CN114969384B - High-value judicial evidence chain acquisition and storage method and device and readable storage medium - Google Patents

High-value judicial evidence chain acquisition and storage method and device and readable storage medium Download PDF

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CN114969384B
CN114969384B CN202210920277.0A CN202210920277A CN114969384B CN 114969384 B CN114969384 B CN 114969384B CN 202210920277 A CN202210920277 A CN 202210920277A CN 114969384 B CN114969384 B CN 114969384B
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张远民
廖愈乐
徐东阳
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China Unicom Sichuan Industrial Internet Co Ltd
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Abstract

The invention discloses a high-value judicial evidence chain obtaining and storing method, a device and a readable storage medium, and relates to the technical field of judicial evidence chain obtaining and storing.

Description

High-value judicial evidence chain acquisition and storage method and device and readable storage medium
Technical Field
The invention relates to the technical field of acquisition and storage of judicial evidence chains, in particular to a method and a device for acquiring and storing a high-value judicial evidence chain and a readable storage medium.
Background
Along with the enhancement of law-curing consciousness of the public, the judicial demands of the people present diversified characteristics, and new requirements are provided for comprehensiveness, communication distance and interaction timeliness; each court faces huge litigation service pressure, and limited resources are difficult to meet all requirements of different crowds; the method for providing convenient litigation service for the social public is an important function of the construction of the intelligent court, and the determination of the evidence chain in the case is the core of the litigation service.
In recent years, computer algorithms are widely applied in various fields, and the analysis and mining of judicial big data by utilizing the computer algorithm technology have great significance in the construction of intelligent courts; the evidence chain is an important basis for judging whether the litigation request is reasonable, however, the evidence comes from multiple aspects, the evidence sources are unreliable, and some evidences are mutually contradictory; there are also mutual evidencing relationships between the evidences; at present, several evidence chains can be formed for the numerous evidences in the litigation process, but the evidence chains simultaneously include: a low-value evidence chain with little significance and a high-value evidence chain with great significance; but the work of analytically determining evidence chains for judicial judgment mainly relies on manual judgment by judges; on one hand, the workload of judges is undoubtedly and greatly increased, and meanwhile, the auditing period of judicial cases is influenced to a certain extent, and on the other hand, as the judicial careers of different judges contact cases greatly differently, larger human factors exist in judgment of a high-value evidence chain.
However, no method for generating an evidence chain and judging a high-value evidence chain exists on the basis of a computer algorithm at present, so that manual judgment is still performed in a plurality of court systems; therefore, the high-value evidence chain judgment method based on the computer algorithm is very urgent.
Disclosure of Invention
The invention aims to: the work of determining evidence chains for judicial judgment for current analysis mainly relies on manual judgment by judges; on one hand, the workload of judges is undoubtedly greatly increased, and meanwhile, the auditing period of judicial cases is influenced to a certain extent, and on the other hand, as the judicial careers of different judges contact cases greatly differently, a large human factor exists in the judgment of a high-value evidence chain; the method comprises the steps that at present, a method for generating an evidence chain and judging a high-value evidence chain based on a computer algorithm is not available, a high-value judicial evidence chain obtaining and storing method, a device and a readable storage medium are provided, the relation between evidences is extracted and obtained through keywords, an evidence relation graph is built according to the relation between the evidences, a plurality of evidence chains are automatically generated, then the score of each evidence chain is calculated by adopting a relation attribute weighting algorithm, and the high-value evidence chain is determined; the problems of large workload and large artificial judgment error caused by artificial judgment are solved.
The technical scheme of the invention is as follows:
a high-value judicial evidence chain acquisition and storage method comprises the following steps:
associating the obtained case evidence material and evidence data thereof, and extracting keywords of the evidence material by a byte extraction technology;
determining the relation between each evidence material according to the key words, and building an evidence relation map; the evidence relation graph is provided with a plurality of evidence chains;
matching fact judgment bases of similar cases in a fact judgment database, and acquiring the weight of each evidence material in the fact judgment bases;
calculating the score of each data chain by adopting a relational attribute weighting algorithm, and sequencing the plurality of evidence chains according to the scores;
respectively packaging the evidence materials, the evidence data and the relationship among the evidence data in each evidence chain with the top rank into a single file, and naming the file according to the ordering condition;
encrypting the file by adopting an encryption key, and acquiring a hash value of the file by adopting a hash algorithm;
and storing the decryption secret key and the hash value into the judicial network system, and uploading the file to the cloud for the judicial network system to obtain.
