CN108766059B - Cloud service English teaching equipment and teaching method - Google Patents
Cloud service English teaching equipment and teaching method Download PDFInfo
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Abstract
The invention belongs to the technical field of learning equipment and discloses cloud service English teaching equipment and a teaching method, wherein the English teaching equipment comprises: the system comprises a teaching recording module, a data transmission module, a central processing module, a translation module, a grammar analysis module, a pronunciation error correction module, a video downloading module, a cloud service module and a display module. The English tense of the sentence is determined by dividing the English paragraph into the sentence and the vocabulary through the grammar analysis module, marking the keywords of the time and the state, marking the possible English tenses of the sentence according to the mark symbols in the self-built tense mark table and matching the keywords, and the English tense has the characteristics of simple understanding, high accuracy and convenient learning; simultaneously through pronunciation error correction module through the english vowel sound production acoustics to the measurand carry out the analysis to compare with the english vowel sound production acoustics model of the standard that prestores, thereby correct the english vowel sound production of measurand, so that the english vowel sound production of measurand is more accurate.
Description
Technical Field
The invention belongs to the technical field of learning equipment, and particularly relates to cloud service English teaching equipment and a teaching method.
Background
Currently, the current state of the art commonly used in the industry is such that:
english is the internationally assigned official language (as the native language) and is the most widespread first language in the world, and english contains about 49 words, plus about 30 tens of thousands of technical nouns, is the language with the most vocabulary, and is also the official language of the european union and many international organizations and the state of the english federal, and has the third-generation number of native language users in the world, next to the number of native language users in chinese and spanish. However, when the existing English is studied, the English tense is difficult to study, the time is consumed, the error rate is high, and the study is inconvenient; meanwhile, the pronunciation of the student can not be corrected in time, and the learning efficiency is low.
In summary, the problems of the prior art are as follows:
when the existing English is studied, the English tense is difficult to study, the time is consumed, the error rate is high, and the study is inconvenient; meanwhile, the pronunciation of the student can not be corrected in time, and the learning efficiency is low.
In the prior art, an English paragraph is not divided into a sentence and a vocabulary, keywords of time and state are marked, possible English tenses of the sentence are marked according to mark symbols in a self-built tense mark table, the English tenses of the sentence are determined by matching the keywords, and finally, a proper tense of a verb and a proper tense of a verb are selected according to the English tenses of the sentence and are filled in the sentence; therefore, the method is not easy to understand, has low accuracy and is inconvenient to learn.
In the prior art, the number of different vocalizations of English vowels is difficult to know in advance; the calculation time complexity and the space complexity are high, and a plurality of sound production systems of English vowels are difficult to process; the divided vowel vocal results have a large deviation from the true results.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a cloud service English teaching device and a teaching method.
The invention is realized in such a way, and the cloud service English teaching method comprises the following steps:
splitting an English paragraph into sentences and vocabularies, marking keywords of time and state, marking English tenses of the sentences according to mark symbols in a self-built tense mark table, and then receiving a maintenance updating instruction; acquiring English tense information of the statement and dimension table information of a dimension table needing to be maintained and updated according to the maintenance and update instruction; acquiring preset dimension table configuration information according to the dimension table information; the method comprises the steps that dimension table configuration information comprises a source database where a dimension table needing to be maintained and updated is located, a destination database where the dimension table needs to be synchronized and dimension table operation authority information; judging whether the English tense information of the sentence meets the operation authority information of the dimension table or not according to the English tense information of the sentence and the operation authority information of the dimension table; if the English tense information of the statement meets the operation authority information of the dimension table, updating the dimension table needing to be maintained and updated; synchronizing the dimension table subjected to the updating operation to a target database; determining the English tense of the sentence by matching with the keywords, selecting a proper tense of the verb and the verb according to the English tense of the sentence, and filling the tense into the sentence;
analyzing the sound production acoustics of the English vowels of the tested object, and comparing the sound production acoustics with a pre-stored standard English vowel sound production acoustics model; initializing an English vowel sounding system in sequence: in a complex English vowel sounding system, the number of all nodes connected with nodes is called the degree of the node, all nodes in the complex English vowel sounding system are arranged in a descending order according to the degree of the nodes, k nodes with the maximum degree are selected, the nodes with the maximum degree are divided into a first English vowel sounding system and serve as a central node of the first English vowel sounding system, the similarity between each node v in the remaining k-1 nodes and a central node w of each English vowel sounding system C is calculated, when the similarity is larger than a certain threshold eta, the nodes v are divided into the English vowel sounding system C, and otherwise, the nodes v serve as the central nodes of a new English vowel sounding system;
