CN110503520A - Information recommendation method, device, electronic equipment and computer-readable medium - Google Patents
Information recommendation method, device, electronic equipment and computer-readable medium Download PDFInfo
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- CN110503520A CN110503520A CN201910777943.8A CN201910777943A CN110503520A CN 110503520 A CN110503520 A CN 110503520A CN 201910777943 A CN201910777943 A CN 201910777943A CN 110503520 A CN110503520 A CN 110503520A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/04—Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
- G06Q30/0601—Electronic shopping [e-shopping]
- G06Q30/0605—Supply or demand aggregation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
- G06Q30/0601—Electronic shopping [e-shopping]
- G06Q30/0623—Item investigation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
- G06Q30/0601—Electronic shopping [e-shopping]
- G06Q30/0631—Item recommendations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
- G06Q30/0601—Electronic shopping [e-shopping]
- G06Q30/0639—Item locations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/22—Social work
Abstract
This disclosure relates to a kind of information recommendation method based on block chain, device, electronic equipment and computer-readable medium.This method comprises: obtaining the personal information and demand information of user by block chain network；Obtain merchandise news to be selected；Multiple groups, which are established, by the personal information, the demand information closes majorized function；The multiple groups, which are solved, based on integer programming method closes majorized function to obtain optimal solution；And by the optimal solution by determining commodity to be recommended in the merchandise news and recommending the user.This disclosure relates to the information recommendation method based on block chain, device, electronic equipment and computer-readable medium, be capable of nest egg community user determine optimize endowment environment and endowment auxiliary facility, improve endowment community user experience.
Description
Technical field
This disclosure relates to computer information processing field, in particular to a kind of information recommendation side based on block chain
Method, device, electronic equipment and computer-readable medium.
Background technique
Increase with the improvement of living standards with the requirement to endowment environment, various endowment communities are increasing.People at present
To endowment environment requirement be not limited only to live and medical services, to endowment community requirement be multi-functional
, live, medical treatment, lie fallow, amusement can not equally be lacked.A large amount of multi-functional endowment community wine is also established in various regions now
Shop, community have different house types, adequate and systematic service and different function product.
There is the reservation scheme in more mature business hotel in the prior art, guests can by internet,
The various ways such as the smart phones client such as phone, mobile phone obtain hotel reservation service, by hotel reservation service-seeking, subscribe
Satisfied hotel's type；Place business block, brand, star, price, address, house type, bed-type, is matched in room at Adjacent Buildings
It sets, hotel's public utility, parking lot, broadband, breakfast, opening time, recently all kinds of hotel's phases such as finishing time and guests' evaluation
It closes information and is subscribed.
But endowment community and business hotel have be very different, firstly, not all city have it is different
Endowment community is available；Moreover, different endowment equipment hardware, software outfit on there is also differences；Further
, though in existing endowment community, adequate and systematic service, medical services, house type setting on also have many differences, user is basic
Suitable endowment community can not be conveniently chosen by personal investigation.
Therefore, it is necessary to a kind of new information recommendation method based on block chain, device, electronic equipment and computer-readable Jie
Matter.
Above- mentioned information are only used for reinforcing the understanding to the background of the disclosure, therefore it disclosed in the background technology part
It may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
In view of this, the disclosure provides a kind of information recommendation method based on block chain, device, electronic equipment and computer
Readable medium, the user for capableing of nest egg community determine the endowment environment optimized and endowment auxiliary facility, improve endowment community
User experience.
Other characteristics and advantages of the disclosure will be apparent from by the following detailed description, or partially by the disclosure
Practice and acquistion.
According to the one side of the disclosure, a kind of information recommendation method based on block chain is proposed, this method comprises: passing through area
The personal information and demand information of block chain network acquisition user；Obtain merchandise news to be selected；Pass through the personal information, institute
It states demand information and establishes multiple groups conjunction majorized function；It is optimal to obtain that the multiple groups conjunction majorized function is solved based on integer programming method
Solution；And by the optimal solution by determining commodity to be recommended in the merchandise news and recommending the user.
In a kind of exemplary embodiment of the disclosure, the information recommendation method based on block chain further include: obtain in real time
The personal information and demand information of user；And the personal information and the demand information are stored to block chain network；Institute
Stating personal information includes at least one of medical information, interest information, preference information；The demand information includes the mesh lived
At least one of cursor position information, target price section.
