CN107102747B - Information input method and device for inputting information - Google Patents
Information input method and device for inputting information Download PDFInfo
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- CN107102747B CN107102747B CN201610099412.4A CN201610099412A CN107102747B CN 107102747 B CN107102747 B CN 107102747B CN 201610099412 A CN201610099412 A CN 201610099412A CN 107102747 B CN107102747 B CN 107102747B
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- 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
Abstract
The embodiment of the invention provides an information input method, an information input device and a device for inputting information, wherein the method specifically comprises the following steps: when an input string of a user accords with a preset mathematical expression condition, acquiring a mathematical expression corresponding to the input string; and outputting the mathematical expression as a candidate item corresponding to the input string. The embodiment of the invention can simplify the input process of the mathematical expression and improve the input efficiency.
Description
Technical Field
The invention relates to the technical field of input methods, in particular to an information input method, an information input device and a device for inputting information.
Background
The input method refers to a coding method adopted for inputting various characters into a computer or other equipment (such as a mobile phone and a tablet computer). With the continuous development of the input method technology, the function of inputting character information such as words and the like is more and more powerful and more perfect.
In practical applications, contents other than text information may be input. For example, a user needs to input a mathematical expression in a document editor such as word, but the existing input method program does not support the input of the mathematical expression. In the existing scheme, a user often needs to input a mathematical expression in a word document through a special formula editor and a series of complex operations such as insertion and editing.
Therefore, the input process of the conventional mathematical expression is complicated, the input of the mathematical expression by a user is difficult, and the input efficiency of the mathematical expression is low.
Disclosure of Invention
In view of the above problems, embodiments of the present invention have been made to provide an information input method, an information input apparatus, and an information input apparatus for information input that overcome or at least partially solve the above problems, and that can simplify the input process of mathematical expressions and improve the input efficiency.
In order to solve the above problem, an embodiment of the present invention discloses an information input method, including:
when an input string of a user accords with a preset mathematical expression condition, acquiring a mathematical expression corresponding to the input string;
and outputting the mathematical expression as a candidate item corresponding to the input string.
Optionally, the input string conforms to a preset mathematical expression condition, including:
preset character strings corresponding to the mathematical expressions exist in the input strings; and/or
A preset sequence corresponding to the mathematical expression exists in the matching sequence corresponding to the input string; and/or
Preset keywords corresponding to the mathematical expression exist in the candidate items corresponding to the input string; and the candidate item corresponding to the input string is obtained by searching in a word stock according to the input string.
Optionally, the step of obtaining the mathematical expression corresponding to the input string includes:
acquiring an intermediate expression corresponding to the input string;
and converting the intermediate expression into a corresponding mathematical expression.
Optionally, the step of obtaining the intermediate expression corresponding to the input string includes:
and acquiring an intermediate expression corresponding to the input string according to a preset character string and/or a preset sequence in the input string and/or a preset keyword in a candidate item corresponding to the input string.
Optionally, the step of obtaining an intermediate expression corresponding to the input string according to a preset character string in the input string, and/or a preset sequence, and/or a preset keyword in a candidate item corresponding to the input string includes:
converting preset character strings and/or preset sequences in the input strings and/or preset keywords in candidate items corresponding to the input strings into corresponding numeric symbols and/or operation symbols;
and converting the digital symbols and/or the operation symbols into corresponding intermediate expressions.
Optionally, the matching sequence comprises: syllable sequence and/or shape code sequence corresponding to the mathematical expression;
storing a preset sequence corresponding to the mathematical expression by:
collecting matching sequences corresponding to the digital symbols and/or the operation symbols;
and storing the matching sequence as a preset sequence.
Optionally, the preset keywords corresponding to the mathematical expression are stored by:
collecting keywords corresponding to the numeric symbols and/or the operation symbols;
and storing the keywords as preset keywords.
Optionally, the method further comprises:
acquiring a calculation result corresponding to the mathematical expression;
and outputting the calculation result as a candidate item corresponding to the input string.
On the other hand, the embodiment of the invention discloses an information input device, which comprises:
the expression acquisition module is used for acquiring a mathematical expression corresponding to an input string when the input string of a user accords with a preset mathematical expression condition; and
and the expression output module is used for outputting the mathematical expression as a candidate item corresponding to the input string.
In yet another aspect, an embodiment of the present invention discloses an apparatus for information input, including a memory, and one or more programs, wherein the one or more programs are stored in the memory, and configured to be executed by the one or more processors comprises instructions for:
when an input string of a user accords with a preset mathematical expression condition, acquiring a mathematical expression corresponding to the input string;
and outputting the mathematical expression as a candidate item corresponding to the input string.
The embodiment of the invention has the following advantages:
according to the embodiment of the invention, when the input string of the user is determined to meet the preset mathematical expression condition, the mathematical expression corresponding to the input string is obtained, and the mathematical expression is used as the candidate item corresponding to the input string to be output, so that the user can directly input the mathematical expression in the input method program, and compared with the existing method of inputting the mathematical expression by using a special formula editor, the input process of the mathematical expression is simplified, and the input efficiency is improved.
