CN113553347B - Block chain-based data processing method, device, equipment and storage medium - Google Patents
Block chain-based data processing method, device, equipment and storage medium Download PDFInfo
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Abstract
The embodiment of the invention discloses a data processing method, a device, equipment and a storage medium based on a blockchain, wherein the method comprises the following steps: if a first data request sent by a management system of first case information is received, determining a first target element in the first case information in a first block of a block chain based on the first data request; and inquiring second case information corresponding to the first target element in a second block of the block chain, and feeding back the second case information to a management system of the first case information. The technical scheme provided by the embodiment of the invention can enable the management system of the first case information to check the second case information, can realize the sharing of the case information and improves the efficiency of case information inquiry.
Description
Technical Field
The embodiment of the invention relates to a blockchain technology, in particular to a blockchain-based data processing method, a device, equipment and a storage medium.
Background
The block chain technology is an innovative application mode of computer technologies such as distributed data storage, point-to-point transmission, a consensus mechanism, an encryption algorithm and the like in the Internet age, and is a network technology with the characteristics of decentralization, non-falsification and the like.
At present, cases such as phishing occur, related departments write the cases into the blockchain, but when viewing the case information, the related departments only can query corresponding cases, and the query efficiency is low.
Disclosure of Invention
The embodiment of the invention provides a data processing method, a device, equipment and a storage medium based on a block chain, which can enable a management system of first case information to check second case information, can realize sharing of case information and improve case information query efficiency.
In a first aspect, an embodiment of the present invention provides a data processing method based on a blockchain, including:
if a first data request sent by a management system of first case information is received, determining a first target element in the first case information in a first block of a block chain based on the first data request;
and inquiring second case information corresponding to the first target element in a second block of the block chain, and feeding back the second case information to a management system of the first case information.
In a second aspect, an embodiment of the present invention provides a blockchain-based data processing apparatus, including:
the first determining module is used for determining a first target element in the first case information in a first block of the block chain based on a first data request if the first data request sent by the management system of the first case information is received;
the first feedback module is used for inquiring second case information corresponding to the first target element in a second block of the block chain and feeding the second case information back to the management system of the first case information.
In a third aspect, an embodiment of the present invention provides an electronic device, including:
one or more processors;
storage means for storing one or more programs,
the one or more programs, when executed by the one or more processors, cause the one or more processors to implement the methods provided by the embodiments of the present invention.
In a fourth aspect, an embodiment of the present invention provides a computer readable storage medium having stored thereon a computer program, which when executed by a processor, implements a method provided by an embodiment of the present invention.
According to the technical scheme provided by the embodiment of the invention, if the first data request sent by the management system of the first case information is received, the first target element in the first case information is determined in the first block of the block chain based on the request, the second case information corresponding to the first target element is queried in the second block of the block chain and fed back to the management system, so that the management system of the first case information can check the second case information, the sharing of the case information can be realized, and the case information query efficiency is improved.
Drawings
FIG. 1 is a flow chart of a data processing method based on a blockchain according to an embodiment of the present invention;
FIG. 2 is a flow chart of a data processing method based on a blockchain according to an embodiment of the present invention;
FIG. 3a is a flowchart of a data processing method based on a blockchain in accordance with an embodiment of the present invention;
FIG. 3b is a flowchart illustrating an implementation of a blockchain-based data processing method provided by an embodiment of the present invention;
FIG. 4a is a block diagram of a block chain based data processing apparatus according to an embodiment of the present invention;
FIG. 4b is a block chain based data processing system architecture diagram provided in accordance with an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
Fig. 1 is a flowchart of a data processing method based on a blockchain, where the method may be performed by a data processing device based on a blockchain, where the device may be implemented by software and/or hardware, and where the device may be configured in an electronic device such as a server, and where the method may be applied in a scenario of processing fraud case information. As shown in fig. 1, the technical solution provided by the embodiment of the present invention includes:
s110: if a first data request sent by a management system of the first case information is received, determining a first target element in the first case information in a first block of a block chain based on the first data request.
In an embodiment of the present invention, before S110, it may include: writing the first case information into a first block, and writing the second case information into a second block; matching the first case information in the first block with the second case information in the second block to obtain the same factors; determining the related elements related to the same factors, and obtaining target elements with the expanded lines of the first case information and the second case information based on the same factors and the related elements; and associating the first case information in the first block with the second case information in the second block based on the target element.