Further, the witness material comprises: image material, text material, audio material;
the evidence data includes: time of occurrence, place of occurrence, subject event;
the association comprises: and converting the evidence data into a text form, and binding the evidence data with corresponding evidence materials to ensure that the evidence materials corresponding to the same evidence data are unique.
Further, the extracting the keywords of the evidence material includes:
traversing all evidence data in the evidence material, and extracting keywords through a byte extraction technology;
the keywords include: time node, location coordinates, subject name, event summary.
Further, the building of the evidence relationship graph comprises:
the evidence materials are used as map nodes, and the map nodes are linked with the map nodes through relationships;
the determining the relationship among the evidence materials according to the keywords comprises the following steps:
determining the precedence order relation of each evidence material according to the time node and the event summarization of each evidence material;
determining the area range relationship of each evidence material according to the position coordinates of each evidence material; meanwhile, an area range threshold value is set, and when the difference value of the location coordinates of the two proving materials is larger than the area range threshold value, the condition that no area range relation exists between the two proving materials is judged; when the difference value of the location coordinates of the two certification materials is smaller than or equal to the threshold value of the area range, judging that the two certification materials have the area range relation;
determining the main body relationship of each evidence material according to the main body name of each evidence material; when the subject names of the two proving materials are completely consistent, judging that the two proving materials have a strong subject relation; when the main body names of the two proving materials are partially the same, judging that the main body relation of the two proving materials is general; and when the subject names of the two proving materials are completely different, judging that the two proving materials have no subject relation.
Further, the building of the evidence relationship graph comprises the following steps:
sequentially putting the materials into map nodes according to the precedence order relationship of the materials;
when the materials are proved to have no regional scope relationship, no regional scope relationship link exists between corresponding map nodes; when the proving materials have the regional scope relationship, the corresponding map nodes have regional scope relationship links, and the regional scope values between the proving materials are used as relationship attribute values to be bound with the regional scope relationship links;
when the two prove material main body relations are strong, strong main body relation links exist between corresponding map nodes; when the two proof material main body relations are general, general main body relation links are arranged between corresponding map nodes, and the ratio of the number of main body names in the next map node, which is the same as the previous map node, to the total number of main body names in the previous map node is used as a relation attribute value to be bound with the main body relation links; when the two proving materials have no main body relationship, no main body relationship link exists between corresponding map nodes;
the chain of evidence is: and traversing the next-layer nodes from the graph nodes in the first sequence, automatically generating a plurality of evidence chains when the next-layer nodes have a plurality of nodes, and continuously traversing the next-layer nodes to obtain all the evidence chains.
Further, the calculating the score of each data chain by using a relational attribute weighting algorithm includes:
Figure 525422DEST_PATH_IMAGE001
wherein:
Figure 852367DEST_PATH_IMAGE002
the path score from the node E to the node F is obtained;
Figure 760280DEST_PATH_IMAGE003
the number of the relationship between the node E and the node F is shown;
Figure 239803DEST_PATH_IMAGE004
is the first node between node E and node FrA path score for the bar relationship;
Figure 411021DEST_PATH_IMAGE005
the weight of the proof material corresponding to the node E in the fact judgment basis;
Figure 225262DEST_PATH_IMAGE006
the weight of the proof material corresponding to the node F in the fact judgment basis;
* Is a multiplication sign.
Further, the second node between the node E and the node FrThe path score of a bar relationship is calculated by the following formula:
Figure 405708DEST_PATH_IMAGE007
wherein:
Figure 739737DEST_PATH_IMAGE008
is shown asrA relationship attribute value of the bar relationship;
Figure 347436DEST_PATH_IMAGE009
is as followsrWeight of relationship attributes of the bar relationships;
* Is a multiplication number;
when it comes torWhen the bar relation is a regional range relation, setting weights according to the value ranges;
when it comes torWhen the bar relation is a strong subject relation, the weight is 0.6; when it comes torWhen the bar relationship is a general body relationship, the weight is 0.4.
