WO2008062552A1 - Dispositif d'affichage d'informations, programme d'affichage d'informations, et système d'affichage d'informations - Google Patents
Dispositif d'affichage d'informations, programme d'affichage d'informations, et système d'affichage d'informations Download PDFInfo
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- WO2008062552A1 WO2008062552A1 PCT/JP2007/001223 JP2007001223W WO2008062552A1 WO 2008062552 A1 WO2008062552 A1 WO 2008062552A1 JP 2007001223 W JP2007001223 W JP 2007001223W WO 2008062552 A1 WO2008062552 A1 WO 2008062552A1
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- WO
- WIPO (PCT)
- Prior art keywords
- weight
- key
- file
- unit
- user
- Prior art date
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/953—Querying, e.g. by the use of web search engines
- G06F16/9535—Search customisation based on user profiles and personalisation
Definitions
- Information display device information display program, and information display system
- the present invention relates to a technique for selecting information related to a file processed by an application program and presenting it to a user.
- Non-Patent Document 2 About Gmai [online], [searched November 16, 2006], Internet h ⁇ URI_: http: // mai l.google.com/mai l / help / more. Html # ads>
- the present invention has been made in view of these problems.
- the object of the present invention is to receive a feedback of evaluation of a file from a user when the file is opened, and depending on the result,
- the purpose is to provide a technique for correcting key search conditions for searching documents related to files.
- One embodiment of the present invention is an information display device.
- the apparatus includes an access processing unit that processes a file access specified by a user, a word / phrase extraction unit that extracts a plurality of words / phrases from a file subjected to file access according to a predetermined extraction rule, and a plurality of words / phrases extraction unit.
- a key key holding unit for storing key keys in association with weights
- a useful information holding unit for storing a plurality of useful information to be provided to the user in association with the key keys associated with the contents, and a file
- select a key word that matches those words from the key key holding part select a priority key key based on the weight associated with the selected key key.
- a weight processing unit that determines the priority key, an information selection unit that selects useful information associated with the priority key table from the useful information holding unit and displays it on the screen, and a file from the user
- a feedback reception unit that receives an input for evaluating whether or not there is an interest in the contents of the content, and based on the input evaluation, adjusts the weight associated with the key field selected by the weight processing unit.
- a weight adjusting unit that records the adjusted weight in the keypad holding unit.
- useful information refers to information that generates some value for the user of the device, and includes information that can be reproduced on an information terminal such as video and audio in addition to documents.
- “Files” include general text files, document files such as HTML files and XML files written in markup languages, mail files, caches, and temporary files.
- a mail file a single file can be used for all mail stored in folders such as the receiving folder of the mail program, in addition to the case where one file corresponds to one mail. This includes the case where a file exists.
- an evaluation as to whether or not the user is interested in the file is accepted, and each key extracted from the file is weighted based on this evaluation.
- the weighted keyword is used as a basis for selecting useful information to present to the user in relation to the file. Since weights that reflect the user's preference are given to each key key, there is a high possibility that useful information that matches the user's preference will be selected. Also, according to the evaluation given to the whole file, the weight for the key extracted from the file is adjusted, so it is necessary to take time-consuming work to make an evaluation for each key keyboard. And not.
- the weight adjustment unit does not adjust the weight when it is determined that there is no input of evaluation from the user before the predetermined trigger is generated.
- Predetermined trigger refers to a trigger that terminates waiting for input from the user, such as the passage of time, some user operation, or processing of an application program that processes a file. As a result, weights are adjusted only when there is an explicit input from the user, so that inappropriate weight adjustment for users who are not interested in input is avoided. Is done.
- the prediction of the evaluation for the file is displayed based on the keyword weight.
- the result of the prediction When the price matches, the user does not need to input the evaluation again, saving time.
- the weight adjustment unit adjusts the weight associated with the key field based on the prediction result by the evaluation prediction unit. Also good. According to this, when there is no input from the user, it is determined that the prediction result matches the user's evaluation, and the key weight is adjusted based on the prediction result.
- the keyword holding unit adds an affirmative weight that is added when it is determined that the user has positively evaluated the contents of the file and a negative value that is added when it is determined that a negative evaluation has been made.
- the negative weight may be stored separately for each key. In this way, by holding the positive weight and negative weight separately for each keyword, the weights can be tabulated separately for positive cases and negative cases, so that conflicting evaluations do not mix. This makes it possible to select useful information that suits the user's preference.
- the evaluation prediction unit includes a weight addition unit that calculates a sum of positive weights and negative weights associated with each key phrase that matches the word extracted from the file, and a sum of positive weights and negative weights. And an evaluation determination unit that determines whether the user is interested in the contents of the file according to the size relationship. By adding the positive and negative weights assigned to each key for all keys, it is possible to easily predict the evaluation of the file.
- the weight processing unit may select a keyword having an affirmative weight exceeding a negative weight as a priority keyword. By doing this, the key keyword that was included in the file that was given a positive evaluation was selected as the priority key keyword. Therefore, when useful information was selected using the priority keyword, It is easier to select the one that suits the user's preference.
- the key table holding unit may discount the weight stored in association with each key table over time. By doing this, the key list included in the file referred to in the past is also changed to the key included in the recently referenced file. The influence of the weight given to the table becomes dominant, so that useful information suitable for the current user's preference is easily selected.