Drawings
FIG. 1 is a flow chart of steps of a first embodiment of an information input method of the present invention;
FIG. 2 is a flow chart showing the steps of a second embodiment of the information input method of the present invention;
FIG. 3 is a block diagram of an embodiment of an information input system of the present invention;
FIG. 4 is a block diagram of an embodiment of an information input device according to the present invention;
FIG. 5 is a block diagram of an apparatus 800 for information input in accordance with the present invention; and
fig. 6 is a schematic diagram of a server according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
One of the core concepts of the embodiment of the invention is to provide a method for directly inputting a mathematical expression in an input method program, so as to solve the problems that the input efficiency of the mathematical expression is low because the conventional input method program does not support the input of the mathematical expression and only can use a special formula editor to input the mathematical expression. When the embodiment of the invention determines that the input string of the user accords with the preset mathematical expression condition, the mathematical expression corresponding to the input string is obtained and is output as the candidate item corresponding to the input string, so that the user can directly input the mathematical expression in the input method program, and compared with the existing method of inputting the mathematical expression by using a special formula editor, the input process of the mathematical expression is simplified, and the input efficiency is improved.
Method embodiment one
Referring to fig. 1, a flowchart illustrating steps of a first embodiment of an information input method according to the present invention is shown, which may specifically include the following steps:
and 102, outputting the mathematical expression as a candidate item corresponding to the input string.
The embodiment of the invention can be applied to input method systems of various input modes, such as pinyin input, English input, stroke input, voice input, handwriting input and the like. The user can complete the input of the input string by any one of the above input modes, that is, the user can input through a physical keyboard, a virtual keyboard, a handwriting pad, a touch screen, and the like. The input string may be composed of any one or several of numbers, symbols, pinyin, English letters, etc. For convenience of description, the pinyin string is used as an input string in the embodiments of the present invention, and other types of input strings may be referred to each other.
In this embodiment of the present invention, the preset mathematical expression condition may be used to represent that the input string conforms to the input intention of the mathematical expression. Optionally, the preset mathematical expression condition may specifically include: the input string conforms to the reading rule of the mathematical expression, and when the input string conforms to the reading rule of the mathematical expression, the input string can be converted into the corresponding mathematical expression. For example, for the input string "wucherangyisan", its corresponding candidate "five times three" conforms to the reading rule of the mathematical expression "5 × 3", and thus, the input string "wucherangyisan" conforms to the preset mathematical expression condition.
The embodiment of the invention can provide the following judgment scheme that the input string of the user meets the preset mathematical expression condition:
scheme one
When a preset character string corresponding to the mathematical expression exists in the input string, the input string can be judged to accord with a preset mathematical expression condition.
In the embodiment of the present invention, a preset character string corresponding to a mathematical expression may be stored in advance, where the preset character string may be used to represent a character string matching an input intention of the mathematical expression, that is, when the preset character string exists in the input string, it may be considered that a user wants to input the mathematical expression through an input method program. Taking the pinyin input method as an example, the candidate item "multiplied by" corresponding to the character string "chengyi" may correspond to the operation symbol "x", and therefore, the character string "chengyi" is a character string that fits the input intention of the mathematical expression, and thus the character string "chengyi" may be stored as a preset character string. Optionally, when the preset character string "chengyi" is stored, a mapping relationship between the preset character string "chengyi" and the operation symbol "x" may also be stored, so that when the preset character string "chengyi" exists in the input string, the operation symbol corresponding to the preset character string may be directly obtained by querying the mapping relationship, so as to improve the conversion efficiency. For another example, the candidate corresponding to the character string "san" may include "three", "umbrella", "scatter", and the like, where "three" may correspond to the number symbol "3", and thus, the character string "san" is a character string that fits the input intention of the mathematical expression, so that the character string "san" may also be stored as the preset character string.
In an application example of the present invention, assuming that an input string of a user is "wucherengyisan", it may be determined that preset character strings "wu", "chengyi", and "san" exist in the input string "wucherengyisan" by querying a preset character string corresponding to a stored mathematical expression, and therefore, it may be determined that the input string "wucherengyisan" meets a preset mathematical expression condition.
Scheme two
When a preset sequence corresponding to the mathematical expression exists in the matching sequence corresponding to the input string, it can be determined that the input string meets a preset mathematical expression condition.
In the embodiment of the present invention, a preset sequence corresponding to the mathematical expression may be stored in advance, and the preset sequence may be used to represent a sequence that fits the input intention of the mathematical expression. In a specific application, after an input string of a user is obtained, the input string may be parsed to obtain a matching sequence corresponding to the input string, where the matching sequence may specifically include a syllable sequence and/or a shape code sequence.
In an alternative embodiment of the present invention, the preset sequence corresponding to the mathematical expression may be stored by:
step S11, collecting the matching sequence corresponding to the digital symbol and/or the operation symbol;
and step S12, storing the matching sequence as a preset sequence.
Taking Pinyin input method as an example, the input string "genhao" can be analyzed as syllable sequence [ gen][hao]The corresponding candidate item 'root number' can be obtained according to the syllable sequence, and the 'root number' can correspond to the operation sign
Thus, the syllable sequence [ gen][hao]For sequences matching the input intentions of mathematical expressions, so that syllable sequences gen can be assigned][hao]Stored as a preset sequence. As another example, the syllable sequence [ wu ]]The corresponding candidates may comprise "five", "none", "thing", etc., wherein "five" may correspond to the numerical symbol "5", and thus the syllable sequence [ wu]For a sequence matching the input intention of the mathematical expression, so that the syllable sequence [ wu]And also stored as a preset sequence.
