the second embodiment.
  • FIG. 3 is a diagram exemplifying web content displayed on a web browser screen in a learning system as a content providing service.
  • FIG. 4 is a diagram exemplifying the content of a learning status report displayed on a screen of a web browser in a learning system as a content providing service.
  • FIG. 5 is a flowchart showing the operation of the virtual proxy when acquiring content.
  • the content acquisition device in the present embodiment is a user terminal in which a virtual proxy is built in or directly connected. This terminal is connected to the network via the virtual proxy. This reduces stress when acquiring large-capacity content via a network. Also, since the content provider can reduce the amount of transmitted content, it is possible to efficiently provide a large amount of information to the user.
  • a method of providing the information all at once was adopted.
  • forcing a user to take a long downtime is nothing less than forcing the user into stress.
  • the communication speed of the Internet connection is generally 33 to 64 kbps, and many users are still browsing the Internet over low-speed lines. Mass downloads are painful.
  • the new information cannot be maintained unless the provided content is replaced in some way.
  • media distribution A method is considered in which the contents are distributed in a formula or pre-installed form, and only auxiliary contents are obtained via a network.
  • web browser standard Internet browsing software
  • a virtual proxy is set at a position not via the network, and the virtual proxy selects which of the main content in the user terminal and the auxiliary content on the network should be acquired. Then, the content acquired by the appropriate selection by the virtual proxy is displayed on the web browser. Since the user does not seem to be conscious of acquiring content from a location that does not pass through the network, the user actually connects to the virtual in-home network as if he were connected to the Internet. .
  • the virtual proxy may be software running on a user terminal.
  • This software may be so-called server software, or it may be a software like a gravebook.
  • This software may be distributed via the Internet.
  • this software may be distributed in a form pre-installed on user terminals and sold together with the terminals.
  • the virtual proxy may be software that adds to a web browser.
  • a program module may be incorporated in the web browser in the form of a so-called plug-in.
  • these add-in programs and plug-in programs may be used as auxiliary programs for a single application.
  • virtual proxies may be provided with dedicated hardware.
  • it may be in the form of a peripheral device that directly connects to a user terminal without going through a network.
  • Examples of the connection method include a serial connection, a wireless connection, and a USB connection.
  • the virtual proxy as a peripheral device has a network port, which acts as a proxy network port for the user terminal.
  • any of the virtual proxies described in the first to third embodiments is provided at a position that does not pass through the network when viewed from the user terminal.
  • the web browser accesses the virtual proxy by entering the IP address of the virtual proxy and, if necessary, the port number of the virtual proxy in the proxy setting field of the web browser. Then, the user enters a network such as an Internet network from a network port used by the virtual proxy, and can access an external server or the like on the network.
  • the IP address entered in the proxy setting field may be the IP address of the user terminal itself. In this case, the virtual proxy may be specified by specifying the port number.
  • the virtual proxy has a proxy server function for the user terminal or browser. For example, if the virtual proxy has a firewall function, the web browser is protected from external access.
  • the virtual proxy has a cache function
  • data obtained from the network via this virtual proxy can be cached.
  • the virtual proxy in the present embodiment may be designed and operated exclusively for a specific user terminal, and is different from a general proxy in that point.
  • the virtual proxy determines, based on a predetermined criterion, whether to acquire the content from a non-network location or a via location. Examples of criteria are as follows.
  • an expiration date may be set for each file included in the content, and a file that has expired may be overwritten with a new file.
  • New files are obtained by accessing the network. For example, information on the update date and time is written for each file included in the content, and the update date and time of the content held in the user terminal is compared with the update date and time of the content of the external server. If the date and time are the same, a file that is not within the user terminal may be obtained, and if the update date of the file on the server is new, the file may be obtained via the network.
  • the determination may be made based on whether or not the service-oriented URL is specified on a web browser. That is, the virtual proxy functions only when the service-oriented URL is specified, and the virtual proxy does not function when the other URL is specified, and may work transparently.
  • HTML data As layout information from the server and acquire data such as an image to be embedded in the page from the user terminal.
  • the server may include an instruction to acquire the content from the user terminal in the HTML data.
  • HTML data to be used as the layout information was acquired from the user terminal, and some of the data to be embedded in this page was not stored in the user terminal. You may sometimes decide to get it from the network.
  • virtual Intanedzu bets By providing a virtual proxy to the network a non-through position, c user functions of the user terminal with the virtual proxy function is formed virtual Intanedzu bets together is the virtual Internet and reality It can be used properly without being aware of the Internet.
  • Update of contents and programs can be realized without making the user aware. Then, the data obtained from the network is stored in the user terminal, so that the missing data is naturally supplemented.
  • the first embodiment is a general idea of the content acquisition device, it is more concretely expressed and expressed as a combination of a plurality of configurations and functional blocks. This corresponds to the embodiment.
  • FIG. 2 is a functional block diagram showing the configuration of the network system.
  • the user terminal 12 is connected to the content server 14 via the internet 16.
  • the content server 14 is a server that provides web content to the user terminal 12 and functions as an ASP (Application Service Provider).
  • the user terminal 12 may be a personal computer.
  • the content server; I4 includes a display file storage unit 20, a file processing unit 22, and a communication unit 24.
  • the display file storage unit 20 holds a plurality of display files as web contents.
  • the web content in the present embodiment is a content used in a learning system that provides classes and tests to the user terminals 12 via the Internet.
  • the display file storage unit 20 holds an update program for updating a computer program for realizing the operation of the virtual proxy unit 31 described later.
  • the file processing unit 22 selects a display file to be transmitted to the user terminal 12 from the display file storage unit 20 in response to a request received from the user terminal 12.
  • the communication unit 24 processes communication with the user terminal 12 via the Internet.
  • the communication unit 24 may have a server function-all function.
  • the user terminal 12 includes a web browser 30, a virtual proxy section 31, a communication section 34, and a file storage section 52. Each unit transmits and receives data to and from the content server 14 via the communication unit 34.
  • the communication unit 34 may have a data transmission / reception function as well as an overnight function or a server function.