Specifically, the first case information can be uplink through a management system of the first case information in the case processing platform, namely the first case information is written into a first block in a block chain, the second case information is uplink through a management system of the second case information in the case processing platform, namely the second case information is written into the second block, feature matching can be performed on the first case information in the first block and the second case information in the second block through a central line expansion computing node, so that the same factors are determined, the association factors associated with the same factors are determined in the first block, the association factors associated with the same factors are determined in the second block, the same factors and the association factors in the first block and the second block are used as target factors of line expansion of the first case information and the second case information, and the first case information in the first block and the second case information in the second block are associated based on the target factors. For example, the same factor in the first case information and the second case information is an identification card number, the first case information is associated with the identification card number and is contact information, the second case information is associated with the identification card number and is address information, the identification card number, the contact information and the address information can be target elements of the first case information and the second case information for expanding lines, and the first case information and the second case information can be associated through intelligent contracts based on the address information, the identification card number and the contact information.
In the embodiment of the invention, after the first case information and the second case information are associated, if the first case information is checked through the management system of the first case information, a first data request can be sent to the central line expansion computing node on the blockchain, and the central line expansion computing node determines the first target element in the first case information based on the request, so that the associated second case information can be queried. The target elements may be sequentially screened from the case information based on the request, or may be matched based on a database. For example, the central expanded line computing node may determine contact information in the first block according to the first case information as required, so that the associated second case information may be queried based on the information.
S120: and inquiring second case information corresponding to the first target element in a second block of the block chain, and feeding back the second case information to a management system of the first case information.
In the embodiment of the invention, the first case information may be first phishing case information, and the second case information may be second phishing case information.
In the embodiment of the invention, one target element associated with the first target element can be queried in a second block in the blockchain, and the second case information corresponding to the target element can be determined. The second case information corresponding to the target element may be contracted in advance.
According to the technical scheme provided by the embodiment of the invention, if the first data request sent by the management system of the first case information is received, the first target element in the first case information is determined in the first block of the block chain based on the request, the second case information corresponding to the first target element is inquired in the second block of the block chain and fed back to the management system, so that the management system of the first case information can check the second case information, the sharing of the case information can be realized, and the efficiency of case information inquiry is improved.
Fig. 2 is a flowchart of a data processing method based on a blockchain according to an embodiment of the present invention, where in this embodiment, optionally, the method may further include:
if a second data request sent by a management system of second case information is received, determining a second target element in the second case information in the second block based on the second data request;
inquiring first case information corresponding to the second target element in the first block, and feeding back the information of the first case to a management system of second case information.
As shown in fig. 2, the technical solution provided by the embodiment of the present invention includes:
s210: if a first data request sent by a management system of the first case information is received, determining a first target element in the first case information in a first block of the block chain based on the first data request.
S220: and inquiring second case information corresponding to the first target element in a second block of the block chain, and feeding back the second case information to a management system of the first case information.
S230: and if a second data request sent by the management system of the second case information is received, determining a second target element in the second case information in the second block based on the second data request.
In the embodiment of the invention, after the first case information and the second case information are associated, if the first case information is checked through the management system of the second case information, a second data request can be sent to the central line expansion computing node on the blockchain, and the central line expansion computing node determines the second target element in the second case information based on the request, so that the associated first case information can be queried.
S240: inquiring first case information corresponding to the second target element in the first block, and feeding back the information of the first case to a management system of second case information.
In the embodiment of the invention, one target element associated with the second target element can be queried in a first block in the blockchain, and the first case information corresponding to the target element is determined. The first case information corresponding to the target element may be contracted in advance. The first case information management system and the second case information management system are both configured on a case processing platform.
Therefore, if a second data request sent by the management system of the second case information is received, a second target element in the second case information in a second block of the block chain is determined based on the request, and the first case information corresponding to the second target element is queried in a first block in the block chain and fed back to the management system, so that the management system of the second case information can check the first case information, the sharing of the case information can be realized, and the case information query efficiency is improved.
Fig. 3a is a flowchart of a data processing method based on a blockchain according to an embodiment of the present invention, where in this embodiment, optionally, the method may further include:
writing the first case information into the first block, and writing the second case information into the second block;
matching the first case information in the first block with the second case information in the second block to obtain the same factors;
determining the related elements related to the same factors, and obtaining target elements with the expanded lines of the first case information and the second case information based on the same factors and the related elements;
and associating the first case information in the first block with the second case information in the second block based on the target element.
Optionally, the method may further include:
if a third data request of the data requesting party is received, inquiring a corresponding third target element in the first block based on the third data request;
inquiring second case information corresponding to the third target element in the second block;
and feeding back the third target element and/or the second case information to the data requester.