In an application example of the present invention, it is assumed that an input string of a user is "genhawu", and the following syllable sequence [ gen ] [ hao ] [ wu ] is obtained by analyzing the input string; then, it may be determined that the preset sequences [ gen ] [ hao ] and [ wu ] exist in the input string "genhaowu" by querying the preset sequence corresponding to the stored mathematical expression, and therefore, it may be determined that the input string "genhaowu" meets the preset mathematical expression condition.
It is to be understood that the present embodiment does not limit the type of the preset sequence, and the preset sequence may specifically include a syllable sequence, a shape code sequence, a number sequence, a symbol sequence, and the like. Wherein, the syllable sequence can comprise a Chinese syllable sequence and a Japanese syllable sequence; the shape code sequence may include a Chinese shape code input sequence, a Korean shape code sequence, and the like.
Scheme three
When preset keywords corresponding to the mathematical expression exist in the candidate items corresponding to the input string, judging that the input string conforms to preset mathematical expression conditions; and the candidate item corresponding to the input string is obtained by searching in a word stock according to the input string.
In an optional embodiment of the present invention, the preset keywords corresponding to the mathematical expression may be stored by:
step S21, collecting keywords corresponding to the numeric symbols and/or the operation symbols;
and step S22, storing the keywords as preset keywords.
In the embodiment of the invention, the preset keywords corresponding to the mathematical expression can be stored in advance, and the preset keywords can be used for representing the keywords which are in accordance with the input intention of the mathematical expression. For example, the keyword "multiplied" may correspond to the operator symbol "x", and the keyword "three" may correspond to the numeral symbol "3", and thus the "multiplied" and "three" are both keywords that fit the input intention of the mathematical expression, and may be stored as preset keywords. In a specific application, after an input string of a user is acquired, a candidate item corresponding to the input string is obtained by searching in a word stock through word searching operation, and if a preset keyword corresponding to a mathematical expression exists in the candidate item, the input string can be judged to accord with a preset mathematical expression condition.
In an application example of the present invention, it is assumed that an input string of a user is "genhaou", and it is assumed that a following syllable sequence [ gen ] [ hao ] [ wu ] is obtained by parsing the input string, and a candidate item "root number five" can be obtained by performing word search on the syllable sequence, and it is determined that preset keywords "root number" and "five" exist in the candidate item corresponding to the input string "genhaou" by querying a preset keyword corresponding to a stored mathematical expression, and therefore, it can be determined that the input string "genhaou" meets a preset mathematical expression condition.
It can be understood that the above three schemes for determining that the input string conforms to the preset mathematical expression condition are all taken as an application example of the present invention, in practical applications, a person skilled in the art can flexibly select a specific scheme according to actual needs, and the present invention does not impose any limitation on the specific manner for determining that the input string conforms to the preset mathematical expression condition.
In an optional embodiment of the present invention, a preset character string and/or a preset sequence and/or a preset keyword corresponding to the mathematical expression condition may be set, so that the preset character string and/or the preset sequence and/or the preset keyword conform to an input habit of a user. Specifically, the preset character string and/or the preset sequence and/or the preset keyword corresponding to the mathematical expression condition may be set by collecting input information of a user, for example, it can be known by collecting input information of the user in the near term that the user is used to screen-up a corresponding candidate item by multiplying after inputting an input string "changy", and multiplying corresponds to the meaning of an operator, so that the character string "changy" may be stored as the preset character string. Of course, in a specific application, a setting interface for presetting the character string and/or the preset sequence and/or the preset keyword may be provided for the user, so that the user can customize the preset character string and/or the preset sequence and/or the preset keyword according to the input habit of the user through the setting interface. For example, the user a sets the character string "chengy" as a preset character string, the user B sets the character string "gene" as a preset character string, and so on. It may be determined that the input string of the user a meets a preset mathematical expression condition when the character string "chengy" exists in the received input string of the user a.
In another optional embodiment of the present invention, after receiving an input string of a user, error correction processing may be performed on the input string first, and then it is determined whether the input string after error correction meets a preset mathematical expression condition, and when the input string after error correction meets the preset mathematical expression condition, a mathematical expression corresponding to the input string after error correction is obtained, and the mathematical expression is output as a candidate item. By the error correction processing of the input string, the accuracy of the input mathematical expression can be improved. Specifically, the input string may be subjected to error correction processing by using an existing error correction method, and the present invention is not limited to a specific error correction method. That is, the step 101 of matching the input string of the user with the preset mathematical expression condition may specifically include: the input string itself conforms to the preset mathematical expression conditions and/or the input string after error correction conforms to the preset mathematical expression conditions.
In an optional embodiment of the present invention, the step of obtaining the mathematical expression corresponding to the input string may specifically include the following steps:
step S31, acquiring an intermediate expression corresponding to the input string;
and step S32, converting the intermediate expression into a corresponding mathematical expression.
The step of obtaining the intermediate expression corresponding to the input string may specifically include: and acquiring an intermediate expression corresponding to the input string according to a preset character string and/or a preset sequence in the input string and/or a preset keyword in a candidate item corresponding to the input string.
In the embodiment of the invention, the intermediate expression can be specifically an expression which can be identified by a LaTeX and other typesetting systems, and the intermediate expression conforms to the description rule of the mathematical expression and can be identified by the LaTeX and other typesetting systems or a formula editor, so that the intermediate expression can be transmitted to the formula editor which is provided by the input system, and the intermediate expression is converted into the corresponding mathematical expression by the formula editor; or, the intermediate expression can be converted into the corresponding mathematical expression according to a self-defined conversion rule. It is to be understood that the embodiment of the present invention does not impose any limitation on the specific manner of converting the intermediate expression into the corresponding mathematical expression.
