WO2001091086A1 - Method and system for providing online distance learning - Google Patents
Method and system for providing online distance learning Download PDFInfo
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- WO2001091086A1 WO2001091086A1 PCT/US2001/016898 US0116898W WO0191086A1 WO 2001091086 A1 WO2001091086 A1 WO 2001091086A1 US 0116898 W US0116898 W US 0116898W WO 0191086 A1 WO0191086 A1 WO 0191086A1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers
- G09B7/02—Electrically-operated teaching apparatus or devices working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student
Definitions
- the present invention relates generally to distance learning and, more particularly, to methods and systems for providing modularized lectures and courses via a network, such as the Internet.
- the Internet has provided educators with a new medium for delivering educational materials to a diverse, geographically remote audience. For example, corporations have begun offering continuing education and training to employees via the Internet, and universities have been providing educational content to students via the Internet. In short, the Internet exists as a medium through which educators can communicate to a widely distributed audience.
- the present invention satisfies the foregoing, as well as other, needs.
- the invention provides a system and method for presenting a student user a modularized course via a network, such as the Internet.
- the course is segmented into modules.
- a course preferably includes the following categories of modules: preparatory, lecture, interactive and test.
- the combination of these categories of modules results in an effective course presentation, wherein users are immersed in an interactive, non- isolated learning environment.
- users, professors and teachers are provided an interface by which they can search modules by topic or subject matter.
- the system of such embodiments identifies modules related to the topic or subject matter being searched. Having the identified modules, the users, professors and teachers can select some or all ofthe identified modules and rearrange such modules into a new course.
- the new course may be stored in the system and offered as a separate course to students. Accordingly, the systems allows new, customized courses to be created from existing courses.
- Figure 1 is a schematic illustrating the system components according to one embodiment ofthe present invention
- Figure 2 is a database schematic illustrating the relationship among the primary entities according to one embodiment ofthe present invention
- Figure 3 is a database schematic illustrating the relationship among the primary entities related to user students according to one embodiment ofthe present invention.
- Figure 4 is a database schematic illustrating the relationship among the primary entities related to courses according to one embodiment ofthe present invention.
- Figure 5 is a database schematic illustrating the relationship among the primary entities related to staff according to one embodiment ofthe present invention.
- Figure 6 is a course map interface according to one embodiment ofthe present invention.
- Figure 7 is a preparatory module according to one embodiment ofthe present invention.
- Figure 8 is an interactive module according to one embodiment ofthe present invention.
- Figures 9 is a test module according to one embodiment ofthe present invention.
- Figures 10 is a test module according to one embodiment ofthe present invention.
- Figures 11 is a course player interface according to one embodiment ofthe present invention.
- the distance learning system 104 ofthe present embodiment includes one or more web servers 106, application servers 108 and media servers 110 interconnected via a network, such as a local area network (LAN), which in turn, is coupled to the Internet.
- the web servers 106 generate web pages that are accessed by the end users 102 participating in the learning experience. Users may log into their accounts, register for courses, view their course history and participate in courses via the service providers web pages.
- the web servers 106 also generate administrative web pages that are accessed by staff of the service provider, professors and teachers.
- the application servers 108 generally provide the back-end functionality described herein. For example, the software residing on the application servers 108 write to and access the databases 114 as necessary.
- the media servers 110 host the media content delivered to the end users 102.
- Such media may be in essentially any form or format, including, for example, streaming media, graphics, audio, video, textual and the like.
- the distance learning system 104 further include one or more work stations
- the system 104 also includes one or more databases 114 for storing information relating to courses, students and staff.
- the foregoing description ofthe distance learning system 104 is merely exemplary as other arrangements of hardware may be utilized in providing the learning experience and functionality described below.
- alternate embodiments ofthe present invention utilize a load balancer for distributing end user accesses to the system, while other embodiments use specialized servers for providing discussion group functionality and search functionality.
- the course content and application software described herein are delivered to users on an electronic storage medium, such as a CD-ROM, for experiencing on a processing device.
- FIG. 1 Also shown in Figure 1 are professors 116 that interact with the service provider, via processing devices or other communication devices, to create courses. Also coupled to the Internet and consequently, the distance learning system 104 are teachers ("TA's") 118. Each TA 118 is assigned to teach one or more courses and, therefore, interact with the system 104 to administer courses by selecting course material, grading users, monitoring student participation and the like.
- Figures 2-5 are presented as entity-attribute- relationship diagrams and therefore, provide a logical view ofthe data corresponding to the databases 114.
