Hotspot technology analysis system and method

Abstract

The invention discloses a hotspot technology analysis system and analysis method, and belongs to the technical field of information processing. The system comprises an intelligence resource database which stores a plurality of documents to be subjected to hotspot technology analysis; the hotspot technology keyword extraction module is used for extracting a plurality of keywords related to the hotspot technology from the literature; the hotspot technology association degree analysis module is used for determining association values between the hotspot technology and other hotspot technologies; the hotspot technology importance degree analysis module determines an academic influence value of the hotspot technology; the hotspot technology difficulty degree analysis module determines the technology complexity of the hotspot technology; and the hotspot technology merging and sorting module is used for merging the hotspot technologies meeting a first preset condition into the same technology group and sorting the hotspot technologies in the same technology group. The system can more scientifically and reasonably reflect the internal logic connection on the technical layout.

Description

Technical Field

[0001] The present invention belongs to the field of information processing technology, and in particular relates to a hot technology analysis system and method. Background Art

[0002] As a strategic planning and foresight method, the technology roadmap has become an important means of technology path planning and technology development layout. The technology roadmap provides important support for predicting the direction of scientific and technological development and assisting in planning.

[0003] To demonstrate and formulate a technology development roadmap, it is necessary to screen, analyze, merge and sort the hot technologies in this technology field. The work of determining the hot technologies is related to the accuracy and guiding significance of the final technology roadmap.

[0004] With the development and improvement of technology roadmap methods and theories, SWOT analysis, correlation analysis, bibliometrics, data-based fitting prediction and related mathematical statistics theories are applied to the selection and analysis of hot technologies. However, overall, there are still many problems in the screening, analysis and merging methods of hot technologies, such as:

[0005] 1. The analysis and ranking of hot technologies still rely too much on expert experience, which is judged by questionnaire scoring and statistics. The subjective experience of experts and the knowledge barriers of experts in different technical fields easily lead to a certain degree of non-objectivity in the results;

[0006] 2. There is a lack of unified consideration of the importance of the development of hot technologies, the difficulty of development, and the relationship between technologies, and the impact of multiple factors on the layout of technology development is difficult to be comprehensively reflected;

[0007] 3. There is a lack of automated analysis systems, and the demonstration and analysis process consumes a lot of manpower and material resources, resulting in high costs. Summary of the invention

[0008] The present invention provides a hotspot technology analysis system and method, which are used to solve the above problems or at least partially solve the above problems.

[0009] In a first aspect, a hotspot technology analysis system is disclosed, the system comprising:

[0010] Intelligence resource database, hot technology keyword extraction module, hot technology relevance analysis module, hot technology importance analysis module, hot technology difficulty analysis module and hot technology merging and sorting module;

[0011] The intelligence resource database is used to store multiple documents to be analyzed for hot technology; there are multiple hot technologies;

[0012] The hot technology keyword extraction module is used to extract multiple keywords related to the hot technology from the document, normalize the keywords based on text similarity, and establish a mapping relationship between keywords, documents, and hot technologies; the normalization means that for multiple keywords with text similarity greater than a first preset threshold, only one keyword is retained, and other unreserved keywords are replaced with the retained keywords;

[0013] The hot technology association degree analysis module is used to construct a feature vector corresponding to each hot technology, and the feature vector is composed of all keywords corresponding to the hot technology; for each hot technology, based on the similarity between its corresponding feature vector and the feature vectors corresponding to other hot technologies, the association value between the hot technology and other hot technologies is determined, and the association value represents the similarity between the hot technology and other hot technologies;

[0014] The hot technology importance analysis module obtains all the literature corresponding to each hot technology; for each hot technology, the academic impact value of the hot technology is determined based on the impact factor and citation data of all the literature corresponding to the hot technology within a preset time period;

[0015] The hot technology difficulty analysis module determines, for each hot technology, the number of documents corresponding to the hot technology in each year within the preset time period, and determines the number of publications of the hot technology in the preset time period in combination with the weight of the impact factor of the technology research development trend corresponding to each year, and determines the technical complexity of the hot technology based on the number of publications;

[0016] The hot technology merging and sorting module determines, for each hot technology, the comprehensive correlation impact value of the hot technology relative to other technical hotspots based on the correlation value between the hot technology and other hot technologies, the academic impact value corresponding to the hot technology, and the technical complexity; merges the hot technologies that meet the first preset conditions into the same technology group, and sorts the hot technologies in the same technology group.