In a kind of exemplary embodiment of the disclosure, multiple groups are established by the personal information, the demand information and are closed
Majorized function includes: to establish multiple groups by the personal information to close majorized function formula；Using the demand information as described more
The constraint condition of Combinatorial Optimization function formula；And majorized function formula is closed by the multiple groups and establishes institute with the constraint condition
It states multiple groups and closes majorized function.
In a kind of exemplary embodiment of the disclosure, multiple groups close majorized function formula and include:
Wherein, Z is optimization target values, anFor variation coefficient, xnFor the demand item in demand information, N is demand item
Quantity, n ∈ [1, N]；
Wherein, optimal solution corresponds to the specific value of each demand item when optimization target values maximum.
In a kind of exemplary embodiment of the disclosure, based on integer programming method solve the multiple groups close majorized function with
Obtaining optimal solution includes: to solve the multiple groups to close majorized function, to obtain the first solution of each demand item；In each demand item
When first solution is integer form, it regard first solution as the optimal solution.
In a kind of exemplary embodiment of the disclosure, wherein optimization aim includes: user experience value.
It is to be recommended by determination in the merchandise news by the optimal solution in a kind of exemplary embodiment of the disclosure
Commodity and recommend the user include: in block chain network by the merchandise news carry out quantification treatment；By quantification treatment
Merchandise news is matched with the optimal solution later；Determine commodity to be recommended corresponding with optimal solution.
It is to be recommended by determination in the merchandise news by the optimal solution in a kind of exemplary embodiment of the disclosure
Commodity and to recommend the user include: by the geographical location information in the merchandise news, house type information, medical care information, valence
Lattice information carries out quantification treatment；Pass through the geographical location information after quantification treatment, house type information, medical care information, pricing information
It is matched with the optimal solution；Determine the geographical location information of community of supporting parents corresponding with optimal solution, house type information, medical care information,
Pricing information；And the geographical location information by endowment community corresponding with optimal solution, house type information, medical care information, price
Information determines commodity to be recommended and recommends the user.
According to the one side of the disclosure, propose that a kind of information recommending apparatus based on block chain, the device include: user's mould
Block, for obtaining the personal information and demand information of user by block chain network；Merchandise module, for obtaining quotient to be selected
Product information；Majorized function module closes majorized function for establishing multiple groups according to the personal information, the demand information；It solves
Module closes majorized function for solving the multiple groups based on integer programming method to obtain optimal solution；And recommending module, it is used for
By the optimal solution by determining commodity to be recommended in the merchandise news and recommending the user.
In a kind of exemplary embodiment of the disclosure, the information recommending apparatus based on block chain further include: the first block
Module, for obtaining the personal information and demand information of user in real time；And the personal information and the demand information are deposited
It stores up to the first block chain network；Wherein, the personal information includes medical information, and at least one in interest information, preference information
Kind；Wherein, the demand information includes at least one of target position information, target price section；And the second block mould
Block, for obtaining merchandise news in real time；And the merchandise news is stored to the second block chain network；Wherein, the commodity
Information includes at least one of geographical location information, house type information, medical care information, pricing information.
According to the one side of the disclosure, a kind of electronic equipment is proposed, which includes: one or more processors；
Storage device, for storing one or more programs；When one or more programs are executed by one or more processors, so that one
A or multiple processors realize the method as described in above-described embodiment.
According to the one side of the disclosure, it proposes a kind of computer-readable medium, is stored thereon with computer program, the program
The method as described in above-described embodiment is realized when being executed by processor.
According to the information recommendation method based on block chain, device, electronic equipment and the computer-readable medium of the disclosure, energy
The user of enough nest egg communities determines the endowment environment optimized and endowment auxiliary facility, improves the user experience of endowment community.
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited
It is open.
Detailed description of the invention
Its example embodiment is described in detail by referring to accompanying drawing, above and other target, feature and the advantage of the disclosure will
It becomes more fully apparent.Drawings discussed below is only some embodiments of the present disclosure, for the ordinary skill of this field
For personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of system of information recommendation method and device based on block chain shown according to an exemplary embodiment
Block diagram.
Fig. 2 is a kind of flow chart of information recommendation method based on block chain shown according to an exemplary embodiment.
Fig. 3 is a kind of flow chart of the information recommendation method based on block chain shown according to another exemplary embodiment.