and expanding an English vowel sounding system: after an English vowel sounding system is initialized, marking the number of layers of all nodes, taking the selected nodes in the process of initializing the English vowel sounding system as a layer 1, marking all nodes which are not marked with the number of layers and are connected with the node of the layer n as nodes of a layer n +1, wherein n is a natural number greater than 0, expanding the layer n of the initial English vowel sounding system until all the nodes are marked, calculating the link strength between each node v and each English vowel sounding system C for each node v marked as the layer n, and dividing the nodes v into the English vowel sounding systems C if the link strength between the nodes v and the English vowel sounding systems C is maximum until all the nodes are divided into one English vowel sounding system C;
then, a small English vowel sounding system is fused: if the number of nodes contained in an English vowel sounding system is less than t { [ 5 ], max { | C { [ 5 ], theniI/10, it is called the small English vowel sound system, where max represents the maximum value, max { | CiThe maximum value of the node number of all English vowel sounding systems in the complex English vowel sounding system is represented by | }; after the English vowel sounding system is expanded, the small English vowel sounding system needs to be fused into the large English vowel sounding system; calculating small English vowel sound productionThe number of the adjacent nodes of each node v in the system and the number of the public nodes of each English vowel sounding system C which is not a small English vowel sounding system are the same, and if the number of the adjacent nodes of the nodes v and the number of the public nodes of the English vowel sounding system C are the maximum, the nodes v are divided into the English vowel sounding system C again;
and then selecting an optimal result: performing 10-30 times of tests on three processes of repeatedly initializing an English vowel sounding system, expanding the English vowel sounding system and fusing a small English vowel sounding system by taking a similarity threshold eta in the process of initializing the English vowel sounding system from 0.1 to 1 and taking 0.05-0.1 as a step length, calculating an expansion modularity eQ for a division result of each test, and selecting a division result which enables the eQ to be the maximum as a final division result;
correcting the sounding of the English vowel of the tested object to ensure that the sounding of the English vowel of the tested object is accurate;
further, the dimension table operation authority information includes: english tense identification of a sentence with dimension table operation authority;
the judging whether the English tense information of the sentence meets the operation authority information of the dimension table includes:
judging whether the English tense information of the sentence is in the English tense identification of the sentence with the dimension table operation authority;
the maintenance updating instruction is an instruction for adding content, an instruction for changing content or an instruction for deleting content;
before performing an update operation on the dimension table needing to be maintained and updated, the method comprises the following steps:
determining a field needing to be maintained and updated according to the maintenance and update instruction, and acquiring a field identifier of the field needing to be maintained and updated;
acquiring preset field configuration information according to the field identification and the dimension table configuration information; wherein the field configuration information comprises field content ordering rules, field order information and field limiting conditions of the fields;
if the maintenance update instruction is an instruction for adding content, the operation of updating the dimension table needing to be maintained and updated comprises the following steps:
acquiring batch data content corresponding to the content increasing instruction;
according to the batch data content, adding field content in one or more fields in the dimension table;
sequencing the field contents according to the field content sequencing rule;
sorting each field in the dimension table according to the field order information;
if the maintenance update instruction is a content change instruction, the updating operation is performed on the dimension table needing to be maintained and updated, and the method comprises the following steps:
acquiring batch data content corresponding to the content changing instruction;
according to the batch data content, changing field content in one or more fields in the dimension table;
if the maintenance updating instruction is a delete content instruction, performing an updating operation on the dimension table needing to be maintained and updated, including:
deleting field contents in one or more fields in the dimension table;
judging whether each field after the field content is added, changed or deleted meets the field limiting condition;
if any field does not meet the field limiting condition, generating prompt information; the prompt information is used for prompting the number of the fields which do not meet the field limiting conditions and prompting the field related information which does not meet the field limiting conditions; the field related information includes the field identification or field name of the field.
Further, the specific method for selecting the k nodes with the maximum degree in the process of initializing the English vowel sounding system
The process is as follows: k is max k1,k2}
k1＝n/10+2
k2＝|{v|d(v)＞max{d(v)}/2}|；
Wherein max represents the maximum value, n is the number of nodes in an English vowel sounding system, and d (v) represents the degree of the node v;
the formula for calculating the similarity between each node v in the remaining k-1 nodes and the central node w of each English vowel sound system C in the process of initializing the English vowel sound system is as follows:
wherein l (v) adj (v) ∪ { v }, adj (v) representing a set of nodes connected to node v;
the formula for calculating the link strength of the node v and each English vowel sounding system C in the process of expanding the English vowel sounding system is as follows:
wherein, d [ v ]][C]Representing the number of edges between node v and English vowel sound system C;
the extended modularity eQ is as follows:
wherein c is the number of English vowel sounding systems in the English vowel sounding system, and Q is the modularity; the modularity Q is as follows:
wherein, CiFor the English vowel sound system in the English vowel sound system, din(Ci) Presentation of English vowel sound system CiNumber of middle edges, dext(Ci) Presentation of English vowel sound system CiAnd the number of sides between the English vowel sound system, m represents the number of sides in the English vowel sound system, eiiPresentation of English vowel sound system CiThe ratio of the number of middle sides to the number of sides in the English vowel sound system, aiPresentation and English vowel sound system CiThe number of edges connected with the nodes in the system accounts for the proportion of the number of edges in the English vowel sounding system.