[0017] Preferably, for each hotspot technology, based on the similarity between its corresponding feature vector and the feature vector corresponding to other hotspot technologies, the correlation value between the hotspot technology and other hotspot technologies is determined, and the correlation value represents the similarity between the hotspot technology and other hotspot technologies, wherein the calculation formula of the correlation value between the hotspot technology and other hotspot technologies is:

[0018]

[0019] Among them, Sr m,m′ is the correlation value between the mth hotspot technology and the m′th hotspot technology, N m,m′is the number of common keywords between the mth hot technology and the m′th hot technology, N m′ is the number of keywords of the m′th hot technology, N m is the number of keywords of the mth hot technology, 1≤m,m′≤M, and m≠m′.

[0020] Preferably, the hot technology importance analysis module obtains all the literature corresponding to each hot technology; for each hot technology, the academic impact value of the hot technology is determined based on the impact factor and citation data of all the literature corresponding to the hot technology within a preset time period, wherein:

[0021]

[0022] Is m is the academic impact of the mth hot technology, is the lth corresponding to the mth hot technology m The impact factor of the article, is the lth corresponding to the mth hot technology m The number of citations of the article, l m =1,2,3,...,L m , L m is the total number of documents corresponding to the mth hot technology;

[0023] Determine the academic impact value of the hot technology, the calculation formula is:

[0024]

[0025] Among them, Si m is the academic impact value of the mth hot technology, Is max It is the maximum academic impact of all hot technologies.

[0026] Preferably, the hot technology difficulty analysis module determines, for each hot technology, the number of documents corresponding to the hot technology in each year within the preset time period, and determines the number of publications of the hot technology in the preset time period in combination with the weight of the impact factor of the technology research development trend corresponding to each year, and determines the technical complexity of the hot technology based on the number of publications, wherein:

[0027]

[0028] N m is the number of publications of the mth hot technology in the preset time period, where the preset time period corresponds to X years, x=1, 2, 3, ..., X, is the number of literature corresponding to the mth hot technology in the xth year, is the weight of the technical research and development trend impact factor of the mth hot technology in the xth year. The weight of the technical research and development trend impact factor is set according to the overall development trend and expert judgment value of the technical field where the mth hot technology is located, and satisfies and

[0029] The technical complexity is:

[0030]

[0031] Among them, Sd m Ns is the technical complexity of the mth hot technology. max It is the maximum value of the number of publications of all hot technologies in the past X years.

[0032] Preferably, the hot technology merging and sorting module performs the following operations for each hot technology:

[0033] calculate

[0034] S m,m′ is the comprehensive correlation impact value of the mth hotspot technology relative to the m′th hotspot technology, λ m,m′ , μ m,m′ and ν m,m′ are weight parameters respectively, and satisfy λ m,m′ +μ m,m′ +ν m,m′ =1;

[0035] Calculate S m,m′ The corresponding mean and variance, and then S m,m′ To standardize the data:

[0036]

[0037]

[0038] The pair S m,m′ Perform data standardization, including calculations S m,m′ Assigned to in, For S m,m′ The corresponding mean, Sq m is the corresponding variance;

[0039] Compute the covariance matrix of the standardized results:

[0040]

[0041] Among them, cov(S m ,S m′)=E(S m S m′ )-E(S m )E(S m′ ), E(·) is the mean function, S m =[S m,1 ,S m,2 ,S m,3 ,...,S m,M ],S m' =[S m',1 ,S m',2 ,S m',3 ,...,S m',M ],S m In, S m,m =1;S m' In, S m',m' =1;

[0042] Solve the characteristic equation |λ m IC|=0, and the eigenvalue λ is obtained m , where I is the identity matrix.

[0043] Preferably, after obtaining the eigenvalues ​​corresponding to each hot technology, the eigenvalues ​​are arranged in descending order, and the sorting result is recorded as a sorting sequence {λ1',λ2',...,λ' M}, calculate the eigenvector e' corresponding to each element in the sorted sequence m , satisfying ||e' m ||=1;

[0044] Calculate the contribution rate corresponding to each element in the sorted sequence:

[0045]

[0046] Get the hot technologies corresponding to the elements with contribution rates greater than 0.9 in the sorted sequence, and then get the eigenvectors e' corresponding to all the hot technologies obtained m In the example, select the eigenvector e' m The hot technologies for which all components are positive are regarded as the hot technologies that meet the first preset condition. The hot technologies that meet the first preset condition are merged into the technology group, and all the hot technologies in the technology group are sorted from large to small according to the comprehensive correlation impact value.

