WO1998020434A9 - Systeme et procede d'affichage d'informations et de gestion des communications sur le reseau internet - Google Patents

Systeme et procede d'affichage d'informations et de gestion des communications sur le reseau internet

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Publication number
WO1998020434A9
WO1998020434A9 PCT/US1997/019719 US9719719W WO9820434A9 WO 1998020434 A9 WO1998020434 A9 WO 1998020434A9 US 9719719 W US9719719 W US 9719719W WO 9820434 A9 WO9820434 A9 WO 9820434A9
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WO
WIPO (PCT)
Prior art keywords
web
menu
sequence
web page
page
Prior art date
Application number
PCT/US1997/019719
Other languages
English (en)
Other versions
WO1998020434A2 (fr
WO1998020434A3 (fr
Filing date
Publication date
Application filed filed Critical
Priority to AU51568/98A priority Critical patent/AU5156898A/en
Publication of WO1998020434A2 publication Critical patent/WO1998020434A2/fr
Publication of WO1998020434A3 publication Critical patent/WO1998020434A3/fr
Publication of WO1998020434A9 publication Critical patent/WO1998020434A9/fr

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Definitions

  • the present invention relates generally to the field of Internet communication and more specifically to a system and method for generating and displaying world wide web site information.
  • Another problem with conventional web sites is that the size of the data files that need to be downloaded by a user is increasing significantly. For example, it is not uncommon for a web site having complex images, e.g., color photographs, movie clips, or satellite images, to exceed several megabytes in size.
  • a typical home user of a personal computer may have a maximum modem connection rate of 14.4 kilobits per second (kbps) which is approximately 1.8 kilobytes per second.
  • kbps kilobits per second
  • a web page whose data size is two megabytes requires over 18 minutes to download by the typical home computer, and only if the server that is sending the data is transmitting the data at the maximum permitted rate.
  • conventional web sites display partial information on the screen of the users display monitor.
  • One growing use of the Internet and WWW is the creation of web sites for advertising.
  • Advertisers are drawn by the low cost of the WWW. However, a significant drawback for advertisers is the slow rate of data transfer to typical home users. If an advertiser creates a web site where one page of the web site has a large size, e.g., two megabytes, then, as described above, a typical user having a 14.4 kbps modem will require over 18 minutes to download the single web page. A significant number of users will be reluctant to download such large advertisement web pages due to the large time commitment.
  • the present invention is a new model for creating, transmitting, and receiving web pages from a web server.
  • the present invention enables a user to create a new web site by either creating new web pages or extracting information from previously created web pages.
  • the invention enables a web site master to control the entire presentation of data to the user.
  • a web site can include a first web page having a main menu.
  • the present invention then permits the web site master to prepare a preset sequence of web pages that are displayed to the user for each menu item.
  • the user of the web page selects one menu item from a menu display and then can passively receive information in a logical sequence.
  • the control of the web page sequence can be used by advertisers, for example, to effectively present all information deemed helpful in attempting to convince the user to use the advertised product or service.
  • a user accessing a web site developed according to the present invention will have a predefined sequence of web pages displayed in order to maximize the benefit to the web site master, e.g., to increase the behavioral modifications of the client due to controlled advertising.
  • the present invention also increases the effectiveness of web sites having multiple web pages by using an artificial intelligence preloading methodology to reduce the delay in displaying a web page on the user's computer.
  • FIG. 1 is an illustration of a communication system in which the preferred of the present invention resides.
  • FIG. 2 is a more detailed illustration of the server of the preferred embodiment of the present invention.
  • FIG. 3 is a more detailed illustration of the server storage device of the preferred embodiment of the present invention.
  • Figure 4 is a flow chart describing the method performed by the server module according to one embodiment of the present invention.
  • Figure 5 is a flow chart describing the step of analyzing a web site according to one embodiment of the present invention.
  • Figure 6 is an illustration of a computer screen display showing information extracted from the web pages of the web site during the analyze web site 408 process according to one embodiment of the present invention.
  • Figure 7 is flow chart describing the step of configuring a modified web site according to one embodiment of the present invention.
  • Figure 8 is an illustration of a computer screen display for use in the web site configuration process according to one embodiment of the present invention.
  • Figure 9 is an illustration of an edit transition display according to one embodiment of the present invention.
  • Figure 10 is an illustration of a configuration image menu display according to one embodiment of the present invention.
  • Figure 1 1 is an illustration of a client computer storage device according to one embodiment of the present invention.
  • FIG. 12 is a flow chart describing the method performed by the Vayu Web client module according to one embodiment of the present invention.
  • Figure 13 is a flow chart describing the method performed by the web page preload module according to one embodiment of the present invention.
  • Figure 14 is an illustration of a web page control panel according to one embodiment of the present invention.
  • Figure 15 is an illustration of a first menu web page according to an alternate embodiment of the present invention.
  • Figure 16 is an illustration of a second web site menu page according to an alternate embodiment of the present invention.
  • Figure 17 is an illustration of a site repository information according to an alternate embodiment of the present invention.
  • Figure 18 is an illustration of a screen display of the web site presentation properties of various web site sequences developed by the web site designer according to an alternate embodiment of the present invention.
  • Figure 19 is an illustration of a web page sequence properties screen display according to an alternate embodiment of the present invention.
  • Figure 20 is an illustration of a web page property screen display according to an alternate embodiment of the present invention.
  • Figure 21 is an illustration of a sequence optimizer screen display according to an alternate embodiment of the present invention.
  • Figure 22 is an illustration of the site layout screen display that is displayed to the web site designer according to an alternate embodiment of the present invention.
  • FIG. 1 is an illustration of a communication system in which the preferred embodiment of the present invention resides.
  • the communication system includes a web server 102, a wide area network 104.
  • destination servers 106A, 106B, and personal computers 108A-C are conventional personal computers, e.g.. an Apple computer or a Compaq computer.
  • the personal computers 108 can be independent or part of a network, for example.
  • the personal computers 108 can be connected directly to the WAN, using a modem, for example, or can be connected to the WAN 102 via a server 106A that uses a leased line, for example.
