Abstract: A method for identifying a table in a digital file includes extracting lines from a layout of the digital file, wherein the lines comprise horizontal lines and vertical lines. The method also includes identifying intersected line groups, wherein each intersected line group comprises a horizontal line of the extracted horizontal lines and a vertical line of the extracted vertical lines, the horizontal line and the vertical line intersecting with each other. The method further includes determining whether the number of intersected line groups is larger than a first threshold. If yes, the method further includes identifying an area in which the intersected line groups are located as a table area. If no, the method further includes performing vertical projection on characters in the area, and identifying the area as a table area based on results of the vertical projection.

Abstract: A system for data task processing includes a master server, a client server, and a plurality of destination servers. The master server may be configured to receive a task assignment request from the client server, transmit the task corresponding to the task assignment request to the client server, and receive a processing result of the task from the client server. The client server may be configured to receive a task from the master server and parse the task to obtain task parameters of the task. The task parameters may include a type of the task. The client server may further be configured to transmit the task parameters to one of the destination servers according to the type of the task. The destination servers may be configured to process tasks of different types.

Abstract: A method for updating an authorization of electronic information includes receiving, by an authorization updating server, first information from a user equipment requesting for updating authorization items, wherein the first information includes first identification information and a first list of authorization items requested to be updated, determining a second list of authorization items stored in the authorization updating server that correspond to the first identification information, comparing the first list of authorization items and the second list of authorization items and determining a third list including authorization items that are listed in both the first list and the second list of authorization items, and transmitting the third list of authorization items to the user equipment.

Abstract: The present disclosure describes methods, systems, and apparatuses for transmitting digital content to improve the success ratio of the transmission. The method may include: receiving a resource request transmitted from a first client terminal; searching in stored digital objects and stored certificate files for a first digital object and a first certificate file matching the resource request, respectively; and transmitting the first digital object and the first certificate file to the first client terminal to enable the first client terminal to decrypt the received digital object using the received first certificate file to obtain corresponding digital content.

Abstract: A method of authenticating an online read right of a digital content includes: receiving an online read first request from a terminal, the first request including first user information, obtaining first right information corresponding to the first user information, generating a first right model, obtaining first certificate information corresponding to the first right model, generating a second request including the first right model and the first certificate information, and authenticating the first certificate information and M function rights in the first right model.

Abstract: This application discloses methods, systems, and servers for digital right management. One such method may include the steps of: combining content of multiple digital files selected by a user into a new digital file; encrypting the new digital file and generating authorization information according to a key used in the encryption and information of a client where the user logs in; and transmitting the authorization information to the client to instruct the client to use the new digital file based on the authorization information. In some embodiments, contents of multiple digital files selected by a user may be combined into a new digital file, and authorization information for the new digital file may be transmitted to the client, thus achieving authorization for digital works from multiple sources.

Abstract: A method and an apparatus for saving a document are disclosed. The method comprises combining data which have been modified but not saved and incremental saving data to be combined. The method further comprises replacing the incremental saving data with the combined data.

Abstract: A method for controlling read rights of digital contents includes receiving, by a first service node, digital content information from a second service node implemented by a second server, wherein the digital content information includes digital contents and read rights of the digital contents, and both the first service node and the second service node are service nodes authenticated by a root service node, transmitting, by the first service node, a verification request to the root service node to verify whether the digital content information is authorized by the root service node, and parsing, by the first service node, the digital content information to obtain the digital contents and the read rights of the digital contents if a verification result shows that the digital content information is authorized by the root service node. An apparatus and system for implementing the method are also provided.

Abstract: A method for displaying an electronic document includes obtaining a reading mark of the electronic document, which is recorded at a last display of the electronic document; identifying a content of the electronic document corresponding to the reading mark under a current reading mode; and displaying the identified content. A reading device that performs the disclosed method is also provided.