- a history holding unit that holds a history of evaluation of the file contents by the user may be further provided.
- the feedback reception unit refers to the history held in the history holding unit, and when the user inputs an evaluation that is different from the tendency of the past evaluation, an indication that prompts the user to reconfirm the evaluation May be displayed on the screen. By requiring such reconfirmation when evaluation changes suddenly, user evaluation errors can be avoided.
- the weight processing unit reads the key number from the key number holding unit.
- the selection of may be avoided.
- “A file of a type that is difficult to obtain a valid evaluation” is a file that does not contain a key that leads to useful information in the file. For example, a file with a large ratio of numbers and symbols, For example, a file that contains a list of words with no characters. Since it is difficult to select useful information for such files, keyword selection is avoided.
- the weight adjustment unit adds the weight according to the access status to the file by the access processing unit in addition to the weight based on the user's evaluation on the contents of the file, and records it in the key storage unit. Also good.
- the importance of the file differs depending on the status of access to the file. For example, it is considered that the importance of a file differs for a user when simply browsing the file and when saving and updating the file. Therefore, by assigning a weight according to the access status to the file to the key key, useful information associated with a more important key key can be presented to the user.
- the invention's effect [001 9] when a file is opened, a feedback is received from the user for the evaluation of the file, and a key for deriving useful information according to the result is given. Therefore, information useful for the user is easily presented as useful information.
- FIG. 1 is a diagram showing an overall configuration of a network system including a portable information device having an information display function according to the present embodiment.
- FIG. 2 is a hardware configuration diagram of a portable information device.
- FIG. 3 is a diagram showing a configuration of a part related to an information display unit according to the present embodiment in a portable information device.
- FIG. 4 is a table showing an example of key keys and weights held in a key key holding unit.
- FIG. 5 is a diagram showing an example of text included in a file that is a target of key table extraction.
- FIG. 6 is a table showing an example of useful information held in a useful information holding unit.
- FIG. 7 is a diagram showing an example of a state in which useful information is displayed by a display control unit.
- FIG. 8 is a diagram showing the weight for each key pad after being adjusted by the weight processing unit.
- FIG. 9 is a flowchart of useful information presentation and weighting processing for key keys according to Embodiment 1.
- FIG. 10 shows an information display apparatus according to Embodiment 2.
- FIG. 11 This is a flowchart explaining the weighting processing for presentation of useful information and selection of useful information in the information display device.
- FIG. 12 is a diagram showing an example of displaying the evaluation result by the evaluation prediction unit on the display together with the application screen.
- FIG. 13 is a flowchart of useful information presentation and weighting processing for key keys according to Embodiment 2.
- FIG. 15 is a diagram showing an example of an evaluation history held in a history holding unit.
- FIG. 16 is a functional block diagram showing a configuration of a file access addition unit.
- an operating system (OS) of a portable information device monitors access to a file from an application program, extracts a plurality of key words from the file, and performs advertisement corresponding to the key key.
- Such useful information is displayed on the screen of a portable information device. This makes it possible to derive useful information suitable for the object of interest of the user of the portable information device via the key included in the access destination file.
- FIG. 1 shows an overall configuration of a network system including a portable information device 10 having an information display function according to the present embodiment.
- the portable information device 10 is any hardware that can move together with the user, such as a laptop PC (personal computer), a PDA, a mobile phone, and a power navigation device with a communication function. is there.
- the portable information device 10 is connected to a network 14 such as a LAN or the Internet via an access point 16 or a base station 18 by a user operation, and is specified by a URL. Can access the server 1 2 and get the desired data
- the server 12 provides data such as text data, image data, audio data, and moving image data to the portable information device 10 via the network 14.
- This server may be, for example, a web server or other service entity on the Internet, in which case the main processing functions remain on the server side, such as CGI (Common Gateway Interface), Java (registered trademark) It can be realized in various ways, such as the one where the main processing functions move to the client side, such as Ablet, and the one where the Java application, which is the main processing function, is placed on both the server and client.
- CGI Common Gateway Interface
- Java registered trademark
- the portable information device 10 can reference and edit files stored in an internal storage device or storage medium without user access to the network 14 by a user operation. It is configured.
- FIG. 2 is a hardware configuration diagram of the portable information device 10.
- the portable information device 10 includes a CPU (Central Processing Unit) 20, a main memory (RAM: Random Access Memory) 22, a ROM (Read Only Memory) 24, an audio control device 26, a nonvolatile storage device 32, and a display control.
- a device 34, an input device 38, a communication control device 40, an external storage device 42, and a GPS receiver 44 are provided. They are connected to each other via bus 46.
- the CPU 20 controls the entire portable information device 10 by operating an operating system. Further, programs and data are read from the ROM 24 or a recording medium mounted on the external storage device 42 to the main memory 22, and various processes are executed in accordance therewith.
- the main memory 22 is a temporary storage area and work area required when the CPU 20 executes the program, and an area for storing various data required for executing the program.
- the ROM 24 is a read-only storage device that stores computer programs executed by the CPU 20 and data.
- the voice control device 26 is a portable information device with a telephone function such as a cellular phone. Is connected to the microphone 28 and the speaker 30 to control audio input / output.