  • the server 106A can operate using a conventional operating system, for example, UNIX or Windows NT.
  • a user of a computer e.g.. destination computer 108A to access data representing world wide web pages (web pages) from a web server 102
  • the user of the personal computer 108A identifies a uniform resource locator (URL) address to a web page in the web server 102 and transmits a request signal to the WAN 104.
  • URL uniform resource locator
  • the WAN 104 is conventional, e.g., the Internet, and can use routers to route the request signal to the web server 102.
  • a conventional web server receives a request and transmits the requested web page to the destination computer 108 A.
  • the destination computer 108 A receives the web page data and displays the web page. This process can repeat several times for each web page requested by the user.
  • the multiple requests per page are to obtain each multimedia object embedded in the page, e.g.. pictures, sounds, and videos.
  • the present invention is a new model for creating, transmitting, and receiving web pages from a web server 102.
  • the invention includes a server module and a client module.
  • the server module is stored and implemented by the web server 102.
  • the client module is stored in the web server 102 and is transmitted from the web server 102 to the destination computer 108 A after the web server 102 receives a request from the destination computer 108A.
  • the client module is executed by the destination computer 108 A when displaying the web pages of the web site.
  • FIG 2 is a more detailed illustration of the web server 102 of the preferred embodiment of the present invention.
  • the web server is conventional and includes a conventional central processing unit 202, e.g., a Pentium Pro processor that is commercially available from Intel Corporation, Santa Clara, California, a conventional input/output system 204, conventional random access memory 206, and a conventional storage device 208 having unconventional computer application programs stored therein.
  • the computer application programs stored in the storage device 208 are described in detail below.
  • Figure 3 is a more detailed illustration of the web server storage device 208 of the preferred embodiment of the present invention.
  • the storage device 208 includes a server web site module 302. a web site project database 304 having menu information 308 and web page information 306. a web site analyzer 310.
  • the server web site module 302 includes web site data including MIME files.
  • MIME files can include MIME types that provide a technique for enabling web browsers, e.g., Netscape Navigator, to automatically launch a viewing program associated with a received file, hypertext markup language (HTML) data, and common gateway interface (CGI) data.
  • the web site project databases 304 includes menu information 308 and data from web pages 306 extracted from the web page by the web site analyzer 310. A more detailed description of the web site project database is set forth below.
  • the web site analyzer 310 analyzes each web page of the web site, extracts data from each web page, and stores the data in the web site project database 304.
  • the web site configuration module 312 enables a user to create a menu and to create an ordered sequence of web pages that can be presented to a user (client) when a menu item is selected.
  • Figure 4 is a flow chart describing the method performed by the server module 102 according to one embodiment of the present invention. If the desired web pages of a web site do not yet exist 402 then the web pages are created 404 using conventional web page creation techniques. A web site creation description is provided in Chandler, Running a Perfect Web Site, Que Corporation (1995) that is incorporated by reference herein in its entirety.
  • the server 102 defines 406 a new site project, analyzes 408 the web pages of the web site, configures 410 the new web site, and saves 412 the web site.
  • steps 406, 408, 410, and 412 are set forth below.
  • web pages for the web site can be developed concurrently using the present invention.
  • a new site project is a data structure that is stored in the server storage module 208.
  • the new site project includes or references all of the information about a web site.
  • the information stored about each web site includes general information about the web site and a list of the web pages in the web site.
  • the general information includes information such as: (a) the company's name where the company can be the party to which the web site information is directed, e.g., the company who is advertising on the web site; (b) the webmaster name. e.g.. the creator of the web site: (c) the webmaster electronic-mail (e-mail) address.
  • the list of web pages includes information about each web page, such as:( l ) the URL of the web page: (2) a list of links out of the page; (3) a list of links into the page from other web pages in the web site; (4) the title of the web page; (5) the content type of the page, e.g., text, html, and image: (6) a list of pictures/videos/sounds in the page; and (7) the size of the web page.
  • the size (in bytes) of the web page can be determined using any of a variety of techniques. In one embodiment, the size of the web page is the sum of the number of bytes in the page's HTML, the size of all image ⁇ IMG>, sound ⁇ BGSOUND> object ⁇ OBJECT>.
  • FIG. 5 is a flow chart describing the step of analyzing 408 a web site by the web site analyzer 310 according to one embodiment of the present invention.
  • the web site analyzer determines the size of the web page and determines the links into and out of the page as described below.
  • the web site analyzer 310 determines 502 if more web pages need to be analyzed.
  • the web site analyzer 310 selects a web page by selecting one of the hyperlinks of a previously analyzed web page.
  • the web page analyzer 310 analyzes the web page and sets a flag indicating that the web page has been analyzed. If the web site analyzer 310 determines that the web page has already been analyzed, then the web site analyzer sets a pointer to the memory location in the server storage 208 containing the information previously extracted during the web page analysis.
  • the web page analyzer 310 extracts 504 the title of the web page. In one embodiment, the title of the web page is extracted by identifying the text associated with the title tag ( ⁇ TITLE>). The title can be displayed in order to identify the web page to the user.
  • the web page analyzer 310 then extracts 506 the hyperlinks of the web page.
  • the hypertext links are extracted by identifying the anchor tags ( ⁇ A>), the frame tags ( ⁇ FRAME>), and map tags ( ⁇ MAP>) in the web page.
  • the web page analyzer 310 extracts 510 image file names by. for example, identifying the file associated with the image tag ( ⁇ IMG>), and the web page analyzer 310 determines the size of the image file by (a) reading the HTTP size header or (b) downloading the file. In one embodiment, the HTTP size header is read since it is typically faster than downloading the file.
  • the web page analyzer 310 also extracts 512 embedded file names in the web page by, for example, identifying the file associated with the embedded tag
  • the web page analyzer 310 determines the size of each embedded file by (a) reading the HTTP size header or (b) downloading the file.
  • the web page analyzer 310 also extracts 512 object files in the web page by, for example, identifying the file associated with the object tag ( ⁇ OBJECT>).
  • the web page analyzer 310 determines the size of each object file by (a) reading the HTTP size header or (b) downloading the file.
