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53 results about "Digital textbook" patented technology

A digital textbook is a digital book or e-book intended to serve as the text for a class. Digital textbooks may also be known as e-textbooks or e-texts. Digital textbooks are a major component of technology-based education reform. They may serve as the texts for a traditional face-to-face class, an online course or degree, or massive open online courses (MOOCs).

AI digital textbook interaction method and device based on knowledge graph enhancement and medium

The invention discloses an AI digital textbook interaction method and device based on knowledge graph enhancement and a medium, and can be applied to the technical field of artificial intelligence and education fusion. According to the method, after the digital textbook knowledge graph and the vector retrieval library are constructed according to the digital textbook content and the heuristic education large model is constructed according to the teacher teaching corpus, the personalized learning path recommendation information of the students is generated according to the digital textbook knowledge graph, the vector retrieval library and the real-time interaction behavior data; therefore, a systematized knowledge network and a learning path can be provided for students, reply statements corresponding to the question text are generated according to the question text, the digital textbook knowledge graph, the vector retrieval library and the heuristic education large model, and intelligent question answering can be performed in real time. And generating teaching record suggestion information according to the teaching design demand information and the digital textbook knowledge graph to provide intelligent teaching suggestions for teachers.
Owner:SOUTH CHINA NORMAL UNIV

Multi-modal digital textbook content examination method and device

The invention discloses a multi-mode digital textbook content examination method and device, and relates to the technical field of digital education. The method comprises the following steps: acquiring digital textbooks on the Internet, and constructing digital textbook resources; marking the digital textbook resources to obtain marked digital textbook resources; dividing the marked digital textbook resources into qualified resources and unqualified resources, and constructing a multi-modal training sample; processing the multi-modal training sample to obtain a plurality of single-modal feature vectors; carrying out fusion by adopting a three-layer cross attention fusion mechanism to obtain a multi-modal feature vector; constructing an initial multi-modal classification model; based on the multi-modal feature vector, a training method based on a neural network is adopted for training, and a trained multi-modal classification model is obtained; and inputting the obtained digital textbook to be examined into the trained multi-modal classification model for examination to obtain an examination result. According to the invention, the accuracy of the examination result can be improved.
Owner:BEIJING LANGUAGE AND CULTURE UNIVERSITY

Digital textbook editing and transmitting system with multilayer architecture

The invention discloses a digital textbook editing and transmitting system with a multilayer architecture. The digital textbook editing and transmitting system comprises a virtual node modeling module, a lightweight storage module, a function editing module, a resource ecological module and a client module, the virtual node modeling is as follows: Slate is used to construct a virtual node model containing elements such as texts, pictures, formulas, interaction components and the like, and each node carries content attributes, hierarchical relationships and interaction instructions; the lightweight storage module is used for converting a virtual node into a JSON format through global-jsdom after a user completes editing, and classifying binary files in the node into resource nodes in an editor. The invention relates to the technical field of data transmission, adopts an AES encryption transmission technology, avoids the data leakage risk caused by plaintext transmission, and improves the data transmission efficiency. And the digital asset security of the publisher and the user is effectively protected. Through node compression storage (JSON format), the server side can classify and store the JSON data, the data volume is greatly reduced, the storage space multiplexing is improved, and the transmission efficiency is improved.
Owner:LIAONING CENTURY YUNCHUANG DIGITAL TECHNOLOGY DEVELOPMENT CO LTD

Digital teaching material intelligent generation system based on digital education

The invention relates to the technical field of digital education, in particular to a digital teaching material intelligent generation system based on digital education, which comprises an education resource acquisition module, a knowledge graph construction module, a teaching material content generation module, a knowledge tracking module and a teaching material presentation module, according to the method, a graph embedding method based on a hyperbolic space graph convolutional network and a hierarchical clustering algorithm with improved robustness are introduced, low-dimensional embedding and multilayer structure optimization are performed on an initial knowledge graph, and an educational knowledge graph with a semantic hierarchical structure is constructed; a graph structured learning behavior modeling method is introduced, a student-knowledge point heterogeneous graph structure is constructed, a heterogeneous graph convolutional network is adopted to model interaction behaviors of students and knowledge points, a knowledge state graph of each student is obtained, and the accuracy of individual knowledge mastery degree modeling is improved.
Owner:JIANGXI NORMAL UNIV