Further, the encrypting the file by using the encryption key includes:
automatically generating an encryption key according to a key generation algorithmKeyAnd decrypting the keyKey'
File pass encryption keykeyEncrypting to form private data and uploading to the cloud;
at the same time, decrypt the keyKey'Storing in a judicial network system;
the encryption process is as follows:
DocuA*key=CiphA
the decryption process is as follows:
CiphA* Key'=DocuA
wherein:
DocuA is file A;
keyis an encryption key;
CiphA is ciphertext A;
Key'is a decryption key;
* Is a multiplication sign.
A high-value judicial evidence chain acquisition storage device comprising: the system comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the processor executes the computer program to realize the steps of the high-value judicial evidence chain acquisition and storage method.
A computer readable storage medium storing a computer program which, when executed by a processor, performs the steps of a high value judicial evidence chain acquisition storage method as described above.
Compared with the prior art, the invention has the beneficial effects that:
the high-value judicial evidence chain acquisition and storage method, device and readable storage medium comprise: associating the obtained case evidence material and evidence data thereof, and extracting keywords of the evidence material by a byte extraction technology; determining the relation between the evidence materials according to the keywords, and building an evidence relation map; the evidence relation graph is provided with a plurality of evidence chains; matching fact judgment bases of similar cases in a fact judgment database, and acquiring the weight of each evidence material in the fact judgment bases; calculating the score of each data chain by adopting a relational attribute weighting algorithm, and sequencing a plurality of evidence chains according to the scores; respectively packaging the evidence materials, the evidence data and the relationship among the evidence data in each evidence chain with the top rank into a single file, and naming the file according to the ordering condition; encrypting the file by adopting an encryption key, and acquiring a hash value of the file by adopting a hash algorithm; storing the decryption key and the hash value into a judicial network system, and uploading the file to a cloud terminal for the judicial network system to obtain; the method comprises the steps of extracting and obtaining the relation between evidences through keywords, building an evidence relation map according to the relation between the evidences, automatically generating a plurality of evidence chains, calculating scores of the evidence chains by adopting a relational attribute weighting algorithm, determining high-value evidence chains, forming files according to the evidence chains, encrypting through an encryption algorithm, uploading to a cloud end, determining that the cloud end files cannot be tampered through hash values, ensuring the accuracy and uniqueness of the files, and providing convenience for judicial judging stages.
Drawings
FIG. 1 is a flow chart of a high value judicial evidence chain acquisition storage method;
FIG. 2 is a block diagram illustrating a fact determination based on a car accident;
FIG. 3 is an example of an evidence relationship map.
Detailed Description
It should be noted that the terms "comprises", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion, so that a method or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such method or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of another like element in a method or apparatus comprising the element.
The features and properties of the present invention are described in further detail below with reference to examples.
Example one
In recent years, computer algorithms are widely applied in various fields, and the analysis and mining of judicial big data by utilizing the computer algorithm technology have great significance in the construction of intelligent courts; the evidence chain is an important basis for judging whether the litigation request is reasonable, however, the evidence comes from multiple aspects, the evidence sources are unreliable, and some evidences are mutually contradictory; there is also a mutual evidential relationship between the evidences; at present, several evidence chains can be formed for the numerous evidences in the litigation process, but because the relationship connection between the partial evidences is not close and the partial evidences have little influence on the final judgment of the judicial case, the evidence chains simultaneously comprise: a low-value evidence chain with little significance and a high-value evidence chain with great significance; but the work of analytically determining evidence chains for judicial judgment mainly relies on manual judgment by judges; on one hand, the workload of judges is undoubtedly and greatly increased, and meanwhile, the auditing period of judicial cases is influenced to a certain extent, and on the other hand, as the judicial careers of different judges contact cases greatly differently, larger human factors exist in judgment of a high-value evidence chain.
Aiming at the problems, the embodiment provides a high-value judicial evidence chain obtaining and storing method, a high-value judicial evidence chain obtaining and storing device and a readable storage medium, the relationship between evidences is obtained through keyword extraction, an evidence relation graph is built according to the relationship between the evidences, so that a plurality of evidence chains are automatically generated, then the score of each evidence chain is calculated by adopting a relational attribute weighting algorithm, so that the high-value evidence chain is determined, a file is formed according to the evidence chains, the file is encrypted through an encryption algorithm and uploaded to a cloud, and meanwhile, the cloud file is determined not to be tampered through a hash value, so that the accuracy and the uniqueness of the file are ensured; thereby solving the above problems; it should be noted that the high-value evidence chain is: and in a plurality of evidence chains formed by a large amount of evidence, the closest evidence chain is finally adopted by the similar cases in the previous actual judicial judgment.