  • the web page analyzer 310 also extracts 512 sound files in the web page by. for example, identifying the file associated with the bgsound tag ( ⁇ BGSOUND>).
  • the web page analyzer 310 determines the size of each sound file by (a) reading the HTTP size header; or (b) downloading the file.
  • the web page analyzer 310 extracts 514 class file names by, for example, identifying the file names associated with a class file name tag, e.g., ⁇ APPLET> in the Java programming language commercially available from Sun Microsystems, Inc., Santa Clara. California.
  • the web page analyzer determines a list of links out of the web page by downloading and scanning the contents of each class file.
  • the web page analyzer 310 also extracts 516 additional information from the web page. For example, the web page analyzer 310 identifies scripts, e.g., Javascripts and YBScripts.
  • the web page analyzer 310 determines 518 the size of the web page by summing the number of bytes in ( 1 ) the HTML of the web page, and (2) all of the image/embed/class/bgsound/object/script tag files. Steps 504-518 are repeated for each web page.
  • Figure 6 is an illustration of a computer screen display showing information extracted from the web pages of the web site during the analyze web site process 408. described above, according to one embodiment of the present invention.
  • the computer display illustrated in Figure 6 displays web page information including the web site name 602
  • the display includes information concerning the parsed pages 620 and parsing details 622.
  • the parsed pages 620 shows the list of web pages as they are being parsed.
  • the pages are displayed in a tree structure format that shows the hierarchical nature of the web site.
  • the parsing details 622 shows a detailed list of the links and files found in the page being currently parsed.
  • the site name 602 is the URL of the web site being analyzed. Host information (not shown) can also be displayed.
  • the host is the name of the host machine on which the web site resides.
  • a tree level indicator (not shown) can also be displayed.
  • the tree level represents the hierarchical level of the web page in the web site. Any web page may exist at a number of levels (e.g., it may appear as a hyperlink in many different pages in the web site).
  • the level represented here is the level closest to the top of the tree that the page appears. It will be apparent to persons skilled in the art that more or less information can be available to the webmaster when configuring the web site.
  • the web site configuration module 312 configures the web site.
  • the web site configuration module 312 enables the web site developer, e.g.. a webmaster, to construct a menu.
  • this menu is typically approximately 8-10 items, although it is envisioned that any number of items can be part of the menu.
  • Each item will consist of a sequence of web pages that are displayed in a fixed order.
  • the web pages themselves are not modified except for the web page having the menu.
  • the web pages are modified to, for example, ensure that all links out of the web page are deactivated, except for the links defined by the user.
  • Figure 7 is a flow chart describing the step of configuring a modified web site by the web site configuration module 312 according to one embodiment of the present invention.
  • the web site configuration module 312 enables the webmaster to create a menu structure that can be the first web page displayed in the web site.
  • Figure 8 is an illustration of a computer screen display for use in the web site configuration process according to one embodiment of the present invention.
  • the display includes a menu configuration portion 802, a current web site structure portion 804, a status portion 814, and various control buttons that can be selected by the webmaster using a conventional mouse or other pointing device, for example.
  • the control buttons in one embodiment include a menu shuffle up button 806. a menu shuffle down button 808, an add image button 810, an add transition button 812, and a status display 814.
  • the webmaster determines 704 if any more menu selections need to be modified. If the webmaster decides to modify or define a menu selection, the webmaster selects a menu, and defines 706 a sequence of web pages that will be displayed when the menu is selected.
  • One process for assigning a web page to a menu is: (a) a user highlights the menu in the menu configuration portion 802 using the mouse or keyboard; (b) the user then highlights the web page in current web site structure portion 804; and (c) the user selects the Add button 816.
  • the chosen web page will be added to the menu and will be displayed in the menu configuration portion 802 of the display. For example, a first menu is identified as "Luxury Vehicles" 820 in the menu configuration portion 802 of the display.
  • the menu configuration portion 802 also includes information about the web pages that the webmaster has associated with the menu.
  • the top menu item is "Luxury Vehicles" 820.
  • the shuffle up button 806 and the shuffle down button 808 enable a user to modify the web site structure by moving a web page up or down in the displayed menu configuration portion 802 of the display.
  • These buttons simplify the web site editing procedure for the web master. For example, a web page can be selected by the webmaster and associated with one of the menu items. The webmaster can then move, add. delete, or copy web pages in order to develop a suitable web site presentation sequence. The webmaster can also introduce transitions that can control the transition between web pages by selecting the "Add Transition" button 812. For example, a transition may be a timer of 10 seconds, or a keyclick from the user.
  • the webmaster ensures that the user will view the web pages associated with each menu (if any) only in the predefined sequence by automatically showing the next page in response the transition event. For example, if a timer of 10 seconds has been selected by the web master then after 10 seconds has elapsed the next page will automatically be displayed. The user does not need to perform any action.
  • a limited number of page links are included that enable the user to advance to the next page, return to the previous page, or return to the main menu, for example.
  • the present invention can be utilized to create a web site having advertisement as a significant purpose of the web site.
  • an automobile company e.g., General Motors
  • One important aspect of advertising is the process of creating a need that can be satisfied by the advertiser. In order to efficiently and successfully accomplish this, it is helpful if the advertiser is able to control the sequence of information presented to the user.
  • the advertiser could be more successful and effective if a description of the features and benefits of one or more car models were first shown to the user in order to familiarize the client with the cars and to therefore help persuade the client that the cars offered by the manufacturer will satisfy the needs of the client.
  • the web page having pricing information can be presented to the user. It will be apparent to persons skilled in the art that the above example is merely one example of how the current invention could be used and that many alternatives exist for developing and strategically planning the web page presentation sequence in a web site.
  • FIG. 9 is an illustration of an edit transition display 902 according to one embodiment of the present invention.
  • the user has the ability to define the event that will trigger a web page transition for any particular web page, e.g.. the "Leasing Information" web page as displayed in the menu item display area 904.
  • the available types of transitions are displayed in the available transition portion 906 of the display.
  • the webmaster selects one of the available transition types and activates the Add button 912, and the selection is displayed in the current transition portion 908 of the display. If the webmaster selects the timer option, the webmaster can set the delay between pages by entering the delay in the delay definition portion 910 of the display. To remove a selection from the Current Transition 908 display the web master uses the Remove button 914.