- FIG. 2 illustrates the primary entities in the current embodiment and their relationships. As illustrated, each course comprises a set of related classes, and each class comprises a set of related modules. A module represents the smallest teaching unit. As described in greater detail below, modules according to the present embodiment fall into one of four categories: prepatory modules, which prepare the users for taking the class, lecture modules, which provide the educational content, interactive modules, which solicit input from each user, and test modules, which provide interactive testing for users. As also noted below, there are three types of test modules.
- each course is associated with documents describing the course
- coursematerial including the syllabus, research links, rules ofthe course, reading list and the like.
- each module has material used in the module (“modulematerial”), and each course has associated content (“material”), including documents, presentation and assessment materials.
- each course is also associated with several other entities. More specifically, each course has associated therewith the enrollment for the course, the course TA assigned to teach the course, the professor that created the course and the university sponsoring the course. As illustrated, the user enrollment is a subset of all registered users. Furthermore, the service provider staff interacts with the universities, professors and TAs to efficiently create and deliver courses. Preferably, each staff member has a defined role, including, for example, TA and/or professor.
- the distance learning system 104 further includes each semester schedule ("semester") and, for each course, an indication of when the course begins (“coursesemester").
- each course is characterized by topic.
- the system 104 is able to efficiently search courses based on user input.
- the user table 302 includes a record for each user, identified by a user-identifier (ID).
- Each record includes various user identifying information, including the user's name, e-mail address and profile, such as the user's demographics, interests, options and the like. Also included in each record is the user's password for accessing the user's account and an answer to a lost-password question, such as "what is your mother's maiden name.”
- Such user- identifying information is typically obtained during an initial registration process with the service provider, for example, via an on-line form generated by the system 104 or a manual process whereby a staff member enters the information into the system 104 via the workstation 112.
- each record also includes a talk ID which identifies any talk for which the user has registered.
- the enrollment table includes a record for each such enrollment, identified by an enrollment ID.
- Each record further includes the user ID ofthe user enrolling in the particular course, which is also identified in the record by its unique course ID.
- each record also includes the date on which the user enrolled in the course ("enroll date").
- the present embodiment provides for various levels or tiers of enrollment, as identified by the "tier" field in the enrollment table 304. In the present embodiment the user may select when enrolling one ofthe three tiers: audit, audit plus, and student.
- a user registered under audit status may only view the preparatory and lecture modules, but not participate in the interactive modules; a user registered under audit plus status may view the preparatory and lecture modules, as well as participate in interactive modules and user-to- user test modules (described below); and a user registered under student status may take the course for credit and a grade, participating in all modules and interacting with faculty and staff.
- the student table 304c includes, for each enrollment ID, start and end date, a TA ID for the course and a final grade.
- the databases include additional fields of information associated with users, including a cumulative grade field (such as a numerical grade or grade point average), total credits field, and the like.
- the databases 114 further include a course table 306, which includes a record for each course, as identified by a unique course ID As noted above, each record includes a topic ID university ID and professor ID, identifying the topic, sponsoring university and creating professor ofthe course, respectively. Each record further includes a course number and name, as well as a course description.
- each course is associated with a course TA and one or more classes.
- the databases 114 include a course TA table 308 which identifies a TA and associated course by IDs.
- each course TA is taken from a universal table of TAs 310, which identifies the TA's staff ID and area of expertise.
- the class table 312 identifies the classes comprising each course. To this end, each record in the class table 312 relates to a particular class as identified by class ID. Each class ID, in turn, is associated with the relevant course ID. Furthermore, each class is given a name and the week during which the class is given.
- the module table 314 identifies the modules corresponding to each class.
- each record in the module table 314 includes a module ID which uniquely identifies the module, as well as the class ID ofthe class to which it belongs.
- the record also includes the module name and module number.
- Each record also includes a description of the module, a list of keywords relating to the subject matter ofthe module, and an indication ofthe module type (e.g., document, presentation or assessment, worksheet, link, transcript, homework, evaluation, talk and the like).
- Each module that includes a lecture component also preferably includes a transcript ofthe lecture stored in the databases 114 and associated with the module. As noted below, the transcript not only is provided to users, but also is searchable. [0039] Each module may have associated with it particular assignments or work.
- Each assignment in the work table 316 has an associated record identified by module ID and enrollment ID, thereby associating the assignment with both a user and class. Each record further includes a due date for the assignment, the date submitted for the assignment, a media locator, for identifying the location ofthe user's submission, the user's grade and the TA's reply.
