WO2002103554A1 - Procede de traitement de donnees, programme de traitement de donnees et appareil de traitement de donnees - Google Patents
Procede de traitement de donnees, programme de traitement de donnees et appareil de traitement de donnees Download PDFInfo
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- WO2002103554A1 WO2002103554A1 PCT/JP2002/005880 JP0205880W WO02103554A1 WO 2002103554 A1 WO2002103554 A1 WO 2002103554A1 JP 0205880 W JP0205880 W JP 0205880W WO 02103554 A1 WO02103554 A1 WO 02103554A1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F40/00—Handling natural language data
- G06F40/10—Text processing
- G06F40/12—Use of codes for handling textual entities
- G06F40/137—Hierarchical processing, e.g. outlines
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F40/00—Handling natural language data
- G06F40/10—Text processing
- G06F40/103—Formatting, i.e. changing of presentation of documents
- G06F40/106—Display of layout of documents; Previewing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F40/00—Handling natural language data
- G06F40/10—Text processing
- G06F40/12—Use of codes for handling textual entities
- G06F40/14—Tree-structured documents
- G06F40/143—Markup, e.g. Standard Generalized Markup Language [SGML] or Document Type Definition [DTD]
Definitions
- the present invention relates to a data processing method, a data processing program, a data processing device, structured data, a computer-readable recording medium on which the structured data is recorded, and a transmission device, and more particularly to processing electronic data having a P-layer structure.
- the present invention relates to a data processing method, a data processing program, a data processing device, structured data, a computer-readable recording medium on which the structured data is recorded, and a transmission device.
- SGML Standard Generalized Markup Language: quasi-generalized
- XML Extensible Markup Language
- XML has been widely used in recent years for electronic documents and electronic data exchanged on the Internet.
- the DOM format is a processing method that reads all the target electronic data, grasps the hierarchical structure of all elements in the electronic data, and then accesses each element of the electronic data. For example, if there is electronic data with a hierarchical structure as shown in Fig. 16, once read the entire electronic data and analyze the hierarchical structure of all elements. Fig. 16 shows only the hierarchical structure of electronic data, and the text and contents are omitted. After creating a tree structure (tree structure) as shown in Fig. 17 from the electronic data having the hierarchical structure shown in Fig. 16, each element (TITLE, AUTHOR, etc.) is accessed. Therefore, the method of processing electronic data in the D0M format has the characteristic that any element can be easily accessed because the electronic data is processed after the hierarchical structure of the electronic data is grasped.
- the SAX format is a processing method in which electronic data is sequentially read from the top, and only the read elements are subjected to structural analysis and processed. Therefore, electronic day Data can be processed sequentially without waiting for analysis of the entire data. This has the advantage that there is little overhead, both in terms of processing speed and memory capacity.
- the region to be processed for electronic data having a P-layer structure is However, even when trying to read only the data, it was not possible to know the control information (tag, attribute, etc.) written in the area other than the area to be processed.
- the present invention provides a data processing method, a data processing program, a data processing device, structured data, a computer-readable recording medium recording the structured data, and a transmission device which can solve such a problem. It is intended to provide. Disclosure of the invention
- a data processing method, a data processing program, a data processing device, structured data, a computer-readable recording medium recording the structured data, and a transmission device described below are provided. Is provided.
- a data processing method further comprising:
- the block capture data includes position information of each block of the electronic data divided into a plurality of blocks, and a start position and an end position of the block.
- a data processing method characterized by including information on all members at the end position.
- the block auxiliary data includes position information of a link destination.
- the block size is determined by the processing capacity of the device that processes the electronic data, the number of characters displayed on the device screen, and the number of characters displayed.
- Ba A receiving step of requesting the block and receiving the data of the block; a reproducing step of analyzing the hierarchical structure of the block using the received block and the block auxiliary data of the block, and performing a predetermined process using the result.
- a data processing program for dividing electronic data having a hierarchical structure into a plurality of blocks and generating structured data for executing predetermined processing for each of the divided blocks, An extraction step of extracting boundary candidates at each block boundary when the electronic data is divided into a predetermined block size; a determination step of determining a block division position based on boundary candidates; each of the determined blocks Acquisition step of acquiring information indicating the characteristics of the hierarchical structure at the start position and end position of the block, the position information of the division information of each block determined in the determination step, and the hierarchy corresponding to the acquired position information Generating block auxiliary data including information indicating structural features, and adding block auxiliary data to the electronic data to generate structured data.