Optionally, the method may further include:
if a fourth data request of a data requester is received, inquiring a corresponding fourth target element in the second block based on the fourth data request;
querying first case information corresponding to the fourth target element in the first block;
and feeding back the fourth target element or the first case information to the data requester.
As shown in fig. 3a, the technical solution provided by the embodiment of the present invention includes:
s310: writing the first case information into the first block, and writing the second case information into the second block.
S320: and matching the first case information in the first block with the second case information in the second block to obtain the same factors.
S330: and determining the associated element associated with the same factor, and obtaining the target element with the expanded line of the first case information and the second case information based on the same factor and the associated element.
S340: and associating the first case information in the first block with the second case information in the second block based on the target element.
The description of S310 to S340 may refer to the description of the above embodiments.
S350: if a first data request sent by a management system of the first case information is received, determining a first target element in the first case information in a first block of the block chain based on the first data request.
S360: and inquiring second case information corresponding to the first target element in a second block of the block chain, and feeding back the second case information to a management system of the first case information.
S370: and if a second data request sent by the management system of the second case information is received, determining a second target element in the second case information in the second block based on the second data request.
S380: inquiring first case information corresponding to the second target element in the first block, and feeding back the information of the first case to a management system of second case information.
The description of S350 to S380 may refer to the description of the above embodiments.
S390: and if a third data request of the data requesting party is received, inquiring a corresponding third target element in the first block based on the third data request.
In the embodiment of the invention, if the data requester needs to query case information on the blockchain, the data requester may send a third data request to the central line expansion computing node, where the data requester may be a public security part end, and after the central line expansion computing node performs identity authentication on the data requester, the central line expansion computing node may query a corresponding third target element based on the first block on the blockchain, where the data request carries keyword information to be queried.
S391: and inquiring second case information corresponding to the third target element in the second block.
In the embodiment of the invention, the second case information associated with the third target element can be queried in the second block according to the intelligent approach, so that more case information can be queried based on less keyword information.
S392: and feeding back the third target element and/or the second case information to the data requester.
In the embodiment of the invention, the third target element and/or the second case information can be fed back to the data requesting party according to the requirement or according to the rule of the intelligent contract, so that the data requesting party can view the case information.
S393: and if a fourth data request of the data requesting party is received, inquiring a corresponding fourth target element in the second block based on the fourth data request.
In the embodiment of the invention, if the data requester needs to query case information on the blockchain, the data requester can send a third data request to the central line expansion computing node, and after the central line expansion computing node performs identity authentication on the data requester, the corresponding fourth target element can be queried based on the second block on the blockchain, wherein the data request carries keyword information to be queried.
S394: and inquiring first case information corresponding to the fourth target element in the first block.
In the embodiment of the invention, the first case information related to the fourth target element can be queried in the first block according to the intelligent approach, so that more case information can be queried based on less keyword information.
S395: and feeding back the fourth target element or the first case information to the data requester.
In the embodiment of the invention, the fourth target element and/or the first case information can be fed back to the data requesting party according to the requirement or according to the rule of the intelligent contract, so that the data requesting party can view the case information.
Therefore, the case information can be queried according to the requirement by querying the corresponding third target element in the first block based on the data request of the data requester and querying the second case information corresponding to the third target element in the second block or querying the corresponding fourth target element in the second block and querying the first case information corresponding to the fourth target element in the first block.
In order to more clearly describe the technical solution of the embodiment of the present invention, in this embodiment, the first case information may be a phishing case information, and the second case information may be B phishing case information, as shown in fig. 3B, the implementation flow is as follows:
(1) The A phishing case information forms a block uplink.
(2) The B phishing case information forms a block uplink (the B phishing case information and the A phishing case information exist in a line expanding element)
(3) And the central line expansion calculation node performs feature matching on the encrypted A phishing case information and the encrypted B phishing case information, and performs associated line expansion on the associated elements to obtain the line expansion content of the B phishing case information and the A phishing case information.
(4) And associating the B phishing case information with the A phishing case information according to the intelligent contract.
(5) The management system of the A phishing case information can view the B phishing case information.
(6) The management system of the B phishing case information can view the A phishing case information.
(7) If the C data request party which accords with the contract exists, the corresponding key elements can be searched by the central line extension computing node for block searching according to the requirement after the identity authentication is carried out.