[0047] In a second aspect, a hotspot technology analysis method is disclosed. Based on the hotspot technology analysis system as described above, the method includes:

[0048] Step S1: Obtaining documents in the technical field to be demonstrated and storing them in the intelligence resource database of the hotspot analysis system;

[0049] Step S2: the hotspot analysis system performs hotspot analysis on the literature in the technical field to be demonstrated to obtain a technology group;

[0050] Step S3: Based on the technology group, determine the technical route in the technical field.

[0051] In a third aspect, an electronic device is disclosed, the electronic device comprising:

[0052] at least one processor; and

[0053] a memory communicatively connected to the at least one processor; wherein,

[0054] The memory stores instructions that can be executed by the at least one processor, and the instructions are executed by the at least one processor to enable the at least one processor to perform the method described above.

[0055] In a fourth aspect, a non-transitory computer-readable storage medium storing computer instructions is disclosed, wherein the computer instructions are used to cause the computer to execute the method as described above.

[0056] The present invention has the following technical effects:

[0057] 1. The present invention is mainly based on the analysis and measurement of objective literature data, avoiding the subjectivity of expert experience and the analytical bias caused by the knowledge barriers in different technical fields of experts. It can be combined with a questionnaire-based argumentation method based on expert knowledge and brainstorming to achieve the integration of expert knowledge and objective data, thereby improving the credibility of the results.

[0058] 2. The hot technology analysis system and implementation method proposed in the present invention comprehensively consider the correlation between hot technology technologies, the importance and difficulty of hot technology development, and merge and sort the hot technology technologies through the coupling relationship among the three, which can more scientifically and reasonably reflect the internal logical connection in the technology layout.

[0059] 3. The hot technology analysis system proposed in the present invention has a simple structure and low computational complexity. It can quickly and automatically implement hot technology analysis, and its modular design method can realize the parallel operation of some functions, effectively reducing the cost of technology roadmap demonstration and improving effectiveness. BRIEF DESCRIPTION OF THE DRAWINGS

[0060] Figure 1 This is a schematic diagram of the architecture of the hot technology analysis system;

[0061] Figure 2 A schematic diagram of another embodiment of a hotspot technology analysis system. DETAILED DESCRIPTION

[0062] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0063] like Figure 1-Figure 2 As shown, the present invention provides a hotspot technology analysis system, the system comprising:

[0064] Intelligence resource database, hot technology keyword extraction module, hot technology relevance analysis module, hot technology importance analysis module, hot technology difficulty analysis module and hot technology merging and sorting module;

[0065] The intelligence resource database is used to store multiple documents to be analyzed for hot technology; there are multiple hot technologies;

[0066] The hot technology keyword extraction module is used to extract multiple keywords related to the hot technology from the document, normalize the keywords based on text similarity, and establish a mapping relationship between keywords, documents, and hot technologies; the normalization means that for multiple keywords with text similarity greater than a first preset threshold, only one keyword is retained, and other unreserved keywords are replaced with the retained keywords;

[0067] The hot technology association degree analysis module is used to construct a feature vector corresponding to each hot technology, and the feature vector is composed of all keywords corresponding to the hot technology; for each hot technology, based on the similarity between its corresponding feature vector and the feature vectors corresponding to other hot technologies, the association value between the hot technology and other hot technologies is determined, and the association value represents the similarity between the hot technology and other hot technologies;

[0068] The hot technology importance analysis module obtains all the literature corresponding to each hot technology; for each hot technology, the academic impact value of the hot technology is determined based on the impact factor and citation data of all the literature corresponding to the hot technology within a preset time period;

[0069] The hot technology difficulty analysis module determines, for each hot technology, the number of documents corresponding to the hot technology in each year within the preset time period, and determines the number of publications of the hot technology in the preset time period in combination with the weight of the impact factor of the technology research development trend corresponding to each year, and determines the technical complexity of the hot technology based on the number of publications;

[0070] The hot technology merging and sorting module determines, for each hot technology, the comprehensive correlation impact value of the hot technology relative to other technical hotspots based on the correlation value between the hot technology and other hot technologies, the academic impact value corresponding to the hot technology, and the technical complexity; merges the hot technologies that meet the first preset conditions into the same technology group, and sorts the hot technologies in the same technology group.

