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11. 发明授权

US09391787B2 Tagging content for social interchange in online education platforms 有权
标题翻译：在网络教育平台上标注社交互换的内容
公开(公告)号：US09391787B2
公开(公告)日：2016-07-12
申请号：US14147341
申请日：2014-01-03
申请人： Chegg, Inc.
发明人： Yehuda Gillead , Shahaf Shakuf , Vincent Le Chevalier , Roded Konforty , Ohad Eder-Pressman , Charles F. Geiger
IPC分类号： G06F17/30 , H04L12/18 , G06F3/0484 , H04L29/06 , H04L29/08 , G06Q50/00
CPC分类号： H04L12/1822 , G06F3/04842 , G06Q50/01 , G06Q50/20 , H04L51/32 , H04L63/083 , H04L67/02
摘要： Disclosed is a computer-implemented method and system for tagging content for social interchange. When a user-generated post is received from a user device accessing a document from an online education platform for posting to an external social network, the system tags the user-generated post with a unique document-part identifier (ID) identifying a part of the document with which the post is associated. The document-part ID identifies the same part in both electronic and paper versions of the document. The post tagged by the document-part ID is posted to a live feed associated with the document-part ID on the external social network. User-generated posts from the live feed associated with the document-part ID on the external social network can be retrieved and displayed to the user.
摘要翻译：公开了一种计算机实现的用于标记用于社交交换的内容的方法和系统。当从用户设备接收用户生成的帖子时，从用于发布到外部社交网络的在线教育平台访问文档，系统使用唯一的文档部分标识符（ID）标记用户生成的帖子，该文档部分标识符（ID）标识一部分该帖子与之相关联的文档。文档部分ID在文档的电子和纸张版本中标识相同的部分。由文档部分ID标记的帖子将发布到与外部社交网络上的文档部分ID相关联的实时Feed。来自与外部社会网络上的文档部分ID相关联的实时订阅源的用户生成的帖子可以被检索并显示给用户。

12. 发明授权

US08584259B2 Digital content distribution and protection 有权
标题翻译：数字内容分发和保护
公开(公告)号：US08584259B2
公开(公告)日：2013-11-12
申请号：US13339980
申请日：2011-12-29
申请人： Vincent Le Chevalier , Charles F. Geiger , Rahul Ravindra Mutalik Desai , Ashit Joshi , Dax Eckenberg , Joshua Richardson , Brent Tworetzky
发明人： Vincent Le Chevalier , Charles F. Geiger , Rahul Ravindra Mutalik Desai , Ashit Joshi , Dax Eckenberg , Joshua Richardson , Brent Tworetzky
IPC分类号： G06F7/04 , G06F17/30 , H04N7/16
CPC分类号： G06F21/10 , H04L63/0428 , H04L63/0807 , H04L63/102 , H04L63/108
摘要： Embodiments provide a system for content distribution and protection. The system first receives an order from a user for a protected document. In response to a successful user authentication, the system generates an access code for the user to access the protected document. In response to a received user reading request, the system validates the access code for a reading session. The system then transfers a set of URLs for accessing a set of pages and associated metadata in the protected document to the user. The set of URLs are valid for a period of time. Responsive to a request for reading a next set of pages, the system again validates the access code for the session and transfers another set of URLs for accessing the next set of pages. The system also logs user activities related to the protected document.
摘要翻译：实施例提供了用于内容分发和保护的系统。系统首先从用户接收受保护文档的订单。响应于成功的用户认证，系统生成访问代码以供用户访问受保护的文档。响应于接收到的用户阅读请求，系统验证读取会话的访问代码。然后，该系统传送一组URL，用于将受保护文档中的一组页面和相关联的元数据访问给用户。一组网址在一段时间内有效。响应于读取下一组页面的请求，系统再次验证会话的访问代码，并传送另一组URL以访问下一组页面。系统还记录与受保护文档相关的用户活动。

13. 发明申请

US20130174016A1 Cache Management in HTML eReading Application 有权
标题翻译： HTML eReading应用程序中的缓存管理
公开(公告)号：US20130174016A1
公开(公告)日：2013-07-04
申请号：US13461499
申请日：2012-05-01
申请人： Arieh Glazer , Ohad Eder-Pressman , Vincent Le Chevalier , Charles F. Geiger
发明人： Arieh Glazer , Ohad Eder-Pressman , Vincent Le Chevalier , Charles F. Geiger
IPC分类号： G06F17/00
CPC分类号： G06F17/30902
摘要： Embodiments of the invention provide a system and a method for providing consistent user experience in eReading applications. The system extracts a set of attributes of browsers and platforms on which an eReading application is running The system receives a target eReading application performance. The system adjusts behavior of the eReading application to compensate for the difference between the extracted set of attributes and the target eReading application performance.
摘要翻译：本发明的实施例提供了一种用于在eReading应用中提供一致的用户体验的系统和方法。系统提取了eReading应用程序正在运行的浏览器和平台的一组属性系统接收目标eReading应用程序的性能。系统调整eReading应用程序的行为，以补偿提取的一组属性与目标eReading应用程序性能之间的差异。