- each user may enroll for a particular module. Such enrollment is tracked in the usermodule table 318. Each record in the usermodule table 318 corresponds to an enrollment, uniquely identified by a usermodule ID. Each record identifies the module, by module ID, for which the user, as identified by the user ID registered.
- the databases 114 include tables relating to the university sponsors, course schedules and course materials.
- the databases 114 include the university table 402, which includes a record for each university, as identified by a unique university ID, sponsoring a course. In addition to the university ID, each record includes the name ofthe university. Because the course table 306 includes a field for the university ID, the databases 114 are able to associate the name ofthe university sponsoring each course.
- the semester table 404 includes a record for each university's semester, as identified by a semester ID.
- the record identifies the particular university ID, as well as the start date for the university's semester and the name ofthe semester.
- the databases 114 include information on the courses for each university semester. Such information is stored in the coursesemester table 406. As illustrated, the course semester table 406 identifies the start date for each course of a semester.
- each module has a defined start date. Such information is contained within the moduleschedule table 408. More specifically, each module ID pertaining to a course ID, pertaining to a semester ID, the module schedule table 408 identifies the date for the module. As will be appreciated by those skilled in the art, information pertaining to the semesters and the start times of courses, classes and modules is useful in administering the courses, tracking enrollment, tracking student participation and the like. [0045] Each course has associated therewith course materials, as identified in the course material table 410. For each course, as identified by the course ID, there exists materials, as identified by one or more material IDs. For each record pertaining to a course and material ID, the course material table 410 also specifies the role of such material, including for example, syllabus, rules of course, research links, reading lists, evaluations, best student work and the like.
- a material table 412 contains records for each material ID. Each record in the material table 412 associates a material ID with a media locator and a type. More specifically, in the present embodiment, course material is classified as either being a document, presentation or assessment type material.
- the media locator identifies the location ofthe particular material within the distance learning system 104. For example, the media locator identifies the media server 110 and file name ofthe particular media file.
- the hypothetical media locator is
- the material may also be associated with a specific module in the modulematerial table 414.
- course material as identified by material ID, is associated with a module, as identified by a module ID.
- each record pertaining to course material for a given module includes an indication ofthe sequence ofthe material for use in the specified module.
- each record in the course table 306 includes a topic ID.
- Such topic ID corresponds to an entry in the topic table for 16.
- Each record in the topic table 416 includes the name ofthe topic for a given topic ID.
- Exemplary topics include history, geography, media, and the like.
- the databases 114 include a staff table 502 that includes a record for each member ofthe service provider staff as identified by staff ID.
- Each record in the staff table 502 includes, as applicable: a university ID, if the staff member is associated with the university; a user ID, if the staff member is also a user; a role ID, identifying the staff member's role; a biography; and an image. As illustrated, inclusion of a university ID and/or user ID associates the particular staff member with the details contained in the university table 402 and/or user table 302, respectively.
- the role ID contained in the staff table 502 corresponds to a record in the role table 504. Associated with each role ID in the role table 504 is the name ofthe role, such as
- TA or professor and the associated privileges associated with that role, such as the ability to assign or change a grade.
- a staff member's role corresponds to a TA
- the staff member has an associated entry in the TA table 310.
- the staff member's roll corresponds to that of a professor
- the staff member has an associated record in the professor table 506, which identifies the staff member by staff ID and the staff member's relevant publications.
- courses are preferably divided into classes, which in turn, are preferably divided into modules, or individual discrete portions of an overall lecture.
- each module is no more than approximately eight minutes in length.
- lectures are broken into portions that are easily understable, with breaks to permit the user to rest before concentrating on the next portion (i.e., module) ofthe lecture.
- the present embodiment seeks to enhance the learning experience by providing the different media types as appropriate to each module.
- the present embodiment presents modules via a processing device, such as a personal computer
- the service provider preferably uses different media types and tools to embellish, reinforce and enrich the primary lecture elements.
- the present embodiment preferably utilizes classes with any combination of four or more categories of modules: preparatory; lecture; interactive; and test.
- each class of a course includes at least one of each of the foregoing four categories of module. In alternate embodiment, however, only a subject of the four categories of modules is used, while in other alternate embodiments additional categories of modules are used.
- each row represents a single class and each square in a row represents a module of that class.
- Each module is identified as preparatory (P), lecture (L), interactive (I), or test (T).