  • the webmaster also has the opportunity to provide 708 additional information concerning the web site and the individual web pages.
  • some of the information stored in the new site project data structure is defined by the webmaster, e.g., information concerning the company name, webmaster name, webmaster e-mail, and the URL of the main menu page or one or more web pages in the web site, for example.
  • the webmaster has the opportunity to provide this information before or after the defining 706 the web page display sequence for the web site.
  • Figure 10 is an illustration of a configuration image menu dialog box display 1002 according to one embodiment of the present invention.
  • the dialog box 1002 enables the user to generate a menu display by selecting a menu, e.g., Menu_4, and defining the active regions in the display portion 1006 for the selected menu.
  • the active region for Menu_4 ( "New for '97") is defined in the active region definition dialog box 1008.
  • the webmaster does not create an initial menu page, instead only one web page sequence is defined and when the client selects the first page the sequence of the remaining web pages of the web site are displayed to the client in the predefined sequence.
  • the modified web site is saved 412.
  • the web site is saved as a series of files that are used when web site information is transferred to a client accessing the web site.
  • these files are used to transfer the information gathered by the server tool to the client.
  • the files include a stub Java Applet that is inserted into the home page of the site.
  • NAME xyzmotors_menu_l . brw] " >
  • the menu items in Table 1 contain specific information about each link on the menu illustrated in the display portion 1006 of Figure 10. and the contents of the pages linked thereto.
  • the menu items are passed as parameters.
  • a naming convention is used to determine the order and structure of the menu.
  • the data is structured with a format that is similar to HTML, but uses square brackets ([ and ]) instead of angle brackets ( ⁇ and >).
  • the first parameter (PARAM) is for the first item in the menu, named mem ⁇ _l . Its type is MENUJTEM, and the item ' s name is Sport Utility.
  • the next PARAM is a page assigned to the menu_l. and its name is menu_l _1.
  • the type is LINK, its URL is http://McJava dealers/dealers.html, the TRANSIT is TIMER, and the DELA Y is 10 seconds.
  • the third PARAM is also assigned to the menu_l item, but it points to a file that contains the rest of the links for menu_l.
  • the file name is Mc Java _menu_2. brw. There are one of these files for each menu item that has more than one link assigned to it. These files are used to limit the amount of information that is transmitted from the server to the client in the initial transmission. Since the number of web pages that could be assigned to all of the menu items could range into the hundreds and thousands, it is generally more efficient to send down a portion of menu information, and then retrieve more menu information as needed.
  • a client utilizes a computer, e.g., a destination computer 108 A. to access the defined web site stored on the server 102.
  • the personal computer used by the client can be a conventional personal computer, e.g., an IBM personal computer that is commercially available from IBM Corporation, Armonk, NY.
  • the destination computer 108 A includes a conventional CPU, conventional RAM, and a conventional storage device, that can be similar to the server 102 described above.
  • FIG. 1 1 is an illustration of a client computer storage device 1 100 according to one embodiment of the present invention.
  • the storage device 1 100 includes a conventional Internet browser 1 102. a Vayu Web client module 1 104, a web page preload module 1 106, menu files 1 108, and a TCP/IP Internet connection protocol module 1 1 10.
  • the conventional Internet browser provides an Internet gateway to the destination computer 108 A.
  • the client uses the Internet browser 1 102 to request access to the web site stored in the server storage module 208.
  • the menu files 1 108 include the files received from the server 102 in response to the access request.
  • the personal computer storage module 1 100 receives the Vayu Web client module 1 104 and the web page preload module 1 106 from the server 102. The operation of these modules is described in greater detail below.
  • the Vayu Web client module has been implemented using three different techniques. These three techniques allow the client module to operate across the wide variety of client machines currently in use across the Internet, e.g., IBM PC, Apple Macintosh, Sun Microsystems Sparcstation, and across the wide variety of WWW Browsers currently in use, e.g., Netscape versions 2.n and 3.n, and Microsoft Internet Explorer versions 2.n and 3.n.
  • the three techniques are: (1) as a Java Applet; (2) as a Javascript script where Javascript is a Internet language developed by Netscape Corporation; (3) as a Client-Pull mechanism using a ⁇ META> tag in the HTML file, that causes the browser itself to automatically load pages on a timed basis.
  • the CONTENT argument contains the time in seconds.
  • the URL contains the target URL.
  • the ⁇ META> tag can be:
  • Figure 12 is a flow chart describing the method performed by the Vayu Web client module according to one embodiment of the present invention.
  • the client requests information from the web site server 102 and the destination computer 108 A downloads 1202 web site server information.
  • the web site server information initially downloaded includes the Vayu Web client module 1 104, the web page preload module 1 106, and the new site project data structure that is stored in the menu files 1 108.
  • the new site project data includes information about the web site and includes references to web pages in the web site but does not include all of the web page data.
  • the destination computer 108A implements 1204 a web page preload routine that is executed concurrently with the remaining functions performed by the Vayu Web client module, as described below.
  • Figure 13 is a flow chart describing the method performed by the web page preload module 1 106 according to one embodiment of the present invention.
  • the web page preload module 1 106 gathers local environmental information concerning the client personal computer. This information includes the speed of the modem, the time of day, Internet service provider service level, browser type and version, and operating system type and version. This information is used by the artificial intelligence expert system to dynamically select a preload strategy to optimize the performance of the presentation of web pages to the client.
  • the web page preload module 1 106 preloads 1304 the first web page from each of the menus.
  • the Vayu Web client module 1 104 While the web page preload module 1 106 is preloading the first web page associated with each of the menus, the Vayu Web client module 1 104 displays 1206 the menu page and waits for the user to select a menu. When the user selects 1208 a menu item, the Vayu Web client module 1 104 identifies 1210 the first web page in the predefined sequence of web pages associated with the menu item and displays 1212 the first web page. Before the user selects a menu item, the web page preload module 1 106 preloads the first web page associated with each menu item, as stated above, and then determines the web page loading sequence for subsequent eb pages based upon a determination of the most likely menu item selection.
