WO2006125660A2 - Selection automatique de la langue pour le texte saisi dans le cadre d'un message - Google Patents

Selection automatique de la langue pour le texte saisi dans le cadre d'un message Download PDF

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Publication number
WO2006125660A2
WO2006125660A2 PCT/EP2006/005025 EP2006005025W WO2006125660A2 WO 2006125660 A2 WO2006125660 A2 WO 2006125660A2 EP 2006005025 W EP2006005025 W EP 2006005025W WO 2006125660 A2 WO2006125660 A2 WO 2006125660A2
Authority
WO
WIPO (PCT)
Prior art keywords
language setting
language
text message
wireless communication
electronic equipment
Prior art date
Application number
PCT/EP2006/005025
Other languages
English (en)
Other versions
WO2006125660A3 (fr
Inventor
Maria Rang
Marcel Wong
Original Assignee
Sony Ericcson Mobile Communications Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from EP05011530A external-priority patent/EP1727024A1/fr
Application filed by Sony Ericcson Mobile Communications Ab filed Critical Sony Ericcson Mobile Communications Ab
Priority to CN2006800272300A priority Critical patent/CN101248407B/zh
Priority to US11/915,624 priority patent/US8364134B2/en
Publication of WO2006125660A2 publication Critical patent/WO2006125660A2/fr
Publication of WO2006125660A3 publication Critical patent/WO2006125660A3/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
    • G06F3/0233—Character input methods
    • G06F3/0237—Character input methods using prediction or retrieval techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/06—Message adaptation to terminal or network requirements
    • H04L51/063—Content adaptation, e.g. replacement of unsuitable content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
    • H04M1/72436—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages for text messaging, e.g. short messaging services [SMS] or e-mails
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/58—Details of telephonic subscriber devices including a multilanguage function