- the non-volatile storage device 32 is a storage device that can retain stored contents even after the power is turned off, and includes a semiconductor memory such as a hard disk drive or a flash memory.
- the display control device 34 generates a video signal for enabling the data drawn in a frame buffer (not shown) by the CPU to be displayed on the display 36 provided in the portable information device 10.
- the input device 38 is a device for a user to input an operation instruction to the portable information device 10.
- the input device 38 includes any device according to the device such as a pointing device such as a key and a track pad, various buttons, and a touch panel arranged on the surface of the display 36.
- a mouse may be connected to a portable information device via a US B (Unive rsal Serial Bus) terminal, etc.
- the communication control device 40 controls voice and data communication by various communication methods.
- Data communication methods include arbitrary methods such as wireless LAN (Local Area Network) such as IEEE 802.1 b / g, infrared communication, and data communication by bucket communication.
- the portable information device 10 may be connected to the network 14 using a cable.
- the external storage device 42 is a drive device that uses an exchangeable recording medium.
- the recording medium includes a magnetic disk, an optical disk, a magneto-optical disk, or a semiconductor memory.
- the GPS receiver 44 is a device that measures the location of a portable information device based on radio waves from an artificial satellite.
- this embodiment provides a mechanism for selecting and presenting information useful for the user. It also provides a mechanism for adjusting the search method for useful information so that the information that the user really needs is presented.
- FIG. 3 shows a configuration of a part of portable information device 10 related to information display unit 100 according to the present embodiment.
- This configuration can be realized in terms of hardware by any computer's CPU, memory, or other LSI.
- the information display unit 100 is implemented as part of an operating system.
- the operating system has various functions such as process management, memory management, device management, and GUI.
- FIG. 3 only the parts related to this embodiment are extracted from those realized by combining them. is doing.
- a part 180 surrounded by a broken line in FIG. 3 indicates a functional block added to the operating system for realizing the present embodiment. It should be noted that even functions not shown in Fig. 3 naturally have functions provided by a general operating system.
- the access processing unit 10 4 selects the file specified by the system call from the file holding unit 10 2 and executes the file access.
- the phrase extraction unit 106 extracts a plurality of phrases from the file according to a predetermined extraction rule.
- Keyword selection unit 1 2 2 is stored in keyword storage unit 1 1 0 The keywords that match the words extracted by the word extraction unit 106 are selected from the keywords that have been extracted.
- the priority keyword determination unit 1 2 4 determines a priority keyword from among the selected keys according to the weight associated with the keyword.
- the useful information selection unit 1 5 0 selects the useful information associated with the priority keyword from the useful information holding unit 1 3 0 and displays the useful information on the display of the portable information device 10. 3 Display in 6.
- the feedback receiving unit 15 4 receives the user's evaluation of the file being processed by the access processing unit, that is, the file displayed on the display.
- the weight adjustment unit 1 56 adjusts the weight of the keyword extracted from the file according to the user's evaluation, and overwrites the keyword holding unit 1 10.
- the file holding unit 1 0 2 holds a plurality of document files read by various applications.
- Document files include documents that mainly contain text information, such as document files, HTML Text (HyperText Markup Language) files, PDF files, presentation files, and spreadsheet files.
- the file may be obtained via a network, or may be stored in the storage devices 3 2 and 4 2 of the portable information device 10.
- the access processing unit 10 0 4 stores the file specified by the system call as a file holding unit 1 0 2 Choose from. Then, the file access process specified by the system call is executed for the file.
- File access processing specified by the system call includes opening / closing, writing, and erasing files.
- a file execution screen by the application program is displayed on the display 36 of the portable information device 10.
- the word extraction unit 1 0 6 is designated by a system call, and the access processing unit 1 0 4 Get the file that is the target of file access by.
- a plurality of words are extracted from the text data contained in the file. This extraction is performed according to a predetermined extraction rule.
- the phrase extraction unit 106 performs a well-known morphological analysis on text data, divides the text into each morpheme, and then counts the appearance frequency in the file for each phrase. Then, a characteristic phrase is extracted.
- “Characteristic phrases” refers to phrases that can be used to estimate at least a part of the information such as file contents and properties.
- a predetermined number of words having high appearance frequency may be used as characteristic words / phrases, but characteristic words / phrases may be extracted by a well-known TF (Term Frequency) method in which a weight based on the appearance frequency in the file is added. Or, data of words with high appearance frequency in normal sentences is registered in the word extraction unit 1 0 6 in advance, and the weights of words that appear in any sentence are lowered to extract words unique to the sentence. Then, specific words and phrases may be extracted by the IDF (Inverse Document Frequency) method that highlights the features.
- TF Term Frequency
- IDF Inverse Document Frequency
- a characteristic phrase Is preferably 10 or less there is no limit to the number of characteristic words that can be extracted from a single file, and any number can be extracted.
- the keyword holding unit 1 1 0 associates the keyword with the weight and stores it for each key. It is possible to hold a key group that is fixedly determined from the beginning, or a phrase extracted as a characteristic phrase by the phrase extraction unit 1 0 6 is renewed each time. May be added as
- the keyword holding unit 110 preferably holds an affirmative weight and a negative weight individually for each keyword.