Transform-based digital textbook automatic hierarchical design method

The invention discloses a Transform-based digital textbook automatic hierarchical design method. The method comprises the steps of obtaining digital textbook content, performing structured analysis, dividing the digital textbook content into a plurality of content units, and allocating a unique identifier; an improved Transform model is input, semantic modeling is executed, the cognitive hierarchy is controlled, and folding representation is generated; based on the folded semantic representation, initial layering is executed, a layered structure is constructed, and a sequence and hierarchical relationship is generated; constructing a self-evolution hierarchical decision maker, detecting conflicts in a hierarchical structure, and identifying a hierarchical inconsistent relationship; re-executing hierarchical processing based on the conflict relation updating rule to generate an updated hierarchical structure; and performing disturbance processing on the textbook structure, repeating modeling and layering processes, and verifying a hierarchical stability result. According to the method, the stable and automatic hierarchical design of the digital textbook is realized by improving Transform semantic modeling and self-evolution hierarchical decision.
Owner:NANJING INST OF RAILWAY TECH

Digital textbook income distribution intelligent contract method supporting dynamic weight

The invention discloses a digital textbook income distribution intelligent contract method supporting dynamic weight, and belongs to the field of block chain and digital education fusion. The method is deployed in a block chain network and comprises the core steps that multi-source heterogeneous data collection and credible chaining are carried out, and multi-dimensional data such as use intensity and user feedback are credibly transmitted to a chain through an oracle machine; a comprehensive popularity index is calculated on the chain, and a credible index reflecting the teaching material value is generated through normalization and weighted aggregation; the income weight is dynamically adjusted based on the popularity index, and the weight is updated in an epochical manner through various adjustable functions; and after the sales event is triggered, automatically completing atomization income distribution and full-link auditing. According to the method, a traditional static sharing mode is broken through, the income distribution and the dynamic presentation of the teaching materials are accurately linked, the distribution fairness and efficiency are improved, the trust cost is reduced, high-quality content creation is effectively stimulated, and an intelligent value distribution infrastructure is provided for digital education ecology.
Owner:YUNNAN NEWTA TECHNOLOGY CO LTD

Digital textbook generation resource optimization scheduling method and system based on big data

The invention relates to the technical field of educational resources, in particular to a digital textbook generation resource optimization scheduling method and system based on big data, and the method comprises the steps: 1, data collection and preprocessing; step 2, feature modeling and demand prediction; step 3, resource matching and optimization; step 4, resource scheduling and balancing; 5, teaching material generation and verification; by introducing quantum state coding normalization and time sequence data filling based on the generative adversarial network, multi-source data can be processed more accurately, the data quality is improved, in addition, the knowledge mastery degree is calculated by constructing the multi-dimensional feature vector containing the emotion feature and the learning style feature and adopting the knowledge association model based on quantum entanglement, and the knowledge mastery degree is improved. And a learning path is predicted based on a mixed model of the graph attention network and the time sequence convolutional network, so that the requirements of learners can be known more comprehensively and deeply, and the accuracy and pertinence of resource matching are greatly improved.
Owner:SHANDONG SMAIR DIGITAL TECHNOLOGY CO LTD

Dynamic digital textbook supervision system and method with separated structure and content

The invention discloses a structure and content separated dynamic digital textbook supervision system and method, and aims to ensure that digital textbooks have supervision while polymorphic development based on cloud service and block chain technologies from the perspective of a publishing mechanism, and meet the requirements of education quality and standardization. In the use process, the man-machine collaborative auditing module firstly extracts digital textbook components from the data storage module based on the collaborative work of artificial intelligence and human supervisors, and examines the quality and content structure of the digital textbook before publishing; the textbook which is examined to be qualified is published by the digital publishing module, and the user can supervise the digital textbook through the crowdsourcing supervision updating module in the using process. The method is applied to the field of digital textbook generation and publishing, and aims to ensure that diversified digital textbooks are strictly and uniformly audited and supervised.
Owner:BEIJING NORMAL UNIVERSITY