Definitions

  • the present invention relates to a control of the keypad input mode for characters on mobile terminals, particularly to a keypad input mode control enabling an adaptation of the keypad input mode to the language currently used in a message.
  • the telephone keypad consists of number keys and additional symbol keys.
  • a variety of theses keys additionally have an alphabetic or special character assigned to it for enabling an entry of text on the equipment.
  • the alphabetic characters 'a' to 'z' and some special characters are usually distributed over a subset of the keys.
  • As a western style alphabet typically comprises at least 26 characters or more, up to three or four characters are usually grouped on one key.
  • the multiple assignation of numbers and characters results in an ambiguity that complicates the creation of text messages on the wireless communication equipment.
  • An example for a respective keypad with multiple key assignment is shown in Figure 1.
  • Multitap or multitap-mode is a general purpose text input method where a user presses each key one or more times to specify the desired character.
  • a key being assigned the characters 'm ⁇ 'n ⁇ and O' will have for instance to be pressed once to obtain the character 'm ⁇ twice in short sequence for obtaining the character 'n', and thrice in short sequence to enter the character O'.
  • Operational problems arise for a double-entry of one and the same character or when two characters to be inputted consecutively are provided on the same key.
  • a user will then usually have to wait for a certain period of time after each character entry before the system is ready to accept a further character or number entry. Due to this time consuming and inefficient process slowing down the creation of a text message, the multitap-mode is generally not well liked by users of an electronic equipment for wireless communication, even though the key input sequence is accurately defined for each character or number.
  • Another way to overcome the ambiguity associated with multiple key assignment is to add a dictionary to the system and compare each key input sequence with the content of the dictionary for guessing the text entered.
  • a respective key input mode technique is known as a dictionary-based disambiguation mode.
  • Commercial examples for this type of text input mode are for instance the T9, eZiText, and iTAP text input modes.
  • the guess of the intended text input is typically based on the probability by which a certain key input sequence corresponds to a certain text element like a word. This probability is language dependent. Assumed that the characters 'a', 'b ⁇ and 'c' are assigned to key '2', the characters Y, 'u', and V to key '8', and the characters 'd',' 'e ⁇ and T to key '3', then a key input sequence of the form key '2' - key '8' - key '3' will result in the text element 'etz (the German equivalent to the English 'on') when using a dictionary-based disambiguation mode related to the German language and in the text element 'bud' when using a dictionary-based disambiguation mode related to the English language.
  • the interpretation of the key input sequence depends strongly on the language related to the dictionary-based disambiguation mode used.
  • the term of a language being related to a dictionary-based disambiguation mode means that the dictionary used for the disambiguation mode is of the respective language.
  • a dictionary-based disambiguation mode comprises not only the dictionary itself but at least also the probabilities, by which each text element or word of the dictionary can be assigned to a certain key input sequence.
  • the present invention comprises a method of controlling a keypad input mode for a text message entered on an electronic equipment for wireless communication comprising steps for determining a language setting for the text message and for setting the keypad input mode to a dictionary-based disambiguation mode relating to the determined language setting.
  • the language setting used at the beginning of the text message is hereby determined corresponding to the language setting used for the last text message entered on the electronic equipment for wireless communication or corresponding to the language determined for a received text message to be replied by the text message, and the language setting is subject to be changed if matches for a predetermined number of text elements entered for the text message are present in a further dictionary-based disambiguation mode relating to a different language setting.
  • the present invention further comprises an electronic equipment for wireless communication with a language-sensitive keypad input mode control for a text message entry with a keypad having at least one key to which more than one character is assigned for alphabetic input, a language setting determination means for determining a language setting, and a keypad control means adapted for controlling the keypad input mode in correspondence to a dictionary-based disambiguation mode relating to a language setting determined by the language setting determination means.
  • the language setting determination means is hereby adapted to determine the language setting used at the beginning of the text message corresponding to the language setting used for the last text message entered on the electronic equipment for wireless communication or corresponding to the language determined for a received text message to be replied by the text message, and the language setting determination means is also adapted to change the language setting if matches for a predetermined number of text elements entered for the text message are present in a further dictionary-based disambiguation mode relating to a different language setting.
  • the present invention still further provides a computer software product for controlling a keypad input mode for a text message entered on an electronic equipment for wireless communication according to the present invention, whereby the computer software product is adapted, when loaded into a memory and processed by a data processing means of an electronic equipment for wireless communication to perform thereon a method according to the present invention.
  • the present invention implements an adaptation of the keypad input mode to a language used for a text entry of a text message in a very effective way. It makes use of the fact, that the language used for drafting a text message is more likely that of the previously entered text message or, if a received text message is to be replied with the current text message, that of the received text message, and not a default language. A further improvement is achieved by monitoring the language setting at least after the first language setting determination.
  • the language setting used for the text message entered last on the electronic equipment for wireless communication is advantageously provided in a data file enabling a language setting determination with a minimum effort.