[0071] In the present invention, M hot technologies in the technical field that needs to be demonstrated are analyzed, and the hot technology keyword extraction module is used to retrieve relevant literature materials within X years (the number of years can be set according to specific needs) of the hot technology from the intelligence resource database, and the keywords are extracted by text extraction, and the same keywords are merged and unified into the same keyword name by text alignment and text disambiguation. After the keywords are unified, a mapping relationship between keywords, literature resources and hot technologies is established. The number of documents retrieved for the mth hot technology is L m , the number of keywords extracted from the mth hot technology is N m , where m=1,2,3,...,M.

[0072] Furthermore, for each hot technology, based on the similarity between its corresponding feature vector and the feature vector corresponding to other hot technologies, the correlation value between the hot technology and other hot technologies is determined, and the correlation value represents the similarity between the hot technology and other hot technologies, wherein the calculation formula of the correlation value between the hot technology and other hot technologies is:

[0073]

[0074] Among them, Sr m,m′ is the correlation value between the mth hotspot technology and the m′th hotspot technology, N m,m′ is the number of common keywords between the mth hot technology and the m′th hot technology, N m′ is the number of keywords of the m′th hot technology, N m is the number of keywords of the mth hot technology, 1≤m,m′≤M, and m≠m′.

[0075] The hot technology importance analysis module obtains all the literature corresponding to each hot technology; for each hot technology, the academic impact value of the hot technology is determined based on the impact factor and citation data of all the literature corresponding to the hot technology within a preset time period, where:

[0076]

[0077] Is m is the academic impact of the mth hot technology, is the lth corresponding to the mth hot technology m The impact factor of the article, is the lth corresponding to the mth hot technology m The number of citations of the article, l m =1,2,3,...,L m , L m is the total number of documents corresponding to the mth hot technology;

[0078] Determine the academic impact value of the hot technology, the calculation formula is:

[0079]

[0080] Among them, Si m is the academic impact value of the mth hot technology, Is max It is the maximum academic impact of all hot technologies.

[0081] The hot technology difficulty analysis module determines, for each hot technology, the number of documents corresponding to the hot technology in each year within the preset time period, and determines the number of publications of the hot technology in the preset time period in combination with the weight of the impact factor of the technology research development trend corresponding to each year. Based on the number of publications, the technical complexity of the hot technology is determined, wherein:

[0082]

[0083] N m is the number of publications of the mth hot technology in the preset time period, where the preset time period corresponds to X years, x=1, 2, 3, ..., X, is the number of literature corresponding to the mth hot technology in the xth year, is the weight of the technical research and development trend impact factor of the mth hot technology in the xth year. The weight of the technical research and development trend impact factor is set according to the overall development trend and expert judgment value of the technical field where the mth hot technology is located, and satisfies and

[0084] The technical complexity is:

[0085]

[0086] Among them, Sd m Ns is the technical complexity of the mth hot technology. max It is the maximum value of the number of publications of all hot technologies in the past X years.

[0087] Furthermore, the hot technology merging and sorting module performs the following operations on each hot technology:

[0088] calculate

[0089] S m,m′ is the comprehensive correlation impact value of the mth hotspot technology relative to the m′th hotspot technology, λ m,m′ , μ m,m′ and ν m,m′are weight parameters respectively, and satisfy λ m,m′ +μ m,m′ +ν m,m′ =1;

[0090] Calculate S m,m′ The corresponding mean and variance, and then S m,m′ To standardize the data:

[0091]

[0092]

[0093] The pair S m,m′ Perform data standardization, including calculations S m,m′ Assigned to in, For S m,m′ The corresponding mean, Sq m is the corresponding variance;

[0094] Compute the covariance matrix of the standardized results:

[0095]

[0096] Among them, cov(S m ,S m′ )=E(S m S m′ )-E(S m )E(S m′ ), E(·) is the mean function, S m =[S m,1 ,S m,2 ,S m,3 ,...,S m,M ],S m' =[S m',1 ,S m',2 ,S m',3 ,...,S m',M ],S m In, S m,m =1;S m' In, S m',m' =1;

[0097] Solve the characteristic equation |λ m IC|=0, and the eigenvalue λ is obtained m , where I is the identity matrix.