In an optional embodiment of the present invention, the step of obtaining the intermediate expression corresponding to the input string according to a preset character string in the input string, and/or a preset sequence, and/or a preset keyword in a candidate item corresponding to the input string may specifically include the following sub-steps:
substep a1, converting the preset character string and/or the preset sequence in the input string and/or the preset keyword in the candidate item corresponding to the input string into the corresponding numeric symbol and/or operation symbol;
sub-step a2, converting the numeric symbols and/or operator symbols into corresponding intermediate expressions.
Taking the pinyin input method as an example, the preset character string corresponding to the mathematical expression in the input string can be obtained first, then the preset character string is converted into the corresponding numeric symbol and/or operation symbol, and finally the corresponding numeric symbol and/or operation symbol is converted into the intermediate expression. For example, the root may be opened according to the intermediate expression description rule of the typesetting system such as LaTeX
The operation symbol is represented by an intermediate expression "\ sqrt", and if the input string is 'genhaowu' (root five), the preset strings 'genhao' and 'wu' in the input string 'genhaowu' are determined by inquiring the preset strings corresponding to the stored mathematical expressions; the preset character string 'genhao' can be converted into an operation symbol
The preset string "wu" is converted into the numeric symbol "5", so that the input string "genhawu" can be converted into the following intermediate expression: "\ sqrt {5 }"; as another example, for the input string "genhaowujiayi" (root acanthopanax one), there is a preset string "genhao" (which can be converted into an operator)
) "wu" (which can be converted to the numerical symbol "5"), "jia" (which can be converted to the operational symbol "+"), "yi" (which can be converted to the numerical symbol "1"), the input string "genhaowjiayi" can be converted to the following intermediate expression: "\ sqrt {5+1 }".
In the embodiment of the present invention, the preset conversion rule may specifically be a type-setting system such as LaTeX or formula editingAnd the mathematical expression conversion rule in the device can convert the intermediate expression into a corresponding mathematical expression according to the mathematical expression conversion rule. For example, for the intermediate expression "\ sqrt {5 }", it may be converted to a corresponding mathematical expression
In a specific application, because an input string of a user may have at least two semantics, the input string may correspond to at least two mathematical expressions, so that the embodiment of the present invention may obtain the at least two mathematical expressions corresponding to the input string, and add the at least two mathematical expressions as candidate items into a candidate queue. For example, the input string "genhaowujiayi" (root plus one) in the above example corresponds to two different semantics, respectively "root plus", "plus one" or "root plus five" plus one ", and thus can be converted into two intermediate expressions: "\ sqrt {5+1 }" or "\ sqrt {5} + 1", respectively, corresponding to mathematical expressions of
Or
As another example, if the user's input string is "yijiawudingfang" (square of one plus five), the input string corresponds to two different semantics, respectively, "square of one plus five" or "square of one plus" and "five", and thus the input string corresponds to two different mathematical expressions, respectively "(1 +5)2"and" 1+52 ", both of the above mathematical expressions may be added to the candidate queue as candidates.
In the embodiment of the invention, when a user uses an input method program, the candidate item corresponding to the input string of the user can be obtained according to a conventional input method, the input string of the user can be analyzed and judged, if the input string meets the preset mathematical expression condition, the input string can also be expressed as a mathematical expression, and the input string is converted into the corresponding mathematical expression according to the preset conversion rule and is output as the candidate item, so that more comprehensive candidate items can be provided for the user to meet different input requirements of the user.
In summary, when it is determined that the input string of the user meets the preset mathematical expression condition, the mathematical expression corresponding to the input string is obtained, and the mathematical expression is output as the candidate item corresponding to the input string, so that the user can directly input the mathematical expression in the input method program, and compared with the existing method of inputting the mathematical expression by using a special formula editor, the input process of the mathematical expression is simplified, and the input efficiency is improved.
Method embodiment two
The present embodiment is an optional embodiment of the first method embodiment, and calculates the obtained mathematical expression on the basis of the first method embodiment, and outputs the calculation result of the mathematical expression as a candidate.
Referring to fig. 2, a flowchart illustrating steps of a second embodiment of the information input method of the present invention is shown, which may specifically include the following steps:
and 204, outputting the calculation result as a candidate item corresponding to the input string.
In the embodiment of the present invention, after the mathematical expression corresponding to the input string is obtained, whether the value of the mathematical expression can be calculated may be further determined, and when the mathematical expression has a corresponding calculation result, the calculation result is also used as a candidate item to be added to the candidate queue.
In an example application of the present invention, the user's input string is "geneaowu' and obtaining the mathematical expression corresponding to the input string as
And judging that the value of the mathematical expression can be calculated, and if the value of the mathematical expression is calculated to be 2.236, inserting the 2.236 into the candidate queue as a candidate item.
In another application example of the invention, the input string of the user is 'genhaoa', and the mathematical expression corresponding to the input string is obtained as
If the value of the mathematical expression is judged to be not calculable, only the value of the mathematical expression is calculated
And adding the candidate queue as a candidate.