  • the language of that message is advantageously determined by examining the text elements of the received text message with each of the dictionary-based disambiguation modes available on the electronic equipment for wireless communication and by defining the language of the received text message as the language of the dictionary-based disambiguation mode yielding the highest percentage of matches with a predetermined number of text elements at the beginning of the received text message or with all text elements of the message.
  • the text elements of said predetermined number of entered text elements follow each other without interruption so that a change in the language underlying the keypad input sequence is determined with a high reliability.
  • a change of the language setting for the text message entered may further advantageously comprise a request for a user confirmation for achieving a correct language setting. If at least two alternative matches are provided by one or more dictionary-based disambiguation modes for a text element entered, a decision on the correct alternative is preferably obtained by means of a request for selecting the appropriate match outputted to the user.
  • the language setting used for the text message entered is fixed when a predetermined number of alternative matches selected by the user is provided by one and the same dictionary-based disambiguation model, as this indicates that the emphasis of the text message shifts to a different language.
  • a language setting is preferably determined as the language related to a dictionary-based disambiguation mode that provides a percentage of matches, which equals or exceeds a pre-set threshold value for a text being examined with the dictionary-based disambiguation mode. If a predefined number of text elements at the beginning of a text message show a percentage of matches that is below a pre-set value with each dictionary-based disambiguation mode available on the electronic equipment for wireless communication, the language setting is advantageously determined to be a default language setting or to be an instruction for setting the keypad input mode to multitap-mode.
  • the language setting determined for a received message is effectively stored in relation to a phonebook entry related to the sender of the received message and used with the next message destined to said sender.
  • the electronic equipment for wireless communication may advantageously be formed by a mobile radio terminal, since it is the most commonly used appliance for wireless telecommunication.
  • FIG. 1 is a schematic representation of an electronic equipment for wireless communication according to the present invention.
  • FIG. 2 is a flowchart showing the method steps according to an embodiment of the present invention.
  • FIG. 1 An embodiment of an electronic equipment for wireless communication according to the present invention is shown in form of a schematic representation in Figure 1. Only those components necessary for the understanding of the present invention are indicated in the figure. Further components which are necessary for the operation of a respective electronic equipment or components serving additional features, like e.g. an antenna, a baseband circuit, a security means, function keys or the like have been omitted for the sake of clarity but are deemed as components present in the equipment.
  • the term electronic equipment also includes portable radio communication equipment.
  • portable radio communication equipment which is hereinafter referred to as a mobile radio terminal, includes all equipment such as mobile telephones, pagers, and communicators like electronic organisers, smartphones or the like more.
  • the mobile radio terminal 1 is equipped with a transceiving means 2 for transmitting and receiving information like e.g. text messages to and from a wireless communication network. All operations of the mobile radio terminal 1 are controlled by a central processing means functioning as the central control means 7. It uses a storage means 3 for reading and writing information required or created during the operation.
  • a transceiving means 2 for transmitting and receiving information like e.g. text messages to and from a wireless communication network. All operations of the mobile radio terminal 1 are controlled by a central processing means functioning as the central control means 7. It uses a storage means 3 for reading and writing information required or created during the operation.
  • the mobile radio terminal 1 further comprises a keypad 8 formed by an array of individual keys, which are usually used to enter numbers for establishing a communication line.
  • the keypad also usually comprises further special function keys (not shown), which are typically used to browse through a menu structure for getting access to different functions of the equipment and for selecting items provided by the menu.
  • key assignments different to the above described are activated.
  • a respective example for a multiple key assignment is indicated for a number of key representations in Figure 1.
  • three or more alphabetic characters are grouped on one key with further special characters being additionally assigned to such a key.
  • the keypad 8 is operated by means of a keypad control unit 6, which is among other things responsible for controlling the keypad input mode in correspondence to a dictionary-based disambiguation mode related to a language setting determined by the language setting determination means 4.
  • Visual and audible communication with a user of the mobile radio terminal 1 is managed using the audio-visual interface 5 comprising at least a display, a microphone and a loudspeaker.
  • the control of the mobile radio terminal 1 is for the most part implemented by software suited for being executed by the processing means 7.
  • the software is typically stored in the storage means 3. It comprises instructions, which are adapted to have the processing means 7 perform a control mechanism in correspondence to a method according to the present invention as described below.
  • the software can be stored in a non-volatile section of the storage means 3 when the mobile radio terminal 1 is turned off. Updates of the software, particularly those comprising routines that enable a language sensitive keypad control according to the present invention can be received wirelessly by the transceiving means 2 of the mobile radio terminal 1 or through one of the data-ports like an IrDA (Infrared Data Association) or USB (Universal Serial Bus) interface if available on the electronic equipment.
  • IrDA Infrared Data Association
  • USB Universal Serial Bus
  • step SO After starting the editing mode for a text message in step SO, the language determination means 4 determines in step S 1 the language setting used for the last text message or if a received text message is to be replied, the language setting complying with the received text message.
  • the determination of the language setting used for the last text message entered on the mobile radio terminal 1 can be accomplished in several different ways from which the most simple reads the respective language setting from a data file providing the required information.