- the affirmative weight is a weight added to a keyword included in a file when it is determined that the user has positively evaluated the contents of the file.
- Negative weight is negative evaluation This is the weight added to the key in the file when it is determined that The user's evaluation of the contents of the file will be described later in relation to the feedback reception unit 1 5 4.
- FIG. 4 is a table 2 10 showing an example of keywords and weights held in the keyword holding unit 110.
- Column 2 1 2 represents the retained keywords.
- Figure 4 shows that “mobile phone”, “communication”, “request”, and “complexity” are held as keywords.
- Column 2 1 4 represents the positive weight W p associated with each keyword in column 2 1 2, and
- column 2 1 6 represents the negative weight W n also associated with each keyword.
- the weight associated with each key may be one type.
- the weight processing unit 1 2 0 includes a key selection unit 1 2 2 and a priority key selection unit 1 2 4.
- the keyword selection unit 1 2 2 selects a keyword that matches the characteristic phrase extracted from the file by the phrase extraction unit 1 06 from the keyword group held in the keyword holding unit 1 1 0.
- the priority keyword determination unit 1 2 4 determines one or a plurality of priority keywords according to the weight associated with each key among the selected keys.
- the “priority keyword” is a keyword that is referred to when selecting useful information, as will be described later.
- the priority keyword determination unit 1 2 4 may determine a priority key that has an affirmative weight associated with each keyword exceeding a predetermined threshold, or among all keywords. A predetermined number may be selected in descending order of affirmative weight as a priority keyword. Alternatively, the priority keyword determination unit 1 2 4 may determine a priority key word that has an affirmative weight associated with each key key that exceeds a negative weight.
- the priority key base may be the one with the weight exceeding the threshold or the order from the largest weight
- the phrase extraction unit 106 extracts a plurality of phrases from the text 202 by morphological analysis.
- the keyword selection unit 1 2 2 is matched with the key word in the table 2 1 0 in the keyword holding unit 1 1 0 shown in FIG.
- the four keyword groups 2 0 6 of “mobile phone”, “communication”, “request” and “complexity” included in the table 2 10 are selected.
- the priority keyword determination unit 1 2 4 may compare the positive weights W p of these keywords and determine “communication” having the maximum value as the priority keyword. Alternatively, when the priority keyword is higher than the negative weight, the priority keyword determination unit 1 2 4 determines “communication” “request” as the priority keyword. When an affirmative weight is a threshold value, for example, 10 or more are set as priority keywords, the priority keyword determination unit 1 2 4 determines “mobile phone” and “communication” as priority keywords.
- the useful information holding unit 1 30 stores a plurality of useful information to be provided to the user in a manner corresponding to the key table related to the contents.
- Useful information includes, for example, advertisements, URLs such as web pages and blogs, help, and secondary use.
- FIG. 6 is a table 180 showing an example of useful information held in the useful information holding unit 130.
- Column 1 8 4 is an address indicating the storage location of useful information to be presented to the user, and
- column 1 8 2 is a keyword for deriving useful information in column 1 8 4. Multiple keywords may be defined for one piece of useful information.
- useful information corresponding to the keypad is stored in the useful information holding unit 13 30 in advance when the portable information device 10 is shipped. You may keep it. Alternatively, periodically updated useful information may be acquired from the server 12 accessed by the portable information device 10. If the words extracted by the word extraction unit 1 0 6 are added to the keyword holding unit 1 1 0 one after another, a large number of combinations of keywords and useful information are prepared on the server 1 2 side. When a keyword is added to the mobile information device 10 may access the server 12 to obtain useful information corresponding to the keyword. When presenting advertisements, news, website information, etc. as useful information, the freshness of the information is important, so it is preferable to download useful information from the server as appropriate.
- the useful information selection unit 1 5 0 receives the priority key table from the weight processing unit 1 2 0, and selects useful information corresponding to the priority keyword from the useful information holding unit 1 3 0. The selected useful information is passed to the display control unit 1 5 2.
- Useful information holding unit 1 3 0 force When holding a combination of a plurality of keypads and useful information, the useful information selection unit 1 5 0 is a combination of a plurality of priority keypads. Useful information that matches In order to select useful information from a plurality of keypads, a well-known vector search technique may be used. Selecting useful information based on multiple keys increases the probability that useful information that matches the user's interest will be presented.
- the display control unit 15 2 displays the useful information output from the useful information selection unit 15 50 on the display screen 220.
- FIG. 7 shows an example of a state in which useful information is displayed by the display control unit 15 2.
- the display control unit 1 5 2 overlays the window 2 2 2 displaying the file opened by the application program and displays useful information in another window 2 2 4. If an area for displaying useful information is prepared on the screen created by the application program, the display control unit 1 5 2 passes the useful information to the application program to create a screen containing the useful information. Also good.
- the feedback receiving unit 15 4 receives an input of evaluation whether or not the user is interested in the content of the file from which the useful information is presented.
- the evaluation input In other words, in order for useful information to be meaningful to the user, search the useful information holding section 1 3 0 for appropriate useful information based on the files processed by the access processing section 1 0 4. It's up to you. For this purpose, a key key that can obtain useful information more advantageous for the user needs to be determined as a priority key key.