[0098] Furthermore, after obtaining the eigenvalues ​​corresponding to each hot technology, the eigenvalues ​​are arranged in descending order, and the sorting result is recorded as the sorting sequence {λ1',λ2',...,λ'M}, calculate the eigenvector e' corresponding to each element in the sorted sequence m , satisfying ||e' m ||=1;

[0099] Calculate the contribution rate corresponding to each element in the sorted sequence:

[0100]

[0101] Get the hot technologies corresponding to the elements with contribution rates greater than 0.9 in the sorted sequence, and then get the eigenvectors e' corresponding to all the hot technologies obtained m In the example, select the eigenvector e' m The hot technologies for which all components are positive are regarded as the hot technologies that meet the first preset condition. The hot technologies that meet the first preset condition are merged into the technology group, and all the hot technologies in the technology group are sorted from large to small according to the comprehensive correlation impact value.

[0102] The intelligence resource database of the present invention provides a document data interface for hot technology analysis; the hot technology keyword extraction module is a set of programs with text query, extraction and processing functions, which is used to query keywords in the technical field that needs to be demonstrated from the intelligence resource database, and merge similar keywords based on text similarity, merge them into the same name, and establish a mapping relationship between keywords, document resources and the hot technologies they belong to; the hot technology correlation degree analysis module is a set of correlation analysis calculation programs, which is used to calculate the correlation degree between various hot technologies, and calculate the correlation score by the number of identical keywords between a certain hot technology and other hot technologies; the hot technology importance degree analysis module is a set of document analysis programs, which is used to calculate the document resources in the hot technology field within a period of time. The weighted total amount of the impact factor of the material and the citation data of others characterizes the comprehensive academic impact value of the hot technology field, and the comprehensive academic impact value is processed to give the score of the importance of the hot technology; the hot technology difficulty analysis module is a series of literature statistical program sets, which are used to count the number of literature resources published in each year within a period of time, determine the maturity of the hot technology through the trend, and give the score of the difficulty of the hot technology; the hot technology merging and sorting module is a series of calculation and statistical program sets, which are used to weight the hot technology relevance, hot technology importance, and hot technology difficulty according to development needs, and perform weighted comprehensive analysis based on the weight coefficient, merge the related technologies with technical associations into technology groups, and sort the technology development layout according to importance and difficulty. A hot technology development layout analysis method is used for technology development layout analysis based on the hot technology analysis system, and supports the drawing and generation of hot technology development roadmap. The present invention adopts a method based on mathematical statistics and bibliometric analysis to analyze the hot technology development plan, which is particularly suitable for auxiliary decision-making of hot technology development layout demonstration in the process of formulating the science and technology development roadmap.

[0103] In the present invention, literature resources related to the hot technical fields that need to be demonstrated are stored by importing, and at the same time, the authoritative scientific and technological literature database is supported to provide a literature data interface for hot technical analysis.

[0104] The hot technology keyword extraction module is capable of text query, extraction and processing, and is used to query the keywords of the technical field that needs to be demonstrated from the intelligence resource database, and merge similar keywords based on text similarity, merge them into the same name, and establish a mapping relationship between keywords, document resources and the corresponding hot technologies.

[0105] The hot technology correlation degree analysis module is a collection of correlation analysis calculation programs, which is used to calculate the correlation degree between various hot technologies and calculate the correlation score based on the number of identical keywords between a certain hot technology and other hot technologies.

[0106] The hot technology importance analysis module is a collection of literature analysis programs, which is used to calculate the impact factor of literature materials in the hot technology field over a period of time, the weighted total amount of citation data, characterize the comprehensive academic impact value of the hot technology field, and process the comprehensive academic impact value to give a score of the importance of the hot technology.

[0107] The hot technology difficulty analysis module is a collection of a series of literature statistics programs, which is used to count the number of literature resource publication trends in each year over a period of time, determine the maturity of the hot technology based on the trend, and give a score for the difficulty of the hot technology.