Further, the cloud service english teaching method further includes a syntax analysis method, specifically including:
firstly, English paragraphs are independently analyzed according to sentences, then the English paragraphs are split by taking vocabularies as units, time vocabularies appearing in the paragraphs are arranged according to the appearing sequence, tenses possibly appearing in the sentences are preliminarily analyzed, and the tenses of the sentences are marked according to tense symbols recorded in a tense marking table;
secondly, independently analyzing English paragraphs according to sentences, splitting the English paragraphs by taking vocabularies as units, and arranging state vocabularies appearing in the paragraphs according to the appearance sequence, wherein the state vocabularies are the progress degree of the indicated action;
then, comparing and analyzing the state vocabulary and the sixteen English state vocabulary libraries to obtain possible English tenses, and marking the tenses of the sentences according to the tense symbols recorded in the tense marking table; the state vocabulary library is a summary library of common time state sentences in sixteen English tense sentences;
then, arranging the tense symbols marked by the English paragraphs according to the sequence of the sentences, and determining the English tenses of the sentences by matching with key semantic understanding;
and finally, selecting a proper tense of the verb or verb according to the English tense of each sentence, and filling the tense into the sentence.
Further, the cloud service english teaching method further includes a pronunciation error correction method, specifically including:
step one, pre-storing a standard English vowel sounding acoustic model;
inputting English voice of the tested object;
step three, identifying vowels in English voices of the tested object;
recording the voice of the identified vowel read by the tested object;
fifthly, performing English vowel sounding acoustic analysis on the voice of the identified vowel read by the tested object;
sixthly, comparing the English vowel sounding acoustic analysis data of the tested object with the standard English vowel sounding acoustic model to obtain a first deviation degree;
and seventhly, correcting the English vowel sounding of the tested object according to the first deviation degree.
Another object of the present invention is to provide a computer program for implementing the cloud service english teaching method.
The invention further aims to provide an information data processing terminal for realizing the cloud service English teaching method.
Another object of the present invention is to provide a computer-readable storage medium, which includes instructions that, when executed on a computer, cause the computer to execute the cloud service english teaching method.
Another object of the present invention is to provide a cloud service english teaching apparatus for implementing the cloud service english teaching method, where the cloud service english teaching apparatus includes:
the teaching recording module is connected with the central processing module and is used for recording English teaching videos through shooting;
the data transmission module is connected with the central processing module and is used for transmitting English teaching video data through an English vowel sounding system;
the central processing module is connected with the teaching recording module, the data transmission module, the translation module, the grammar analysis module, the pronunciation error correction module, the video downloading module, the cloud service module and the display module and is used for controlling the normal work of each module;
the translation module is connected with the central processing module and is used for translating English contents in the English teaching video;
the grammar analysis module is connected with the central processing module and is used for analyzing English grammar in the English teaching video;
the pronunciation error correction module is connected with the central processing module and is used for correcting the pronunciation of the music exercised by the trainee;
the video downloading module is connected with the central processing module and is used for downloading English teaching video data;
the cloud service module is connected with the central processing module and used for processing English video data by centralizing large data resources through a cloud server;
and the display module is connected with the central processing module and used for displaying English teaching videos through the display screen.
The invention further aims to provide an information data processing terminal carrying the cloud service English teaching equipment.
The invention has the advantages and positive effects that:
according to the method, an English paragraph is divided into a sentence and a vocabulary through a grammar analysis module, keywords of time and state are marked, possible English tenses of the sentence are marked according to mark symbols in a self-built tense mark table, the English tenses of the sentence are determined by matching with the keywords, and finally, proper tenses of verbs and verbs are selected according to the English tenses of the sentence and are filled in the sentence; the method has the characteristics of simple understanding, high accuracy and convenient learning; simultaneously through pronunciation error correction module through the english vowel sound production acoustics to the measurand carry out the analysis to compare with the english vowel sound production acoustics model of the standard that prestores, thereby correct the english vowel sound production of measurand, so that the english vowel sound production of measurand is more accurate.