Fig. 4 is a kind of schematic diagram of the information recommendation method based on block chain shown according to another exemplary embodiment.
Fig. 5 is a kind of flow chart of the information recommendation method based on block chain shown according to another exemplary embodiment.
Fig. 6 is a kind of block diagram of information recommending apparatus based on block chain shown according to an exemplary embodiment.
Fig. 7 is the block diagram of a kind of electronic equipment shown according to an exemplary embodiment.
Fig. 8 is that a kind of computer readable storage medium schematic diagram is shown according to an exemplary embodiment.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be real in a variety of forms
It applies, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the disclosure will be comprehensively and complete
It is whole, and the design of example embodiment is comprehensively communicated to those skilled in the art.Identical appended drawing reference indicates in figure
Same or similar part, thus repetition thereof will be omitted.
In addition, described feature, structure or characteristic can be incorporated in one or more implementations in any suitable manner
In example.In the following description, many details are provided to provide and fully understand to embodiment of the disclosure.However,
It will be appreciated by persons skilled in the art that can with technical solution of the disclosure without one or more in specific detail,
Or it can be using other methods, constituent element, device, step etc..In other cases, it is not shown in detail or describes known side
Method, device, realization or operation are to avoid fuzzy all aspects of this disclosure.
Block diagram shown in the drawings is only functional entity, not necessarily must be corresponding with physically separate entity.
I.e., it is possible to realize these functional entitys using software form, or realized in one or more hardware modules or integrated circuit
These functional entitys, or these functional entitys are realized in heterogeneous networks and/or processor device and/or microcontroller device.
Flow chart shown in the drawings is merely illustrative, it is not necessary to including all content and operation/step,
It is not required to execute by described sequence.For example, some operation/steps can also decompose, and some operation/steps can close
And or part merge, therefore the sequence actually executed is possible to change according to the actual situation.
It should be understood that although herein various assemblies may be described using term first, second, third, etc., these groups
Part should not be limited by these terms.These terms are to distinguish a component and another component.Therefore, first group be discussed herein below
Part can be described as the second component without departing from the teaching of disclosure concept.As used herein, term " and/or " include associated
All combinations for listing any of project and one or more.
It will be understood by those skilled in the art that attached drawing is the schematic diagram of example embodiment, module or process in attached drawing
Necessary to not necessarily implementing the disclosure, therefore it cannot be used for the protection scope of the limitation disclosure.
Fig. 1 is that a kind of information recommendation method based on block chain shown according to an exemplary embodiment, device, electronics are set
Standby and computer-readable medium system block diagram.
As shown in Figure 1, system architecture 100 may include terminal device 101,102,103,104/ server of network, 105 He
Commodity server 106.Network 104 between terminal device 101,102,103 and server 105 to provide Jie of communication link
Matter.Network 104 may include various connection types, such as wired, wireless communication link or fiber optic cables etc..
User can be used terminal device 101,102,103 and be interacted by network 104 with server 105, to receive or send out
Send message etc..Various telecommunication customer end applications, such as the application of shopping class, net can be installed on terminal device 101,102,103
The application of page browsing device, searching class application, instant messaging tools, mailbox client, social platform software etc..Commodity server 106
It is interacted by network 104 with server 105, to receive or send message etc..
Terminal device 101,102,103 can be the various electronic equipments with display screen and supported web page browsing, packet
Include but be not limited to smart phone, tablet computer, pocket computer on knee and desktop computer etc..
Terminal device 101,102,103 can for example obtain the personal information and demand information of user in real time；And it will be described
Personal information and the demand information are stored to the first block chain network；Wherein, the personal information includes medical information, interest
At least one of information, preference information；Wherein, the demand information includes target position information, in target price section
It is at least one.
Commodity server 106 can for example obtain merchandise news in real time；And the merchandise news is stored to the second block
Chain network；Wherein, the merchandise news includes geographical location information, house type information, medical care information, at least one in pricing information
Kind.
Server 105 can be to provide the server of various services, such as utilize terminal device 101,102,103 to user
Supported parents community service analysis network provides the background server supported.Background server can look into the product analysis received
It askes the data such as information to be handled, and processing result (such as matching commodity) is fed back into terminal device.