- the modules are arranged differently.
- the preparatory module may be presented at the end of each class in preparation for the next class.
- a class test module may be given during the following class. Also, there need not be a test modules for each class.
- the preparatory module(s) precedes the lecture module(s) to which it relates; the test module(s) follow the lecture module(s) to which it relates; and interactive module(s) are interspersed therein.
- a course may be logically divided into classes that themselves may comprise individual courses. For example, a course on art history consisting of 48 classes may contain a class directed solely to the Baroque period or a class directed solely to the use of mixed media, each of which may be offered as separate short courses.
- the course map exists as an interactive interface for professors, TAs and users to navigate the course modules and create new course offerings.
- Preparatory modules are generated by the system 104 as, for example, html pages. Prepatory modules (as well as the other modules) can also be dynamically generated by accessing information stored in the databases 114 and dynamically inserting such information within the module.
- a preparatory module includes preparatory information that the staff, professor and/or TA determines would be helpful in preparing a user for taking a course and/or class. More specifically, preparatory modules typically include (but are not required to include) a list of required readings, key points ofthe class or course, thought-provoking questions, suggested readings, links to related resources, a printable transcript ofthe course lecture, and the like.
- Lecture modules typically include any presentation by which the professor chooses to convey the subject matter ofthe course, including, for example, video ofthe professor, voiceovers, animations, illustrations, audio, graphics and the like. Such lecture modules will be discussed in greater detail below with reference to Figure 11.
- Generation of lecture modules typically involves a collaborative, iterative effort between the service provider and the professor. Preferably, the process is performed prior to recording the lecture, as merely filming an off-line lecture fails to provide a transcript that is readily segmented into modules. The process generally entails the professor and production staff collaborating to identify topical segments to form the primary subject matter being conveyed in each lecture module. It should be understood that multiple lectures may correspond to the same or related topical segments and that a single lecture may correspond to more than one topical segment.
- Interactive modules include one or more features that solicit a reaction or input from the user related to the subject matter ofthe course.
- interactive modules may solicit the user's opinion, an answer, a suggestion or the like.
- Such user reaction is received by the system 104 and tabulated and stored in the databases 114 preferably an a user, semester course basis, enrollment and for later use in the class and to monitor the user's participation.
- An interactive module may come before and/or after the lecture module(s) to which it relates.
- dispersed throughout a course may be interactive modules providing students with the same opinion poll.
- the system 104 may provide feedback to the user's throughout the course as to how each users personal opinion may have changed, how the opinions of all students currently taking the course may have changed, and how past and present students' opinions have changed.
- the present embodiment provides each user with an interactive, community-based learning experience rather than an isolated learning experience.
- interactive modules are designed to elicit a better understanding ofthe course material and participation on behalf of users in furtherance of such an understanding.
- interactive modules represent queries a teacher may ask during an off-line lecture.
- An exemplary interactive module in the form of a user poll is illustrated in Figure 8.
- Test modules may take any of a number of forms (often dictated by the professor or TA) including, for example, a private communication between the user and TA, a discussion area shared by users participating in a class and overseen by the TA, or an area for factual test questions, such as multiple choice, true-false, drag and drop and the like, which are customizable by TA's.
- test modules provide the TA the ability to qualitatively assess a user's performance in a course.
- An exemplary test module providing private user to TA interaction is shown in Figure 9, and an exemplary test module allowing user-to-user interaction is illustrated in Figure 10.
- Such test modules may be implemented using standard chat room or message board functionality as a component to an overall interface.
- the combination ofthe aforementioned categories of modules, P-L-I-T contributes to an effective learning experience, in which users ofthe distance learning system 104 obtain a personalized, interactive learning experience.
- the use of discrete modules allows a professor to deal with discrete, but related, topics separately and also allows end users (students) to revisit an important topic of a class or course by simply viewing the relevant module ofthe class.
- the modularization of a class also permits the professor (or course producer) to include various types of modules, including preparatory modules, lecture modules, interactive modules, and testing modules, as described above.
- the combination of he foregoing categories of modules allows for effective monitoring and evaluation of users participating in courses.
- modules are preferably presented to the user via the same or similar interface, it is within the scope ofthe present invention for the modules to take different forms.
- a preparatory module may be an e-mail or message board message presented to the user.
- the course map includes a graphical indication of each module comprising each class in a course.
- the class "Understanding Mass Media” comprises ten classes, with the first class, "The Media Revolution,” comprising sixteen modules totaling 47 minutes and 43 seconds of lecture material.