In yet another example of the present invention, the user's input string is "yijiawudingfang", which corresponds to two different mathematical expressions, respectively "(1 +5)2And 1+52, adding the two mathematical expressions as candidates into a candidate queue, and calculating to obtain the values of the two mathematical expressions as (1+5)2If 36 "and" 1+52 "are 26", then "(1 +5)236 "and" 1+5226 "is also added to the candidate queue as a candidate.
The embodiment of the invention can also calculate the mathematical expression to obtain the calculation result on the basis of converting the input string into the corresponding mathematical expression, and the calculation result is also used as a candidate item of the input string, so that the user can directly obtain the calculation result in the input process by using the input method program without additionally starting a calculator application program, the operation process of the user is simplified, and the input efficiency is improved.
System embodiment
In order that those skilled in the art may better understand the embodiments of the present invention, an embodiment of an information input system of the present invention is given below. Referring to fig. 3, a block diagram of an embodiment of an information input system according to the present invention is shown, which may specifically include the following modules:
an input sequence receiving module 301, configured to receive and parse an input string from a user;
a conventional conversion module 302, configured to retrieve a candidate item corresponding to an input string from a lexicon, and add the candidate item to a candidate queue;
an expression conversion module 303, configured to convert the input string into a corresponding mathematical expression, and add the mathematical expression as a candidate item to a candidate queue; and
and the expression calculation module 304 is configured to calculate a calculation result of the obtained mathematical expression, and add the calculation result as a candidate to the candidate queue.
The working flows of the modules are described in detail below by taking the pinyin input method as an application scene, and the application scenes of other input methods are mutually referred.
An input sequence receiving module 301 receives an input string from a user and passes the input string to a conventional conversion module 302; in addition, the input sequence receiving module 301 analyzes the input string according to the local pinyin network information to obtain a corresponding syllable sequence, compares the syllable sequence with a preset sequence corresponding to a stored mathematical expression, determines that the input string meets a preset mathematical expression condition when the preset sequence corresponding to the mathematical expression exists in the syllable sequence, and transmits the input string to the expression converting module 303.
The conventional conversion module 302 retrieves a corresponding candidate item from the lexicon according to the input string, and adds the candidate item to a candidate queue.
The expression conversion module 303 converts the input string into a corresponding mathematical expression according to a preset conversion rule, and adds the mathematical expression as a candidate to the candidate queue. Further, in the case that the input string corresponds to at least two mathematical expressions, all the corresponding mathematical expressions are added into the candidate queue as candidates. The expression conversion module 303 sends the converted mathematical expression to the calculation module 304.
When determining that the mathematical expressions can be calculated, the calculation module 304 calculates calculation results of the mathematical expressions, adds the calculation results into the candidate queue, calculates at least two mathematical expressions if one input string corresponds to the at least two mathematical expressions, and adds the calculation results into the candidate queue as candidate items.
In order to make the embodiment of the present invention better understood by those skilled in the art, a specific application example of an information input method of the present invention is given below.
Application example 1
1) The input string of the receiving user is 'genoxaalphachuyibeta';
2) performing conventional conversion on the input string to obtain a candidate item 'alpha under root divided by beta';
3) analyzing the input string to obtain a syllable sequence [ gen ] [ hao ] [ xia ] [ alpha ] [ chu ] [ yi ] [ beita ], and judging that the input string meets preset mathematical expression conditions due to the fact that preset sequences [ gen ] [ hao ] and [ chu ] [ yi ] exist in the syllable sequence, and mathematical expression conversion can be carried out;
4) converting the input string to obtain candidate item
5) Judging that the value of the mathematical expression can not be calculated, and not needing to carry out expression calculation operation;
6) output the above candidate item 'alpha under root divided by beta' sum
The application example provides a convenient mathematical expression input method to realize the support of the input method on the input of the mathematical expression, and a user only needs to input a reading pinyin sequence of a desired mathematical expression and then selects a candidate item corresponding to the mathematical expression in the candidate queue on the screen to complete the input process of the mathematical expression, thereby greatly improving the efficiency of the user for inputting the mathematical expression.
Application example 2
1) Receiving an input string of a user as 'duisankaigenhao';
2) performing conventional conversion on the input string to obtain a candidate item' three-row number;
3) analyzing the input string to obtain a syllable sequence [ dui ] [ san ] [ kai ] [ gen ] [ hao ], wherein the syllable sequence has preset sequences [ san ], [ gen ] [ hao ], so that the input is judged to accord with preset mathematical expression conditions, and mathematical expression conversion can be carried out;
4) converting the input string to obtain candidate item
5) Judging that the value of the mathematical expression can be calculated, and performing expression calculation operation;
6) calculating the value of the mathematical expression to obtain a candidate item '1.732';
7) outputting the candidate item' three root numbers in pairs
And "1.732".
The application example enables a user to directly obtain a calculation result in the input process by using the input method program without additionally starting a calculator application program, simplifies the operation process of the user and improves the input efficiency.
In addition, on the basis of the application example 1, the application example can also perform standardized conversion on the reading pinyin sequence of the mathematical expression input by the user, that is, the non-standard reading pinyin sequence input by the user can be analyzed to find out the corresponding standard reading pinyin sequence and perform corresponding conversion, so as to meet the input requirement of the user unfamiliar with the standard reading of the mathematical expression.