- the key included in such a file is a key that has a high importance in selecting useful information. This is based on the knowledge of the present inventor that it is included. Specifically, the key words contained in files with high user interest and files with low interest are totaled and given weights. Then, for each keyword extracted when another file is opened, the priority key is determined by comparing the weights assigned.
- the feedback reception unit 1 5 4 determines whether the user is interested in the file below the file window 2 2 2 and the useful information window 2 2 4.
- a window 2 2 6 for entering the evaluation is displayed.
- the windows 2 2 6 display check boxes 2 2 7 and 2 2 8 for “interested” and “not interested” respectively.
- the feedback reception unit 1 5 4 acquires the information.
- a button (not shown) provided in the portable information device 10 is given a role for inputting “interested” and “not interested” evaluations. It may be done.
- the feedback reception unit 1 5 4 acquires the information.
- “interested” and “not interested” generally indicate whether the user gives a good evaluation based on a certain evaluation axis to the contents of the file or gives a bad evaluation. It is a term that expresses it. Therefore, “I'm interested” and “I'm not interested”, “I like” and “I hate”, “I'm interested” and “I'm not interested” ”,“ Take positive ”and“ take negative ”can be replaced without any limitation to expressions that give relative evaluation based on a certain evaluation axis. You may be allowed to give a more detailed evaluation instead of selecting one. For example, four evaluations such as “very interested”, “a little interested”, “not much interested”, and “not interested at all” may be provided so that the user can select one of them.
- the user's degree of interest may be input numerically. As an example, “5” is input when the interest is the highest, and “1” is input when the interest is the lowest.
- the weight adjustment unit 1 5 6 adjusts the weight associated with the keyword selected by the weight processing unit 1 2 0 based on the evaluation input from the user, and the adjusted weight. It is recorded in the keyword holding unit 1 1 0. In particular,
- the weight adjustment unit 1 56 may not adjust the weight when it is determined that there is no input from the user before the predetermined trigger is generated. This is to avoid reflecting the result when there is no explicit evaluation from the user.
- FIG. 8 is a table 2 30 showing the weight for each keyword after being adjusted by the weight adjustment unit 1 56.
- the weight adjusting unit 1 5 6 receives the keyword group selected this time from the weight processing unit 1 20 and uniformly sets the positive weight W p associated with each keyword in the column 2 3 2 to “1”. ”Is added and stored in the keyword holding unit 1 1 0. Therefore, in Fig. 8, the positive weight in column 2 3 4 is increased by one relative to the positive weight in column 2 1 4 in Fig. 4.
- the weight adjustment unit 1 5 6 Adds “1” to the negative weight WJ uniformly in column 2 3 6 and stores it in the key holding unit 1 1 0.
- the evaluation When any of three or more evaluations are selected by the user, such as “very interested”, “a little interested”, “not very interested”, or “not interested at all”, the evaluation Depending on the degree, the difference between the added values of the positive weight or negative weight may be added. For example, if you are “very interested” or “a little interested”, add the positive weights to “2” and “1” respectively. If you are “not very interested” or “not interested at all”, Add negative weights by "1” and "2" respectively. In addition, when the evaluation is input numerically, a difference may be added to the added value of the positive weight and negative weight depending on the numerical value.
- weights are added to all the keyword groups selected from a certain file according to the evaluation result for the file.
- FIG. 9 is a flowchart of presentation of useful information and weighting processing for keys in the information display unit 100.
- the access processing unit 104 processes the file access specified by the system call (S 10).
- the phrase extraction unit 106 acquires the file accessed by the access processing unit 104, and extracts a phrase from the text data included in the file according to a predetermined extraction rule (S12).
- the weight processing unit 1 2 0 acquires from the keyword holding unit 1 1 0 a keyword that matches the phrase extracted by the phrase extraction unit 1 0 6 (S 1 4). Subsequently, the weight processing unit 120 determines priority keywords based on the weights associated with the selected keywords (S 16). The priority keyword is passed to the useful information selection unit 1 5 0. The useful information selection unit 1 5 0 acquires the useful information associated with the priority keyword from the useful information holding unit 1 30 and outputs it (S 1 8).
- the display control unit 1 5 2 displays a screen for allowing the user to input whether or not the user is interested in the file currently displayed on the display, and evaluates the user. Prompts you to enter (S 2 0). This is For example, you may want to display an input screen with a message such as “Please enter your interest in the file”, or just display the input screen and only the user who notices respond. You may make it into a shape. As described above, in this embodiment, the evaluation for the useful information as the search result is not received from the user, but the evaluation for the file from which the key key for searching the useful information is extracted is received from the user.
- the feedback reception unit 1 5 4 receives the information.
- the weight adjusting unit 1 56 adjusts the affirmative weight and negative weight of all keywords selected by the weight processing unit 120 according to the input result (S 26).
- predetermined trigger refers to a trigger that terminates waiting for input from the user, such as the passage of time, some user operation, or processing of an application program that processes a file. If the predetermined trigger has not occurred (1 of 1 in 3 2 4), return to S 2 2 and wait for input from the user. When a predetermined trigger occurs (step 3 2 4), the feedback reception unit 15 4 tells the weight adjustment unit 1 56 not to adjust the keyword weight (S 2 8).