- Konbiyu ⁇ data, data processing program.
- a data processing program for receiving electronic data having a hierarchical structure from the server and performing predetermined processing on the electronic data, and transmitting a name of the electronic data to be subjected to predetermined processing to the server.
- Steps and electronic data from the server A reception step for receiving block auxiliary data for processing by dividing the block into a plurality of blocks, and requesting a server to transmit a block containing electronic data to be subjected to a predetermined process from among electronic data, and receiving block data.
- the received block, the received block, and the block capture data of the block to analyze the hierarchical structure of the block, and using the result to execute a reproduction step of performing a predetermined process on the computer, Processing program.
- a data processing device for processing electronic data having a hierarchical structure, wherein the electronic data is accompanied by block auxiliary data, which is auxiliary information for dividing the electronic data into a plurality of blocks for processing.
- block auxiliary data which is auxiliary information for dividing the electronic data into a plurality of blocks for processing.
- the electronic data a block containing the data to be processed, an input unit for reading the block auxiliary data, and a data structure analysis for analyzing the hierarchical structure of the read block using the block auxiliary data.
- a processing unit for performing predetermined processing using the result of the data structure analysis unit.
- a data processing device for calculating a display layout of the read block; and a display unit for displaying based on the display layout obtained by the layout calculator.
- a data processing device for receiving electronic data having a hierarchical structure from a server and performing predetermined processing on the electronic data, wherein the electronic data is processed by dividing the electronic data into a plurality of blocks.
- Block information which is auxiliary information of the electronic data, is attached to the server, and a block containing electronic data to be subjected to predetermined processing is transmitted to the server, and block data and block auxiliary data are transmitted from the server.
- a data structure analysis unit that analyzes the hierarchical structure of the received packet using the transmission / reception unit to receive, the received block, and the block auxiliary data, and a predetermined process using the result of the data structure analysis unit
- a data processing device comprising:
- the block auxiliary data shall be a link Structured data characterized by including location information.
- Structured data characterized by comprising a pair of electronic data described in accordance with the definition of a document description language and block auxiliary data for processing by dividing the electronic data into a plurality of blocks Computer readable recording medium.
- a transmission device comprising: a transmission unit configured to transmit the data processing program described in any one of (13) to (15).
- a transmission device comprising: a transmission unit that transmits the hierarchical data described in (20) or (21).
- FIG. 1 is a block diagram of a data processing device 100 according to the first embodiment of the present invention.
- FIG. 2 is a diagram showing an overview when a display device according to the first embodiment of the present invention is realized by a portable device as a specific example.
- FIG. 3 is a diagram showing a specific outline of block auxiliary data according to the present embodiment.
- FIG. 4 is a diagram specifically showing a state in which electronic data is divided into a plurality of blocks.
- FIG. 5 is a diagram showing a specific example of block assist data set for the electronic data shown in FIG.
- FIG. 6 is a flowchart showing processing of the data processing device 100 according to the first embodiment of the present invention.
- FIG. 7 is a diagram showing a specific example of data created from data for one block and block auxiliary data.
- FIG. 8 is a diagram showing a specific example of electronic data that does not completely have a hierarchical structure.
- FIG. 9 is a block diagram of a data processing device 200 according to the second embodiment of the present invention.
- FIG. 10 is a flowchart showing processing of the data processing device 200 in the second embodiment of the present invention.
- FIG. 11 is a flowchart showing a process when creating block auxiliary data in the second embodiment.
- FIG. 128 to FIG. 12C are diagrams showing a specific example of data to be divided into blocks in the middle of a row and a specific example of display.
- FIG. 13 is a block diagram of a data processing device according to the third embodiment of the present invention.
- FIG. 14 is a flowchart showing processing when creating block auxiliary data in the third embodiment.
- FIG. 15 is a flowchart showing the processing of the data processing device according to the third embodiment of the present invention.
- FIG. 16 is a diagram showing a specific example of electronic data having a P-layer structure.
- FIG. 17 is a diagram for explaining a tree structure extracted from electronic data having a hierarchical structure.
- FIG. 18 is a diagram showing a specific example of electronic data having a hierarchical structure. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a diagram showing an example of a block diagram of a data processing device 100 in the case where the data processing device 100 in the first embodiment is a display device.
- server 110 receives a request from a user and transmits electronic data recorded in a database.
- the network 114 connects the server 110 to a user's personal computer (hereinafter referred to as a personal computer) 115.