- the course map is preferably presented to the users as a portion of an overall user interface through which the users, professors and TAs can search modules and rearrange modules into customized courses.
- the course map is preferably combined in an interface including a text box for accepting search terms from the user, professor or TA.
- a search engine software component residing on the application server 108 receives a search term or terms entered by the user, professor or TA and searches the keyword field in the module table 314, as well as the transcripts associated with each module. Once the search engine identifies the modules having keywords and/or transcripts including the search terms, the application server 108 causes the graphical depiction of those modules in the course map to be highlighted.
- the interface preferably also includes a textbox that, when the user, professor or TA highlights or selects a particular module in the course map, displays the description associated with that module.
- the course map may be utilized as a tool for creating customized courses.
- a TA may search for a particular thread of information throughout a course.
- a TA may wish to focus on the correlation between the use of mass media and the economy.
- the TA may search for the term "economy” and related terms, thereby identifying related modules.
- the system would identify those modules having the term "economy” in either the module description or associated transcript. The TA may then select and reorder those modules into a customized course.
- the system Upon the TA indicating a desire to save the customized course, the system creates a new record in the course table 306 and assigns the customized course a course ID.
- the system also creates records in the related tables (as with other courses), such as the module table 314, which associates each ofthe selected modules (identified by module ID) with the newly assigned course ID.
- the ordering ofthe modules in the new course can be set forth either in the existing tables or in one or more additional tables associating the new course with the existing modules and their ordering in the new course.
- one additional table and one modified table are utilized to track the sequence of modules: a "Class_TA” table that correlates staff ID, Class ID and Sequence, thereby providing the sequencing of a particular staff member's classes; and a modified "ClassJVlodule” table that correlates class ID, Module ID and sequence, thereby providing the sequencing ofthe modules in the class.
- the course map provides a user with a graphical indication of that user's participation in the course, by, for example, highlighting those modules that the user successfully completed.
- Other indications ofthe user's progress through the course includes scores on the test modules, participation in interactive modules, completed assignments, outstanding assignments, and the like.
- Those of skill in the art will understand that such information may be conveyed either graphically on the course map, or via textual messages provided to the user via a separate text box.
- the course player (which is illustrated in the context of a lecture module) is preferably a web-based application accessible by a plurality of end users through a global communications network, such as the Internet.
- the course player may operate within a browser application, such as, for example, Microsoft Internet Explorer or Netscape Navigator.
- the web- based course player is designed, developed and programmed using Macromedia's Director 8.5 Shockwave Studio and Flash (version 5).
- the Director 8.5 Shockwave Studio and Flash enables the course player to have various animated, interactive, graphical components, described in further detail below, which add to the learning experience.
- the course player can be developed within any software environment, such as Java or Visual Basic, and can run as either a server-side or client-side application.
- the course player preferably comprises several interactive media components, including but not limited to a content window 110E, which may include a streaming video or audio component, a transcript window 1104, and a notebook window 1106.
- a content window 110E which may include a streaming video or audio component, a transcript window 1104, and a notebook window 1106.
- each course offered by the service provider is broken into several classes, which in turn are modularized into several modular components. For instance, a forty-five minute class may be broken into nine, five minute modules or segments.
- a class map (similar to the course map described above) control is graphically displayed on the course player and allows a user to view a map of modules related to the particular class, at any time during an interactive course experience.
- various module indicators 1108a link to the various modules of a particular class.
- Each module indicator is also linked to the module's name and/or description, as stored in the module table 314, which is graphically shown in a module name box 1108b. Using the module indicators, the user may select a module out of order or replay a particular module.
- the course player also preferably includes various player controls 110 which allow a user to play, pause, fast forward, rewind, or move between the various modules.
- the player controls may include a progress bar, as shown in Figure 11, that graphically displays the progress of a particular module.
- the content window 1102 functions to display various images, html-based content, or other such displays relating to the content ofthe particular module being viewed.
- the present exemplary embodiment depicts a lecture module with an animated flash image showing a map ofthe route that Alexander the Great took to Heliopolis and Memphis.
- the content window 1102 also preferably includes a streaming media window, which functions to play various streaming video or audio components of a particular class module.
- the streaming video/audio component ofthe content window uses a media player plug-in, such as for example, RealPlayer, QuickTime or Windows Media Player, to operate.
- a recorded video ofthe professor's lecture may be shown in between interactive segments of the modules.