- a key word is extracted from the file that is the target of file access, and useful information is presented to the user based on the key word.
- the user's evaluation for the file is accepted. Based on this evaluation, the weight of each keyword extracted from the file is adjusted. The weighted keywords are used as a basis for selecting useful information to present to the user in relation to the file.
- the weighting according to the evaluation input from the user may be limited to when there is an explicit input from the user.
- the user's interest in a file is not always constant, but changes over time, so it is useful to perform this weighting from time to time. For example, if the same file is opened many times, the user's interest will not change greatly in a short period of time, so the user will not input after that after entering the evaluation several times. In such a case, it is prevented that the weight of a keyword becomes too large.
- the user evaluates the entire file, and the weight according to the evaluation is accumulated for each key. Therefore, whether or not there is a concern for each key. There is no inconvenience like judging. By repeating the evaluation of the file, the tendency of interest in keywords gradually becomes clear.
- weights cancel each other out with affirmation and denial, and the keyword preference It becomes difficult to see the trend.
- weights since the weight is divided into the positive weight and the negative weight, the positive and negative evaluations are not mixed, and the user's preference is likely to appear more clearly.
- the useful information selection unit selects useful information corresponding to the assigned key key having a large weight, the following problem occurs. For example, if the same file is referenced repeatedly for a certain period of time, the weight given to the keyword contained in the file becomes high. As a result, the higher-order key in the weight comparison in the information selection unit is fixed, and only the same useful information is always displayed.
- the keyword holding unit 110 may discount the weight stored in association with each keyword with the passage of time. For example, the keyword holding unit 110 is assigned to all keywords every time a predetermined period elapses. The weight can be discounted by subtracting the same value from the weight or multiplying by a predetermined coefficient. In this way, the old weight in time is discounted many times over time, so the effect is relatively small, and conversely, the weight assigned to the keypad after the last weight is discounted. Recent weights are relatively dominant. The contribution ratio of the weight given according to the evaluation by the user or the evaluation prediction unit for the recently opened file increases. Therefore, useful information with a large contribution ratio of recent evaluation results is likely to be presented. In other words, useful information suitable for the current user's interest is easily selected by the useful information selection unit 1550.
- the keyword holding unit 110 may discount the weight associated with the key according to the passage of days since the keyword was first recorded.
- the keyword holding unit 110 must include a key record recording history table that records the date when the keyword was first recorded.
- the function of selecting, displaying, and weighting the useful information according to the present embodiment may be incorporated in the portable information device as part of the function of the operating system. preferable.
- weighting is performed on a file called from an arbitrary application program executed on the operating system. Can. Therefore, since keywords can be extracted from a wide variety of files, the accuracy with which useful information matching the user's interest can be presented can be improved. However, this does not exclude the implementation in which some of the functional blocks of the information display unit are executed by another application.
- the information display unit prior to the user's evaluation of the file, checks whether the file is of interest to the user. Output the evaluation prediction for. The key weight is adjusted according to the user's response to the prediction result.
- FIG. 10 shows an information display unit 2 0 0 according to the second embodiment.
- each functional block can be implemented in various ways by hardware only, software only, or a combination of both.
- functional blocks assigned with the same reference numerals have the same functions as the functional blocks shown in FIG. Therefore, explanation of these is omitted.
- an evaluation prediction unit 1 60 is added between the weight processing unit 1 2 0 and the useful information selection unit 1 5 0.
- the evaluation predicting unit 1 60 includes a weight adding unit 1 6 2 and an evaluation determining unit 1 6 4.
- the weight addition unit 1 62 receives each keyword selected by the keyword selection unit 1 2 2 and obtains the sum of the positive weight and the negative weight associated with each key table.
- the evaluation decision unit 1 64 determines whether the user is interested in the contents of the file according to the magnitude relationship between the sum of the positive weight and the negative weight, and outputs the result as a prediction result.
- column 2 1 2 is the keyword selected by the keyword selection unit, and column 2 1 4 and column 2 1 6 represent the positive weight and negative weight associated with each keyword.
- the weight addition unit 1 6 2 adds positive weights and negative weights for all keywords to obtain a sum 2 1 8 as shown in FIG.
- the evaluation deciding unit 1 6 4 compares the sum of positive weights W P with the sum of negative weights n W n and decides the larger one as the evaluation prediction of the file. In other words, if the sum of positive weights is large, the file is predicted as “interested”, and if the sum of negative weights is large, the file is predicted as “not interested”.
- the display control unit 1 5 2 includes a sign for notifying the user of the prediction result by the evaluation prediction unit 1 60 and a sign for prompting an answer as to whether or not the prediction result matches the evaluation by the user. Displayed on the display of the portable information device 10.
- Figure 12 shows the prediction results from the evaluation prediction unit 1600 and the application screen. Also, the screen 2 40 when displayed on the display is shown.
- the display control unit 1 5 2, the window 2 4 2 of the file and the window 2 4 4 of the useful information, the indication 2 4 6 indicating the prediction evaluation by the evaluation prediction unit 1 60 for the file, and the user's judgment for it Displays a window 2 5 0 containing checkboxes 2 4 8 for entering. If the prediction result differs from the user's evaluation of the file, the user checks the check box 2 4 8.