In the related art, phishing cases frequently occur and have an ascending trend year by year, when related departments process phishing case standing information, theme fields and characteristic rules are gradually enriched, but because related departments in each place do not unify phishing understanding and judging standards, unified structured case data are difficult to form for each case, and meanwhile, because processing departments in each place are different in conditions, processing effects on the cases are different, and case information is difficult to synchronize. The related art has the following problems: the case information format specifications are not uniform, and it is difficult to form uniform metadata specifications; the phishing cases are various in types, the forms are continuously changed, and the data specification changes with high cost; different treatment departments can process cases with different time, so that the judgment standards of important clues and non-important clues are not uniform, and unified treatment opinion standards are difficult to be appointed in each place; the progress information of each case is unsmooth, so that the waste of resources in different places is caused, and repeated evidence adjustment is caused; the case processing time is difficult, and related processing departments nationwide are difficult to process the same case at the same time, and the case processing time is in a weak position for striking. The embodiment of the invention can solve the technical problems by writing the case information into the blockchain. According to the technical scheme provided by the embodiment of the invention, the case information is written into the block chain, the case storage mode is more convenient, the first case information and the second case information are written into different blocks, the first case information and the second case information are associated, the case information is convenient and quick to expand lines, the structured data retrieval speed is high, unified data format specifications are not required to be formed, the waste of calculation and storage resources is avoided, the redundant construction and loss are reduced, the case information can be updated in time, the security of quality inspection circulation of each related department is high around the same case, the line expansion capability is strong, and the synchronization speed is high. The data requesting party related to the case information can view and use the case information, and other data requesting parties have no right to access the case information, so that the attribution right of the case is protected. The technical scheme provided by the embodiment of the invention links the case information, and can solve the problems of difficult recording, difficult arrangement and difficult synchronization of the case handling process caused by cross-region, cross-account number and long period of the phishing case, incomplete mastering of the case information by related departments in each region, asymmetric case information and asynchronous case handling progress. The method has an important effect on forming a complete evidence chain, and particularly has great value on the case forming of case information and the sharing of case forming information. The phishing cases are frequently combined in series, so that incomplete case information is easily caused, or a large number of new clues are generated along with the detection process of the cases, but the new clues may be expired at the moment. The invention can effectively fix the evidence of the case information, thereby playing a great role in drawing the portrait.
FIG. 4a is a block diagram of a data processing apparatus based on a blockchain according to an embodiment of the present invention, as shown in FIG. 4a, where the apparatus includes: a first determination module 410 and a first feedback module 420.
The first determining module 410 is configured to determine, if a first data request sent by the management system of the first case information is received, a first target element in the first case information in a first block of the blockchain based on the first data request;
the first feedback module 420 is configured to query a second block of the blockchain for second case information corresponding to the first target element, and feed back the second case information to the management system of the first case information.
Optionally, the apparatus may further include: the second determining module is used for determining a second target element in the second case information in the second block based on the second data request if the second data request sent by the management system of the second case information is received;
and the second feedback module is used for inquiring the first case information corresponding to the second target element in the first block and feeding back the information of the first case to a management system of the second case information.
Optionally, the apparatus further includes an association module configured to:
writing the first case information into the first block, and writing the second case information into the second block;
matching the first case information in the first block with the second case information in the second block to obtain the same factors;
determining the related elements related to the same factors, and obtaining target elements with the expanded lines of the first case information and the second case information based on the same factors and the related elements;
and associating the first case information in the first block with the second case information in the second block based on the target element.
Optionally, the apparatus further includes a first query/feedback module configured to:
if a third data request of the data requesting party is received, inquiring a corresponding third target element in the first block based on the third data request;
inquiring second case information corresponding to the third target element in the second block;
and feeding back the third target element and/or the second case information to the data requester.
Optionally, the apparatus further includes a second query/feedback module configured to:
if a fourth data request of a data requester is received, inquiring a corresponding fourth target element in the second block based on the fourth data request;
querying first case information corresponding to the fourth target element in the first block;
and feeding back the fourth target element or the first case information to the data requester.
Optionally, the first case information comprises first phishing case information, and the second case information comprises second phishing case information.
Optionally, the management system of the first case information and the management system of the second case information are both configured on a case processing platform.
The device can execute the method provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of executing the method.
FIG. 4b is a block chain based data processing system architecture according to an embodiment of the present invention, as shown in FIG. 4b, in which the case processing platform uploads various cases from different case sources to the block chain and processes the cases through a spread spectrum computing engine in a central spread spectrum computing node.
Fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, as shown in fig. 5, where the device includes:
one or more processors 510, one processor 510 being illustrated in fig. 5;
a memory 520;
the apparatus may further include: an input device 530 and an output device 540.