- the recording medium 111 retrieves electronic data from the personal computer 115 and supplies the data to the data processor 100.
- the personal computer 1 15 described above is replaced with an electronic data receiving device (not shown) installed in the convenience store station yard or the like, and the electronic data is taken out from the electronic data receiving device, and the recording medium 111 is read out. May be recorded. In this case, it is possible to charge when extracting the electronic data from the electronic data receiving device and recording it on the recording medium 111. Further, the electronic data transmitted from the server 110 may be received by the data processing device 100 and recorded on the recording medium 111 without passing through the personal computer 115.
- the electronic data 101 is electronic data recorded on the recording medium 111, and the block auxiliary data 102 is recorded on the recording medium 111. This is data associated with 101.
- the above-mentioned electronic data 101 is structured electronic data for executing a predetermined process in accordance with the definition of the document description language, and has a data format for recording a structured document having a hierarchical structure. It is recorded using a certain SGML or XML.
- the block auxiliary data 102 is data that divides the electronic data 101, which is the above-described structured electronic data, into a plurality of blocks and executes a predetermined process for each of the divided blocks. Paired with data 101.
- input section 103 reads electronic data 101 and block auxiliary data 102.
- the data structure analysis unit 104 analyzes the hierarchical structure of the data from the electronic data 101 and the block assist data 102.
- the processing unit 105 performs a predetermined process based on the hierarchical structure analyzed by the data structure analysis unit 104.
- the control unit 109 controls each processing unit of the input unit 103, the data structure analysis unit 104, and the processing unit 105.
- the processing unit 1005 has a different configuration depending on the contents of the electronic data to be processed and the processing contents.
- the display rate of texts is calculated based on the analysis result of the data structure translator 104, as shown in Fig. 1.
- the processing unit 105 is changed to a reading device, the display unit 108 uses a voice reproducing unit, and the layout calculating unit 106 reads the voice. It is changed to a part that determines the part to be read and the part that cannot be read, a part that is emphasized to be read and a part that is not read, and a part that takes the interval between each reading.
- the voice attribute may be changed according to the hierarchical structure of the electronic data to read out the voice.
- the data processing device 100 needs a scenario interpreting unit, a voice output unit, and a synchronizing unit for synchronizing each element in order to manage the reproduction order.
- FIG. 2 shows a specific example in a case where the above-described data processing device 100 is realized by a portable device.
- a display unit 108 performs display based on the display layout calculated by the layout calculation unit 106, and includes a display and the like.
- the recording medium As shown in FIG. 1, the body 111 is extracted from the document database via the server 110 and the network 114 by the personal computer 115 or the electronic data receiving device. In addition, this is a recording medium on which electronic data 101 to be processed and block auxiliary data 102 are recorded.By inserting this recording medium 111 into the data processing device 100 of the main body, These two data are read through an input unit 103 provided in a data processing device 200 which is a display device. The pen 1 13 is used to jump to the link destination when the electronic data includes a link function, and the data processing device 1 as a display device. Change from 0 0 to the required confirmation items It is also used in order.
- an area for recording is provided inside the data processing device 100, and May be stored.
- the two data may be recorded in the server 110 on the network 114 or in a database, and processed while downloading.
- the block auxiliary data generally consists of three areas: electronic data file name 1, block information 2, and link destination information 3.
- Electronic data file name 1 is an area prepared to record which electronic data the block auxiliary data corresponds to. When the block auxiliary data is recorded in the electronic data or linked to the electronic data, the area of the electronic data file name 1 may be omitted.
- the area of the link destination information 3 may not exist depending on the electronic data to be processed.
- area 20 of the block auxiliary data is an area of electronic data file / file name 1, and the file name of the XHTML document in FIG. 4 is recorded.
- Block capture data areas 21 to 37 are areas for block information 2.
- the area 21 is an area for recording the number of blocks. When dividing into four blocks, 4 is recorded.
- Areas 22 to 25, 26 to 29, 30 to 33, and 34 to 37 are areas of block information for blocks 10, 11, 11, 12, and 13, respectively. In general, when divided into n blocks, the structure of the block information in the areas 22 to 25 is repeatedly recorded n times.
- the start position of each block is stored in areas 22, 26, 30 and 34, and the end position of each block is stored in areas 23, 27, 31 and 35. It is recorded in the form of a number. Therefore, if you want to extract the data belonging to block 11, check the value of the block information in area 26 and area 27, and count the 2nd to 4th bytes from the 2nd and 2nd bytes from the beginning of the file. Just read it.