- the feedback reception unit 1 5 4 acquires the information.
- the weight adjustment unit 1 5 6 adjusts the weight associated with the key map based on the answer result.
- FIG. 13 is a flowchart of the process of presenting useful information and weighting the key in the information display unit 100. Since S 30 to S 3 8 are the same processing as S 10 to S 1 8 in FIG.
- the evaluation predicting unit 160 determines the evaluation of the file according to the weight associated with the keyword.
- the display control unit 15 2 displays a sign indicating the prediction result on the display (S 4 2), and prompts the user to input the judgment (S 4 4).
- the feedback receiving unit 15 4 receives the information.
- the weight adjustment unit 1 56 adjusts the positive weight or negative weight of all the keys selected by the weight processing unit according to the input result (S 5 0).
- the input from the user in S 4 6 is the output of the evaluation prediction unit 1 60 Only when the prediction result is incorrect. Therefore, the weight adjustment unit 1 5 6 adds the negative weight of each key word when the prediction result is “interested”, and each key ⁇ when the prediction result is “not interested”. Add one positive weight.
- the feedback reception unit 1 5 4 determines whether or not a predetermined trigger has occurred (S 4 8). If the specified trigger has not occurred (3 4 8! ⁇ 1), return to S 4 6 Wait for your input. When a predetermined trigger occurs ( ⁇ of 3 4 8), the feedback reception unit 1 5 4 adjusts the weight of the keyword to the weight adjustment unit 1 5 6 based on the prediction result of the evaluation prediction unit. (S 5 2) In other words, when there is no input from the user, the evaluation prediction and the user's evaluation are considered to match, and the weight adjustment is performed according to the prediction result by the evaluation prediction unit 160. Specifically, the weight adjustment unit 1 5 6 adds an affirmative weight for each keyword when the prediction result is “interested”, and each key ⁇ when the prediction result is “not interested”. Add a negative weight.
- the file evaluation is predicted prior to the user's evaluation according to the weight associated with the keyword. Then, a determination is made as to whether the prediction result matches the user's evaluation. In this way, when the prediction result is the same as the user's evaluation, the user does not need to perform any operation. Therefore, if the prediction accuracy is improved, the operation load on the user can be reduced.
- the affirmative weight and negative weight associated with each key map are used in two ways, when selecting useful information and when predicting evaluation. Predicting ratings makes it harder for users to be suspicious of the need to evaluate files.
- the weight processing unit 1 2 0 receives from the keyword holding unit 1 1 0 You may try to avoid selecting keywords.
- FIG. 14 is a flowchart showing this process.
- the weight processing unit 1 2 0 has the accessed file having a predetermined extension Whether or not (S 6 0). For example, it is determined whether the extension represents a movie file or an audio file. If it is a predetermined extension (3 of 3 60), the key selection selector 1 2 2 does not select the key selection and stops further processing.
- predetermined conditions include, for example, when most of the extracted words are numbers and symbols, and when many of the same words are extracted. If the specified conditions are met ( ⁇ of 3 6 2), it is considered that the appropriate useful information cannot be selected even if the subsequent processing is continued, so the key selection selector 1 2 2 selects the key selection. Without subsequent processing, the subsequent processing is stopped (S 6 4). If the predetermined condition is not met in S 6 2 (N in S 6 2), the process returns to S 14 in FIG. 9 and the subsequent processing is continued.
- the feedback reception unit 1 5 4 includes a history holding unit (not shown) that holds a history of evaluation of the contents of the file, and is different from the tendency of the past evaluation with reference to the held history.
- a sign that prompts the user to reconfirm the evaluation may be displayed on the screen.
- Fig. 15 shows an example of the evaluation history held in the history holding unit.
- Column 2 5 2 is the key
- column 2 5 4 is the prediction result by the evaluation predictor or the history of the evaluation entered by the user.
- “P” indicates the evaluation of “Interested”
- “N” indicates an evaluation of “not interested”.
- keyword B if “P” or “N” continues for a predetermined number of times, or if the percentage of “P” or “N” in the past predetermined number of evaluations is greater than or equal to the threshold, The feedback reception unit 1 5 4 determines whether the past evaluation trend matches the current evaluation. If it is determined that the past evaluation trend and the current evaluation do not match, the feedback reception unit 1 5 4 changes the evaluation and the sign that prompts the user to confirm whether or not the evaluation given to the current file is appropriate. A check box is displayed on the display for checking.
- the weight adjustment unit 1 5 6 is based on the evaluation of the file contents by the user.
- a file access addition unit that adds weights determined according to the access status of the file may be provided.
- FIG. 16 is a functional block diagram showing the configuration of the file access addition unit 170.
- the file access adding unit 1 70 receives the weight according to the access status by the access processing unit 10 4 for the file and the weight according to the type of the file for each of the individual obtained from the keyword holding unit 1 1 0. Add to the weight associated with the keyword.
- access status comprehensively represents the mode of access to a file by the access processing unit 104, and more specifically, "access count” and "access type” There is.
- the number of accesses is the total number of accesses to the file by the access processing unit 104 for each file.
- the access type corresponds to the type of file access specified by the system call, and more specifically indicates file open, close, rewrite, etc.