14. 发明申请

US20130174011A1 Automated Document Conversion Testing 有权
标题翻译：自动文件转换测试
公开(公告)号：US20130174011A1
公开(公告)日：2013-07-04
申请号：US13340030
申请日：2011-12-29
申请人： Vincent Le Chevalier , Charles F. Geiger
发明人： Vincent Le Chevalier , Charles F. Geiger
IPC分类号： G06F17/00
CPC分类号： G06F17/22 , G06F17/30905 , G06F17/30914 , G06F17/3092
摘要： Embodiments of the invention provide a system for automated document conversion testing. For each page in the received documents, the system first converts the page into a source image. The system then converts the document page into a set of markup language page elements and generates a rendered image of the markup language page elements displayed in a web browser on a target software platform. Next, the system determines a correlation factor between the source image and the rendered image. The correlation factor indicates a page fidelity between the original document and its markup language transformation. If the correlation factor exceeds a threshold established for a minimum page fidelity requirement, the markup language conversion is validated.
摘要翻译：本发明的实施例提供了一种用于自动文档转换测试的系统。对于接收到的文档中的每个页面，系统首先将页面转换为源图像。然后，系统将文档页面转换成一组标记语言页面元素，并且生成在目标软件平台上的web浏览器中显示的标记语言页面元素的呈现图像。接下来，系统确定源图像和渲染图像之间的相关因子。相关因子表示原始文档与其标记语言转换之间的页面保真度。如果相关系数超过为最小页面保真度要求而建立的阈值，那么标记语言转换将被验证。

15. 发明申请

US20130174010A1 Document Conversion Correlation Engine 有权
标题翻译：文件转换相关引擎
公开(公告)号：US20130174010A1
公开(公告)日：2013-07-04
申请号：US13340006
申请日：2011-12-29
申请人： Vincent Le Chevalier , Charles F. Geiger
发明人： Vincent Le Chevalier , Charles F. Geiger
IPC分类号： G06F17/00
CPC分类号： G06F17/227
摘要： Embodiments of the disclosure provide a system for correlating document pages. The system receives a source image of a document page and a rendered image of a markup language page converted from the document page. The system then performs a correlation analysis between the source image and the rendered image. Next, the system determines a correlation factor between the source image and the rendered image based on the correlation analysis, wherein the correlation factor indicates a page fidelity between the document page and the markup language page converted from the document page.
摘要翻译：本公开的实施例提供了一种用于关联文档页面的系统。系统从文档页面接收文档页面的源图像和从文档页面转换的标记语言页面的呈现图像。然后，系统在源图像和渲染图像之间执行相关分析。接下来，系统基于相关分析来确定源图像和渲染图像之间的相关因子，其中相关因子指示从文档页面转换的文档页面和标记语言页面之间的页面保真度。

16. 发明申请

US20130151300A1 Time Based Data Visualization 审中-公开
标题翻译：基于时间的数据可视化
公开(公告)号：US20130151300A1
公开(公告)日：2013-06-13
申请号：US13706343
申请日：2012-12-05
申请人： Vincent Le Chevalier , Charles F. Geiger , Brent S. Tworetzky , Ashit Joshi , Dax Eckenberg , Rahul Ravindra Mutalik Desai
发明人： Vincent Le Chevalier , Charles F. Geiger , Brent S. Tworetzky , Ashit Joshi , Dax Eckenberg , Rahul Ravindra Mutalik Desai
IPC分类号： G06Q50/20
CPC分类号： G06Q50/20 , G06Q10/063114
摘要： An education digital reading platform collects time based user activity data and time based instruction data to generate time based views displaying a user's progress. User activity data includes any activity performed by a user on a web application displaying content from the education digital reading platform such as reading, taking notes, or answering questions. Time based instruction data includes a syllabus, due dates, and deadlines associated with a user's class. An interface system aggregates the user activity data from one or more users along with the instruction data to generate views of a user's progress. The views may be displayed, for example, as a timeline or a calendar. The views may enable a comparison between the activities of multiple users or a comparison of one or more user's activities to a syllabus.
摘要翻译：教育数字阅读平台收集基于时间的用户活动数据和基于时间的指令数据，以生成显示用户进度的基于时间的视图。用户活动数据包括用户在Web应用程序上执行的任何活动，其显示来自教育数字阅读平台的内容，例如阅读，记录笔记或回答问题。基于时间的指导数据包括与用户类相关联的课程大纲，截止日期和最后期限。接口系统将来自一个或多个用户的用户活动数据与指令数据一起聚合，以生成用户进度的视图。视图可以显示为例如时间轴或日历。视图可以使得可以比较多个用户的活动或将一个或多个用户的活动与大纲的比较。