[0108] The hot technology merging and sorting module is a collection of a series of computational statistical programs, which is used to assign weights to the correlation, importance and difficulty of hot technologies according to development needs, conduct weighted comprehensive analysis based on weight coefficients, merge related technologies with technical correlations into technology groups, and sort the technology development layout according to importance and difficulty.

[0109] In the present invention, λ m,m′ , μ m,m′ and ν m,m′ They are weight parameters, which can be set according to the demand of technology development roadmap, according to the influence of the correlation, importance and difficulty between two hot technologies on technology layout, or obtained by fitting after expert judgment, to meet λ m,m′ +μ m,m′ +ν m,m′ =1.

[0110] In the present invention, the eigenvector corresponding to the eigenvalue reaching 90% has a positive component, which indicates that the corresponding hot technology has a positive impact on the overall score, that is, there is a large correlation between the hot technologies with positive eigenvector components under the constraints of importance and difficulty. According to the extracted eigenvector, the hot technologies corresponding to the positive components are regarded as related technology groups and merged together, and the development layout of the technologies within the technology group is ranked by size according to the given comprehensive correlation impact value.

[0111] The present invention provides a hot technology analysis method, based on the hot technology analysis system as described above, the method comprises:

[0112] Step S1: Obtaining documents in the technical field to be demonstrated and storing them in the intelligence resource database of the hotspot analysis system;

[0113] Step S2: the hotspot analysis system performs hotspot analysis on the literature in the technical field to be demonstrated to obtain a technology group;

[0114] Step S3: Based on the technology group, determine the technical route in the technical field.

[0115] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them. Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solutions described in the above embodiments can still be modified, or some or all of the technical features therein can be replaced by equivalents, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A hot technology analysis system, characterized in that: The system comprises: Intelligence resource database, hot technology keyword extraction module, hot technology relevance analysis module, hot technology importance analysis module, hot technology difficulty analysis module and hot technology merging and sorting module; The intelligence resource database is used to store multiple documents to be analyzed for hot technology; there are multiple hot technologies; The hot technology keyword extraction module is used to extract multiple keywords related to the hot technology from the document, normalize the keywords based on text similarity, and establish a mapping relationship between keywords, documents, and hot technologies; the normalization means that for multiple keywords with text similarity greater than a first preset threshold, only one keyword is retained, and other unreserved keywords are replaced with the retained keywords; The hot technology association degree analysis module is used to construct a feature vector corresponding to each hot technology, and the feature vector is composed of all keywords corresponding to the hot technology; for each hot technology, based on the similarity between its corresponding feature vector and the feature vectors corresponding to other hot technologies, the association value between the hot technology and other hot technologies is determined, and the association value represents the similarity between the hot technology and other hot technologies; The hot technology importance analysis module obtains all the literature corresponding to each hot technology; for each hot technology, the academic impact value of the hot technology is determined based on the impact factor and citation data of all the literature corresponding to the hot technology within a preset time period; The hot technology difficulty analysis module determines, for each hot technology, the number of documents corresponding to the hot technology in each year within the preset time period, and determines the number of publications of the hot technology in the preset time period in combination with the weight of the impact factor of the technology research development trend corresponding to each year, and determines the technical complexity of the hot technology based on the number of publications; The hot technology merging and sorting module determines, for each hot technology, the comprehensive correlation impact value of the hot technology relative to other technical hotspots based on the correlation value between the hot technology and other hot technologies, the academic impact value corresponding to the hot technology, and the technical complexity; merges the hot technologies that meet the first preset conditions into the same technology group, and sorts the hot technologies in the same technology group.

2. The system according to claim 1, characterized in that For each hot technology, the correlation value between the hot technology and other hot technologies is determined based on the similarity between its corresponding feature vector and the feature vector corresponding to other hot technologies. The correlation value represents the similarity between the hot technology and other hot technologies. The calculation formula of the correlation value between the hot technology and other hot technologies is: Among them, Sr m,m′ is the correlation value between the mth hotspot technology and the m′th hotspot technology, N m,m′ is the number of common keywords between the mth hot technology and the m′th hot technology, N m′ is the number of keywords of the m′th hot technology, N m is the number of keywords of the mth hot technology, 1≤m,m′≤M, and m≠m′.

