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192results about How to "Improve translation quality" patented technology

Statistics-based machine translation method and apparatus, and electronic device

The present invention discloses a statistics-based machine translation method and apparatus and an electronic device, a semantic similarity-degree calculation method and apparatus and an electronic device, and a word quantization method and apparatus and an electronic device. The statistics-based machine translation method comprises: according to a feature that affects a translation probability and that is of each candidate translation and a pre-generated translation probability prediction model generating a translation probability of a sentence to be translated into each candidate translation, wherein the feature that affects the translation probability at least comprises a semantic similarity-degree between the sentence to be translated and the candidate translation; and selecting a preset number of candidate translations whose translation probabilities rank top as a translation of the sentence to be translated. By adoption of the statistics-based machine translation method provided by the present application, the semantic level of the natural language can be reached deeply when the machine translation model is constructed, and the deviation of semantics between the translation and the source text is avoided, so as to achieve the effect of improving translation quality.
Owner:阿里巴巴(中国)网络技术有限公司

Translation model establishing method and system

The invention discloses a translation model establishing method and system. The translation model establishing method comprises the following steps: respectively generating a regular alignment table, a word semantic vector table and a phrase table according to alignment information of a double-language parallel corpus, subsequently generating a source language phrase semantic vector table of a source language semantic space and a target language phrase semantic vector table of a target language semantic space by using the word semantic vector table and the phrase table, and finally training by using phrase semantic vector tables of different semantic spaces, thereby generating a translation model integrated with semantic information. The result shows that phrase semantic information can be integrated in statistic machine translation, the research shows that the relevance of words or phrases to context words or phrases can be reflected in the semantic information, and compared with a conventional translation method based on words or phrases, the translation model is relatively high in translation quality after the phrase semantic information is integrated, so that the translation property of the statistic machine translation is further improved as compared with that of the prior art.
Owner:SUZHOU UNIV

Translation method integrating syntactic tree and statistical machine translation technology and translation device

The invention discloses a translation method integrating a syntactic tree and statistical machine translation technology and a translation device. The method comprises the following steps. First, a dictionary base, a grammatical rule base, a phrase translation probability table and a target language linguistic model between different languages are established. Then, segmentation, word property removing and grammatical analysis are conducted to an original input sentence, and a syntactic tree is generated. Then by adopting a top-down strategy, the syntactic tree is gone through, by means of each individual node and part of continuous nodes which cross the syntax, the original texts of leaf nodes are taken to be matched with the phrase translation probability table trained by the statistical machine translation, By utilizing the translated texts of the phrase translation table and the linguistic model of the target language, the purpose of improving the fluency and the accuracy of the output translated texts is achieved. By means of the translation method integrating the syntactic tree and the statistical machine translation technology and the translation device, not only is fine grit knowledge provided by the phrase translation table utilized, but also the advantages of the syntactic tree when solving the relevant problems of depth and long distance of a sentence are utilized, and the quality of the texts translated by the machine can be improved remarkably.
Owner:北京赛迪翻译技术有限公司

Method and device for generating candidate translation, and electronic equipment

The invention discloses a method and a device for generating a candidate translation, and electronic equipment, also discloses a text quantization method and device, and electronic equipment, and also discloses a word quantization method and device, and electronic equipment. The method for generating the candidate translation comprises the following steps of: according to a pre-generated translation rule, generating the undetermined candidate translations of a text to be translated; according to the characteristics, which influence a translation probability, of each undetermined candidate translation and a pre-generated translation probability prediction model, generating the translation probability of the text to be translated to each undetermined candidate translation; and selecting a preset quantity of undetermined candidate translations of which the translation probabilities rank top as the candidate translations of the text to be translated, wherein the characteristics which influence the translation probability at least comprise a semantic similarity between the text to be translated and each candidate translation. The method provided by the invention can be adopted to deepen into the semantic level of the natural language to evaluate the translation quality of each undetermined candidate translation so as to achieve an effect on improving the translation quality of the candidate translations.
Owner:阿里巴巴(中国)网络技术有限公司