Computer for teacher digital textbook editing graphical user interface

1. The name of the design product: computer for teacher digital textbook editing graphical user interface. 2. The use of the design product: for teacher digital textbook editing. 3. The design points of the design product: the content of the graphical user interface in the screen. 4. The picture or photo that best indicates the design points: front view. 5. Because the computer is a common design, the rear view, left view, right view, top view, and bottom view are omitted. 6. The use of the graphical user interface: for teachers or textbook editors to use the platform to write and design textbooks. The graphical user interface shown in the front view is a dashboard page, which displays the functions of all textbooks, textbook creation, team creation, textbook editing, textbook review, textbook completion, and data statistics in the upper part, and displays the information corresponding to the columns in the upper part in the lower part. Click on "All Textbooks" in the dashboard page, and the lower part will display all textbook information. Click on "Textbook Creation" in the dashboard page, and a pop-up window will display the creation column. See the interface change state diagram.
Owner:BEIJING VOCATIONAL COLLEGE OF ECONOMICS & MANAGEMENT (BEIJING MANAGER COLLEGE)

Educational support system and educational support method

To further improve the comfort when using digital content data for education. [Solution] An education support system according to an embodiment includes a server device, a terminal device, and a communication management device. The server device has a database storing educational content data, including digital textbooks. The terminal device is connectable to an on-premise network of an educational facility and is configured to make the content data available. The communication management device manages communications between the on-premise network and the server device. The communication management device also has a cache function that acquires at least a portion of the content data from the server device and temporarily stores it as cache data. When a request to use the content data is received from a terminal device connected to the on-premise network, the communication management device causes the terminal device to use the cached data of the content data in response to the request.
Owner:YE DIGITAL CORP

Application method and device of digital textbook, equipment, storage medium and computer program product

The invention discloses a digital textbook application method and device, equipment, a storage medium and a computer program product, and relates to the technical field of AR, and the method comprises the steps: receiving a target picture sent by a client, the target picture being obtained by the client through AR recognition; performing feature recognition on the target picture to obtain a feature recognition result of the target picture; and obtaining a target resource corresponding to the target picture based on the feature recognition result, sending the target resource to the client, and providing the target resource to a target user by the client. According to the invention, based on the scanned target picture, picture recognition is carried out through the AR technology to obtain the target resource, and the use flexibility of the digital textbook can be improved.
Owner:SHANGHAI MEDICAL SCHOOL

Intelligent digital textbook generation method and system based on generative artificial intelligence

The application provides a wisdom digital teaching material generation method and system based on generative artificial intelligence, relates to the technical field of generative artificial intelligence, and first collects an initial subject knowledge corpus set and a preset cognitive gradient evolution template, performs latent semantic space mapping and knowledge atomization cutting processing on the corpus set, is reconstructed into a basic cognitive atomic unit, and is given an encoding mark and extracts a semantic feature vector. Then, a cognitive conflict network between the basic cognitive atomic units is constructed, a pre-trained model is called to perform text content deepening and cognitive guidance question generation processing driven by cross-concept thinking conflict, and a strengthened cognitive atomic unit set is obtained. Finally, dynamic cognitive path planning is performed according to the strengthened cognitive atomic unit set and the cognitive conflict network, a wisdom digital teaching material file with a nonlinear thinking transition path is generated, the personalized learning needs of students are met, and the learning effect is improved.
Owner:BEIJING VOCATIONAL COLLEGE OF ECONOMICS & MANAGEMENT (BEIJING MANAGER COLLEGE) +1

A digital textbook layout dynamic reconstruction and structured processing method