  • the file storage unit 52 holds a plurality of oral files on the premise that they are used as display files at a non-network location. That is, the file storage unit 52 and the web browser 30 are connected without going through a network.
  • Virtual proxy unit 3 1, c virtual proxy unit 3 1 having a function of acquiring a file requested from the web browser 3 0 from any of the Huai Le accumulating unit 5 2 or content server 1 4, the instruction receiving section 4 6
  • a route determination unit 48, a file acquisition unit 50, and an update processing unit 54 ⁇
  • the instruction receiving unit 46 receives the path of the display file from the web browser 30.
  • the virtual proxy unit 31 defines in advance a network address and a port number of the virtual proxy, which are assumed to be registered in the proxy settings of the web browser, and the addresses are realized by the virtual proxy unit 31. Used as a private address in the virtual Internet world.
  • the instruction receiving unit 46 receives a file path of a display file from a web browser in which the network address and the port number are set as a proxy.
  • the route determination unit 48 determines whether to acquire the display file indicated by the file path from a location via the network or a location not via the network based on a predetermined determination criterion.
  • the location via the network is the content server 14, and the location without the network is the file storage unit 52.
  • the criteria are as follows. That is, when the display file indicated by the file path is stored in the file storage unit 52 as a local file, the route determination unit 48 determines that the local file should be acquired. Further, when the local file held in the file storage unit 52 is the latest, the route determination unit 48 determines that the local file should be acquired. The route determination unit 48 determines whether or not the oral file is the latest based on the time stamp or version number of each file.
  • the file acquisition unit 50 acquires the display file by a route based on the determination result of the route determination unit 48, and sends it to the web browser.
  • the file acquisition unit 50 converts the file path into a local file path when the route determination unit 48 determines that a local file should be acquired.
  • the file obtaining unit 50 updates the held content by storing the display file in the file storage unit 52.
  • the file acquisition unit 50 displays the display file indicated by the file path.
  • the configuration may be such that the display file is acquired from the location via the network without waiting for the determination result by the root determination unit 48.
  • the speed can be prevented from lowering because the files are acquired from the Internet route from the beginning without determining the acquisition route one by one.
  • the update processing unit 54 uses the display file stored at the location via the network to store the oral file held by the file accumulation unit 52. Update to the latest file. This update process may be performed by a background process.
  • the update processing unit 54 receives, via a network, an update program for processing the update when an instruction to update the convenience program running on the user terminal 12 is received from a location via the network. Download from location and run this. As a result, the program itself that realizes a virtual proxy can always be kept up to date.
  • the virtual proxy section 31 and the file storage section 52 constitute a content acquisition section 32.
  • the web browser 30 has a function of displaying web content on a screen using the display file acquired by the virtual proxy unit 31.
  • the web browser 30 includes a proxy setting unit 40, an instruction issuing unit 42, and a display processing unit 44.
  • the proxy setting unit 40 holds the network address and the port number entered in the proxy setting field of the web browser 30.
  • the instruction issuing unit 42 sends the file path of the display file to the virtual proxy unit 31.
  • the display processing unit 44 performs a process of displaying the web content on the screen based on the display file received from the virtual proxy unit 31.
  • the web content can be stored in the local environment in advance, and the web content can be kept up to date.
  • the amount of data downloaded via the Internet can be reduced, and processing can be accelerated. No matter how much network line capacity is increased, it is faster to obtain from a local network, and it is fast enough for users to experience on the browser screen The effect of ⁇ conversion is great.
  • the server side also has the advantage of reducing the download load.
  • FIG. 3 illustrates a web content displayed on a web browser screen in the learning system.
  • This screen 100 is a screen on which arithmetic lessons are displayed, and is composed of an image 102 and buttons 104 to 112.
  • the image 102 may be a moving image.
  • the data of the image 102, the image of the buttons 104 to 112, the HTML file that constitutes the layout of the screen 100, and the like are obtained from the file storage unit 52 or the display file storage unit 20. You. These contents are rarely updated, and are usually acquired from the file storage unit 52, so that they are displayed at high speed.
  • Fig. 4 illustrates the contents of the learning status report displayed on the web browser screen in the learning system.
  • the learning status of the learner is displayed.
  • study time 1 2 2 is listed by subject, and the ratio is represented by a pie chart 1 2 4. Since the study time 1 2 2 and the pie chart 1 2 4 are updated as needed, they are often obtained from the display file storage unit 20 rather than the file storage unit 52.
  • FIG. 5 is a flowchart showing the operation of the virtual proxy when acquiring a content.
  • the display processing unit 44 receives the file path from the web browser 30 (S10), acquires the update date of the local file corresponding to the file path from the file storage unit 52 (S12).
  • the update date of the display file indicated by the file path is also acquired from the content server 14. If the update date of the display file stored in the display file storage unit 20 of the content server 14 is newer than the update date of the personal file (S16Y), the file is acquired from the content server 14. (S18), the file is stored in the file storage unit 52, and the oral file is updated (S20). It should be noted that even when the local file corresponding to the file path does not exist in the file storage unit 52, the local file is also acquired from the content server 14.
  • the local file is acquired (S22). In addition, even when the update date of the local file and the update date of the display file on the content server i4 are the same, a local file is acquired.
  • the acquired file is sent to the web browser 30 (S22), and when the next file path is received (S24Y), the processing of S12 to S22 is repeated.
  • the file acquisition operation has been suspended (S24N)
  • an updated file is confirmed on the content server 14 (S26Y)
  • the file is downloaded.
  • the local file in the file storage unit 52 is updated to the latest state (S28). Steps S24 to S28 are repeated until the operation of the virtual proxy ends, and the process waits for reception of a file path (S30).
  • the content server 14 in the present embodiment is a server that provides the content of the learning system
  • the modified example can be applied to various other content providing services. For example, even if material data such as still images, videos, sounds, and texts used by the authoring tool are stored in the content server 14 and the user of the authoring tool downloads the data, Good.
  • the authoring tool may be, for example, a tool that supports the creation of an autobiography.
  • the material data may be files such as images related to hit songs, movies, chopstick crops, buzzwords, fashion, etc., audio, text, etc. for each era.
  • images of landscapes that symbolize the era or personal data of the user may be kept. The user downloads the favorite material when creating the autobiography, and lays out the autobiography using this.
  • the present invention can be used for a content acquisition method or a content acquisition device that can use the method.