The invention splits an English paragraph into sentences and vocabularies, marks keywords of time and state, marks English tenses of the sentences according to mark symbols in a self-built tense mark table, and then receives a maintenance updating instruction; acquiring English tense information of the statement and dimension table information of a dimension table needing to be maintained and updated according to the maintenance and update instruction; acquiring preset dimension table configuration information according to the dimension table information; the method comprises the steps that dimension table configuration information comprises a source database where a dimension table needing to be maintained and updated is located, a destination database where the dimension table needs to be synchronized and dimension table operation authority information; judging whether the English tense information of the sentence meets the operation authority information of the dimension table or not according to the English tense information of the sentence and the operation authority information of the dimension table; if the English tense information of the statement meets the operation authority information of the dimension table, updating the dimension table needing to be maintained and updated; synchronizing the dimension table subjected to the updating operation to a target database; determining the English tense of the sentence by matching with the keywords, selecting a proper tense of the verb and the verb according to the English tense of the sentence, and filling the tense into the sentence; can ensure high accuracy and convenient learning.
The invention does not need to know the number of different vocalizations of the English vowel in advance; the calculation time complexity and the space complexity are low, and a plurality of sound production systems of English vowels can be processed; the divided vowel sounding result has small deviation with the real result.
Drawings
Fig. 1 is a block diagram of a structure of a cloud service english teaching device provided by an embodiment of the present invention.
In the figure: 1. a teaching recording module; 2. a data transmission module; 3. a central processing module; 4. a translation module; 5. a syntax analysis module; 6. a pronunciation error correction module; 7. a video downloading module; 8. a cloud service module; 9. and a display module.
Fig. 2 is a flowchart of a parsing method according to an embodiment of the present invention.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
As shown in fig. 1, the cloud service english teaching device provided by the present invention includes: the system comprises a teaching recording module 1, a data transmission module 2, a central processing module 3, a translation module 4, a grammar analysis module 5, a pronunciation error correction module 6, a video downloading module 7, a cloud service module 8 and a display module 9.
The teaching recording module 1 is connected with the central processing module 3 and is used for recording English teaching videos through shooting;
the data transmission module 2 is connected with the central processing module 3 and is used for transmitting English teaching video data through an English vowel sounding system;
the central processing module 3 is connected with the teaching recording module 1, the data transmission module 2, the translation module 4, the grammar analysis module 5, the pronunciation error correction module 6, the video downloading module 7, the cloud service module 8 and the display module 9 and is used for controlling the normal work of each module;
the translation module 4 is connected with the central processing module 3 and is used for translating English contents in the English teaching video;
the grammar analysis module 5 is connected with the central processing module 3 and is used for analyzing English grammar in the English teaching video;
the pronunciation error correction module 6 is connected with the central processing module 3 and is used for correcting the pronunciation of the music exercised by the trainee;
the video downloading module 7 is connected with the central processing module 3 and is used for downloading English teaching video data;
the cloud service module 8 is connected with the central processing module 3 and is used for processing English video data through a cloud server centralized large data resource;
and the display module 9 is connected with the central processing module 3 and used for displaying English teaching videos through a display screen.
The invention is further described below with reference to specific assays.
The cloud service English teaching method provided by the embodiment of the invention comprises the following steps:
splitting an English paragraph into sentences and vocabularies, marking keywords of time and state, marking English tenses of the sentences according to mark symbols in a self-built tense mark table, and then receiving a maintenance updating instruction; acquiring English tense information of the statement and dimension table information of a dimension table needing to be maintained and updated according to the maintenance and update instruction; acquiring preset dimension table configuration information according to the dimension table information; the method comprises the steps that dimension table configuration information comprises a source database where a dimension table needing to be maintained and updated is located, a destination database where the dimension table needs to be synchronized and dimension table operation authority information; judging whether the English tense information of the sentence meets the operation authority information of the dimension table or not according to the English tense information of the sentence and the operation authority information of the dimension table; if the English tense information of the statement meets the operation authority information of the dimension table, updating the dimension table needing to be maintained and updated; synchronizing the dimension table subjected to the updating operation to a target database; determining the English tense of the sentence by matching with the keywords, selecting a proper tense of the verb and the verb according to the English tense of the sentence, and filling the tense into the sentence;