Server 105 can for example obtain the personal information and demand information of user by the first block chain network；Server
105 can for example obtain merchandise news to be selected；Server 105 can for example be built by the personal information, the demand information
Vertical multiple groups close majorized function；Server 105 for example can solve the multiple groups based on integer programming method and close majorized function to obtain
Optimal solution；Server 105 can be for example by the optimal solution by determining commodity to be recommended and recommending institute in the merchandise news
State user.
Server 105 can be the server of an entity, also may be, for example, that multiple servers form, in server 105
A part can be for example as the goods matching analysis system in the disclosure, for matched merchandise news will to be provided for user；
And a part in server 105 can also be for example as the block chain network in the disclosure, for storing the personal letter of user
Breath and demand information and merchandise news.
It should be noted that the information recommendation method based on block chain provided by the embodiment of the present disclosure can be by server
105 execute, and correspondingly, the information recommending apparatus based on block chain can be set in server 105.And it is supplied to user's progress
The request end of inquiry is normally in terminal device 101,102,103.
Information exchange on internet, almost require by can standing bad third party credit institution handle related letter
Breath.This kind of system is limited by " fiduciary mode " still endogenously.Block chain technology is building bit coin block link network
The basic technology of network and Transaction Information encrypted transmission.It is based on Cryptography Principles and is not based on credit, so that any reach an agreement
Both sides' direct payment, without the participation of third party intermediary.From the perspective of data: block chain be it is a kind of hardly
The distributed data base that may be modified.Here " distribution " is not only presented as the distributed storage of data, is also embodied in number
According to distributed recording (being safeguarded jointly by system participant).In the most of application scenarios of block chain technology, block is utilized
Hash calculation and encryption that the chain transaction data structure of chain Hash pointer and encryption are learned learn the mechanism of digital signature, can be realized area
Thus multi-level evidence in block chain process of exchange trusts each other problem between Different Individual counterparty to realize.In view of
This, the user behavior data that acquisition obtains is stored in block chain network by present inventor, can be mentioned by block chain
The data safety guarantee of confession then reaches acquisition accurately, the purpose for the user data being not tampered with.
According to the information recommendation method based on block chain of the disclosure, the personal information of user is obtained by obtaining block chain
With demand information, merchandise news to be selected is obtained, and personal information and demand information, merchandise news are analyzed, is determined
Commodity to be recommended and the mode for recommending the user, the user for capableing of nest egg community determine the endowment environment optimized and support
Old auxiliary facility improves the user experience of endowment community.
Fig. 2 is a kind of flow chart of information recommendation method based on block chain shown according to an exemplary embodiment.Base
Step S202 to S210 is included at least in the information recommendation method 20 of block chain.
As shown in Fig. 2, obtaining the personal information and demand information of user by the first block chain network in S202.In
In one embodiment, the personal information of user are as follows: personal preference's is nutrient delicious, the health care liked, movable fitness project,
Social interaction experience, family's resettlement plan, family health care information, weather hobby, personal preference and interest etc.；The demand of user is believed
Breath are as follows: endowment community's spending amount, destination of supporting parents, the fitness equipment etc. that need to be provided.
In S204, merchandise news to be selected is obtained.In one embodiment, merchandise news may be, for example, different support
The mating house type information of old community, it may include: community position, community's scale, the rehabilitation service provided, community's expert domain, society
The guarantee service that area provides, community's price etc..
In S206, multiple groups are established according to the personal information, the demand information and close majorized function.It can for example,
Multiple groups, which are established, by the personal information closes majorized function formula；Majorized function is closed using the demand information as the multiple groups
Constraint condition；And majorized function formula is closed by the multiple groups and establishes the multiple groups conjunction majorized function with the constraint condition.
Wherein, combinatorial optimization problem is one kind of optimization problem.Optimization problem is divided into two classes: one kind is continuous variable
The problem of, another kind of the problem of being discrete variable.There is the problem of discrete variable, we it be referred to as combination.In continuous variable
The problem of in, be generally to ask one group of real number or a function；It is from an infinite set or denumerable in combinatorial problem
An object, a set, an arrangement or a figure are found in infinite set.Generally, these two types of problems have quite different
Characteristic, and the method for solving them is also very different.
Combinatorial optimization problem is divided into according to the quantity of objective function: single-object problem (Single-Objective
Optimization Problem) and multiple-objection optimization (Multi-objective Optimization Problem).