- the start tags that have not been completed are recorded at the start position of each block.
- the block information of area 24 is the area where the start tag that is not ended at the start position of block 10 is recorded, but since block 10 starts from the beginning of the file, the control code to be recorded in area 24 Does not exist. Since the html> is not closed at the start position of block 1 1, area 2 8
- link destination information 3 and 4 in Fig. 4 are examples where a link to a part of the same file is made.
- the character string "BBB" enclosed in the ⁇ a> tag of the link destination information 3 is clicked, the location where the label specified by the href attribute @ SUMMARY is set, that is, Jump the display position to link destination information 4 for which "SUMMARY ⁇ " is set in the name attribute.
- the position information of the label of the link destination that is, the position information of the label set by the narae attribute of the ⁇ a> tag is recorded.
- 1 is recorded in area 3 8 and the combination of areas 3 9 to 4 1 is recorded only once.
- the link destination information of the structure in areas 39 to 41 is repeated n times.
- the label name recorded in the name attribute of the a> tag, and in the areas 40, 41, the start and end positions of the character string sandwiched by the a> tag are copied from the beginning of the file. Record by number.
- the size of the block is determined from the processing capacity of the device. In other words, the larger the block size, the greater the amount of processing per block, so the processing time increases and the memory capacity and resource capacity used also increase. Therefore, it is desirable that the size of the block be determined according to the processing capacity of the apparatus.
- Factors that determine the processing capacity of the equipment include the processing capacity, memory capacity, and resource capacity of the CPU (Central Processing Unit) mounted on the equipment.
- the size of the block depends on the number of characters displayed on the screen and the factors that determine it. It is also determined. For example, an apparatus for displaying a text such as an electronic book is often designed to display one screen and then wait until a user instructs to move a page. In this case, if the block size is set extremely large with respect to the number of characters displayed on the screen, the block is not displayed on the screen because the block is read as one unit in the processing method according to the present embodiment. Unnecessary data will be read, resulting in waste. Therefore, it is desirable that the block size is determined based on the number of characters displayed on the screen.
- the number of characters displayed on the screen varies depending on the screen size and resolution of the display device, the number of fonts of displayed characters, the size of lines and characters, the size of margins, etc.
- the size of the block may be changed depending on the size of the block.
- the structure and format of this block auxiliary data differ slightly depending on the type of electronic data to be processed. Generally, in the case of electronic data written in ML format, there are two areas, electronic data file name 1 and block information 2, except for the link information 3 in Fig. 3, and the format is the same. Since the link destination information 3 is information for a link function which is a function of the XHTML document, it may not exist for electronic data other than the electronic book such as the XHTML document.
- applicable electronic data is not limited to the XML format. In general, it can be applied to structured documents having a hierarchical structure.
- the start and end position control codes of the block information 2 indicate the hierarchical structure at the start Z end position of the block. Please record in this format.
- Figure 6 shows a flowchart for the display device.
- step S101 electronic data to be displayed is specified by the user through the user instruction processing unit 107 (step S101), and the electronic data of is prepared.
- the input block auxiliary data is read from the input section 103 (step S102).
- step S102 Next, of the block auxiliary data read in step S102, which block is to be read based on the start Z end position of each block and the position from the file head of the area to be displayed on the screen. Is determined (step S103), and only necessary blocks are read from the input unit 103 (step S104).
- step S105 the control code at the start Z end position of the read block is checked by referring to the contents of the block auxiliary data read in step S102. Then, the start position control code, the block data, and the end position control code are connected in this order, the hierarchical structure is analyzed, and a tree structure is created (step S105).
- the data shown in FIG. 7 in which the block information in the area 32 and the area 33 of the block auxiliary data in FIG. Create and analyze the hierarchical structure.
- the data of the area 51 is the control code recorded in the block information of the area 32
- the data of the area 52 is the data of the block 12 read in step S104
- the area 5 3 Is the control code recorded in area 33.
- an L declaration and a document type declaration such as data in the area 50 may be added at the beginning.
- the processing in step S105 is performed by the data structure analysis unit 104.
- the layout calculation unit 160 calculates a layout in the display screen based on the tree structure for one block created in step S105 (step S106). As a result, when the layout of the entire display screen of the display unit 108 is determined (step S107), the process proceeds to step S108, and the display unit 108 displays the image.