The application discloses a kind of digital teaching material format dynamic reconstruction and structured processing method, it is related to data processing technical field, the method of the present application includes: response mouse movement, constructs translation transformation matrix and renders interactive handle to source node side;Click handle locks source node, extracts identifier and attribute and is encapsulated as lock state data packet;Drag start from abstract syntax tree and extract structured slice data packet;Drag calculates longitudinal space ratio to judge insertion drop point in middle, calls interface and verifies structure legality and dynamically displays auxiliary line;Response placement event creates atomic transaction, executes position mapping and format dynamic recalculation, completes business data lossless insertion;Finally, outline directory tree in side bar is synchronized, and smooth scrolling viewport is to final target drop point.The present application effectively prevents data loss and typesetting collapse when complex nested document is dragged and reorganized, realizes multi-column component adaptive isometric width scaling, and precise linkage of global view interface.
Owner:BEIJING LIGONGDAXUE PRESS CO LTD

Digital textbook management and control method and system

The invention discloses a digital textbook management and control method and system. The method is applied to the digital textbook management and control system. Comprising the steps that when a target digital textbook is uploaded to a cloud computing platform in response, metadata of the target digital textbook is extracted, a label of the target digital textbook is generated in combination with a preset analysis strategy, and the metadata of the target digital textbook is updated; dividing the target digital textbook into a plurality of data blocks, and distributing the data blocks to different storage nodes to form distributed storage data fragments; when the content of the target digital textbook is updated or modified in response, generating a second version number of the target digital textbook based on the metadata and the multi-field index generated by the data fragmentation, and performing distributed storage on the target digital textbook after the content is updated or modified according to the second version number; through the distributed storage mode of the cloud computing platform, the storage space is expanded, the data security is improved, and under the content updating scene of the digital textbook, the accurate updating of the storage resources corresponding to the digital textbook is realized, and the management and control capability of the system is enhanced.
Owner:UBTECH ROBOTICS CORP LTD

Multi-dimensional cognitive state vector simulation agent digital textbook dynamic adaptability evaluation method

The application provides a multi-dimensional cognitive state vector simulation agent digital textbook dynamic adaptability evaluation method, and relates to the technical field of artificial intelligence assisted education. The method comprises the following steps: extracting teaching entities and semantic relationships between the entities in a source file of a digital textbook to be evaluated through a multi-modal analysis model, and constructing a knowledge graph; initializing multiple groups of virtual learning agents based on a pre-trained large language model, and configuring differentiated cognitive state vectors for each group of virtual learning agents; driving each group of virtual learning agents to traverse the teaching knowledge graph according to a topological sorting by using a knowledge boundary mask mechanism, obtaining understanding feedback of each node by each group of virtual learning agents, and generating confusion degrees and thought chains in the understanding feedback process; calculating a cognitive block index and an adaptability distribution curve of the source file of the digital textbook by using a weighted summation algorithm, and generating an evaluation report. The application simulates human cognitive processes by using a large language model agent, and evaluates the quality and adaptability of a digital textbook.
Owner:BEIJING UNION UNIVERSITY

A three-layer structured design method and device for digital textbooks

The present application provides a three - layer structured design method and device for digital textbooks, which relates to the technical field of data processing. The present application obtains a target paragraph of a target version of a textbook; establishes first paragraph data including the paragraph content of the target paragraph and the first encoding of the target paragraph; queries target recognition information that matches the content of the target paragraph from preset second - level structure information; obtains target teaching resources of the target recognition information; establishes a first association relationship between the first encoding and the target recognition information; and generates digital content of the target paragraph according to the first paragraph data, the first association relationship, and the target teaching resources. In this way, it is possible to search for target recognition information in the second - level structure information according to the paragraph content of the target paragraph, and call the target teaching resources through the target recognition information. For the same paragraphs in multiple versions of textbooks, the target teaching resources can be directly called through the second - level structure information, without the need to repeatedly create teaching resources separately for the same paragraph content in different versions.
Owner:BEIJING RENJIAO HOPE NETWORK INFORMATION TECH CO LTD