  • the web page preload module 1 106 determines the most likely menu item selection based upon the selections of previous clients or, if no clients have previously accessed the web page, the webmaster may indicate which menu item to show first, or the first menu item is selected as the most likely to be selected.
  • the web page preload module 1 106 preloads web pages from the sequence of web pages associated with the most likely menu item selection by implementing the rule based expert system of the present invention, described below.
  • the Vayu Web client module 1 104 and the web page preload module 1 106 receive the web page sequence and web page information from the new site data structure in the menu files 1 108.
  • the new site data structure includes the overall size of the web page, the number of embedded objects in each web page, and the size of the embedded objects in each web page, as described above.
  • the web page preload module 1 106 determines a priority for each web page in the web page sequence based upon the environmental parameters of the destination computer 108 A, described above, a queue location of the web page in the predefined sequence, the size of the web page, the number of embedded objects in the web page, and the size of the embedded objects in the web page, for example.
  • the web page preload module is keeping track of how long it actually takes to load each page. From this information it calculates the actual throughput that the current client is getting. This throughput is used by the expert system to make decisions about preload strategies. For example, if the throughput falls below a certain ⁇ alue, the preload module may stop preloading certain types of MIME files (e.g., video, sound). The trigger value would be set by the web master during the menu configuration stage, described above.
  • One example of a rule based expert system is set forth in Table 2.
  • MSIE_3x is Microsoft's Internet Explorer Version 3.x IF
  • STRATEGY_7 is load page 1, then 2, then largest to
  • the web page preload module 1 106 preloads 1308 the web pages having the highest priority.
  • the web page preload module 1 106 monitors 1310 the preloading procedure to reduce any delay in displaying web page to the client.
  • the monitoring function of the web page preload module 1 106 permits the preload function to be dynamic in that if a problem occurs 1312 in the web page loading process, the web page preload module 1 106 sorts and reorganizes 1314 the data. Examples of problems include: (a) when a page is needed to be displayed and has not yet been preloaded or (b) when the preloading is sufficiently ahead of the display so that the local PC web page cache is full, and pages must be discarded (and reloaded). When a problem occurs the expert system is re-initialized with the current data (including the throughput and modified menu files without the web pages that have already been displayed). A modified preload strategy is then determined 1306. The client continues navigating 1210 through web pages while the destination computer
  • FIG. 14 is an illustration of a web page control panel 1400 according to one embodiment of the present invention.
  • the user has the option of returning to the beginning of the web page by selecting control panel button 1402, proceeding to the end of the web page (for example, a video clip embedded in the web page may be skipped) by selecting control panel button 1404.
  • control panel button 1406 pausing the execution of the web page by selecting control panel button 1408, decreasing the speed of web page execution by selecting control panel button 1410, increasing the speed of web page execution by selecting control panel button 1412, or stopping web page execution by selecting control panel button 1414.
  • This alternate embodiment includes a standard structure and navigation for the menus (pages containing buttons) and menu items (buttons), allowing the user a set of options at each web page.
  • One benefit of using the standard structure is to make the web site easier to use by the end user and to offer the web site designer more control over what is displayed to the user.
  • Figure 15 is an illustration of a first menu web page according to an alternate embodiment of the present invention.
  • the first menu page 1500 illustrated in Figure 15 includes a single large button 1502 that includes the name of the company that is the subject of the advertising, e.g., "Vayu Web".
  • the user can select the button 1502 to continue or the user can exit from the web site.
  • the present invention enables the company to add a graphic display to the button or to the background to enhance the screen display.
  • the first menu web page can include a tool bar 1504 having various control buttons thereon. These control buttons are enabled and disabled for each web page based upon the web site definitions defined by the webmaster. When the user selects the button 1502, a sequence of pages may automatically be presented after which another menu page appears containing more items. Alternatively, the sequence can be skipped and the next menu page can be presented immediately. While the user is viewing a dynamic sequence, the control functions are typically disabled. The control functions include pause, fast forward, reverse, and exit. In alternate embodiments these control functions are enabled during the presentation of dynamic sequences. While a dynamic sequence is playing the user typically watches the display until the next menu page is reached.
  • Figure 16 is an illustration of a second web site menu page according to an alternate embodiment of the present invention.
  • the user has three options, (1 ) return to the previous menu page, (2) select one of the menu items 1602, or (3) select the auto-play button 1604 to automatically cycle through the sequences following each menu item, for example.
  • the order of cycling through the menu items is determined by the web site designer (web site master). Some items can be excluded from this '"autoplay".
  • a menu page can comprise any number of items. In this alternate embodiment the number of items is typically between 1 and 10.
  • the web site designer can add their own graphics to the items or to the page background. Certain web pages can be static, i.e., they do not automatically display another web page.
  • the ' " pause" and "forward" buttons on the tool bar 1504 are enabled.
  • the page may include a description of a product and/or ordering information, for example.
  • a maximum viewing time can be specified by the web site designer to proceed to the next page after some amount of time has elapsed, or the web site designer can permit the user to continue to the next web page by selecting a next page control button.
  • the tool bar 1504 is located at the top of the screen.
  • the web site designer may choose not to display the tool bar 1504 for certain screens when, for example, the user has no other options within these screens but to wait for the next page.
  • the tool bar 1504 can also include status indicators 1606 to show the remaining time left to view this page.
  • This tool bar 1504 can be used for every page displayed using the present invention.
  • Another feature of the present invention is that the user is permitted to create multiple versions of each web site where the present invention permits optimization of each web site for different internet throughput rates. For example, the throughput range for different types of Internet access devices commonly used today varies from 14.4 kbps (modem) to 56 kbps (ISDN) to 1.5 megabits/sec (Tl).
  • LANs local area networks
  • the web site designer may include several versions of a web page, or several versions of a sequence, where a sequence includes a series of pages which are automatically displayed, with each version being a different size to optimize the web site display for different throughput environments.
  • the database can include information about the various page and sequence versions.
  • the artificial intelligence module of the present invention that was described above with respect to the expert system and is described in greater detail below, can automatically select the appropriate page version depending on the throughput environment it has determined for a user.