In one embodiment, it is multi-objective optimization question that the multiple groups in the application, which close majorized function, due to multiple evaluation and tests
The presence of function, and using the solution of different evaluation and test functions, also it is different.In other words: multiple groups are closed in majorized function, together
When there are multiple maximizations or the objective functions of minimum, also, these objective functions are not independent from each other, nor
It is mutually harmonious, there can be more or less conflict between them, so that all objective functions cannot be met simultaneously.
In one embodiment, solve the application in multiple groups close majorized function can when the optimal solution of discrete state
By one of the methods of linear programming, Non-Linear Programming, integer programming, Dynamic Programming, matroid opinion and network analysis or more
Group, the application are not limited.
In a kind of exemplary embodiment of the disclosure, multiple groups close majorized function formula and include:
Wherein, Z is optimization aim, anFor variation coefficient, xnFor the demand item in demand information, N is the number of demand item
Amount, n ∈ [1, N], wherein optimal solution corresponds to the specific value of each demand item when optimization target values maximum.More Combinatorial Optimizations
The process that function is specifically solved and calculated will be described in detail in the example of figure 7.
In S208, the multiple groups are solved based on integer programming method and close majorized function to obtain optimal solution.Integer programming
Refer to that the variable (all or part) in planning is limited to integer, in Linear Programming Problem as described above, some optimal solutions
It may be score or decimal, but for certain particular problems, often requiring the solution of certain variables must be integer.
In this application, due in majorized function variable represent be geographical location, if having a certain facility, if tool
There is situations such as a certain medical services, so significant optimal solution can only be integer form in the embodiment of the present application.There have to be special
Method solve integer programming.In integer programming, if all variables are limited to integer, referred to as pure integer programming；
If only a part variable is limited to integer, referred to as mixed integer programming.In this application, the value of Partial Variable is integer
Problem, the value of Partial Variable can be non-integer problem (for example, price of house type) so in the present embodiment, whole by mixing
Number planning correlation technique is solved.
In one embodiment, the multiple groups are solved based on integer programming method and closes majorized function to obtain optimal unpacking
It includes: solving the multiple groups and close the first solution of majorized function acquisition；It, will be described in the first solution conduct when the first solution is integer form
Optimal solution.
In S210, by the optimal solution by determining commodity to be recommended in the merchandise news and recommending the use
Family.The merchandise news is subjected to quantification treatment in block chain network；By merchandise news after quantification treatment with it is described optimal
Solution matching；Determine commodity to be recommended corresponding with optimal solution；And give the information recommendation to be recommended to the user.
In one embodiment, by the geographical location information in the merchandise news, house type information, medical care information, price
Information carries out quantification treatment；By geographical location information after quantification treatment, house type information, medical care information, pricing information with
The optimal solution matching, with determination commodity to be recommended and recommends the user.
According to the information recommendation method based on block chain of the disclosure, by the way that by the personal information of user, demand information turns
The mode for turning to majorized function solves majorized function by merchandise news, can using optimal solution as the mode of Recommendations
The user of nest egg community determines the endowment environment optimized and endowment auxiliary facility, improves the user experience of endowment community.
It will be clearly understood that the present disclosure describes how to form and use particular example, but the principle of the disclosure is not limited to
These exemplary any details.On the contrary, the introduction based on disclosure disclosure, these principles can be applied to many other
Embodiment.
Fig. 3 is a kind of flow chart of the information recommendation method based on block chain shown according to another exemplary embodiment.
Information recommendation method 30 based on block chain as shown in Figure 3 be in the information recommendation method 20 based on block chain " by
The detailed description of block chain network building in the personal information and demand information of one block chain network acquisition user ".
In S302, the personal information and demand information of user are obtained in real time.It can be for example, the individual of chain endowment community lives
Family or family information and pay close attention to endowment community in living for different times different cities difference endowment community
Realm information (nutrient delicious, health care, activity body-building, social interaction, family's resettlement, family health care (diabetes, angiocarpy
Disease etc.), weather hobby, personal preference and interest etc.) etc. upload to block chain in real time, for example, resident's first has chain endowment society
Area moves in qualification, lives at present in Beijing, will relocate to Chengdu, and community's consumer budget of monthly supporting parents is no more than 25000 yuan, likes
Above- mentioned information can be uploaded in real time endowment community's block by swimming body-building and the various social activity of participation, no chronic disease, first
Chain is stored
In S304, block data is generated by personal information and demand information.It is constituted in personal information and demand information
Block chain in, each block is made of build and block body.Build is used to be linked to the address of a block, and is
The guarantee of block chain database offer integrality.It is detailed that block body then contains transaction by verifying, occurring during block creation
Feelings or other data records.