Abstract

L'invention concerne un terminal d'utilisateur comprenant une unité mandataire virtuelle et une unité de stockage de contenu. L'unité mandataire virtuelle est connectée à un serveur par l'Internet. Le serveur comprend une base de données de contenu. L'unité mandataire virtuelle permet de déterminer, sur la base de critères prédéterminés, si elle doit prélever un contenu de l'unité de stockage de contenu du terminal d'utilisateur ou du serveur. FIG. 1 a EXPLORATEUR WEB b UNITE MANDATAIRE VIRTUELLE c UNITE DE STOCKAGE DE CONTENU d TERMINAL D'UTILISATEUR e INTERNET f BASE DE DONNEES DE CONTENU g SERVEUR WWW
PCT/JP2001/008956 2000-10-13 2001-10-11 Procede et dispositif d'acquisition de contenu WO2002033554A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001294232A AU2001294232A1 (en) 2000-10-13 2001-10-11 Content acquiring method and content acquiring device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000314530A JP2004157577A (ja) 2000-10-13 2000-10-13 コンテンツ取得装置
JP2000-314530 2000-10-13

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Publication Number Publication Date
WO2002033554A1 true WO2002033554A1 (fr) 2002-04-25

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PCT/JP2001/008956 WO2002033554A1 (fr) 2000-10-13 2001-10-11 Procede et dispositif d'acquisition de contenu

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JP (1) JP2004157577A (fr)
AU (1) AU2001294232A1 (fr)
WO (1) WO2002033554A1 (fr)

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JP2007065819A (ja) * 2005-08-30 2007-03-15 Seiko Epson Corp ＰＯＳ端末装置及びＷｅｂページの表示方法
JP2007272742A (ja) * 2006-03-31 2007-10-18 Ntt Docomo Inc 通信端末及び通信方法
JP5662307B2 (ja) * 2011-12-05 2015-01-28 日本電信電話株式会社 応答装置、応答方法およびプログラム

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WO2008069008A1 (fr) 2006-12-05 2008-06-12 Nippon Oil Corporation Polariseur à grille de fils et procédé de fabrication du polariseur à grille de fils, et film à différence de phase et élément d'affichage à cristaux liquides utilisant le polariseur à grille de fils
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