  • the data file can be formed by a separate data file listing the language setting of the last or of a few of the past text messages entered on the mobile radio terminal 1. Like other files, it is stored in a memory of the storage means 3 like for instance in a built in memory or in a sort of shadow memory on a Subscriber Identity Module.
  • the language setting information is contained within the data file containing the respective last text message.
  • the determination of the language setting is accomplished by reading the respective language information from this received text message.
  • the respective information is preferably stored in a data file containing at least a phone-book entry related to the sender of the received message.
  • the language setting is read from that data file, which provides this language information preferably in direct connection with the phone-book entry.
  • the language setting is determined by analysing the text contained in the text message taken as the basis for specifying a current language setting.
  • the respective text message is either formed by the text message entered before, i.e. the last text message entered on the mobile radio terminal 1 or by a received text message to be replied by the text message currently entered.
  • the text analysis itself is typically performed by splitting up the message in individual text elements corresponding to words, numbers or abbreviations, which are then one after another examined with various dictionary-based disambiguation modes present on the mobile terminal 1.
  • Each of the dictionary-based disambiguation modes is related to a different language and results a number of matches for the examined text, whereby each match may be furnished with a probability for its identification.
  • the matches are then added for each dictionary-based disambiguation mode separately and are possibly also weighted with the determined probabilities.
  • the language setting assigned to the dictionary-based disambiguation mode resulting the most and/or most likely matches is taken as the one to be determined.
  • the percentage of the direct or weighted matches in an analysed text is monitored according to an alternative embodiment for determining the language setting of a text message.
  • a corresponding analysis of a message may be confined to a predefined number of text elements at the beginning of the message only, but may also be extended to the complete text of the message.
  • the language related to the dictionary based disambiguation mode resulting in the highest percentage of matches is then taken as the language setting to be determined. This type of a language determination is preferably used when examining a received text message to be replied.
  • the determination of the language setting requires that the percentage of matches obtained with a dictionary disambiguation mode equals or exceeds a pre-set threshold value. If the percentage of matches obtained with each dictionary-based disambiguation mode available on the electronic equipment for wireless communication 1 is below a pre-set threshold value for a predefined number of text elements at the beginning of a text message, the language setting will either be determined as a default language setting or as an instruction for setting the keypad input mode to multitap-mode.
  • step S2 the keypad input mode is set to employ a dictionary-based disambiguation mode related to the language setting determined in step Sl.
  • the thus set keypad disambiguation mode interprets the ambiguous key input sequences in correspondence with the underlying disambiguation model and transforms the key input in text of a language according to the determined language setting.
  • the keypad input sequences are in addition examined in step S3 for alternative matches by different dictionary-based disambiguation modes that are available on the mobile radio terminal 1. This means that the dictionary-based disambiguation modes related to other languages than that of the current language setting monitor the keypad mediated text entries for alternative matches. If an alternative match is found in step S4 this match may be used in two different ways.
  • a user selection mode activated on the mobile radio terminal 1 allows a user in step S5 to accept a text element corresponding to an alternative match in a language different to the predominant language of the text message.
  • the user may further be enabled to not only select the individual match, but also to change the current keypad disambiguation mode to the dictionary-based disambiguation mode providing the selected match.
  • step S6 If no respective user selection mode is active on the mobile radio terminal, the alternatively determined matches are counted separately for each dictionary-based disambiguation mode in step S6, which may also succeed step S5 described above. If it is found in step S7 that the predetermined number of counts is not obtained for a certain dictionary-based disambiguation mode, the method returns to step S3. Else, a change of the current language setting to a language setting according to the dictionary-based disambiguation mode furnishing the predetermined number of counts is made subject to a query in step S8.
  • the predetermined number of counts may be set to any natural number greater than zero.
  • step S8 checks if the keypad input mode is to be changed automatically or requires a user confirmation. If the keypad input mode change requests a user confirmation, this confirmation is requested in step S9 by e.g. placing a respective information on the display of the mobile radio terminal 1. If the response of the user to the request is positive, the language setting is changed in step S 10 with the keypad disambiguation mode changed accordingly. If the user response is negative, the method proceeds directly to step SIl, where it is checked if the entry of text for the text message has been terminated. Step SIl also follows step SlO. Upon the entry of text for the text message detected to be terminated, the method ends in step S 12. If the entry of text continues, the method proceeds with step S3.
  • the keypad input mode set on starting the text editing mode is monitored in the described way and changed on condition of the key input sequence entered yielding a better match with a different keypad input mode.
  • the new mode is preferably fixed.
  • the monitoring of the key input sequences may be continued to enable text messages having text elements originating from a language different to the language prevailing in the text message.
  • the count number is reset to zero upon no match found with the disambiguation mode having provided a match for the preceding text element.
  • the predetermined number of counts is only achieved for consecutively entered text elements having matches in one and the same disambiguation mode.
  • the present invention enables a very flexible handling of the keypad input mode allowing a user to draft text messages in different languages with a minimum of user interaction. Particularly when waiving the user confirmation according to step S9, a user interaction is reduced to only those cases, where multiple equivalent matches are found in different language disambiguation modes.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Document Processing Apparatus (AREA)
  • Telephone Function (AREA)