As shown in figure 4, being chained up between block and block by the data block header information between each block, area
Block is a kind of recorder's information and demand information data structure.Each block is made of block head and block main body, block main body
Only it is responsible for recording the people's information and demand information data in for the previous period, most of function of block chain is all real by block head
It is existing.Specifically can such as header information have recorded HASH value (hashed value converted by hash function) and local area of a block
The HASH value of block, the HASH of this block, and recorded in next new block, this completes the information of each block
Chain.
Subsystem for example can be constructed by block chain node and block chain network and construct the block chain in the application, block chain
Building, update and the maintenance mechanism and block chain network of node and block chain network building subsystem responsible block chain node
Building is updated and is safeguarded, for example, using base, community operating agency of supporting parents as minimum node, one or more endowment group/companies
The building of endowment service management transaction block chain network is participated in, in the embodiment of the present application, block data can be as follows:
Table 1
In addition, the example data structure that multiple groups conjunction majorized function is stored in block chain is as shown in table 2 below:
Table 2
In S306, block is stored in the block chain network.Originally after block data is linked with a upper block,
Block data is issued in block chain network to complete block data uplink operation.Further, block data it
Between by know together algorithm carry out common recognition mechanism confirmation.In a kind of exemplary embodiment of the disclosure, the common recognition algorithm includes:
Byzantine failure tolerance algorithm, the application are not limited.
In S308, the block chain network exports the access link and access public key.Due to being wrapped in each block
The data resource of historical data containing all blocks, occupancy is more.It can be for example, when occupying larger sky comprising data in user data
Between data when, user data is stored into book server, which only provides the service interface to the tile system,
To guarantee the safety of the data.In the server, the physical address data for obtaining the storage of this user data, can be storage place
Location data, the access as the secondary user data link.
In one embodiment, merchandise news can be stored in the second block chain network.It can be such as: obtaining commodity letter in real time
Breath；And the merchandise news is stored to the second block chain network；Wherein, the merchandise news include geographical location information,
House type information, medical care information, pricing information.The building of second block chain network is similar with the building of the first block chain network, this
Details are not described herein for application.
In a kind of exemplary embodiment of the disclosure, the back-end server of the one high permission node in block chain is from area
Information and case are acquired in block chain, and training multiple groups close majorized function, obtained multiple groups close majorized function can be by the high permission section
Point uploads on block chain.
It should be noted that it is renewable that the model multiple groups in the present embodiment, which close majorized function, for example, when in block chain
Information and case update when, can periodically or according to data update degree to multiple groups close majorized function be updated.In addition, more
The multiple groups newly obtained are closed majorized function and are stored in block chain.
Fig. 5 is a kind of flow chart of the information recommendation method based on block chain shown according to another exemplary embodiment.
Information recommendation method 50 based on block chain as shown in Figure 5 is " to pass through institute in the information recommendation method 20 based on block chain
State personal information, the demand information establish multiple groups close majorized function " in detailed description.
In S502, multiple groups are established by the personal information and close majorized function formula.
In S504, the constraint condition of majorized function formula is closed using the demand information as the multiple groups.
In S506, majorized function formula is closed by the multiple groups and the constraint condition establishes more Combinatorial Optimization letters
Number.
Solution for majorized function needs following three basic parameter:
1, decision variable, it can be understood as control variable or some conclusive parameters；In the present embodiment, certainly
Plan variable is the personal information of user.
2, optimization aim evaluates whether to develop towards good direction；Wherein optimization aim includes: user in the present embodiment
Experience value is optimal.
3, constraint condition is prerequisite, it defines that one domain of specific setting range of decision variable limits.
In the present embodiment, constraint condition is the demand information of user.
Optimization object function is established according to conditions above:
In one embodiment, for example, the residential needs information for community family resident first of supporting parents is as follows:
City={ Beijing, Shanghai, Guangzhou, Chengdu }；(x1∈{1,2,3,4})；
Community: Beijing -- > Chengdu (x2=1)；
Monthly support parents community consumer budget≤25000 yuan (x3≤25000)；
Eating habit (x4≤25000)；
Hobby: it needs (x5=1)；
The service of looking after: it needs (x6=1).