Education support system, ar system, education support method, and program

To provide a technique capable of appropriately supporting learning with a simple configuration when teaching face-to-face.SOLUTION: An education support system includes: a score information database that stores a degree of understanding of a digital textbook for each student; and an AR system having an AR (Augmented Reality) glass that a teacher wears. The AR system includes: a selection receiving unit configured to receive selection of a target student who is a student to be displayed; and a display control unit that displays a browsing page that is a page being browsed in the digital textbook in different colors in accordance with the degree of understanding of the received target student. The selection receiving unit receives selection of the target student by the line of sight of the teacher.SELECTED DRAWING: Figure 1
Owner:NEC PLATFROMS LTD

Editing method and system of digital textbook

The invention discloses a digital textbook editing method and system, and the method comprises the steps: firstly obtaining the editing content of a target editing subject, including the content of characters, charts and the like which can take paper materials as media, and the multimedia resources of audios, videos, animations and the like, and then integrating the multimedia resources to a pre-constructed digital textbook editing and creating platform, the text content and the multimedia resources are edited and typeset through the digital textbook editing and creating platform, the digital textbook integrating various forms of contents such as characters, charts, audios and videos is generated, integration of various resources is achieved, multi-sensory stimulation can be given to readers, the learning interest can be stimulated, the continuity of learning resources is improved, and the learning efficiency is improved. Therefore, the immersion and fluency of learning are enhanced, and the learning effect is effectively improved.
Owner:BEIJING RENJIAO HOPE NETWORK INFORMATION TECH CO LTD

A digital textbook storage method based on blockchain

The present application discloses a digital textbook evidence storage method based on blockchain, including: obtaining the original digital textbook file and the digital textbook sub-file; obtaining the attribute information, hash value, creation information and file address of the original digital textbook file and the digital textbook sub-file to obtain evidence storage information; uploading the evidence storage information to the blockchain and storing it through the blockchain service to obtain the on-chain information; writing the evidence storage information and the on-chain information into a PDF file to obtain the evidence storage file certificate, digitally signing the evidence storage file certificate to obtain the digital textbook evidence electronic certificate. This solution utilizes blockchain and digital signature technology to make the evidence storage process open and transparent, the evidence storage records traceable, and cannot be tampered with, and has strong credibility.
Owner:ZHONGJIAO YUNZHI DIGITAL TECH CO LTD

Smart classroom system, electronic devices and storage media based on digital textbook platform

This invention relates to a smart classroom system, electronic device, and storage medium based on a digital textbook platform. The system includes: a classroom environment construction module for building an online classroom environment, including student and teacher classroom environments; a teaching content processing module for generating teaching plans based on uploaded courseware or selected digital textbook content; a teaching activity provision module for matching corresponding teaching activities according to uploaded courseware or selected digital textbook content and generating corresponding teaching activity content; an activity data monitoring module for real-time monitoring of classroom data and processing it into corresponding indicator data according to preset indicators; and a feedback data module for generating teaching feedback data based on the indicator data of the teaching plan and / or teaching activities. This invention simplifies the teacher's operation process, provides rich and easy-to-use teaching resources, improves classroom teaching efficiency, and enhances teaching effectiveness.
Owner:HIGHER EDUCATION ELECTRONIC AUDIO & VIDEO PUBLISHING HOUSE CO LTD

Digital textbook data protection method and device based on USB flash disk

The invention discloses a digital textbook data protection method and device based on a USB flash disk. In the scheme, a starting operation instruction of a digital textbook client is received; the starting operation instruction carries unique identification information of a digital textbook corresponding to the digital textbook client and path information of a target folder, the target folder is located in a fixed partition of a target USB flash disk, the target folder comprises a key file, and the key file is used for verifying whether the digital textbook client has starting permission or not; under the condition that the existence of the target folder is verified based on the path information, acquiring a key file in the target folder; and if the identification information in the key file is matched with the unique identification information of the digital textbook, determining that the digital textbook client has a permission to start, and allowing the digital textbook client to read the digital textbook data from the read-write operation partition. According to the technical scheme, the security of the digital textbook data is improved, and the copyright security of the digital textbook data is effectively guaranteed.
Owner:BEIJING RENJIAO HOPE NETWORK INFORMATION TECH CO LTD