  • the Virtual Design Studio which is the tool that the web site designer uses to assemble the web pages into advertisement sequences, is designed to assist the web designer in creating optimal sequences for various throughput environments.
  • the Virtual Design Studio will also allow the web site designers to preview the web pages of the web site using a simulator of the present invention in order to simulate environments having various data throughput rates.
  • the present invention permits different versions of web pages and web sites by providing the web site designer with the option of providing high-quality (larger) pages for users connected at higher throughput rates and lower-quality (smaller) pages for users connected at lower throughput rates.
  • the present invention enables the web site designer to easily mix the smaller pages with the larger pages when the throughput is fast.
  • adding larger pages to a low-throughput connection requires the designer to carefully sequence the pages so a large page is preloaded while several smaller ones are being viewed.
  • some pages take longer to view, for example if they contain detailed textual information that takes longer to read. This longer viewing time can be used to preload larger files.
  • the Virtual Design Studio of the present invention includes modules which assist in the intelligent sequencing of pages in this manner not only to reduce the user's waiting time but also to improve the quality of the pages that can be viewed with slower connections.
  • Another factor to consider is that the actual throughput rate during an Internet connection session can vary greatly. For example, with a nominal connection speed of 28.8 kbps, the actual transfer rate can easily vary between 10 kbps and 28.8 kbps. Therefore, the artificial intelligence (Al) module of the present invention makes real-time adjustments during a connection session to keep the presentation flowing and prevent waiting time for the user.
  • One of the techniques implemented by the Al module is to leave out certain pages that the designer has identified as being large but with low impact or information content.
  • Another technique is to dynamically switch a higher-quality presentation to a lower one when the throughput slows down, and then to switch back to the higher-quality one if the throughput picks up again.
  • the artificial intelligence unit is described in greater detail below.
  • Figures 6, 8, 9, and 10 are illustrations of screen displays during the analyze web site process 408 and the configure web site process 410 for one embodiment of the present invention as described above.
  • Figures 17-22 are illustrations of screen displays displayed to the web site designer during the analyze web site process 408 and the configure web site process 410 according to an alternate embodiment of the present invention.
  • the Virtual Design Studio is stored in the web site analyzer 310 and enables a web site designer to: (1) construct presentation sequences from pre-existing and newly created web pages; (2) optimize the presentation sequences for different throughput environments and specify alternatives to be used by the artificial intelligence module to compensate for throughput variations in real time; and (3) create menu structures and user navigation through the web site.
  • the virtual design studio includes a site repository information screen that is illustrated in Figure 17.
  • the site repository information screen allows a web site designer to view, insert, delete and edit web page information and web page sequences.
  • the site repository information screen allows the web site designer to assemble pages into the sequences which form the basis of the automated web site content.
  • the site repository information screen also enables the web site designer to modify and maintain the web site.
  • Figure 18 is an illustration of a screen display of the web site presentation properties of various web site sequences developed by the web site designer.
  • Figure 18 illustrates two alternate web sites, the first web site 1802 is defined to be accessed by clients having a high data transmission connection, e.g., a client having a Tl line.
  • the second web site 1804 is defined to be access by clients having a low data transmission connection, e.g., a client having a 14.4 or a
  • FIG. 19 is an illustration of a web page sequence properties screen display 1900.
  • the web page sequence properties screen display 1900 identifies the optimal data connection rate for a particular web site sequence.
  • the optimal user has a connection rate between
  • the web page sequence properties screen display also enables the user to identify a slower alternate web page sequence and a faster alternate web page sequence that can be selected by the artificial intelligence unit, as described below.
  • FIG 20 is an illustration of a web page property screen display according to an embodiment of the present invention.
  • the web page property screen display 2000 includes information about various components of each web page including the size and download time
  • the page property enables the user to select various options including the display of control buttons, e.g.. the forward and pause button, and enables the user to identify web pages that can be skipped if the actual data throughput is slower than the anticipated data throughput, as determined by the artificial intelligence unit, described below.
  • Figure 21 is an illustration of a sequence optimizer screen display according to an alternate embodiment of the present invention.
  • the sequence optimizer screen display allows the user to optimize the arrangement of web pages within a web site and to optimize the length of time each web page is displayed.
  • the sequence optimizer screen display is an easy-to-use graphical interface that displays the ideal and estimated viewing times for each page.
  • the sequence optimizer is part of the web site configuration module 312 illustrated in Figure 3.
  • the sequence optimizer of the present invention calls a web page display simulator that is also part of the web site configuration module 312 which provides feedback to the web site designer regarding the presentation of the sequence of web pages to the user under different network throughput conditions.
  • the present invention determines the ideal and estimated viewing times based upon the amount of text in the web page, the level of detail in visual objects, and the length of video objects, for example.
  • the user can modify the viewing time for each page.
  • the Sequence Optimizer graphically displays for each page the amount of credit time, i.e.. the time differential between the viewing time and the time at which the page has been preloaded, or the amount of debit time, the time differential between the time at which the page will be preloaded and the viewing time.
  • the user can adjust the parameters for each page and see this credit/debit value change for each page.
  • the parameters that can be set for each page include: the ideal view time, which is the amount of time the designer wants page to display, and the optional view flag, which indicates whether a page can be skipped over if the system is too busy, for example.
  • the Virtual Design Studio unit automatically computes for each page the estimated minimum view time, which is the minimum time estimate that the page must be displayed before the next page is ready for display, and the normal load time, which is an estimate of the amount of time it will take to download a page in the throughput environment that the designer has set for this sequence.
  • the site layout studio unit is part of the web site configuration module 312 and enables the web site designer to create menus and define the web page sequence of the web site.
  • the site layout studio unit displays a site menu page display and a menu item that displays the name of the site. When a user selects the menu item, one of at least two things happen: (1 ) a sequence of pages will play, or (2) another menu will appear, each of which can contain up to ten menu items.
  • FIG 22 is an illustration of the site layout screen display that is displayed to the web site designer according to an alternate embodiment of the present invention.
  • the site layout screen display 2200 includes a menu portion 2202, a menu layout portion 2204, and a control portion 2206.