Referring to fig. 1-3, a high value judicial evidence chain acquisition and storage method.
Firstly, when the following steps are carried out, a judicial database should be established, wherein the judicial database comprises:
and marking relevant laws and regulations, electronic files, referee documents and classifications of legal elements, and combining participation of judicial experts to form a judicial knowledge base. In the judicial database, aiming at the same type of case, a large number of cases are contained, and the weight of the evidence material is determined through the influence of the evidence material in the evidence chain adopted in judicial judgment on the case trial result, so that the fact judgment basis of the type of case is formed; wherein, the legal elements refer to the rules, principles and concepts of the law; it should be noted that, the establishment of the basis for the fact determination can be completed by those skilled in the art without creative labor, and therefore, the details are not repeated.
The method specifically comprises the following steps:
correlating the obtained case evidence material and evidence data thereof, and extracting keywords of the evidence material by a byte extraction technology; preferably, the evidentiary material is legally meaningful material provided by a plaintiff, an defendant, a witness, etc. that can prove authenticity of an event; for example: someone has done something sometime and someplace; in the fact judgment basis based on the car accident given in fig. 2, the evidence materials include: picture video of car accident scene, vehicle damage report of car repair factory, etc.; the keywords include: the time, the place, the people, the event information and the like of the scene picture video of the car accident; the time, the place, the people, the event information and the like … … given by the vehicle damage assessment report; not all descriptions are made herein;
determining the relation between each evidence material according to the key words, and building an evidence relation map; the evidence relation map is provided with a plurality of evidence chains; namely, a plurality of evidence chains can be directly obtained by traversing the established evidence relation graph layer by layer;
matching fact judgment bases of similar cases in a fact judgment database, and acquiring the weight of each evidence material in the fact judgment bases; reading a judicial database, searching in a fact judgment database according to case types, such as 'car accident compensation' and the like, and searching and acquiring the weight of each evidence material in the case types of the same type;
calculating the score of each data chain by adopting a relational attribute weighting algorithm, and sequencing the plurality of evidence chains according to the scores; preferably, in this step, an evidence chain number threshold or score threshold can be set to eliminate evidence chains with very low values;
respectively packaging the evidence materials, the evidence data and the relationship among the evidence data in each evidence chain with the top rank into a single file, and naming the file according to the ordering condition; preferably, corresponding automation programs can be designed in the step, when all evidence chains are scored and sequenced, relationships among evidence materials, evidence data and the evidence data in the evidence chains are automatically captured and packaged in a file; simultaneously naming by adopting a sequencing condition and a case label, wherein the case label is the only identifier of the case after the case enters a judicial system; for example: 1, XXXXXX year XX month XX day traffic accident case;
encrypting the file by adopting an encryption key, and acquiring a hash value of the file by adopting a hash algorithm; the purpose of calculating the hash value is to calculate the hash value of the file again and compare the calculated hash value of the file when the file needs to be extracted from a judicial network system in the future so as to ensure that the file is not tampered;
storing the decryption key and the hash value into a judicial network system, and uploading the file to a cloud terminal for the judicial network system to obtain; specifically, when the file needs to be acquired, the file logs in a judicial network system, the file is downloaded from the cloud, meanwhile, the decryption secret key is used for decryption, the hash value is calculated, comparison is carried out, and if the hash values are completely the same, the file is the original file and is not tampered.
In this embodiment, specifically, the evidence material includes: image material, text material, audio material; the three material types almost comprise all forms of materials, and certainly, the material types which are not mentioned in the invention are also within the protection scope of the invention, and are not described again;
the evidence data includes: time of occurrence, place of occurrence, subject event; specifically, for an event, the time, the place, the people and the time can be generally used for carrying out all-around limitation, so that the evidence material corresponding to the evidence data is unique; the evidence data essentially refers to the corresponding text information recorded in the evidence obtaining stage, which includes: time of occurrence, place of occurrence, subject event;
the associating includes: the evidence data is converted into a text form (if the evidence data is in the text form, the conversion is not needed), and the evidence data is bound with the corresponding evidence material, so that the evidence material corresponding to the same evidence data is unique; preferably, the conversion process may use an artificial intelligence algorithm to perform automatic extraction, such as automatically extracting time, place, people, and events in the video; the conversion can be performed without inventive work by a person skilled in the art and will not be described in further detail here.