Meet the Optimum Matching of first resident's residential needs as a result, establishing objective function to identify,
Meet constraint condition x1 ∈ { 1,2,3,4 }, x2=1, x3≤25000, x4≤25000, x5=1, x6=1.
Wherein Z is user experience value, and a1, a2 ..a6 is the coefficient of corresponding each variable；Wherein, xnFor demand item, Q
For the predetermined value in demand information.The objective function is solved by integer programming method, the first solution of objective function is sought, sentences
Whether disconnected first solution meets the condition of integer programming, and meeting integer programming condition in the first solution (can for example judge in the first solution
The whether all integer values of Xn numerical value) when, determine that first solution is optimal solution.According to the corresponding each Xn numerical value of optimal solution, really
Determine the corresponding concrete condition of each numerical value, such as it is purpose city Beijing that X1=1 is corresponding, X2=1 corresponds to resettlement destination
For Chengdu, it is 20000 yuan that X3=20000, which corresponds to endowment community's consumer budget, and it is pre- that X4=2000 corresponds to the consumption of endowment community
Calculate is 20000 yuan.According to above numerical value correspond to the specific demand item of user, and then as meet user to endowment community
The Optimum Matching result of residential needs.
Client often had when selecting interlock type endowment community it is some move in demand, such as where city selection, often
Month endowment community consumer budget, (such as client likes swimming body-building, has then it is recommended to move in for personal preference and interest
The endowment community of gymnasium can promote its satisfaction), and whether need the service of looking after (according to the physical condition of client
It is fixed) etc..And a problem to be solved by this invention is how to move in demand according to these of client and recommend suitable support for it
Old community and the optimum matching point for obtaining these demands make the satisfaction highest of client.Therefore, the present invention is deposited according in block chain
Endowment community resident's occupancy information of storage establishes the personal and chain endowment service management system of family, according to client to endowment society
Area moves in demand and satisfaction evaluation, and that searches and identify automatically optimization that may be present for client (makes customer satisfaction
Spend highest) city, community, price, diet, like, look after service etc. matching results.
In order to realize the purpose, optimization object function is selected are as follows:
The reason of selecting this function is that expectation acquisition makes the highest endowment community of customer satisfaction move in demand matching knot
Fruit.This is a planning problem first, secondly variable x1 have into x6 5 variables (in addition to x3 consumer budget) value be all by
Integer representation (such as whether needing the service of looking after, indicated by 0-1, city={ Beijing, Shanghai, Guangzhou, Chengdu } (x1 ∈ 1,
2,3,4 }) etc.).Therefore this application scenarios is very suitable to using this optimization object function.
According to the information recommendation method based on block chain of the disclosure, according to the residence of the resident of the endowment community in block chain
Firmly the historical data that information, concern endowment service field information and the resident live in endowment community, system are searched and are known automatically
The matching (condition, house type, price, is moved in etc. at community in city) of optimization not that may be present, can effectively promote block chain skill
Art applies effective popularization in terms of service management of supporting parents.
It, being capable of timely, effective and accurate assessment endowment clothes according to the information recommendation method based on block chain of the disclosure
Be engaged in management system, time series, integer programming many condition combined optimization method on the basis of, constantly adjustment and optimization system
Parameter, to by effectively realizing endowment service management in block chain network.
It will be appreciated by those skilled in the art that realizing that all or part of the steps of above-described embodiment is implemented as being executed by CPU
Computer program.When the computer program is executed by CPU, above-mentioned function defined by the above method that the disclosure provides is executed
Energy.The program can store in a kind of computer readable storage medium, which can be read-only memory, magnetic
Disk or CD etc..
Further, it should be noted that above-mentioned attached drawing is only the place according to included by the method for disclosure exemplary embodiment
Reason schematically illustrates, rather than limits purpose.It can be readily appreciated that above-mentioned processing shown in the drawings is not indicated or is limited at these
The time sequencing of reason.In addition, be also easy to understand, these processing, which can be, for example either synchronously or asynchronously to be executed in multiple modules.
Following is embodiment of the present disclosure, can be used for executing embodiments of the present disclosure.It is real for disclosure device
Undisclosed details in example is applied, embodiments of the present disclosure is please referred to.
Fig. 6 is a kind of block diagram of information recommending apparatus based on block chain shown according to an exemplary embodiment.It is based on
The information recommending apparatus 60 of block chain includes: line module 602, merchandise module 604, majorized function module 606, solution module
608 and recommending module 610.
