Abstract: An extraction device for the composite graph in a fixed layout document comprising: a document parsing unit, for parsing the fixed layout document, and determining the primitives of the fixed layout document and their types; a layer generation unit, for extracting text primitives so as to form a text layer, and using the rest non-text primitives to form a non-text layer; a page analysis unit, for processing the text layer and the non-text layer with page analyses respectively; a block generation unit, for generating a text block in the text layer and a graph block in the non-text layer; a correlation block determination unit, for determining text blocks correlating to every graph block and merging those correlated text blocks and graph blocks into a composite graph block; an identifier storage unit, for storing the identifiers of all the primitives contained in the composite graph block.

Abstract: A server, comprising a communication unit for receiving a user identifier and a unique identifier of digital content to be transferred from a first terminal, and feeding back intermediate information to the first terminal, and for receiving intermediate information and second terminal device information from a second terminal, and sending a license to the second terminal; a rights acquisition unit for acquiring rights information of the digital content to be transferred; a generation unit for generating the intermediate information; an authentication unit for authenticating the intermediate information from the second terminal; a license generation unit for generating a license. Information may be generated according to user identifier of the transferor and rights information of the digital content. The acceptor may gain use rights of the digital content based on received intermediate information, so that transfer flow of the digital content is optimized, leading to more convenient user operations.

Abstract: Document format processing apparatus and document format processing method are provided. The apparatus comprising: an obtaining unit for obtaining element information of a document in a first format; a parsing unit, for parsing the element information to get source data information; a conversion unit for converting the source data information to target data information of the document in a second format; a document processing unit for processing the target data information. Thus, when a document in an unsupported format is processed, what is only needed is to convert the format of source data contained in the document to a target data format, rather than thoroughly developing of the existing document processing editor, and thus complexity may be reduced; meanwhile, because it is not necessary to convert a document format using other format conversion tool, implementation cost and time consumed may be reduced.

Abstract: Apparatus for optimizing the description of contents in a layout document is disclosed. The apparatus comprises: a parsing unit, for paring the content of an original layout document to obtain text graphic unit data; an identification unit, for identifying text properties of each character of the text graphic unit data; a text node classification unit, for classifying characters of the text graphic unit data according to the text properties, and saving characters with the same text properties to the same text node along with the same text properties; a text content node classification unit, for, with respect to characters saved in each text node, saving characters on the same line or column. A terminal and a method for optimising the description of contents in a layout document are disclosed.

Abstract: The present invention provides an apparatus for logically processing a composite graph in a formatted document, the apparatus comprising: a composite graph block extraction unit, used to extract a composite graph block in the formatted document; a document parsing unit, used to parse the formatted document to obtain a text element contained therein; a cutline element extraction unit, used to extract a cutline element from the text element; a correlativity detection unit, used to detect correlativity between the composite graph block and the cutline element; a correlativity storage unit, used to store the detected correlativity. The present invention also provides a method for logically processing a composite graph in a formatted document. According to the technical scheme disclosed in the present invention, it is easily achieve layout understanding of the composite graph in a graph-text mixed layout of the formatted document, so as to avoid a logical error.

Abstract: A logic process apparatus for composite graphs in a fixed layout document is provided in this invention, comprising: a composite graph block extraction unit, for extracting composite graph blocks from the fixed layout document; a document parsing unit, for parsing the fixed layout document to obtain text primitives contained therein; a legend primitive extraction unit, for extracting legend primitives from the text primitives; a correlation detection unit, for detecting correlations between the composite graph blocks and the legend primitives; a correlation storage unit, for storing the detected correlations. A logic process method for composite graphs in a fixed layout document is also provided.

Abstract: An apparatus for preventing replay attacks and a method for preventing replay attacks are provided in this invention, wherein the apparatus for preventing replay attacks comprises: an acquisition unit for, when a request for operating a digital content is received, acquiring current location information of a set of placeholder files; a determination unit for determining whether the current location information is consistent with recorded location information of the placeholder file; a protection unit for, when inconsistent as determined by the determination unit, wherein there is a correspondence between the digital content and the set of placeholder files.

Abstract: Disclosed are a method and a device for processing the structure of a layout file, comprising: obtaining document content structure information and/or document layout exhibition information of the layout file; dividing document contents of the layout file into content blocks according to the document content structure information and/or the document layout exhibition information; and creating document flow information of the layout file according to the divided content blocks.