In this embodiment, specifically, the extracting the keywords of the evidence material includes:
traversing all evidence data in the evidence material, and extracting keywords through a byte extraction technology;
the keywords include: time node, place coordinate, subject name, event summary; for example: extracting the key words of the traffic accident video: the car accident occurrence time, the car accident occurrence place, both parties of the car accident and the car accident time.
In this embodiment, specifically, the building of the evidence relationship graph includes:
the evidence materials are used as map nodes, and the map nodes are linked with the map nodes through relationships; as shown in fig. 3, is an example of an evidence relationship graph;
the determining the relationship among the evidence materials according to the keywords comprises the following steps:
determining the precedence relationship of each evidence material according to the time node and the event summary of each evidence material;
determining the area range relationship of each evidence material according to the position coordinates of each evidence material; meanwhile, an area range threshold value is set, and when the difference value of the location coordinates of the two proving materials is larger than the area range threshold value, the condition that no area range relation exists between the two proving materials is judged; when the difference value of the location coordinates of the two proving materials is smaller than or equal to the area range threshold value, judging that the two proving materials have the area range relation;
determining the main body relationship of each evidence material according to the main body name of each evidence material; when the subject names of the two proving materials are completely consistent, judging that the two proving materials have a strong relationship; when the main body names of the two proving materials are partially the same, judging that the main body relation of the two proving materials is general; and when the subject names of the two proving materials are completely different, judging that the two proving materials have no subject relation.
In this embodiment, specifically, the building of the evidence relationship graph includes:
sequentially putting the materials into map nodes according to the precedence order relationship of the materials;
when the materials are proved to have no regional scope relationship, no regional scope relationship link exists between corresponding map nodes; when the proving materials have the regional scope relationship, the corresponding map nodes have regional scope relationship links, and the regional scope values between the proving materials are used as relationship attribute values to be bound with the regional scope relationship links;
when the two prove material main body relations are strong, strong main body relation links exist between corresponding map nodes; when the two proof materials have general main body relations, general main body relation links are arranged between corresponding map nodes, and the ratio of the number of main body names in the next map node, which is the same as that of the previous map node, to the total number of main body names in the previous map node is used as a relation attribute value to be bound with the main body relation links; when the two proving materials have no main body relationship, no main body relationship link exists between the corresponding map nodes;
the chain of evidence is: and traversing the next-layer nodes from the graph nodes in the first sequence, automatically generating a plurality of evidence chains when the next-layer nodes have a plurality of nodes, and continuously traversing the next-layer nodes to obtain all the evidence chains.
In the embodiment, as shown in fig. 3, a built evidence relation map example is given, from which three evidence chains can be obtained; a → B → E → G, A → C → F → G, A → D → F → G.
In this embodiment, specifically, the calculating the score of each data chain by using a relational attribute weighting algorithm includes:
Figure 380464DEST_PATH_IMAGE001
wherein:
Figure 99021DEST_PATH_IMAGE002
the path score from the node E to the node F is obtained;
Figure 553137DEST_PATH_IMAGE003
the number of the relationship between the node E and the node F is shown; based on the relationship number, in the present invention, the relationship number is substantially 1 or 2;
Figure 581004DEST_PATH_IMAGE004
is the first node between node E and node FrA path score for the bar relationship;
Figure 120570DEST_PATH_IMAGE005
the weight of the proof material corresponding to the node E in the fact judgment basis;
Figure 377239DEST_PATH_IMAGE006
the weight of the proof material corresponding to the node F in the fact judgment basis;
* Is a multiplication sign.