The non-standard reading pinyin sequence can be similar spoken language readings corresponding to the standard reading pinyin sequence by collecting and sorting, for example, the standard reading is "sandepingfanggen" (square root of three), while people often read as "genhaosan" (root three) or "duisankaignehao" (three-part root) in daily spoken language, and the standard reading corresponding to the two spoken language readings is "sandepingfanggen" (square root of three). When the input string is converted into the corresponding mathematical expression, the non-standard reading pinyin sequence can be standardized, that is, the non-standard spoken language reading method is converted into the corresponding standard reading method, and then the subsequent conversion process is carried out.
Application example 3
1) Receiving an input string of 'yijiawudingfang' of a user;
2) performing conventional conversion on the input string to obtain a candidate item 'one plus five square';
3) analyzing the input string to obtain a syllable sequence [ yi ] [ jia ] [ wu ] [ de ] [ ping ] [ fang ], wherein the syllable sequence has preset sequences [ yi ], [ jia ], [ wu ], [ ping ] [ fang ], so that the input string is judged to accord with preset mathematical expression conditions, and mathematical expression conversion can be carried out;
4) the input string is transformed by a mathematical expression to obtain a candidate item (1+5)2"and" 1+52 ";
5) judging that the value of the mathematical expression can be calculated, and performing expression calculation operation;
6) calculating the value of the above mathematical expression to obtain the candidate item (1+5)236 "and" 1+52 "26";
7) the above candidate item ' square of one plus five ', ' (1+5)2”、“1+52”、“(1+5)236 "and" 1+52 "26".
The application example can judge whether the reading method of the mathematical expression corresponding to the input string has various semantics, namely whether the same input string corresponds to a plurality of mathematical expressions, and if the plurality of mathematical expressions exist, the plurality of mathematical expressions and the calculation results obtained by respective calculation are used as the candidate items of the input string, so that the obtained candidate items are more comprehensive, and different input requirements of users can be met.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Device embodiment
Referring to fig. 4, a block diagram of an embodiment of an information input device according to the present invention is shown, which may specifically include the following modules:
the expression obtaining module 401 is configured to obtain a mathematical expression corresponding to an input string when the input string of a user meets a preset mathematical expression condition; and
an expression output module 402, configured to output the mathematical expression as a candidate item corresponding to the input string.
In an optional embodiment of the present invention, the matching of the input string with a preset mathematical expression condition may specifically include:
the input string has a preset character string corresponding to the mathematical expression; and/or
A preset sequence corresponding to the mathematical expression exists in the matching sequence corresponding to the input string; and/or
Preset keywords corresponding to the mathematical expression exist in the candidate items corresponding to the input string; and the candidate item corresponding to the input string is obtained by searching in a word stock according to the input string.
In another optional embodiment of the present invention, the expression obtaining module 401 may specifically include:
the intermediate expression obtaining submodule is used for obtaining an intermediate expression corresponding to the input string;
and the conversion submodule is used for converting the intermediate expression into a corresponding mathematical expression.
In another optional embodiment of the present invention, the intermediate expression obtaining sub-module may specifically include:
and the intermediate expression acquisition unit is used for acquiring an intermediate expression corresponding to the input string according to a preset character string in the input string and/or a preset sequence and/or a preset keyword in a candidate item corresponding to the input string.
In another optional embodiment of the present invention, the intermediate expression obtaining unit may specifically include:
the first conversion subunit is used for converting preset character strings in the input strings and/or preset sequences and/or preset keywords in candidate items corresponding to the input strings into corresponding numeric symbols and/or operation symbols;
and the second conversion subunit is used for converting the digital symbols and/or the operation symbols into corresponding intermediate expressions.
In yet another optional embodiment of the present invention, the matching sequence may specifically include: syllable sequence and/or shape code sequence corresponding to the mathematical expression;
the apparatus may further include: the first storage module is used for storing a preset sequence corresponding to the mathematical expression;
the first storage module may specifically include:
the first collection submodule is used for collecting a matching sequence corresponding to the digital symbols and/or the operation symbols;
and the first storage submodule is used for storing the matching sequence as a preset sequence.
In yet another alternative embodiment of the present invention, the apparatus may further include: the second storage module is used for storing preset keywords corresponding to the mathematical expression;
the second storage module may specifically include:
the second collection submodule is used for collecting keywords corresponding to the numeric symbols and/or the operation symbols;
and the second storage submodule is used for storing the keywords as preset keywords.
In yet another alternative embodiment of the present invention, the apparatus may further include:
the result acquisition module is used for acquiring a calculation result corresponding to the mathematical expression;
and the result output module is used for outputting the calculation result as a candidate item corresponding to the input string.
For the apparatus embodiment, since it is substantially similar to the method embodiment, the description is relatively simple, and reference may be made to the partial description of the method embodiment for relevant points.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
FIG. 5 is a block diagram illustrating an apparatus 800 for information input, according to an example embodiment. For example, the apparatus 800 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, an exercise device, a personal digital assistant, and the like.
Referring to fig. 5, the apparatus 800 may include one or more of the following components: processing component 802, memory 804, power component 806, multimedia component 808, audio component 810, input/output (I/O) interface 812, sensor component 814, and communication component 816.
The processing component 802 generally controls overall operation of the device 800, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing elements 802 may include one or more processors 820 to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component 802 can include one or more modules that facilitate interaction between the processing component 802 and other components. For example, the processing component 802 can include a multimedia module to facilitate interaction between the multimedia component 808 and the processing component 802.
The memory 804 is configured to store various types of data to support operation at the device 800. Examples of such data include instructions for any application or method operating on device 800, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 804 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
A power supply component 806 provides power to the various components of the device 800. The power components 806 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the apparatus 800.