Method and related device for skipping content hot interval in digital textbook

The invention discloses a method and a related device for skipping a content hot interval in a digital textbook, and aims to effectively select a target content hot area when a content page comprises a plurality of content hot areas which can be selected by a control focus in the aspect of digital textbook content display. The moving direction of the control focus is determined based on the acquired moving control signal from the remote controller, and the control focus is moved to the content hot area in the direction. Since the distribution of the content hot areas in the digital textbook page is irregular, the content hot areas are divided into different hot area distribution types, the candidate content hot areas are determined based on the target content hot area determination mode corresponding to the current area distribution type of the first content hot area, and the control focus is skipped to the target content hot area. According to the method, hot area distribution types of the content hot areas which are arranged complexly are distinguished, and corresponding target content hot area identification methods are constructed for different types of content hot area distribution, so that accurate identification of the content hot areas which are arranged complexly in the digital textbook is realized.
Owner:BEIJING RENJIAO HOPE NETWORK INFORMATION TECH CO LTD

A digital teaching material writing method and system based on action logic

The present invention relates to the field of educational technology, and specifically to a method and system for writing digital teaching materials based on action logic. The present invention first obtains the teaching material demonstration page of the digital teaching material to be processed based on action logic at each demonstration moment, and all texts and all pictures in each teaching material demonstration page; then all teaching material demonstration pages are segmented to obtain all demonstration stages; then the learning stage of each demonstration stage is determined; finally, all teaching material demonstration pages in the corresponding demonstration stage are written and optimized according to different learning stages. The present invention divides the demonstration stage by capturing the content changes of different teaching material demonstration pages and the demonstration moments, and identifies and judges the learning stage for each demonstration stage, aiming to optimize the presentation of specific content in different learning stages based on the typical learning work links of the action logic of student learning, and improve the writing effect of the digital teaching material to be processed.
Owner:BEIJING QUANDAOZHIYUAN INST OF EDUCATIONAL TECH

Cloud-based digital teaching material online editing and viewing platform and editing method

The invention discloses a cloud-based digital textbook online editing and viewing platform and an editing method, and belongs to the technical field of digital textbooks, a cloud server comprises a digital textbook storage module for receiving uploaded digital textbooks and teaching documents, converting the teaching documents into standard formats and storing the teaching documents; the digital teaching material printing module firstly generates a unique printing two-dimensional code for the digital teaching material, then obtains the digital teaching material in a scanning mode, and finally sends the digital teaching material to a printer for printing; the Web client comprises a digital textbook editing module which is used for creating a digital textbook by utilizing the teaching document or editing the existing digital textbook as required; and the digital textbook reading module is used for reading the digital textbook by utilizing a Web server or meta universe equipment. The technical problems that an existing digital textbook lacks flexible cross-platform compatibility, content updating is difficult, the personalized customization capacity is insufficient, and the resource form is single are solved.
Owner:TIANJIN MORNINGSTAR YUXIN TECHNOLOGY CO LTD +1

Digital textbook modularization method taking optical disc as carrier and related equipment

The invention discloses a digital textbook modularization method with an optical disc as a carrier and related equipment. According to the method, firstly, the paper textbook is digitally processed, after a resource data set is obtained, the resource data set is stored according to a digital textbook function module, a static data packet corresponding to the digital textbook function module is obtained, and then the static data packet is stored according to the size of the digital textbook function module. And selecting required resource data from the static data packet for storage, finally recording the digital teaching material function module into the optical disc, and configuring an optical disc starting program in the optical disc. In the process, the digital textbook function module is arranged, so that the digital textbook can be modularized so as to be conveniently recorded to the optical disc, meanwhile, an optical disc starting program is configured, the digital textbook function module can be quickly started, digital textbook data and corresponding applications can be quickly started, and the use efficiency is improved.
Owner:BEIJING RENJIAO HOPE NETWORK INFORMATION TECH CO LTD