- step S107 if there is an area in the display screen for which the layout has not been determined yet, the process returns to step S104, reads the next block, and creates a tree structure (step S105) Then, the layout processing of the current block is performed from the continuation of the layout screen obtained for the previous block (step S106). In the subsequent steps S107 and SI08, the same processes as those described above are performed.
- step S109 After displaying on the display unit 108 in step S108, the process moves to step S109 and waits for an instruction from the user. Wait at step S109 until there is an instruction from the user I do.
- step S109 if the user issues a scroll instruction for the next page or the previous page, the process proceeds to step S111, and as a result of the scroll instruction received from the user, the content to be displayed next is the current content. Determine if it is the same as the block. If they are the same, the process proceeds to step S106, where the layout processing is performed based on the tree structure created earlier, and the processing from step S107 onward is continued in the same manner as the processing described above. .
- step S111 If it is determined in step S111 that the block is different from the current block, the process proceeds to step S104, where a block necessary for display is read, and the same process as described above is performed. Then, the processing after step S105 is continued.
- step S109 if it is instructed to fly to another area by a link jump or the like in step S109, the procedure moves to step S110, and the destination is moved to another file.
- step S110 Find out what. For example, in an XHTML document, if a character string sandwiched between 3> tags with an href attribute is clicked, the value of the href attribute determines the link strength to other files and the link to its own file. You.
- step S111 determine whether the link destination is the same as the current block.
- the link destination information 3 recorded in the block auxiliary data it is checked which block includes the link destination. For example, in the case of the example in FIG.
- step S106 If the obtained block at the link destination is the same as the current block, the process proceeds to step S106, and thereafter, the same processing as the processing described above is performed.
- step S104 the block is read, and thereafter, the same processing as that described above is performed.
- step S110 Moves to step SI 02, reads the block auxiliary data prepared for the file at the link destination, and thereafter performs the same processing as the processing described above.
- an XHTML document has been described in some places as an example.
- the present invention is not limited to a display device of an XHTML document.
- the block auxiliary data shown in FIG. 3 and the flowchart shown in FIG. 6 can be applied to an electronic data display device having a link function such as an XHTML document and having a hierarchical structure.
- electronic data without a link function can be applied by omitting the link destination information 3 in FIG. 3 and step S110 in FIG.
- JepaX JEPA Electronic Publishing Exchange Format
- Network Electronic Book Format Network Electronic Book Format
- the present invention is characterized in that by preparing the block capture data, only a part of the electronic data having a hierarchical structure can be read and processed. Therefore, in the block diagram of FIG. 1, the present invention can be applied not only to the display device but also to other processing devices by replacing the processing unit 105 with processing unique to the processing device. At this time, in the flowchart of FIG. 6, the processing in steps S106 to S108 is replaced with processing unique to the processing device. For example, in the case of a text-to-speech device, there are steps for determining which portions of the electronic data are readable and which are not, for example, a step for setting the sound quality and intensity to be read according to the portions, and a step for reproducing sound. Replaced by processing. On the other hand, in the present embodiment, the description has been made for electronic data having a hierarchical structure such as XML, but electronic data which does not have a complete hierarchical structure such as an HTML document is described. It is also applicable.
- FIG. 9 is an example of a block diagram of a data processing device 200 according to the second embodiment of the present invention.
- electronic data 201 is electronic data processed by data processing apparatus 200 of the present invention.
- the block auxiliary data 202 is block auxiliary data attached to the electronic data 201.
- the input unit 203 reads the electronic data 201 and the block auxiliary data 202.
- the data structure analysis unit 204 analyzes the hierarchical structure of the data based on the electronic data 201, the block auxiliary data 202, and the force.
- the block auxiliary data creating unit 205 creates block assist data from the electronic data 201 when the block assist data 202 does not exist.
- the processing unit 206 performs predetermined processing based on the hierarchical structure analyzed by the data structure analysis unit 204.
- the control unit 210 controls each of the input unit 203, the data structure analysis unit 204, the block assisting data creation unit 205, and the processing unit 206.
- the electronic data 201 and the block assisting data 202 are recorded on the recording medium 111 as in the first embodiment, and read into the data processing device 200.
- the processing unit 206 described above has a different configuration depending on the contents of the target electronic data and the processing contents.
- the data processing device 200 is a display device for displaying a sentence, etc.
- the layout calculation unit 207 calculates the display layout of a sentence based on the analysis result of the data structure analysis unit 204.