3. The system according to claim 2, characterized in that The hot technology importance analysis module obtains all the literature corresponding to each hot technology; for each hot technology, the academic impact value of the hot technology is determined based on the impact factor and citation data of all the literature corresponding to the hot technology within a preset time period, where: Is m is the academic impact of the mth hot technology, is the lth hot technology corresponding to the mth hot technology m The impact factor of the article, is the lth hot technology corresponding to the mth hot technology m The number of citations of the article. l m =1,2,3,...,L m , L m is the total number of documents corresponding to the mth hot technology; Determine the academic impact value of the hot technology, the calculation formula is: Among them, Si m is the academic impact value of the mth hot technology, Is max It is the maximum academic impact of all hot technologies.

4. The system according to claim 3, characterized in that The hot technology difficulty analysis module determines, for each hot technology, the number of documents corresponding to the hot technology in each year within the preset time period, and determines the number of publications of the hot technology in the preset time period in combination with the weight of the impact factor of the technology research development trend corresponding to each year. Based on the number of publications, the technical complexity of the hot technology is determined, wherein: N m is the number of publications of the mth hot technology in the preset time period, where the preset time period corresponds to X years, x=1, 2, 3, ..., X, is the number of literature corresponding to the mth hot technology in the xth year, is the weight of the technical research and development trend impact factor of the mth hot technology in the xth year. The weight of the technical research and development trend impact factor is set according to the overall development trend and expert judgment value of the technical field where the mth hot technology is located, and satisfies and The technical complexity is: Among them, Sd m Ns is the technical complexity of the mth hot technology. max It is the maximum value of the number of publications of all hot technologies in the past X years.

5. The system according to claim 4, characterized in that The hot technology merging and sorting module performs the following operations on each hot technology: calculate S m,m′ is the comprehensive correlation impact value of the mth hotspot technology relative to the m′th hotspot technology, λ m,m′ , μ m,m′ and ν m,m′ are weight parameters respectively, and satisfy λ m,m′ +μ m,m′ +ν m,m′ =1; Calculate S m,m′ The corresponding mean and variance, and then S m,m′ To standardize the data: The pair S m,m′ Perform data standardization, including calculations S m,m′ Assigned to in, For S m,m′ The corresponding mean, Sq m is the corresponding variance; Compute the covariance matrix of the standardized results: Among them, cov(S m ,S m′ )=E(S m S m′ )-E(S m )E(S m′ ), E(·) is the mean function, S m =[S m,1 ,S m,2 ,S m,3 ,...,S m,M ],S m' =[S m',1 ,S m',2 ,S m',3 ,...,S m',M ],S m In, S m,m =1;S m' In, S m',m' =1; Solve the characteristic equation |λ m IC|=0, and the eigenvalue λ is obtained m , where I is the identity matrix.

6. The system according to claim 5, characterized in that After obtaining the eigenvalues ​​corresponding to each hot technology, the eigenvalues ​​are arranged in descending order, and the sorting result is recorded as the sorting sequence {λ'1,λ'2,...,λ' M }, calculate the eigenvector e' corresponding to each element in the sorted sequence m , satisfying ||e' m ||=1; Calculate the contribution rate corresponding to each element in the sorted sequence: Get the hot technologies corresponding to the elements with contribution rates greater than 0.9 in the sorted sequence, and then get the eigenvectors e' corresponding to all the hot technologies obtained m In the example, select the eigenvector e' m The hot technologies for which all components are positive are regarded as the hot technologies that meet the first preset condition. The hot technologies that meet the first preset condition are merged into the technology group, and all the hot technologies in the technology group are sorted from large to small according to the comprehensive correlation impact value.

7. A hot technology analysis method, based on the hot technology analysis system according to any one of claims 1 to 6, characterized in that: The method comprises: Step S1: Obtaining documents in the technical field to be demonstrated and storing them in the intelligence resource database of the hotspot analysis system; Step S2: the hotspot analysis system performs hotspot analysis on the literature in the technical field to be demonstrated to obtain a technology group; Step S3: Based on the technology group, determine the technical route in the technical field.

8. An electronic device, comprising: at least one processor; as well as a memory communicatively connected to the at least one processor; wherein, The memory stores instructions executable by the at least one processor, wherein the instructions are executed by the at least one processor so as to enable the at least one processor to perform the method according to claim 7.

9. A non-transitory computer-readable storage medium storing computer instructions for causing the computer to execute the method of claim 7.

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