Text translation method, device, storage medium and computer device

The invention relates to a method, device, a readable storage medium and a computer device for text translation, including steps: obtaining an initial source text and reconstructing that source text,wherein the reconstructed source text is the source text obtained by supplementing the initial source text with missing word position information; carrying out semantic coding on the initial source text to obtain a source end vector sequence corresponding to the initial source text; a target end vector being obtained by sequentially decoding that source end vector sequence, and the target end vector being decoded according to the word vector of the candidate target word determined before each decoding, and the candidate target word of the current time being determined according to the target end vector of the current time; forming a target end vector sequence by sequentially decoding the target end vectors; performing reconstruction evaluation processing on the source vector sequence and the target vector sequence according to the reconstruction source text to obtain a reconstruction score corresponding to each candidate target word; a target text being generated according to that reconstruction score and the candidate target word. The scheme provided by the present application can improve the quality of translation.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Machine translation method and device based on statistics, and electronic equipment

The invention discloses a machine translation method and device based on statistics, and electronic equipment, and a method and device for building a translation quality prediction model, wherein the machine translation method based on statistics comprises the steps of by aiming at each candidate translation of a text to be translated, obtaining the translation features in the language aspect according to the text to be translated and the candidate translations; obtaining the translation features in the service aspect according to service information; calculating the translation quality score of each candidate translation by the pre-generated translation quality prediction model according to the obtained translation features in the language aspect and the obtained translation features in the service aspect; and then, selecting the preset quantity of candidate translations with high translation quality scores as the translations of the text to be translated. After the methods provided by the invention are used, translation results with accurate languages can be generated; and meanwhile, the practical service target can also be met, so that the effect of improving the translation quality is achieved.
Owner:ALIBABA GRP HLDG LTD

Method for extracting chapter-level parallel phrase pair of comparable corpus based on parallel corpus training

The invention discloses a method for extracting a chapter-level parallel phrase pair of a comparable corpus based on parallel corpus training and relates to a method for extracting the parallel phrase pair of the comparable corpus. The method solves the problems that acquisition of a parallel corpus needs high expenditure, and when two most similar contextual words or fragments are mutually translated and applied to the comparable corpus, serious dependency to a bilingual dictionary is caused. The method comprises the following steps of 1, providing a source language sentence set S and a target language sentence set T; 2, obtaining a phrase pair set of the parallel corpus; 3, obtaining a parallel phrase pair of the parallel corpus; 4, obtaining a non-parallel phrase pair of the parallel corpus; 5, obtaining a binary classifier of a support vector machine; 6, extracting a candidate parallel phrase pair <s, t>; 7, obtaining the parallel phrase pair containing a noise in the comparable corpus; 8, obtaining the parallel phrase pair of the comparable corpus; 9, obtaining an extension decoder. The method is applied to the field of extraction of the parallel phrase pair of the comparable corpus.
Owner:哈尔滨工业大学高新技术开发总公司

Neural machine translation method and device based on word vector connection technology

The invention discloses a neural machine translation method based on a word vector connection technology. The method comprises the steps that at the encoding stage, an encoder acquires the word vectorsequence of a source statement; the hidden layer vector sequence corresponding to the source statement is determined according to the determined forward vector sequence and the opposite vector sequence; the vector expression, containing contextual information, corresponding to each source word includes the forward hidden layer state, the opposite hidden layer state and the word vector corresponding to the source word; the contextual vector can be acquireed; at the decoding stage, a decoder forecasts the target word of the corresponding source word, so that the target statement of the source statement is generated. After the technical scheme provided by the embodiment is applied, an information channel between the source end word vector and the target end word vector is shortened; the connection and mapping among the word vectors are enhanced; the translation system performance is enhanced; the translation quality is improved. The invention also discloses a neural machine translation device based on the word vector connection technology, and the corresponding technical effect is achieved.
Owner:IOL WUHAN INFORMATION TECH CO LTD

Translation method and device based on neural network

The embodiment of the invention discloses a translation method and device based on a neural network. The method comprises the following steps that: obtaining the initial translation of a sentence to be translated, wherein the initial translation carries unlisted words; splitting the unlisted words in the initial translation into characters, and inputting a character sequence formed by the characters obtained by splitting into a first multilayer neural network; through the first multilayer neural network, obtaining the character vector of each character in the character sequence, and inputtingall character vectors of the character sequence into a second multilayer neural network; using the second multilayer neural network and a preset common word database to code all character vectors to obtain a semantic vector; and inputting the semantic vector into a third multilayer neural network, decoding the semantic vector through the third multilayer neural network, and combining with the initial translation of the sentence to be translated to determine the final translation of the sentence to be translated. The method has the advantages that the translation operability of the unlisted words can be improved, the translation cost of machine translation is lowered, and the translation quality of the machine translation is improved.
Owner:HUAWEI TECH CO LTD