In this embodiment, specifically, the second node between the node E and the node FrThe path score of a bar relationship is calculated by the following formula:
Figure 685861DEST_PATH_IMAGE007
wherein:
Figure 884630DEST_PATH_IMAGE008
is shown asrA relationship attribute value of the bar relationship;
Figure 645912DEST_PATH_IMAGE009
is as followsrWeight of relationship attributes of the bar relationships;
* Is a multiplication number;
when it comes torWhen the bar relation is a regional range relation, setting weights according to the value ranges; preferably, for example: when the area range is within 10KM, the weight is 0.6; when the area range is within 10KM-30KM, the weight is 0.3; when the area range is within 30-50 KM, the weight is 0.1;
when it comes torWhen the bar relation is a strong subject relation, the weight is 0.6; when it comes torWhen the bar relationship is a general body relationship, the weight is 0.4.
In this embodiment, specifically, the encrypting the file by using the encryption key includes:
automatically generating an encryption key according to a key generation algorithmKeyAnd decrypting the keyKey'
File pass encryption keykeyEncrypting to form private data and uploading the private data to a cloud;
at the same time, the decryption keyKey'Storing in a judicial network system;
the encryption process is as follows:
DocuA*key=CiphA
the decryption process is as follows:
CiphA* Key'=DocuA
wherein:
DocuA is file A;
keyis an encryption key;
CiphA is ciphertext A;
Key'is a decryption key;
* Is a multiplication sign.
In this embodiment, the algorithm used for encryption may be symmetric encryption or asymmetric encryption, and based on symmetric encryption or asymmetric encryption, those skilled in the art should know how to implement the encryption, and details are not described here.
This embodiment has also proposed a high-value judicial evidence chain and has acquireed storage device, includes: a memory, a processor and a computer program stored in the memory and operable on the processor, the steps of one of the above-described high-value judicial evidence chain acquisition storage methods being implemented when the computer program is executed by the processor; preferably, the computer program is executed on a terminal device, such as a personal computer.
The present embodiment further provides a computer-readable storage medium, where a computer program is stored, and when the computer program is executed by a processor, the steps of the above-mentioned high-value judicial evidence chain acquisition and storage method are implemented; however, the apparatus of the present invention is not limited in this regard and, in the present document, a readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The readable medium may be a readable signal medium or a readable storage medium. A readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium include: an electrical connection having one or more wires, a portable disk, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
The computer readable storage medium may include a propagated data signal with readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A readable storage medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a readable storage medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device, or entirely on the remote computing device or server. In the case of a remote computing device, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., through the internet using an internet service provider).
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.

Claims (8)

1. A high-value judicial evidence chain acquisition and storage method is characterized by comprising the following steps:
correlating the obtained case evidence material and evidence data thereof, and extracting keywords of the evidence material by a byte extraction technology;
determining the relation between each evidence material according to the key words, and building an evidence relation map; the evidence relation graph is provided with a plurality of evidence chains;
matching fact judgment bases of similar cases in a fact judgment database, and acquiring the weight of each evidence material in the fact judgment bases;
calculating the score of each data chain by adopting a relational attribute weighting algorithm, and sequencing a plurality of evidence chains according to the scores;
respectively packaging the evidence materials, the evidence data and the relationship among the evidence data in each evidence chain with the top rank into a single file, and naming the file according to the ordering condition;
encrypting the file by adopting an encryption key, and acquiring a hash value of the file by adopting a hash algorithm;
storing the decryption key and the hash value into a judicial network system, and uploading the file to a cloud terminal for the judicial network system to obtain;
the set up of the evidence relation map comprises the following steps:
the evidence materials are used as map nodes, and the map nodes are linked with the map nodes through relationships;
the calculating of the score of each data chain by adopting a relational attribute weighting algorithm comprises the following steps:
Figure 916512DEST_PATH_IMAGE001
wherein:
Figure 670841DEST_PATH_IMAGE002
the path score from the node E to the node F is obtained;
Figure 407853DEST_PATH_IMAGE003
the number of the relationship between the node E and the node F is shown;
Figure 993555DEST_PATH_IMAGE004
is the first node between node E and node FrA path score for the bar relationship;
Figure 423399DEST_PATH_IMAGE005
is corresponding to node EThe weight of the proof material in the fact decision basis;
Figure 665025DEST_PATH_IMAGE006
the weight of the proof material corresponding to the node F in the fact judgment basis;
* Is a multiplication number;
between the node E and the node FrThe path score of a bar relationship is calculated by the following formula:
Figure 940148DEST_PATH_IMAGE007
wherein:
Figure 895204DEST_PATH_IMAGE008
is shown asrA relationship attribute value of the bar relationship;
Figure 230370DEST_PATH_IMAGE009
is as followsrWeight of relationship attributes of the bar relationships;
when it comes torWhen the bar relation is a regional range relation, setting weights according to the value ranges;
when it comes torWhen the bar relation is a strong subject relation, the weight is 0.6; when it comes torWhen the bar relationship is a general body relationship, the weight is 0.4.