A method and system for facilitating doubt resolution with notification within an interactive digital textbook

Presented is a method and system for facilitating doubt resolution within a class of students using an interactive digital textbook Notifications, along with an unread status feature, allow stakeholders comprising instructor, students, and parents to seamlessly engage in digitally enhanced learning. The clarification of doubts not only contributes to knowledge acquisition but also enriches interactions among instructors, students, and parents within the digital textbook. Timely notifications streamline communication, fostering immediate awareness and promoting a deeper understanding of subject sessions. This collaborative approach brings educational stakeholders closer, offering maximum support to learners, optimizing instructor outputs, and providing transparent insights for parents to closely monitor their children's education. The collaborative digital textbook empowers students to articulate and resolve doubts across various sections, creating an interactive and dynamic educational environment.
Owner:KAKUMANU SARATH +2

Digital textbook writing method and system based on action logic

The invention relates to the technical field of education, in particular to a digital textbook writing method and system based on action logic. The method comprises the following steps: firstly, acquiring a teaching material demonstration page of a to-be-processed digital teaching material based on action logic at each demonstration moment, and all texts and all pictures in each teaching material demonstration page; segmenting all teaching material demonstration pages to obtain all demonstration stages; the learning stage of each demonstration stage is judged; and finally, compiling and optimizing all teaching material demonstration pages in the corresponding demonstration stages according to different learning stages. According to the invention, through capturing content changes of different teaching material demonstration pages and demonstration moments, segmentation of demonstration stages is carried out, learning stage identification and judgment are carried out on each demonstration stage, and specific content optimization presentation is carried out on different learning stages based on learning typical work links of action logic learned by students. And the writing effect of the to-be-processed digital textbook is improved.
Owner:BEIJING QUANDAOZHIYUAN INST OF EDUCATIONAL TECH

A local magnification method and device for digital teaching materials

The present invention discloses a local magnification method and device for digital teaching materials, which obtains digital teaching materials in PDF format, selects a target area to be magnified from the digital teaching materials and determines the area coordinates, and when receiving a magnification instruction, converts the area coordinates into PDF page coordinates to obtain a PDF area corresponding to the target area, and gradually magnifies the PDF area according to a preset magnification amplitude until the magnified area reaches the maximum length and / or maximum width that the screen can accommodate, stops the magnification operation, and moves the magnified area to the center of the screen. The digital teaching materials in the present invention use PDF as a carrier, and magnify the PDF area corresponding to the target area to achieve magnification of the target area. Since the fonts in the digital teaching materials in PDF format are vector fonts, and the actual size of the vector fonts can be arbitrarily scaled without deformation or blurring, the present invention can also ensure that the content in the magnified area is clear after the target area is magnified, thereby facilitating teaching and learning.
Owner:BEIJING RENJIAO HOPE NETWORK INFORMATION TECH CO LTD

A method for updating digital teaching material data using optical disk as carrier and related equipment

The present application discloses a method and related equipment for updating digital teaching material data using an optical disc as a carrier. In the above method, after first digitizing the paper teaching material, after obtaining the resource data set, the resource data set is stored according to the directory structure to obtain a static data packet, and then the static data packet is burned into the optical disc, and the optical disc startup program is configured, and finally the optical disc startup program is executed, and the data is updated according to the optical disc digital teaching material client in the optical disc. In this process, firstly, the digital teaching material data is burned into the optical disc, and the optical disc startup program is configured, which can meet the teaching application requirements of the digital teaching material in the networkless environment, and secondly, the data is updated according to the optical disc digital teaching material client in the optical disc, which can realize the networking update and data upgrade of the local digital teaching material client, and realize the digital teaching material disk network fusion application.
Owner:BEIJING RENJIAO HOPE NETWORK INFORMATION TECH CO LTD