  • the menu portion 2202 includes the tree of menus and menu items within a site and the links there between. Selecting an object expands it and shows the menus and items linked hierarchically below it.
  • the menu layout portion 2204 displays the screen layout of the menu items on each menu. Selecting a menu in the upper screen causes that menu to be displayed in the menu layout portion 2204.
  • the user has the option of changing the menu style, by selecting the menu style button 2208 in the control portion 2206 in terms of the types of standard menu styles supported by the present invention, e.g., by modifying the displayed graphics and colors.
  • the virtual design studio unit includes a relational database that resides on the same computer the Virtual Design Studio is on, which can be the web site designer's computer.
  • This database contains all the information regarding the automated web site except for the pages themselves, which are stored in files on the web server.
  • a conventional HTML Generator module of the Virtual Design Studio creates an encoding of the database contents into a format that can be easily read by the client-side software on the user's computer.
  • the web site designer runs the HTML generator to create a file which is placed on the web server computer.
  • These generated files contain the HTML code which the client-side processor and Al processing module uses to perform.
  • the web page preload module 1 106 is described above with reference to Figures 1 1-13.
  • the web page preload module includes an artificial intelligence (Al) module that performs the functions described below.
  • the artificial intelligence module supports the selection of different page versions and additional real-time decisions on page preloading.
  • the artificial intelligence module can be stored on the server instead of the client computer.
  • the Al module is downloaded to the client computer and collects information about the client computer environment including the operating system, processor capacity, Java support capabilities, types of video and audio formats that are supported, and the current throughput rate of the Internet connection. Using this information the Al module makes decisions regarding which version of Java to use and which version of the page sequence to use. Since network conditions can change during the session, the Al module continually monitors the network conditions, e.g.. the rate of data throughput, and can modify the web page sequence by skipping a web page, for example, in order to reduce the waiting time for the user. The Al module periodically assesses the state of the session, and makes decisions accordingly.
  • the functions performed by the Al module includes: (1 ) preloading pages; (2) canceling the preloading process; (3) modifying the rate of play of the current sequence; (4) inserting an additional page, e.g., a message, into the sequence; ( 5) skipping a page in a sequence being presented; (6) replaying one of the components, e.g., sound or video; and (7) switching to presenting another sequence of pages with a different ideal throughput requirement.
  • an additional page e.g., a message
  • the Al module is downloaded to the client computer. Specifically, when the user contacts the web site, a client module is downloaded on the first page and the HTML code output by the HTML generator module of the virtual design studio, described above is also downloaded.
  • This HTML code is used by the client code module and the Al module, and contains the complete description of the web site in terms of the menus, menu items, sequences, and pages found in each sequence.
  • the client module performs three major functions: (1) probing the client machine to determine the client environment and the throughput rate, and uploading the HTML code; (2) displaying menus and pages; and (3) processing user toolbar input.
  • the client module implements the site template as designed by the web designer.
  • the first menu page is displayed, and the user can choose one of the available options.
  • the sequence of web pages associated with that option is displayed in sequence on a display device, e.g., a computer monitor, coupled to the client computer.
  • a display device e.g., a computer monitor
  • Each web page can be displayed for a certain period of time, and the client module is responsible for switching pages after the view time has expired.
  • some web pages may have an active toolbar.
  • some pages with a great deal of text may require that the user indicate when the user has finished reading the text. It is possible to have a single view time that would work for all users, however fast readers may become frustrated if the view time is too long since the view time would need to be long enough to accommodate slower readers.
  • the client-server interaction and processing on the Internet World Wide Web is complex, and is greatly affected by factors such as network traffic, the number of clients accessing a particular site, the amount of content the client requested, the computer hardware speed, and the software efficiency. While some of these factors (e.g. modem speed) stay the same during an Internet session, other ones, such as network traffic, varies constantly.
  • the Al module To deliver an uninterrupted or nearly uninterrupted presentation to the user, the Al module frequently monitors the network, the server, and the client environment during a session, and makes complex decisions regarding how to proceed with the presentation.
  • the Al module accounts for processes happening both on the server and on the client computer.
  • the Al module synchronizes these processes while gathering information and while making decisions.
  • the Al module constantly performs "what-if ' scenarios, examining different options for preventing interruptions to the pages appearing on the user ' s display screen.
  • the Al module relies on the sequences being constructed in an optimal manner for nominal throughput for a particular environment. For example, if the nominal throughput for the sequence is 20 kbps. the Al module presumes that the sequence was constructed to flow smoothly as long as the connection uniformly maintains this throughput.
  • the present invention is designed to work under various network conditions, under different server responsiveness, and with a variety of client computer environments, e.g.. low-end personal computers with basic web browsers or high-end workstations supporting more powerful web browsers.
  • the Al module determines the client's environment and the current state of the Internet connection.
  • Some of the parameters which will affect the decisions of the Al module are: (1) the processing and Input/Output (I/O) speed of the server machine; (2) the throughput capabilities of the Web Server software; (3) the operating system on the client machine; (4) the client computer's support of Java applets: (5) the client computer ' s support of JavaScript; (6) the client computer ' s support of Client Pull technology: (7) the types of video and audio formats that can be played by the browser or plug- in components of the client computer; (8) the maximum number of simultaneous connections to the Server that the client permits; (9) the browser cache size of the client computer: ( 10) the number of users currently communicating with the Web Server: and (1 1 ) the current throughput rate of the Internet connection.
  • I/O Input/Output
  • the Al module determines the following parameters at the beginning of a session and monitors the following parameters throughout the session: (1) the number of users currently communicating with the Web Server; (2) the current throughput rate of the Internet connection; and (3) the volatility of the network throughput rate.
  • the Al module based on the parameters of the session: (1) selects the versions of the requested presentation that are supported by the client environment, e.g., Java, JavaScript, ClientPull, or Generic; and (2) selects the starting version of the presentation.
  • the present invention can utilize all of the selected versions by, for example, switching between web page sequence versions in response to a variations in network conditions.
  • the present invention sets the following parameters: (1) the maximum number of simultaneous connections the present invention utilizes; (2) the rate of change of the speed of the presentation sequence in response to change in network conditions; and (3) the types of filler pages, filler applications and special effects to be used during the presentation.