The multimedia component 808 includes a screen that provides an output interface between the device 800 and a user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 808 includes a front facing camera and/or a rear facing camera. The front-facing camera and/or the rear-facing camera may receive external multimedia data when the device 800 is in an operating mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
The audio component 810 is configured to output and/or input audio signals. For example, the audio component 810 includes a Microphone (MIC) configured to receive external audio signals when the apparatus 800 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 804 or transmitted via the communication component 816. In some embodiments, audio component 810 also includes a speaker for outputting audio signals.
The I/O interface 812 provides an interface between the processing component 802 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The sensor assembly 814 includes one or more sensors for providing various aspects of state assessment for the device 800. For example, the sensor assembly 814 may detect the open/closed state of the device 800, the relative positioning of the components, such as a display and keypad of the apparatus 800, the sensor assembly 814 may also detect a change in position of the apparatus 800 or a component of the apparatus 800, the presence or absence of user contact with the apparatus 800, orientation or acceleration/deceleration of the apparatus 800, and a change in temperature of the apparatus 800. Sensor assembly 814 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 814 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 814 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 816 is configured to facilitate communications between the apparatus 800 and other devices in a wired or wireless manner. The device 800 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 816 receives a broadcast signal or broadcast associated information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communications component 816 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the apparatus 800 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described methods.
In an exemplary embodiment, a non-transitory computer-readable storage medium comprising instructions, such as the memory 804 comprising instructions, executable by the processor 820 of the device 800 to perform the above-described method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
A non-transitory computer-readable storage medium in which instructions, when executed by a processor of a mobile terminal, enable the mobile terminal to perform an information input method, the method comprising: when an input string of a user accords with a preset mathematical expression condition, acquiring a mathematical expression corresponding to the input string; and outputting the mathematical expression as a candidate item corresponding to the input string.
Fig. 6 is a schematic structural diagram of a server in an embodiment of the present invention. The server 1900 may vary widely by configuration or performance and may include one or more Central Processing Units (CPUs) 1922 (e.g., one or more processors) and memory 1932, one or more storage media 1930 (e.g., one or more mass storage devices) storing applications 1942 or data 1944. Memory 1932 and storage medium 1930 can be, among other things, transient or persistent storage. The program stored in the storage medium 1930 may include one or more modules (not shown), each of which may include a series of instructions operating on a server. Still further, a central processor 1922 may be provided in communication with the storage medium 1930 to execute a series of instruction operations in the storage medium 1930 on the server 1900.
The server 1900 may also include one or more power supplies 1926, one or more wired or wireless network interfaces 1950, one or more input-output interfaces 1958, one or more keyboards 1956, and/or one or more operating systems 1941, such as Windows Server, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM, etc.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. The invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements that have been described above and shown in the drawings, and that various modifications and changes can be made without departing from the scope thereof. The scope of the invention is only limited by the appended claims
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
The information input method, the information input device and the device for inputting information provided by the invention are described in detail, specific examples are applied in the text to explain the principle and the implementation mode of the invention, and the description of the above examples is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (16)
1. An information input method, comprising:
when an input string of a user accords with a preset mathematical expression condition, analyzing a non-standard reading pinyin sequence in the input string of the user to find a corresponding standard reading pinyin sequence, and converting the non-standard reading pinyin sequence into a standard reading pinyin sequence, wherein the non-standard reading pinyin sequence is a pinyin sequence of a similar spoken language reading corresponding to the standard reading pinyin sequence, and the preset mathematical expression condition is set according to an input habit of the user or is self-defined by the user according to the input habit of the user;
converting preset character strings and/or preset sequences in the converted input strings of the user and/or preset keywords in candidate items corresponding to the input strings into intermediate expressions of corresponding numeric symbols and/or operation symbols according to an intermediate expression description rule of a typesetting system, wherein the intermediate expressions can be identified by the typesetting system or a formula editor;
converting the intermediate expression into a corresponding mathematical expression according to a self-defined conversion rule;
and outputting the mathematical expression as a candidate item corresponding to the input string.
2. The method of claim 1, wherein the input string satisfies a preset mathematical expression condition, comprising:
preset character strings corresponding to the mathematical expressions exist in the input strings; and/or
A preset sequence corresponding to the mathematical expression exists in the matching sequence corresponding to the input string; and/or
Preset keywords corresponding to the mathematical expression exist in the candidate items corresponding to the input string; and the candidate item corresponding to the input string is obtained by searching in a word stock according to the input string.
3. The method of claim 2, wherein the matching sequence comprises: syllable sequence and/or shape code sequence corresponding to the mathematical expression;
storing a preset sequence corresponding to the mathematical expression by:
collecting matching sequences corresponding to the digital symbols and/or the operation symbols;
and storing the matching sequence as a preset sequence.
4. The method of claim 2, wherein the preset keywords corresponding to the mathematical expression are stored by:
collecting key words corresponding to the numeric symbols and/or the operation symbols;
and storing the keywords as preset keywords.
5. The method of any of claims 1 to 4, further comprising:
acquiring a calculation result corresponding to the mathematical expression;
and outputting the calculation result as a candidate item corresponding to the input string.