- the display unit 209 includes a display unit 209 for displaying based on a display rate, and a user instruction processing unit 209 for processing an instruction from the user such as scrolling.
- FIG. 10 shows a flowchart of the processing in the processing device 200.
- step S201 when the user specifies electronic data to be processed using a keyboard, a mouse, a pen, or the like (step S201), the user instruction processing unit Through step 208, it is determined in step S202 whether or not block auxiliary data exists for the electronic data.If so, processing similar to that of the first embodiment described above is performed. The processing after step S102 in FIG. 6 is performed.
- step S202 If it is stimulated in step S202 that the corresponding block auxiliary data does not exist, block auxiliary data is created in step S203 and the processing after step S102 in FIG. 6 is performed. It is. Since the processing after step S102 is the same as the processing described in the first embodiment, description thereof will not be repeated.
- step S203 Next, the process of step S203 will be described in detail.
- the block auxiliary data creation unit 205 divides the electronic data input from the input unit 202 into a plurality of blocks, and examines the control code at the start Z end position of each block, as shown in Fig. 3. Create block auxiliary data.
- FIG. 11 shows a flowchart of the process in step S203.
- a target value T of the block size is set (step S301). As described above, it is desirable that the appropriate block size is determined based on the processing capacity of the treatment device, the number of characters displayed on the screen, and the factors that determine it. Therefore, the target value T of the block size is set based on these parameters. Note that the target value T may be set using a default value provided in advance in the processing device or a value specified by the user.
- the block auxiliary data shown in FIG. 5 is created by setting the target value of the block size to 200 bytes.
- the set block size is set as the target value because, in general, there are restrictions on the locations where blocks can be divided. Details will be described in the description of step S303.
- the process proceeds to step S302, where the X-byte area sandwiching the ⁇ th byte from the beginning of the file is set as the search range of the block boundary. Set.
- the value of X is set, for example, to half of the target value ⁇ of the block size.
- a boundary candidate within the search range is extracted.
- Boundary candidates vary depending on the type of target electronic data.For example, if the electronic data is an XML document, the delimiting point is not in the middle of a tag, comment, or character string, but just before the tag Or immediately after. For example, div Div
- the data processing device 200 is a display device that displays an electronic book such as an XHTML document
- the part where the display starts from the beginning of the line such as immediately after a line feed tag or at the beginning of a paragraph.
- the XHTML document whose specific example is shown in FIG. 12A is divided into two blocks 60 and 61 in the middle of a line.
- a display example when displayed from the top of the XHTML document is shown in Fig. 12B.
- block 61 will be laid out in the middle of the line (from the 7th character on line 3).
- layout calculation is performed by reading only block 61, so that block 61 is located at the top of the line as shown in Fig. 12C. Displayed from. Therefore, if the user issues a schoronography instruction from block 61 to block 60 in the direction opposite to the text, the display start position of block 61 differs as shown in Fig. 12B and Fig. 12C. The display is distorted when switching.
- the division position of the block is limited to the place where the display starts from the beginning of the line. Therefore, such a problem does not occur because the layout is always performed from the beginning of the line without depending on the layout result of the immediately preceding block. Therefore, in the case of an e-book such as an XHTML document, the boundary of the block is extracted immediately before or after the tag, and the power is always extracted from the position where the display is at the beginning of the line. '
- step S304 the condition is branched by step S304 according to the number of boundary signs extracted in step S303.
- step S302 If the boundary candidate is not found, the process moves to step S302, and the search range is shifted below the finolare, and the processing after step S302 is performed in the same manner as described above.
- step S302 the candidate closest to the center of the search range set in step S302 is selected and set as the boundary (step S305). Then, in step S306, the position and the hierarchical relationship of the start / end position of the block from the beginning of the file are checked, and information for one block recorded in the block information 2 is acquired. Then, it is checked whether the end of this block is the end of the file (step S308). If not, the process proceeds to step S302, and the search for the next block is continued. On the other hand, if it matches the end of the file, in step S308, the block information checked in S301 to S307 and the file name of the electronic data are recorded in the block capture data. At this time, if necessary, check the link destination information and record it in the block capture data. When step S308 is completed, the block assisting data creation processing ends.
- the block auxiliary data creation unit 205 is provided in the data processing device 200 has been described.
- the block auxiliary data creation unit 205 has been described in the first embodiment. It is also possible to prepare the block 110 in the server 110 and create block auxiliary data there.