17. 发明公开

US20240371285A1 SYSTEM AND METHOD FOR MANAGING RECALL ACTIVITIES WITH EXTENDED REALITY 审中-公开
公开(公告)号：US20240371285A1
公开(公告)日：2024-11-07
申请号：US18310257
申请日：2023-05-01
申请人： Chegg, Inc.
发明人： Vincent LE CHEVALIER
IPC分类号： G09B5/02 , G06F3/01 , G06F3/16 , G06T19/00
CPC分类号： G09B5/02 , G06F3/017 , G06F3/167 , G06T19/006
摘要： Methods, systems, and apparatus, including computer programs encoded on computer storage media, for managing recall activities. One of the methods includes receiving, from a server, recall content associated with a recall activity session for provision to a user; generating a digital watermark based on information associated with the recall activity session; rendering the recall content to the user in a virtual field of view, wherein the digital watermark is embedded into the rendered recall content; capturing an answer to the recall content based on one or more activities of the user in a physical environment, the one or more activities being responsive to the rendering of the recall content; rendering the captured answer in the virtual field of view; and sending, to the server, data associated with the captured answer.

18. 发明公开

US20240265822A1 SYSTEM AND METHOD FOR GENERATING AND DELIVERING AUTOMATED ORAL SUMMARY OF LEARNING ACTIVITIES 审中-公开
公开(公告)号：US20240265822A1
公开(公告)日：2024-08-08
申请号：US18164412
申请日：2023-02-03
申请人： Chegg, Inc.
发明人： Vincent LE CHEVALIER
IPC分类号： G09B5/04
CPC分类号： G09B5/04
摘要： In an embodiment, a method for automatically providing an oral summary based on learning activities includes obtaining data associated with one or more learning activities of a user on the online education platform, the data indicating one or more content items associated with the learning activities; extracting one or more concepts associated with the learning activities of the user; generating a text content record based on the one or more extracted concepts; generating an oral summary of the one or more extracted concepts based on the text content record; receiving, from one or more client devices associated with the user, physiological data of the user; detecting a triggering event based at least in part on the physiological data; and in response to detecting the triggering event, sending the oral summary to the one or more client devices for streaming to the user.

19. 发明授权

US11847404B2 Authenticated access to accredited testing services 有权
公开(公告)号：US11847404B2
公开(公告)日：2023-12-19
申请号：US17684418
申请日：2022-03-02
申请人： Chegg, Inc.
发明人： Vincent Le Chevalier , Charles F. Geiger
IPC分类号： H04L29/06 , G06F40/106 , G06F16/25 , G06F16/958 , G06F40/58 , G06F40/242 , G06F40/186 , G06F40/103 , G06F21/44
CPC分类号： G06F40/106 , G06F16/254 , G06F16/958 , G06F21/44 , G06F40/103 , G06F40/186 , G06F40/242 , G06F40/58
摘要： A service control system controls access to secured online testing services, such as accredited or standardized tests, examinations in educational courses, tutoring services, and continuing professional development courses or seminars. The secured services may be published by an educational publishing platform and made available to users through online configured browser applications executing on the users' devices. Based on access conditions associated with a secured testing service and the capturing and processing of one or more images, the service control system determines how users are authorized to access the services. When users have been authorized to access a service or a subset of the service, the service may be distributed through the browser applications executing on the users' devices.

20. 发明公开

US20230376675A1 PRODUCING AUTOMATED SENSORY CONTENT AND ASSOCIATED MARKERS IN HTML DOCUMENT PUBLISHING 审中-公开
公开(公告)号：US20230376675A1
公开(公告)日：2023-11-23
申请号：US18200670
申请日：2023-05-23
申请人： Chegg, Inc.
发明人： Vincent LE CHEVALIER
IPC分类号： G06F40/117 , G06F40/14 , G06F3/0483 , G06F40/40
CPC分类号： G06F40/117 , G06F40/14 , G06F3/0483 , G06F40/40
摘要： A sensory content production system generates sensory associated with concepts identified in an electronic document. Definitions of each concept are identified, and the concepts are stored in connection with their associated definitions. Sensory content is generated for the concepts and concepts definitions and stored in connection with each other in a sensory content layer. Availability of sensory content is indicated to users by interactive markers.

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