Abstract

Cette invention concerne un procédé de commande du mode d'entrée par clavier d'un message saisi sur un appareil électronique de communication sans fil (1). Ce procédé consiste (S1) à sélectionner la langue pour le message texte et (S2) à sélectionner le mode d'entrée clavier selon un mode de désambiguïation à base de dictionnaire pour la langue sélectionnée. Le réglage de langue utilisé au début du message texte est ainsi fixé comme le réglage de la langue utilisée pour le dernier message texte saisi dans l'appareil électronique de communication sans fil (1) ou comme la langue fixée pour un message texte reçu demandant une réponse texte. La langue est sélectionnée sous réserve de changement si des correspondances sont constatées pour un nombre prédéterminé d'éléments du texte saisi pour le message texte dans un autre mode de désambiguïation à base de dictionnaire pour un autre réglage de langue.
PCT/EP2006/005025 2005-05-27 2006-05-26 Selection automatique de la langue pour le texte saisi dans le cadre d'un message WO2006125660A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2006800272300A CN101248407B (zh) 2005-05-27 2006-05-26 对消息上下文中文本输入的自动语言选择
US11/915,624 US8364134B2 (en) 2005-05-27 2006-05-26 Automatic language selection for text input in messaging context

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP05011530.2 2005-05-27
EP05011530A EP1727024A1 (fr) 2005-05-27 2005-05-27 Sélection automatique de la langue pour la saisie de message textuel
US68637605P 2005-06-01 2005-06-01
US60/686,376 2005-06-01

Publications (2)

Publication Number Publication Date
WO2006125660A2 true WO2006125660A2 (fr) 2006-11-30
WO2006125660A3 WO2006125660A3 (fr) 2007-03-08

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Cited By (4)

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Publication number Priority date Publication date Assignee Title
EP1901534A1 (fr) * 2006-09-18 2008-03-19 LG Electronics Inc. Méthode de gestion de langue pour la saisie de texte, méthode d'introduction de texte et terminal mobile
EP2204956A1 (fr) * 2008-12-31 2010-07-07 Vodafone Holding GmbH Dispositif de communication mobile
WO2011004367A1 (fr) * 2009-07-09 2011-01-13 Eliyahu Mashiah Système et procédé sensibles au contenu pour la sélection automatique d'une langue de saisie
US20110111774A1 (en) * 2009-11-11 2011-05-12 Sony Ericsson Mobile Communications Ab Electronic device and method of controlling the electronic device

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US5805911A (en) * 1995-02-01 1998-09-08 Microsoft Corporation Word prediction system
WO2000057265A1 (fr) * 1999-03-18 2000-09-28 602531 British Columbia Ltd. Entree de donnees destinee a des dispositifs informatiques personnels
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EP1480421A1 (fr) * 2003-05-20 2004-11-24 Sony Ericsson Mobile Communications AB Détermination automatique d'un mode d'introduction par clavier en réponse à un message texte entrant
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WO2000057265A1 (fr) * 1999-03-18 2000-09-28 602531 British Columbia Ltd. Entree de donnees destinee a des dispositifs informatiques personnels
EP1255184A2 (fr) * 2001-05-04 2002-11-06 Nokia Corporation Terminal de communication possédant une application d'éditeur de texte prédictif
EP1480421A1 (fr) * 2003-05-20 2004-11-24 Sony Ericsson Mobile Communications AB Détermination automatique d'un mode d'introduction par clavier en réponse à un message texte entrant
EP1480420A1 (fr) * 2003-05-20 2004-11-24 Sony Ericsson Mobile Communications AB Détermination d'un mode d'introduction par clavier en fonction d'une information de langue

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1901534A1 (fr) * 2006-09-18 2008-03-19 LG Electronics Inc. Méthode de gestion de langue pour la saisie de texte, méthode d'introduction de texte et terminal mobile
US8169409B2 (en) 2006-09-18 2012-05-01 Lg Electronics Inc. Method of managing a language information for a text input and method of inputting a text and a mobile terminal
EP2204956A1 (fr) * 2008-12-31 2010-07-07 Vodafone Holding GmbH Dispositif de communication mobile
WO2011004367A1 (fr) * 2009-07-09 2011-01-13 Eliyahu Mashiah Système et procédé sensibles au contenu pour la sélection automatique d'une langue de saisie
US20110111774A1 (en) * 2009-11-11 2011-05-12 Sony Ericsson Mobile Communications Ab Electronic device and method of controlling the electronic device
US8326333B2 (en) * 2009-11-11 2012-12-04 Sony Ericsson Mobile Communications Ab Electronic device and method of controlling the electronic device

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