  • the Al module preloads new pages, graphics, sound, video and other presentation components.
  • the Al module uses the information obtained during its network monitoring operation to determine whether the original sequence still can be played without interruptions.
  • the Al module also monitors the progress of each component being preloaded from the Web Server, in order to make decisions about when to cancel preloading, or initiate new component preloading, as described above.
  • Appendix A includes a psuedo-code representation used to implement the Al module and is incorporated by reference herein.
  • the following is an example of the operation of the Al module.
  • the present invention determines, for example, that the client computer utilizes the Windows 95 Operating System, supports Java applets, supports running QuickTime videos, permits a maximum of two simultaneous connections to the server, and has a browser cache size of 10 megabytes.
  • the Al module determines that versions of the top-level presentation can utilize Java applets and QuickTime video technology.
  • a probe page is downloaded to the client computer, and the present invention determines that the number of users currently communicating with the web server is at about half of Server ' s capacity and the current throughput rate of this Internet connection is 1000 kbps.
  • the present invention selects the starting version of the presentation that corresponds to network throughput rate of 1000 kbps, and preloads the first page of the web site.
  • the Al module determines that there are two components currently being downloaded, one from the next page, and one from the following page.
  • the presentation begins, and the present invention starts presenting selected sequence of pages, while continuing to monitor the presentation and network conditions.
  • the present invention detects a drop in network connection's throughput, for example down to 100 kbps.
  • the Al module of the present invention sets up a virtual scenario of canceling the process of preloading the second component because even though the first component would download sooner, the timing for the next page would still be late.
  • the Al module determines that current page has an animated GIF component that can be replayed at the end of the page and adds this replay to the scenario being considered. However, invoking a what-if analysis still results in unacceptable timing. Therefore, the expert system consults a presentation script, and determines that at this point a "Skip page", or "Special Effect" actions are not available and. accordingly, rejects this scenario.
  • the expert system then runs through some other viable "what-if scenarios, and rejects all of them except the one requiring switching to the sequence corresponding to a 56 kbps throughput.
  • the Al module then instructs the Vayu Web client module 1 104 to modify the selected sequence of pages.
  • the Al module then continues monitoring the presentation and network conditions.
  • the Al module detects an increase in network connection ' s throughput up to 900 kbps.
  • the expert system sets up a virtual scenario of switching to the sequence corresponding to 1000 kbps throughput, and runs a what-if analysis on that scenario, whose result is acceptable.
  • the Al module then switches back to the sequence of pages corresponding to 1000 kbps throughput, and continues with the presentation.
  • PrSiteVie //hierarchical tree of presentations accessible to user logging- in string name
  • SequenceVec & sequenceVec //list of alternate page-sequences PrPage & tailMenuPage; //menu to display after presentation PrPageVec S, tailPageVec; //list of pages tac ed-on ( e.g. order-
  • PrSequence & sequence PrPage 4, page; //page (usually HTML) long idealViewTime; //prescribed under normal state long mmViewTime; long maxViewTime; long loadTime; //expected load time at throughput //for which sequence was designed int pauseAilowe ⁇ ; , user pauses when this item is displayed m fcrwar ⁇ Al cwe ⁇ ; / enaoie " ;rwar ⁇ ” button wnen dispiaye ⁇ -nt SKipAlicwe ⁇ ; aiibw shipping tnis page PrPage s. preloa ⁇ Pa ⁇ e,- /'when displaying this tem, start preloading
  • PrFxVex __ fxVec //list of available "special effects"
  • PrSequence i_ upSe ⁇ uence PrSequence i_ upSe ⁇ uence; /another sequence to switch to
  • PrComponen ec & componen Vec //list of components (images, sound, video)
  • startSequence ⁇ DetermmeSequences ( sequenceVec)
  • curSequence * startSequence ; curEnv startEnv ,-
  • nextPreloadSeqltem curSequence .getNextPreloadSeqltem ( )
  • nextPreloadComp curSequence .getNextPreloadComponent ( ) //check f this comp is already cached nextPreloadComp.

Abstract

Cette invention se rapporte à un système et à un procédé permettant de créer des pages web, d'émettre de telles pages à destination d'un serveur web et de recevoir de telles pages en provenance d'un serveur web. Grâce à cette invention, un utilisateur peut créer un nouveau site web soit en créant de nouvelles pages web soit en extrayant des informations de pages web précédemment créées. L'invention permet à un maître de site web de maîtriser entièrement la présentation des données à un utilisateur. Selon une réalisation de l'invention, un site web peut comporter une première page web comportant un menu principal. La présente invention permet alors au maître du site web de préparer une séquence prédéfinie de pages web qui sont affichées à l'attention de l'utilisateur pour chaque élément du menu. L'utilisateur de la page web sélectionne un élément du menu à partir d'un affichage du menu et peut ensuite passivement recevoir les informations suivant une séquence logique. La maîtrise de la séquence des pages web peut permettre, par exemple, à des annonceurs de présenter efficacement toutes les informations supposées utiles pour tenter de convaincre l'utilisateur d'utiliser le produit ou le service annoncé par la publicité. Contrairement aux sites web classiques, lorsqu'un utilisateur accède à un site web développé conformément à la présente invention, ledit utilisateur dispose d'une séquence prédéfinie de pages web affichées dans le but de maximiser le profit que peut en tirer le maître du site web, par exemple, dans le but d'accroître les modifications comportementales du client provoquées par la publicité commandée. La présente invention permet également d'accroître l'efficacité des sites web comportant de multiples pages web au moyen d'une technique de préchargement d'une intelligence artificielle dans le but de réduire le retard d'affichage d'une page web sur l'ordinateur de l'utilisateur.
PCT/US1997/019719 1996-11-07 1997-10-30 Systeme et procede d'affichage d'informations et de gestion des communications sur le reseau internet WO1998020434A2 (fr)

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US74589996A 1996-11-07 1996-11-07
US08/745,899 1996-11-07
US76228996A 1996-12-09 1996-12-09
US08/762,289 1996-12-09

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