6. An information input device, comprising:
the expression acquisition module is used for analyzing a non-standard reading pinyin sequence in the input string of the user when the input string of the user accords with a preset mathematical expression condition, finding a corresponding standard reading pinyin sequence, and converting the non-standard reading pinyin sequence into a standard reading pinyin sequence, wherein the non-standard reading pinyin sequence is a pinyin sequence of a similar spoken language reading corresponding to the standard reading pinyin sequence, and the preset mathematical expression condition is set according to the input habit of the user or is self-defined by the user according to the input habit of the user; converting preset character strings and/or preset sequences in the converted input strings of the user and/or preset keywords in candidate items corresponding to the input strings into intermediate expressions of corresponding numeric symbols and/or operation symbols according to an intermediate expression description rule of a typesetting system, wherein the intermediate expressions can be identified by the typesetting system or a formula editor; converting the intermediate expression into a corresponding mathematical expression according to a self-defined conversion rule; and
and the expression output module is used for outputting the mathematical expression as a candidate item corresponding to the input string.
7. The apparatus of claim 6, wherein the input string satisfies a preset mathematical expression condition, comprising:
preset character strings corresponding to the mathematical expressions exist in the input strings; and/or
A preset sequence corresponding to the mathematical expression exists in the matching sequence corresponding to the input string; and/or
Preset keywords corresponding to the mathematical expression exist in the candidate items corresponding to the input string; and the candidate item corresponding to the input string is obtained by searching in a word stock according to the input string.
8. The apparatus of claim 7, wherein the matching sequence comprises: syllable sequence and/or shape code sequence corresponding to the mathematical expression;
the device further comprises: the first storage module is used for storing a preset sequence corresponding to the mathematical expression;
wherein the first storage module comprises:
the first collection submodule is used for collecting a matching sequence corresponding to the digital symbols and/or the operation symbols;
and the first storage submodule is used for storing the matching sequence as a preset sequence.
9. The apparatus of claim 7, further comprising: the second storage module is used for storing preset keywords corresponding to the mathematical expression;
wherein the second storage module comprises:
the second collection submodule is used for collecting keywords corresponding to the numeric symbols and/or the operation symbols;
and the second storage submodule is used for storing the keywords as preset keywords.
10. The apparatus of any of claims 6 to 9, further comprising:
the result acquisition module is used for acquiring a calculation result corresponding to the mathematical expression;
and the result output module is used for outputting the calculation result as a candidate item corresponding to the input string.
11. An apparatus for information input comprising a memory, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs comprising instructions for:
when an input string of a user accords with a preset mathematical expression condition, analyzing a non-standard reading pinyin sequence in the input string of the user to find a corresponding standard reading pinyin sequence, and converting the non-standard reading pinyin sequence into a standard reading pinyin sequence, wherein the non-standard reading pinyin sequence is a pinyin sequence of a similar spoken language reading corresponding to the standard reading pinyin sequence, and the preset mathematical expression condition is set according to an input habit of the user or is self-defined by the user according to the input habit of the user;
converting preset character strings and/or preset sequences in the converted input strings of the user and/or preset keywords in candidate items corresponding to the input strings into intermediate expressions of corresponding numeric symbols and/or operation symbols according to an intermediate expression description rule of a typesetting system, wherein the intermediate expressions can be identified by the typesetting system or a formula editor;
converting the intermediate expression into a corresponding mathematical expression according to a self-defined conversion rule;
and outputting the mathematical expression as a candidate item corresponding to the input string.
12. The apparatus of claim 11, wherein the input string satisfies a preset mathematical expression condition, comprising:
preset character strings corresponding to the mathematical expressions exist in the input strings; and/or
A preset sequence corresponding to the mathematical expression exists in the matching sequence corresponding to the input string; and/or
Preset keywords corresponding to the mathematical expression exist in the candidate items corresponding to the input string; and the candidate item corresponding to the input string is obtained by searching in a word stock according to the input string.
13. The apparatus of claim 12, wherein the matching sequence comprises: syllable sequence and/or shape code sequence corresponding to the mathematical expression;
the device is also configured to execute, by one or more processors, the one or more programs including instructions for:
collecting matching sequences corresponding to the digital symbols and/or the operation symbols;
and storing the matching sequence as a preset sequence.
14. The apparatus of claim 12, wherein the apparatus is also configured to execute the one or more programs by one or more processors includes instructions for:
collecting keywords corresponding to the numeric symbols and/or the operation symbols;
and storing the keywords as preset keywords.
15. The apparatus of any of claims 11-14, wherein the apparatus is further configured to execute the one or more programs by one or more processors includes instructions for:
acquiring a calculation result corresponding to the mathematical expression;
and outputting the calculation result as a candidate item corresponding to the input string.
16. One or more machine-readable media having instructions stored thereon, which when executed by one or more processors, cause an apparatus to perform the information input method of one or more of claims 1-5.
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| CN102033614A (en) * | 2009-09-29 | 2011-04-27 | 北大方正集团有限公司 | Intelligently combined formula input method and system |
| CN104063063A (en) * | 2014-06-05 | 2014-09-24 | 北京搜狗科技发展有限公司 | Mathematical calculation input method of input method and input method system |
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| CN102033614A (en) * | 2009-09-29 | 2011-04-27 | 北大方正集团有限公司 | Intelligently combined formula input method and system |
| CN101859186A (en) * | 2010-06-08 | 2010-10-13 | 宁随军 | Method and device for inputting mathematical formula |
| CN104063063A (en) * | 2014-06-05 | 2014-09-24 | 北京搜狗科技发展有限公司 | Mathematical calculation input method of input method and input method system |
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