2. The method for acquiring and storing the high-value judicial evidence chain according to claim 1, wherein the evidence materials comprise: image material, text material, audio material;
the evidence data includes: time of occurrence, place of occurrence, subject event;
the associating includes: and converting the evidence data into a text form, and binding the evidence data with corresponding evidence materials to ensure that the evidence materials corresponding to the same evidence data are unique.
3. The method for acquiring and storing the high-value judicial evidence chain according to claim 2, wherein the extracting the keywords of the evidence material comprises:
traversing all evidence data in the evidence material, and extracting key words by a byte extraction technology;
the keywords include: time node, location coordinates, subject name, event summary.
4. The high-value judicial evidence chain acquisition and storage method according to claim 3,
the determining the relationship among the evidence materials according to the keywords comprises the following steps:
determining the precedence relationship of each evidence material according to the time node and the event summary of each evidence material;
determining the area range relationship of each evidence material according to the position coordinates of each evidence material; meanwhile, an area range threshold value is set, and when the difference value of the location coordinates of the two proving materials is larger than the area range threshold value, the condition that no area range relation exists between the two proving materials is judged; when the difference value of the location coordinates of the two proving materials is smaller than or equal to the area range threshold value, judging that the two proving materials have the area range relation;
determining the main body relationship of each evidence material according to the main body name of each evidence material; when the subject names of the two proving materials are completely consistent, judging that the two proving materials have a strong relationship; when the main body names of the two certification materials are partially the same, judging that the main body relation of the two certification materials is general; and when the subject names of the two proving materials are completely different, judging that the two proving materials have no subject relation.
5. The method for acquiring and storing the high-value judicial evidence chain according to claim 4, wherein the establishing of the evidence relationship graph comprises the following steps:
sequentially putting the materials into map nodes according to the precedence order relationship of the materials;
when the materials are proved to have no regional scope relationship, no regional scope relationship link exists between corresponding map nodes; when the proving materials have the regional scope relationship, the corresponding map nodes have regional scope relationship links, and the regional scope values between the proving materials are used as relationship attribute values to be bound with the regional scope relationship links;
when the two prove material main body relations are strong, strong main body relation links exist between corresponding map nodes; when the two proof materials have general main body relations, general main body relation links are arranged between corresponding map nodes, and the ratio of the number of main body names in the next map node, which is the same as that of the previous map node, to the total number of main body names in the previous map node is used as a relation attribute value to be bound with the main body relation links; when the two proving materials have no main body relationship, no main body relationship link exists between corresponding map nodes;
the chain of evidence is: and traversing the next-layer nodes from the graph nodes which are sequenced first, automatically generating a plurality of evidence chains when the next-layer nodes have a plurality of nodes, and continuously traversing the next-layer nodes to obtain all the evidence chains.
6. The method for acquiring and storing the high-value judicial evidence chain according to claim 1, wherein the encrypting the file by using the encryption key comprises:
automatically generating an encryption key according to a key generation algorithmKeyAnd decrypting the keyKey'
File pass encryption keykeyEncrypting to form private data and uploading the private data to a cloud;
at the same time, decrypt the keyKey'Storing in a judicial network system;
the encryption process is as follows:
DocuA*key=CiphA
the decryption process is as follows:
CiphA* Key'=DocuA
wherein:
DocuA is file A;
keyfor encryptionA secret key;
CiphA is ciphertext A;
Key'is a decryption key;
* Are multiplier signs.
7. A high value judicial evidence chain acquisition storage device comprising: memory, processor and computer program stored in the memory and executable on the processor, characterized in that the processor when executing the computer program implements the steps of a high value judicial evidence chain acquisition storage method according to any of claims 1-6.
8. A computer-readable storage medium, characterized in that it stores a computer program which, when executed by a processor, implements the steps of a high-value judicial evidence chain acquisition storage method according to any one of claims 1 to 6.
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