analyzing the sound production acoustics of the English vowels of the tested object, and comparing the sound production acoustics with a pre-stored standard English vowel sound production acoustics model; initializing an English vowel sounding system in sequence: in a complex English vowel sounding system, the number of all nodes connected with nodes is called the degree of the node, all nodes in the complex English vowel sounding system are arranged in a descending order according to the degree of the nodes, k nodes with the maximum degree are selected, the nodes with the maximum degree are divided into a first English vowel sounding system and serve as a central node of the first English vowel sounding system, the similarity between each node v in the remaining k-1 nodes and a central node w of each English vowel sounding system C is calculated, when the similarity is larger than a certain threshold eta, the nodes v are divided into the English vowel sounding system C, and otherwise, the nodes v serve as the central nodes of a new English vowel sounding system;
and expanding an English vowel sounding system: after an English vowel sounding system is initialized, marking the number of layers of all nodes, taking the selected nodes in the process of initializing the English vowel sounding system as a layer 1, marking all nodes which are not marked with the number of layers and are connected with the node of the layer n as nodes of a layer n +1, wherein n is a natural number greater than 0, expanding the layer n of the initial English vowel sounding system until all the nodes are marked, calculating the link strength between each node v and each English vowel sounding system C for each node v marked as the layer n, and dividing the nodes v into the English vowel sounding systems C if the link strength between the nodes v and the English vowel sounding systems C is maximum until all the nodes are divided into one English vowel sounding system C;
then, a small English vowel sounding system is fused: if the number of nodes contained in an English vowel sounding system is less than t { [ 5 ], max { | C { [ 5 ], theniI/10, it is called the small English vowel sound system, where max represents the maximum value, max { | CiThe maximum value of the node number of all English vowel sounding systems in the complex English vowel sounding system is represented by | }; expanded English vowelAfter the sound production system, the small English vowel sound production system needs to be fused into the large English vowel sound production system; calculating the number of the adjacent nodes of each node v in the small English vowel sounding system and the number of the common nodes of each English vowel sounding system C which is not the small English vowel sounding system, and if the number of the adjacent nodes of the nodes v and the number of the common nodes of the English vowel sounding system C reach the maximum, re-dividing the nodes v into the English vowel sounding system C;
and then selecting an optimal result: performing 10-30 times of tests on three processes of repeatedly initializing an English vowel sounding system, expanding the English vowel sounding system and fusing a small English vowel sounding system by taking a similarity threshold eta in the process of initializing the English vowel sounding system from 0.1 to 1 and taking 0.05-0.1 as a step length, calculating an expansion modularity eQ for a division result of each test, and selecting a division result which enables the eQ to be the maximum as a final division result;
correcting the sounding of the English vowel of the tested object to ensure that the sounding of the English vowel of the tested object is accurate;
the dimension table operation authority information comprises: english tense identification of a sentence with dimension table operation authority;
the judging whether the English tense information of the sentence meets the operation authority information of the dimension table includes:
judging whether the English tense information of the sentence is in the English tense identification of the sentence with the dimension table operation authority;
the maintenance updating instruction is an instruction for adding content, an instruction for changing content or an instruction for deleting content;
before performing an update operation on the dimension table needing to be maintained and updated, the method comprises the following steps:
determining a field needing to be maintained and updated according to the maintenance and update instruction, and acquiring a field identifier of the field needing to be maintained and updated;
acquiring preset field configuration information according to the field identification and the dimension table configuration information; wherein the field configuration information comprises field content ordering rules, field order information and field limiting conditions of the fields;
if the maintenance update instruction is an instruction for adding content, the operation of updating the dimension table needing to be maintained and updated comprises the following steps:
acquiring batch data content corresponding to the content increasing instruction;
according to the batch data content, adding field content in one or more fields in the dimension table;
sequencing the field contents according to the field content sequencing rule;
sorting each field in the dimension table according to the field order information;
if the maintenance update instruction is a content change instruction, the updating operation is performed on the dimension table needing to be maintained and updated, and the method comprises the following steps:
acquiring batch data content corresponding to the content changing instruction;
according to the batch data content, changing field content in one or more fields in the dimension table;
if the maintenance updating instruction is a delete content instruction, performing an updating operation on the dimension table needing to be maintained and updated, including:
deleting field contents in one or more fields in the dimension table;
judging whether each field after the field content is added, changed or deleted meets the field limiting condition;
if any field does not meet the field limiting condition, generating prompt information; the prompt information is used for prompting the number of the fields which do not meet the field limiting conditions and prompting the field related information which does not meet the field limiting conditions; the field related information includes the field identification or field name of the field.