- streaming video or audio of a historical event may be played at any time during the class and shown in a content window.
- an additional window can be utilized to simultaneously play streaming content along with other content being displayed in the content window.
- the course player also preferably includes a transcript window 1104 that displays various segments of text corresponding to the words spoken by the professor throughout the module.
- the text is preferably stored in the databases 114 and associated with the module's module ID.
- the transcript window 1104 could also be used to display relevant facts or other information related to the class module.
- various hyperlinks may be embedded in the transcript text. These hyperlinks link to content associated with the module or class and may include images, audio or video, definitions, or other related content.
- the term "Heliopolis" is hyper- linked to text explaining a key fact regarding the ancient city.
- the hyperlink text inputs the associated content into the course player and, in the case of text- based content, can drop the text block directly into the notebook window 1106, as described further below.
- the course player also preferably includes a notebook window 1106, which functions to allow an end user to take notes throughout the class presentation.
- the notebook window is preferably a dragable and resizable window 1106 that operates similar to a word processing program.
- the notes typed into the notebook window by the end user may be saved for later retrieval by the end user.
- important key facts linked to various hyper-linked text can be directly imported into the notebook.
- an end user can click on the hyper-linked text and import a definition directly into the notebook window.
- the notebook may be saved to the user's processing device or to the service provider's system.
- the web server 106 make a call to databases 114 to retrieve all ofthe information necessary to deliver that class to the end user 102 through the course player. Once this information is retrieved (or substantially simultaneously therewith), the web server 106 sends a message to the application server 108 to launch the course player programming.
- the web server 106 pulls information such as the class ID from class table 312, the module IDs from module table 314, and the material ID and module sequence from material table 412 and module material table 414, respectively.
- the course player software operating on the application server 108 can pull the content necessary to deliver the chosen class from various databases 114 and from media server 110. For instance, if a particular video stream of a lecture is associated with a module ID, the application server 108 uses the material ID associated with that particular module ID, as stored in module material table 414, to pull the video stream associated from the media server 110. Furthermore, using the sequence stored in module material table 414, the course player software can load and play the course material in sequence. Yet further, the course player software operating on application server 108 uses "media locator" and "type” data, which are stored in material table 412, to determine the particular window through which the content is delivered. By way of example, content having a "type” set to "transcript” would have a corresponding "media locator” set to the "transcript window". As such, the transcript text is properly sent to the transcript window ofthe course player.
Abstract
Description
Claims
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US10/276,967 US20030207245A1 (en) | 2001-05-23 | 2001-05-23 | Method and system for providing online distance learning |
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US20676900P | 2000-05-23 | 2000-05-23 | |
US60/206,769 | 2000-05-23 |
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WO2001091086A1 true WO2001091086A1 (en) | 2001-11-29 |
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Cited By (3)
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SG128424A1 (en) * | 2002-04-12 | 2007-01-30 | Singapore Polytechnic | Integrated learning system |
US9716580B2 (en) | 2012-05-31 | 2017-07-25 | E&C Holding Company, Llc | Virtual classroom management delivery system and method |
CN112951013A (en) * | 2021-01-29 | 2021-06-11 | 北京乐学帮网络技术有限公司 | Learning interaction method and device, electronic equipment and storage medium |
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- 2001-05-23 WO PCT/US2001/016898 patent/WO2001091086A1/en not_active Application Discontinuation
- 2001-05-23 EP EP01941610A patent/EP1287515A1/en not_active Withdrawn
- 2001-05-23 AU AU2001274948A patent/AU2001274948A1/en not_active Abandoned
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SG128424A1 (en) * | 2002-04-12 | 2007-01-30 | Singapore Polytechnic | Integrated learning system |
US9716580B2 (en) | 2012-05-31 | 2017-07-25 | E&C Holding Company, Llc | Virtual classroom management delivery system and method |
US10187192B2 (en) | 2012-05-31 | 2019-01-22 | E&C Holding Company, Llc | Virtual classroom management delivery system and method |
US10749658B2 (en) | 2012-05-31 | 2020-08-18 | E&C Holding Company, Llc | Virtual classroom management delivery system and method |
CN112951013A (en) * | 2021-01-29 | 2021-06-11 | 北京乐学帮网络技术有限公司 | Learning interaction method and device, electronic equipment and storage medium |
Also Published As
Publication number | Publication date |
---|---|
EP1287515A1 (en) | 2003-03-05 |
AU2001274948A1 (en) | 2001-12-03 |
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