Input method and device oriented at computer-assisting translation

The invention relates to an input method oriented at computer-assisting translation. The input method includes the steps that S1, word segmentation is carried out on a source language sentence; S2, a machine translation candidate list corresponding to the source language sentence obtained after word segmentation and an optimal machine translation candidate are obtained, and multielement grammar hint phrases are obtained; S3, input method phrase candidates are obtained by responding to the multielement grammar hint phrases selected by a key or receiving an input key sequence; S4, after the multielement grammar hint phrases or input method phrase candidates selected by a user key are responded, the multielement grammar hint phrases are obtained, and the step S3 is carried out repeatedly until a user finishes entering of the translation of the source language sentence. The invention further provides an input device oriented at computer-assisting translation. The device comprises a word segmentation module, a translation module, a first generation module, a second generation module and an input device interface. The input method and device oriented at computer-assisting translation make full use of machine translation knowledge, the key saving rate at least rises by 11.04%, and the efficiency of artificial translation is greatly increased.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI

Machine translation method and system

ActiveCN104268132AImprove global scheduling performanceSolve the problem of very poor translation performanceSpecial data processing applicationsStudies in Natural Language ProcessingLexical analysis
The invention discloses a machine translation method and system and belongs to the field of natural language processing research. The machine translation method comprises obtaining a source language testing sentence; respectively obtaining a lexical analysis result and a syntactic analysis result; extracting a PAS (Predicate Argument Structure) according to the syntactic analysis result; performing structural transferring on the PAS according to syntactic features of a target language; translating the source language testing sentence according to a transferred PAS structure and a translation rule obtained after training. According to the machine translation method, PAS transferring based statistic machine translation is achieved through transferring processing of the PAS according to sentence structure information and syntactic information of the PAS and the syntactic analysis result at a source language end, the problem that the number of redundancy rules translation rules in the prior art is large and accordingly the machine translation performance is poor, and effects of improving the global order adjusting performance of a sentence structure, reducing the number of extracted translation rules and improving the translation quality are effectively achieved.
Owner:BEIJING JIAOTONG UNIV

A machine translation method

The invention discloses a machine translation method and belongs to the technical field of natural language processing. The method of the present invention is: 1) converting the bilingual sentence of word alignment into a bilingual syntax tree structure; 2) extracting phrases with structural attributes at each layer of the bilingual syntax tree, and calculating the phrase translation probability to form a phrase translation table; 3) According to the phrase translation table, use the search algorithm to translate the bilingual sentences to be translated; among them, the tree nodes of the bilingual syntax tree are bilingual word pairs or bilingual phrase pairs that are mutually translated, and the source language end of the parent node of the syntax tree is owned by the parent node The order-preserving combination of the source language end of the child node is obtained, and the target language end is obtained by combining the target language ends of all the son nodes of the parent node in the set word combination order, and the combination of the nodes in the adjacent upper and lower layers in the syntax tree at the target language end The order is reversed; the combination order includes order preservation or reverse order. The invention achieves the effect of improving the translation quality by improving the internal structure of the translation candidate.
Owner:INST OF SOFTWARE - CHINESE ACAD OF SCI

Ideographical member identification and extraction method and machine-translation and manual-correction interactive translation method based on ideographical members

InactiveUS20150309994A1Improve translation qualitySupport social accumulationNatural language translationSemantic analysisMachine translationSentence reading
Disclosed are an ideographical member identification and extraction method and a machine-translation and manual-correction interactive translation method thereof. The ideographical member identification and extraction method is using corpuses with the same contents in a multi-language or bilingual word version, aligning sentences to generate a double-statement opposite library, different languages and characters being related through ideographical expressions, and the ideographical expressions of different languages and characters being achieved through four identical ideographical members. Identifying and extracting the four identical ideographical members comprises a sentence reading matched frame, an identification and label sentence cabin, a cabin detection and extraction cabin model and a receiving and storing sense-group cluster. The present invention further provides a machine-translation and manual-correction interactive translation method based on the ideographical members, comprising: reading sentences with a frame, setting a source statement, transferring sentence cabin or cabin eye contents, saving the inquiry items, pre-selecting given target langue sentences to be corrected and correcting semantic meanings, and self learning. The present invention solves the technical problem in the prior art, that quality of translation texts is poor, an operator is needed to have independent translation ability, and loss of word meanings and semantic meanings can not be redeemed in a processing process.
Owner:LIU SHUGEN
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