Further, the specific method for selecting the k nodes with the maximum degree in the process of initializing the English vowel sounding system
The process is as follows: k is max k1,k2}
k1＝n/10+2
k2＝|{v|d(v)＞max{d(v)}/2}|；
Wherein max represents the maximum value, n is the number of nodes in an English vowel sounding system, and d (v) represents the degree of the node v;
the formula for calculating the similarity between each node v in the remaining k-1 nodes and the central node w of each English vowel sound system C in the process of initializing the English vowel sound system is as follows:
wherein l (v) adj (v) ∪ { v }, adj (v) representing a set of nodes connected to node v;
the formula for calculating the link strength of the node v and each English vowel sounding system C in the process of expanding the English vowel sounding system is as follows:
wherein, d [ v ]][C]Representing the number of edges between node v and English vowel sound system C;
the extended modularity eQ is as follows:
wherein c is the number of English vowel sounding systems in the English vowel sounding system, and Q is the modularity; the modularity Q is as follows:
wherein, CiFor the English vowel sound system in the English vowel sound system, din(Ci) Presentation of English vowel sound system CiNumber of middle edges, dext(Ci) Presentation of English vowel sound system CiAnd the number of sides between the English vowel sound system, m represents the number of sides in the English vowel sound system, eiiPresentation of English vowel sound system CiThe ratio of the number of middle sides to the number of sides in the English vowel sound system, aiPresentation and English vowel sound system CiThe number of edges connected with the nodes in the system accounts for the proportion of the number of edges in the English vowel sounding system.
As shown in fig. 2, the syntax analysis method provided in the embodiment of the present invention specifically includes:
s101: firstly, English paragraphs are independently analyzed according to sentences, then the English paragraphs are split by taking vocabularies as units, time vocabularies appearing in the paragraphs are arranged according to the appearing sequence, tenses possibly appearing in the sentences are preliminarily analyzed, and the tenses of the sentences are marked according to tense symbols recorded in a tense marking table;
s102: secondly, independently analyzing English paragraphs according to sentences, splitting the English paragraphs by taking vocabularies as units, and arranging state vocabularies appearing in the paragraphs according to the appearance sequence, wherein the state vocabularies are the progress degree of the indicated action;
s103: then, comparing and analyzing the state vocabulary and the sixteen English state vocabulary libraries to obtain possible English tenses, and marking the tenses of the sentences according to the tense symbols recorded in the tense marking table; the state vocabulary library is a summary library of common time state sentences in sixteen English tense sentences;
s104: then, arranging the tense symbols marked by the English paragraphs according to the sequence of the sentences, and determining the English tenses of the sentences by matching with key semantic understanding;
s105: and finally, selecting a proper tense of the verb or verb according to the English tense of each sentence, and filling the tense into the sentence.
The pronunciation error correction method provided by the embodiment of the invention specifically comprises the following steps:
step one, pre-storing a standard English vowel sounding acoustic model;
inputting English voice of the tested object;
step three, identifying vowels in English voices of the tested object;
recording the voice of the identified vowel read by the tested object;
fifthly, performing English vowel sounding acoustic analysis on the voice of the identified vowel read by the tested object;
sixthly, comparing the English vowel sounding acoustic analysis data of the tested object with the standard English vowel sounding acoustic model to obtain a first deviation degree;
and seventhly, correcting the English vowel sounding of the tested object according to the first deviation degree.
During teaching, English teaching videos are recorded through the teaching recording module 1, and the English teaching videos are sent to an English vowel sounding system through the data transmission module 2; the central processing module 3 schedules the translation module 4 to translate English contents in the English teaching video; analyzing English grammar in the English teaching video through a grammar analysis module 5; correcting the pronunciation of the music exercised by the trainee through a pronunciation correcting module 6; downloading English teaching video data through a video downloading module 7; processing English video data by using a cloud service module 8 to centralize large data resources; and finally, displaying the English teaching video through the display module 9.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When used in whole or in part, can be implemented in a computer program product that includes one or more computer instructions. When loaded or executed on a computer, cause the flow or functions according to embodiments of the invention to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer english vowel sound system, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, the computer instructions may be transmitted from one website site, computer, server, or data center to another website site, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL), or wireless (e.g., infrared, wireless, microwave, etc.)). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that includes one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
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 and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A cloud service English teaching method is characterized by comprising the following steps:
splitting an English paragraph into sentences and vocabularies, marking keywords of time and state, marking English tenses of the sentences according to mark symbols in a self-built tense mark table, and then receiving a maintenance updating instruction; acquiring English tense information of the statement and dimension table information of a dimension table needing to be maintained and updated according to the maintenance and update instruction; acquiring preset dimension table configuration information according to the dimension table information; the method comprises the steps that dimension table configuration information comprises a source database where a dimension table needing to be maintained and updated is located, a destination database where the dimension table needs to be synchronized and dimension table operation authority information; judging whether the English tense information of the sentence meets the operation authority information of the dimension table or not according to the English tense information of the sentence and the operation authority information of the dimension table; if the English tense information of the statement meets the operation authority information of the dimension table, updating the dimension table needing to be maintained and updated; synchronizing the dimension table subjected to the updating operation to a target database; determining the English tense of the sentence by matching with the keywords, selecting a proper tense of the verb and the verb according to the English tense of the sentence, and filling the tense into the sentence;