- the processing flow in this case is as described in the present embodiment.
- the content described in a general document description language can be unique to this application. It can be converted to content having the data structure of.
- the content generated in this way is transferred to the server 1 in Fig. 1. Upload to 10 and download from server 110 to user's PC 115.
- a system for creating and selling content to be displayed on the data processing device 100 can be constructed.
- the data processing device 100 is an electronic book viewer, such a system converts the electronic book content described in a general-purpose document description language into a data structure dedicated to the data processing device 100 and provides the data structure. It is effective when you do.
- the display device has been described in some places as an example.
- the present invention creates a block auxiliary data and processes the same to form a hierarchical structure. It is unique in that it can read and process only a part of the electronic data that it has. Therefore, in the block diagram of FIG. 9, the present invention can be applied not only to a display device but also to a general data processing device by replacing the processing unit 206 with a processing unit unique to the processing device.
- FIG. 13 is an example of a block diagram of a data processing device according to the third embodiment of the present invention.
- a data display device will be described as an example.
- the data display device according to the present embodiment is roughly divided into a document DB (database) 301, a server processing unit 302, and a client processing unit 304.
- the server processor 302 and the client processor 304 are connected by a network line 303.
- the document DB301 stores electronic data to be processed and auxiliary block data associated therewith.
- the server processing unit 302 creates the input unit 305 for reading the electronic data and the block auxiliary data from the document DB 301 and the block auxiliary data when there is no block auxiliary data for the electronic data.
- a transmission / reception unit 3 which receives a request from the block auxiliary data creation unit 303 to be recorded in the document DB 301 and a client processing unit 304 and transmits designated data to the client processing unit 304. 0 7
- the client processing section 304 is used to process electronic data to be processed and scroll instructions.
- a user instruction processing unit 309 for processing an instruction from the user, an instruction content from the user analyzed by the user instruction processing unit 309 and the like are transmitted to the server processing unit 302, and the server processing unit 30
- a transmission / reception unit 310 that receives the data sent from the server 2
- a data structure analysis unit 310 that analyzes the hierarchical structure of the electronic data sent from the server processing unit 302, and a data structure analysis.
- a layout calculation unit 311 for calculating a display layout of electronic data using the hierarchical structure analyzed by the unit 3110, and a display unit 31 for displaying based on the layout calculated by the layout calculation unit 311 And 2.
- the server is configured to transmit necessary data through the transmission / reception unit 3108. In some cases, a request is issued to the processing unit 302.
- step S301 when electronic data to be processed is specified by the user, the final name of the electronic data to be processed is sent to server processing unit 302 (step S301).
- the server processing section 302 checks whether or not block auxiliary data for the electronic data exists in the document DB 301 (step S302), and if not, proceeds to step S303. Move on to create block assistance data, and move on to step S304.
- the process in step S303 is similar to the process described with reference to FIG. 11, and thus description thereof will not be repeated.
- the pro click Tosuke data exists in the step S 3 0 2
- step S304 the block auxiliary data is sent to the client processing unit 304 and received by the client processing unit 304 (step S305).
- step S301 the target value of the size at the time of block division from the screen size of the display unit 312 and the amount of memory is transmitted along with the file name of the electronic data, and the server processing unit 302
- the block auxiliary data may be created based on the block size. With this configuration, it is possible to perform block division according to the processing capability of the client processing unit 304, and ultimately to improve the usability of the user.
- the client processing unit 304 receives the block assist data, it analyzes the received block assist data and displays the start / end position of each block and the screen. Based on the position of the area to be read from the beginning of the file, it is determined which block is to be read, and the block to be read is transmitted to the server processing unit 302 (step S306).
- the server processing unit 302 Upon receiving the request, the server processing unit 302 reads the designated block from the document DB 301 and returns it to the client processing unit 304 (step S307).
- the client processing unit 304 performs the same processing as in step S105 described above based on the received block data and the contents of the block assisting data, and thereafter performs the processing from step S106 onward.
- the same processing as in step S105 described in (1) is performed (step S309 to step S314).
- the block auxiliary data creation unit 303 is located in the server processing unit 302 .
- the block auxiliary data creation unit 303 is provided in the document DB 301 or In preparation for the client processing unit 304, it is also possible to create the block capture data in the document DB 301 or the client processing unit 304.
- the data display device has been described as an example.
- the present invention processes electronic data having a hierarchical structure by processing using block capture data.