Abstract: A method for digital content security cooperation, including: creating, by a first content possessing device, a cooperation content packet of digital contents and transmitting the created cooperation content packet to at least one of a second content possessing device or a first content cooperating device, wherein the cooperation content packet includes an attribute data block and a content data block; and performing, by the first content cooperating device receiving the cooperation content packet, privilege verification according to the cooperation content packet, and after the privilege verification is passed, updating the information in the content data block in the cooperation content packet, and transmitting the cooperation content packet including the updated information to at least one of a second content cooperating device or the first content possessing device.

Abstract: A digital right management method, including: encrypting, by a first user equipment which has access right to shared digital contents, a key of the digital contents with at least an equipment key of a second user equipment intended to share the digital contents to generate a ciphertext of the key of the digital contents; generating, by the first user equipment, from the ciphertext a new authorization certificate corresponding to the digital contents; and transmitting, by the first user equipment, the new authorization certificate and the digital contents to the second user equipment to instruct the second user equipment to share the digital contents in accordance with the new authorization certificate.

Abstract: A digital right management method, including: generating, by a first user equipment having access right to shared digital contents, a common public key based on one or more public keys of one or more second user equipments intended to share the digital contents, respectively; encrypting, by the first user equipment, a key of the digital contents with the common public key to generate a ciphertext of the key of the digital contents; generating, by the first user equipment, from the ciphertext a new authorization certificate corresponding to the digital contents; and transmitting, by the first user equipment, the new authorization certificate and the digital contents to the second user equipments to instruct the second user equipments to share the digital contents in accordance with the new authorization certificate.

Abstract: A digital rights management service control method, including: receiving an authorization file request transmitted from a client terminal for a selected service operation; obtaining an authorization file template matching an authorization type included in the authorization file request; generating, based on the obtained authorization file template, an authorization file including digital resource feature information included in the authorization file request and rights feature information; and transmitting the generated authorization file to the client terminal.

Abstract: A method for processing data of a scanned book having a plurality of pages is disclosed. The method includes obtaining page image data from a page. The method further includes segmenting and recognizing the page image data to obtain locations of rectangular boxes corresponding to the respective characters and text codes for the respective characters. The method also includes obtaining respective aggregated character line information for each line of characters. The method further includes adjusting the rectangular boxes in accordance with the obtained aggregated character line information.

Abstract: Systems and methods for processing an electronic document are provided. The method comprises segmenting the electronic document based on content of the electronic document and structuring the segmented electronic document into a format for displaying on a reading terminal based on a request received from the reading terminal.

Abstract: A method for extracting a document structure is disclosed. The method may include determining a position of reference information in a layout file, and extracting items related to the reference information from the determined position of the layout file. An apparatus for extracting a document structure is also disclosed. The apparatus may include a processor configured to determine a position of reference information in a layout file; and to extract items related to the reference information from the determined position of the layout file. The apparatus may further include a storage device configured to store the extracted items.

Abstract: Methods, apparatuses, and computer readable media are disclosed for processing content information in an online environment. The method may comprise receiving a request for a copying operation to copy displayed contents in a selected area of a display page. The request may include area information associated with the selected area and page identification information associated with the display page. The method may also comprise obtaining a layout page in a layout file stored on a server based on the received page identification information, the layout page corresponding to the display page. The method may further comprise searching contents corresponding to the displayed contents in the obtained layout page based on the area information and sending the contents to a client for performing the copying operation.

Abstract: A digital content counting system and a method thereof are provided for achieving the credible transaction counting mechanism established between the owner of copyrights and the seller, to make the owner of copyrights and the seller collectively confirm the transaction information of the digital contents.

Abstract: A digital content rights management method and system belongs to the digital content rights management technique field. The method of the invention includes the steps: registering the system, generating the time stamp, verifying the time stamp when the system starts up, acquiring the certificate, verifying the time before accessing the digital content. The system of the invention comprises a device for accessing the digital content and a server, wherein the device for accessing the digital content comprises: a registering module, a time stamp generating module, a time stamp verification module, a certificate of authorization acquiring module, and a time verification module. The method and system have solved the problem that the digital content can still be used beyond the time limit.