analyzing the sound production acoustics of the English vowels of the tested object, and comparing the sound production acoustics with a pre-stored standard English vowel sound production acoustics model; initializing an English vowel sounding system in sequence: in a complex English vowel sounding system, the number of all nodes connected with nodes is called the degree of the node, all nodes in the complex English vowel sounding system are arranged in a descending order according to the degree of the nodes, k nodes with the maximum degree are selected, the nodes with the maximum degree are divided into a first English vowel sounding system and serve as a central node of the first English vowel sounding system, the similarity between each node v in the remaining k-1 nodes and a central node w of each English vowel sounding system C is calculated, when the similarity is larger than a certain threshold eta, the nodes v are divided into the English vowel sounding system C, and otherwise, the nodes v serve as the central nodes of a new English vowel sounding system;
and expanding an English vowel sounding system: after an English vowel sounding system is initialized, marking the number of layers of all nodes, taking the selected nodes in the process of initializing the English vowel sounding system as a layer 1, marking all nodes which are not marked with the number of layers and are connected with the node of the layer n as nodes of a layer n +1, wherein n is a natural number greater than 0, expanding the layer n of the initial English vowel sounding system until all the nodes are marked, calculating the link strength between each node v and each English vowel sounding system C for each node v marked as the layer n, and dividing the nodes v into the English vowel sounding systems C if the link strength between the nodes v and the English vowel sounding systems C is maximum until all the nodes are divided into one English vowel sounding system C;
then, a small English vowel sounding system is fused: if the number of nodes contained in an English vowel sounding system is less than t { [ 5 ], max { | C { [ 5 ], theniI/10, it is called the small English vowel sound system, where max represents the maximum value, max { | CiThe maximum value of the node number of all English vowel sounding systems in the complex English vowel sounding system is represented by | }; after the English vowel sounding system is expanded, the small English vowel sounding system needs to be fused into the large English vowel sounding system; calculating the number of the adjacent nodes of each node v in the small English vowel sounding system and the number of the common nodes of each English vowel sounding system C which is not the small English vowel sounding system, and if the number of the adjacent nodes of the nodes v and the number of the common nodes of the English vowel sounding system C reach the maximum, re-dividing the nodes v into the English vowel sounding system C;
and then selecting an optimal result: performing 10-30 times of tests on three processes of repeatedly initializing an English vowel sounding system, expanding the English vowel sounding system and fusing a small English vowel sounding system by taking a similarity threshold eta in the process of initializing the English vowel sounding system from 0.1 to 1 and taking 0.05-0.1 as a step length, calculating an expansion modularity eQ for a division result of each test, and selecting a division result which enables the eQ to be the maximum as a final division result;
correcting the sounding of the English vowel of the tested object to ensure that the sounding of the English vowel of the tested object is accurate;
the dimension table operation authority information comprises: english tense identification of a sentence with dimension table operation authority;
the judging whether the English tense information of the sentence meets the operation authority information of the dimension table includes:
judging whether the English tense information of the sentence is in the English tense identification of the sentence with the dimension table operation authority;
the maintenance updating instruction is an instruction for adding content, an instruction for changing content or an instruction for deleting content;
before performing an update operation on the dimension table needing to be maintained and updated, the method comprises the following steps:
determining a field needing to be maintained and updated according to the maintenance and update instruction, and acquiring a field identifier of the field needing to be maintained and updated;
acquiring preset field configuration information according to the field identification and the dimension table configuration information; wherein the field configuration information comprises field content ordering rules, field order information and field limiting conditions of the fields;
if the maintenance update instruction is an instruction for adding content, the operation of updating the dimension table needing to be maintained and updated comprises the following steps:
acquiring batch data content corresponding to the content increasing instruction;
according to the batch data content, adding field content in one or more fields in the dimension table;
sequencing the field contents according to the field content sequencing rule;
sorting each field in the dimension table according to the field order information;
if the maintenance update instruction is a content change instruction, the updating operation is performed on the dimension table needing to be maintained and updated, and the method comprises the following steps:
acquiring batch data content corresponding to the content changing instruction;
according to the batch data content, changing field content in one or more fields in the dimension table;
if the maintenance updating instruction is a delete content instruction, performing an updating operation on the dimension table needing to be maintained and updated, including:
deleting field contents in one or more fields in the dimension table;
judging whether each field after the field content is added, changed or deleted meets the field limiting condition;
if any field does not meet the field limiting condition, generating prompt information; the prompt information is used for prompting the number of the fields which do not meet the field limiting conditions and prompting the field related information which does not meet the field limiting conditions; the field related information comprises the field identification or field name of the field;
the specific process of selecting the k nodes with the maximum degree in the process of initializing the English vowel sounding system is as follows: k is max k1，k2}
k1＝n/10+2
k2＝|{v|d(v)＞max{d(v)}/2}|；
Wherein max represents the maximum value, n is the number of nodes in an English vowel sounding system, and d (v) represents the degree of the node v;
the formula for calculating the similarity between each node v in the remaining k-1 nodes and the central node w of each English vowel sound system C in the process of initializing the English vowel sound system is as follows:
wherein l (v) adj (v) ∪ { v }, adj (v) representing a set of nodes connected to node v;
the formula for calculating the link strength of the node v and each English vowel sounding system C in the process of expanding the English vowel sounding system is as follows:
wherein, d [ v ]][C]Representing the number of edges between node v and English vowel sound system C;
the extended modularity eQ is as follows:
wherein c is the number of English vowel sounding systems in the English vowel sounding system, and Q is the modularity; the modularity Q is as follows:
wherein, CiFor the English vowel sound system in the English vowel sound system, din(Ci) Presentation of English vowel sound system CiNumber of middle edges, dext(Ci) Presentation of English vowel sound system CiAnd the number of sides between the English vowel sound system, m represents the number of sides in the English vowel sound system, eiiPresentation of English vowel sound system CiThe ratio of the number of middle sides to the number of sides in the English vowel sound system, aiPresentation and English vowel sound system CiThe number of edges connected with the nodes in the system accounts for the proportion of the number of edges in the English vowel sounding system.