- the feature is that only a part can be received and processed. Therefore, in the block diagram of FIG. 13, the present invention can be applied not only to a display device but also to a general data processing device by replacing the layout calculation unit 311 and the display unit 3112 with a processing unit unique to the processing device. Can be applied.
- a part or all of the processing in the above-described first to third embodiments is constituted by an ordered sequence of instructions suitable for processing by a computer (program). It is also possible to provide as. Further, these programs can be provided as a computer-readable recording medium on which the programs are recorded for installation, execution, and distribution of the programs.
- the hierarchical structure can be obtained by using the block auxiliary data prepared for the electronic data.
- the block auxiliary data prepared for the electronic data.
- only a part of the electronic data can be read and processed.
- processing can be performed at a higher speed and less memory is required.
- by providing the location information of the link destination in the block auxiliary data it is possible to move at high speed even when moving to an arbitrary block like the link function of the XHTML document.
- the electronic data does not have the block auxiliary data, it is processed after the block auxiliary data is created once. Even electronic data that does not exist can be processed at high speed and with low memory usage.
- the data processing device divides the size of the block into substantially equal sizes, even when the display is moved to the previous or next block by a scroll instruction from the user, the processing time is substantially the same. Is displayed with. Therefore, there is an advantage that the user does not feel a sense of discomfort. In addition, if there is an extremely large block, the processing memory may be insufficient due to the lack of working memory depending on the processing device. Is also less likely to occur.
- processing is performed by reading only a part of the electronic data while considering the hierarchical structure. it can. Therefore, electronic Compared to downloading and processing the entire data from the server, processing can be performed at a higher speed and less memory is required.
- the present invention is advantageous in a data processing method, a data processing program, and a data processing device. Can be applied.
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2003505803A JP4794127B2 (ja) | 2001-06-14 | 2002-06-12 | データ処理方法、データ処理プログラム、およびデータ処理装置 |
DE60224271T DE60224271T2 (de) | 2001-06-14 | 2002-06-12 | Datenverarbeitungsverfahren, datenverarbeitungsprogramm und datenverarbeitungsvorrichtung |
KR1020037016296A KR100556647B1 (ko) | 2001-06-14 | 2002-06-12 | 데이터 처리 방법, 데이터 처리 프로그램을 기록한 기록매체, 및 데이터 처리 장치 |
US10/480,211 US20050165835A1 (en) | 2001-06-14 | 2002-06-12 | Data processing method, program and data processing apparatus |
EP02738675A EP1396793B1 (en) | 2001-06-14 | 2002-06-12 | Data processing method, data processing program, and data processing apparatus |
Applications Claiming Priority (2)
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JP2001-179415 | 2001-06-14 | ||
JP2001179415 | 2001-06-14 |
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WO2002103554A1 true WO2002103554A1 (fr) | 2002-12-27 |
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PCT/JP2002/005880 WO2002103554A1 (fr) | 2001-06-14 | 2002-06-12 | Procede de traitement de donnees, programme de traitement de donnees et appareil de traitement de donnees |
Country Status (7)
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US (1) | US20050165835A1 (ja) |
EP (3) | EP1770547B1 (ja) |
JP (2) | JP4794127B2 (ja) |
KR (1) | KR100556647B1 (ja) |
AT (1) | ATE382169T1 (ja) |
DE (1) | DE60224271T2 (ja) |
WO (1) | WO2002103554A1 (ja) |
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Also Published As
Publication number | Publication date |
---|---|
JP4990302B2 (ja) | 2012-08-01 |
KR20040011537A (ko) | 2004-02-05 |
JP2009134741A (ja) | 2009-06-18 |
EP1770547A2 (en) | 2007-04-04 |
EP1396793A1 (en) | 2004-03-10 |
EP1770548A3 (en) | 2007-04-11 |
US20050165835A1 (en) | 2005-07-28 |
JP4794127B2 (ja) | 2011-10-19 |
EP1770548A2 (en) | 2007-04-04 |
EP1770547B1 (en) | 2012-09-12 |
DE60224271T2 (de) | 2008-12-18 |
EP1396793B1 (en) | 2007-12-26 |
DE60224271D1 (de) | 2008-02-07 |
JPWO2002103554A1 (ja) | 2004-10-07 |
EP1396793A4 (en) | 2006-02-22 |
EP1770547A3 (en) | 2007-04-11 |
KR100556647B1 (ko) | 2006-03-06 |
ATE382169T1 (de) | 2008-01-15 |
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