The processor 510, memory 520, input means 530 and output means 540 in the apparatus may be connected by a bus or otherwise, in fig. 5 by way of example.
The memory 520 serves as a non-transitory computer readable storage medium, and may be used to store software programs, computer executable programs, and modules, such as program instructions/modules (e.g., the first determining module 410 and the first feedback module 420 shown in fig. 4 a) corresponding to a blockchain-based data processing method in an embodiment of the present invention. The processor 510 executes various functional applications and data processing of the computer device by running software programs, instructions and modules stored in the memory 520, i.e., implements a blockchain-based data processing method of the above method embodiments, i.e.:
if a first data request sent by a management system of first case information is received, determining a first target element in the first case information in a first block of a block chain based on the first data request;
and inquiring second case information corresponding to the first target element in a second block of the block chain, and feeding back the second case information to a management system of the first case information.
Memory 520 may include a storage program area that may store an operating system, at least one application program required for functionality, and a storage data area; the storage data area may store data created according to the use of the computer device, etc. In addition, memory 520 may include high-speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, memory 520 may optionally include memory located remotely from processor 510, which may be connected to the terminal device via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input means 530 may be used to receive entered numeric or character information and to generate key signal inputs related to user settings and function control of the computer device. The output 540 may include a display device such as a display screen.
The embodiment of the invention provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor, implements a blockchain-based data processing method as provided by the embodiment of the invention:
if a first data request sent by a management system of first case information is received, determining a first target element in the first case information in a first block of a block chain based on the first data request;
and inquiring second case information corresponding to the first target element in a second block of the block chain, and feeding back the second case information to a management system of the first case information.
Any combination of one or more computer readable media may be employed. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the computer-readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, 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. In this document, a computer 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 computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer 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 computer readable 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.
Computer program code for carrying out operations 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, smalltalk, C ++ 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 computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider).
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (8)
1. A blockchain-based data processing method, comprising:
if a first data request sent by a management system of first case information is received, determining a first target element in the first case information in a first block of a block chain based on the first data request;
inquiring second case information corresponding to the first target element in a second block of the block chain, and feeding back the second case information to a management system of the first case information;
if a second data request sent by a management system of second case information is received, determining a second target element in the second case information in the second block based on the second data request;
inquiring first case information corresponding to the second target element in the first block, and feeding back the information of the first case to a management system of second case information;
writing the first case information into the first block, and writing the second case information into the second block;
matching the first case information in the first block with the second case information in the second block to obtain the same factors;
determining the related elements related to the same factors, and obtaining target elements with the expanded lines of the first case information and the second case information based on the same factors and the related elements;
and associating the first case information in the first block with the second case information in the second block based on the target element.
2. The method as recited in claim 1, further comprising:
if a third data request of the data requesting party is received, inquiring a corresponding third target element in the first block based on the third data request;
inquiring second case information corresponding to the third target element in the second block;
and feeding back the third target element and/or the second case information to the data requester.
3. The method as recited in claim 1, further comprising:
if a fourth data request of a data requester is received, inquiring a corresponding fourth target element in the second block based on the fourth data request;
querying first case information corresponding to the fourth target element in the first block;
and feeding back the fourth target element and/or the first case information to the data requester.
4. The method of claim 1, wherein the first case information comprises first phishing case information and the second case information comprises second phishing case information.
5. The method of claim 1, wherein the management system of the first case information and the management system of the second case information are both configured on a case processing platform.
6. A blockchain-based data processing device, comprising:
the first determining module is used for determining a first target element in the first case information in a first block of the block chain based on a first data request if the first data request sent by the management system of the first case information is received;
the first feedback module is used for inquiring second case information corresponding to the first target element in a second block of the block chain and feeding the second case information back to the management system of the first case information;
the second determining module is used for determining a second target element in the second case information in the second block based on the second data request if the second data request sent by the management system of the second case information is received;
the second feedback module is used for inquiring first case information corresponding to the second target element in the first block and feeding back the information of the first case to a management system of second case information;
the association module is used for writing the first case information into the first block and writing the second case information into the second block;
matching the first case information in the first block with the second case information in the second block to obtain the same factors;
determining the related elements related to the same factors, and obtaining target elements with the expanded lines of the first case information and the second case information based on the same factors and the related elements;
and associating the first case information in the first block with the second case information in the second block based on the target element.
7. An electronic device, comprising:
one or more processors;
storage means for storing one or more programs,
the one or more programs, when executed by the one or more processors, cause the one or more processors to implement the method of any of claims 1-5.
8. A computer readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements the method according to any of claims 1-5.
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