2. The cloud service english teaching method according to claim 1, wherein the cloud service english teaching method further includes a syntax analysis method, specifically including:
firstly, English paragraphs are independently analyzed according to sentences, then the English paragraphs are split by taking vocabularies as units, time vocabularies appearing in the paragraphs are arranged according to the appearing sequence, tenses possibly appearing in the sentences are preliminarily analyzed, and the tenses of the sentences are marked according to tense symbols recorded in a tense marking table;
secondly, independently analyzing English paragraphs according to sentences, splitting the English paragraphs by taking vocabularies as units, and arranging state vocabularies appearing in the paragraphs according to the appearance sequence, wherein the state vocabularies are the progress degree of the indicated action;
then, comparing and analyzing the state vocabulary and the sixteen English state vocabulary libraries to obtain possible English tenses, and marking the tenses of the sentences according to the tense symbols recorded in the tense marking table; the state vocabulary library is a summary library of common time state sentences in sixteen English tense sentences;
then, arranging the tense symbols marked by the English paragraphs according to the sequence of the sentences, and determining the English tenses of the sentences by matching with key semantic understanding;
and finally, selecting a proper tense of the verb or verb according to the English tense of each sentence, and filling the tense into the sentence.
3. The cloud-service english teaching method according to claim 1, wherein the cloud-service english teaching method further includes a pronunciation error correction method, specifically including:
step one, pre-storing a standard English vowel sounding acoustic model;
inputting English voice of the tested object;
step three, identifying vowels in English voices of the tested object;
recording the voice of the identified vowel read by the tested object;
fifthly, performing English vowel sounding acoustic analysis on the voice of the identified vowel read by the tested object;
sixthly, comparing the English vowel sounding acoustic analysis data of the tested object with the standard English vowel sounding acoustic model to obtain a first deviation degree;
and seventhly, correcting the English vowel sounding of the tested object according to the first deviation degree.
4. A computer program for implementing the cloud service English teaching method according to any one of claims 1 to 3.
5. An information data processing terminal for realizing the cloud service English teaching method according to any one of claims 1 to 3.
6. A computer-readable storage medium comprising instructions that, when executed on a computer, cause the computer to perform the cloud service english teaching method of any one of claims 1 to 3.
7. A cloud service english teaching device that realizes the cloud service english teaching method according to claim 1, wherein the cloud service english teaching device includes:
the teaching recording module is connected with the central processing module and is used for recording English teaching videos through shooting;
the data transmission module is connected with the central processing module and is used for transmitting English teaching video data through an English vowel sounding system;
the central processing module is connected with the teaching recording module, the data transmission module, the translation module, the grammar analysis module, the pronunciation error correction module, the video downloading module, the cloud service module and the display module and is used for controlling the normal work of each module;
the translation module is connected with the central processing module and is used for translating English contents in the English teaching video;
the grammar analysis module is connected with the central processing module and is used for analyzing English grammar in the English teaching video;
the pronunciation error correction module is connected with the central processing module and is used for correcting the English pronunciation exercised by the student;
the video downloading module is connected with the central processing module and is used for downloading English teaching video data;
the cloud service module is connected with the central processing module and used for processing English video data by centralizing large data resources through a cloud server;
and the display module is connected with the central processing module and used for displaying English teaching videos through the display screen.
8. An information data processing terminal carrying the cloud service english teaching equipment of claim 7.
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