- the access status is not limited to these. For example, a weight corresponding to the access frequency may be set so that a special weight is given when a file is repeatedly accessed within a certain period of time.
- the file access adding unit 170 has a plurality of tables in order to assign weights according to the access status and file type.
- the file type table 1 7 2 defines the weight for each file type. This is appropriately determined according to the degree of interest of each file type by the user. For example, a higher weight is defined than other files according to the positioning “HTM L cache files are relatively interesting objects”.
- the file access adder 1 7 0 obtains the file extension when an access by the access processor 1 0 4 occurs, determines the file type, and determines the weight according to the file type table 1 7 2 .
- the access type table 1 7 4 defines a weight according to the type of access by the access processing unit 1 0 4. Fuzz that is considered to be highly regarded by users For mail access, it is preferable to give a relatively high weight. For example, a keyword included in a file to be updated is considered to have a high degree of user's attention, so a higher weight is defined than open / close access.
- the access count table 1 7 6 defines a weight for each access count to each file.
- the number of file accesses is recorded for each file held in the file holding unit 102.
- the file access addition unit 1 70 obtains the file name of each file held in the file holding unit 1 0 2 when an access is generated by the access processing unit 1 0 4 or periodically at a predetermined timing. To do.
- the access processing unit 10 4 accesses a file held in the file holding unit 10 2
- the access processing unit 10 4 transmits that fact to the file access adding unit 170.
- the file access addition unit 1700 increments the access count corresponding to the file name in the access count table 176 in response to the information from the access processing unit 104.
- the file access adding unit 1700 refers to each of the above tables 1 7 2 to 1 7 6 to determine the file type, access type, and file type of the file accessed by the access processing unit 1 0 4 Calculate the sum of weights according to the number of accesses, and add the sum to the weights associated with each keyword.
- the weight according to the file type, the access type, and the number of accesses is w f , w a , w
- the added value of the positive weight is W p
- the previous value of the weight is the weight of the keyword. Is given by
- k can balance the weight of the file access with the positive weight It is a coefficient to make. The value of k may be determined by experiments or simulations so that appropriate useful information can be obtained.
- the evaluation that the user inputs to the open file is only one time.
- a file evaluation function is assigned to a button, and a plurality of button operations by a user can be directly input as a weighted addition value.
- the weight adjustment unit adds an affirmative weight as many times as the button is pressed. In this way, the contribution rate of positive weight or negative weight given to a keyword can be canceled by pressing many buttons with the opposite meaning.
- the weight added to each keyword according to the user's evaluation of the file is used for selecting useful information.
- the weight associated with each key can also be used for other purposes. For example, the following applications using the positive weight of each key field are conceivable.
- the weight of the key field is reflected in the display order of F E P conversion candidates. For example, when displaying candidate conversion candidates for characters typed in by the user, keywords that can be conversion candidates are selected from the keywords held in the key keyboard holding section, and further linked to each key keyboard. The higher affirmative weights are displayed at the top of the conversion candidates. In this way, the hit rate of speculative conversion is improved by using the positive weight associated with the keyword.
- the same method can also be applied to display the kana-kanji conversion candidates for homonyms.
- the weight of the key map is reflected in the display order of the search results of the search engine. For example, when multiple web sites are searched by a search engine, the text information of the home page of each site is acquired in advance, and is stored in the key table holding unit from the words extracted from the text. Select a keypad. Then, the sum of the affirmative weights associated with the selected keys is obtained, and a website with a large sum is displayed at the top of the search results.
- the key phrase having a large affirmative weight is displayed with priority.
- the useful information selection unit and the useful information holding unit may exist on the server side accessed by the portable information device 10.
- the weight processing unit 120 determines the priority key class according to the weights assigned to the plurality of keywords, and transmits the priority key class to the server 12.
- the useful information selection unit on the server 12 side selects useful information associated with the priority keyword from the useful information holding unit, and transmits the useful information to the portable information device 10.
- the display control unit 15 2 receives the sent information and displays it on the display of the portable information device 10. In this way, by placing the useful information holding unit on the server, useful information corresponding to the keypad can be constantly updated and added on the server side, so the latest useful information can be given to users of portable electronic devices. Can be presented.
- the information display unit according to the present invention is mounted on a portable information device such as a mobile phone, a PDA, and a force navigation device having a data communication function. It goes without saying that it can also be implemented on stationary hardware such as PCs.
Description
Claims
Priority Applications (3)
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US12/515,737 US20100076965A1 (en) | 2006-11-20 | 2007-11-07 | Information display device, information display program and information display system |
CN2007800430402A CN101553816B (zh) | 2006-11-20 | 2007-11-07 | 信息显示装置以及信息显示系统 |
JP2008545307A JP5160442B2 (ja) | 2006-11-20 | 2007-11-07 | 情報表示装置、情報表示プログラムおよび情報表示システム |
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JP2006-313134 | 2006-11-20 | ||
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JP (1) | JP5160442B2 (ja) |
CN (1) | CN101553816B (ja) |
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CN101553816B (zh) | 2012-02-22 |
US20100076965A1 (en) | 2010-03-25 |
JP5160442B2 (ja) | 2013-03-13 |
JPWO2008062552A1 (ja) | 2010-03-04 |
CN101553816A (zh) | 2009-10-07 |
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