Line module 602 is used to obtain the personal information and demand information of user by the first block chain network.At one
In embodiment, the personal information of user are as follows: personal preference's is nutrient delicious, the health care liked, movable fitness project, social
Interactive Experience, family's resettlement plan, family health care information, weather hobby, personal preference and interest etc.；The demand information of user
Are as follows: endowment community's spending amount, destination of supporting parents, the fitness equipment etc. that need to be provided.
Merchandise module 604 is for obtaining merchandise news to be selected.Merchandise news may be, for example, different endowment communities
Mating house type information, it may include: community position, community's scale, the rehabilitation service provided, community's expert domain, community provide
Ensure service, community's price etc..
Majorized function module 606, which is used to establish multiple groups according to the personal information, the demand information, closes majorized function.It is excellent
Changing function module 606 can for example specifically include: function module, close majorized function public affairs for establishing multiple groups by the personal information
Formula；Constraint condition module, for closing the constraint condition of majorized function using the demand information as the multiple groups；And optimization mould
Block establishes the multiple groups conjunction majorized function with the constraint condition for closing majorized function formula by the multiple groups.
It solves module 608 and is used to solve the multiple groups conjunction majorized function based on integer programming method to obtain optimal solution.It is whole
Number planning refers to that the variable (all or part) in planning is limited to integer, in Linear Programming Problem as described above, some
Optimal solution may be score or decimal, but for certain particular problems, and often requiring the solution of certain variables must be integer.
Recommending module 610 is used for through the optimal solution by determining commodity to be recommended in the merchandise news and recommending institute
State user.
Information recommending apparatus 60 based on block chain further include: the first block module (not shown), for obtaining in real time
Take the personal information and demand information at family；And the personal information and the demand information are stored to the first block link network
Network；Wherein, the personal information includes medical information, interest information, preference information；Wherein, the demand information includes target
Location information, target price section；And the second block module (not shown), for obtaining merchandise news in real time；And
The merchandise news is stored to the second block chain network；Wherein, the merchandise news includes geographical location information, house type letter
Breath, medical care information, pricing information.
Due to example embodiments of the present invention the information recommending apparatus based on block chain each functional module with it is above-mentioned
The step of example embodiment of information recommendation method based on block chain, is corresponding, therefore for not draping over one's shoulders in apparatus of the present invention embodiment
The details of dew please refers to the embodiment of the above-mentioned information recommendation method based on block chain of the present invention.
According to the information recommending apparatus based on block chain of the disclosure, by the way that by the personal information of user, demand information turns
The mode for turning to majorized function solves majorized function by merchandise news, can using optimal solution as the mode of Recommendations
The user of nest egg community determines the endowment environment optimized and endowment auxiliary facility, improves the user experience of endowment community.
Fig. 7 is the block diagram of a kind of electronic equipment shown according to an exemplary embodiment.
The electronic equipment 200 of this embodiment according to the disclosure is described referring to Fig. 7.The electronics that Fig. 7 is shown
Equipment 200 is only an example, should not function to the embodiment of the present disclosure and use scope bring any restrictions.
As shown in fig. 7, electronic equipment 200 is showed in the form of universal computing device.The component of electronic equipment 200 can wrap
It includes but is not limited to: at least one processing unit 210, at least one storage unit 220, (including the storage of the different system components of connection
Unit 220 and processing unit 210) bus 230, display unit 240 etc..
Wherein, the storage unit is stored with program code, and said program code can be held by the processing unit 210
Row, so that the processing unit 210 executes described in this specification above-mentioned electronic prescription circulation processing method part according to this
The step of disclosing various illustrative embodiments.For example, the processing unit 210 can be executed such as Fig. 2, Fig. 3, shown in Fig. 5
The step of.
The storage unit 220 may include the readable medium of volatile memory cell form, such as random access memory
Unit (RAM) 2201 and/or cache memory unit 2202 can further include read-only memory unit (ROM) 2203.
The storage unit 220 can also include program/practical work with one group of (at least one) program module 2205
Tool 2204, such program module 2205 includes but is not limited to: operating system, one or more application program, other programs
It may include the realization of network environment in module and program data, each of these examples or certain combination.
Bus 230 can be to indicate one of a few class bus structures or a variety of, including storage unit bus or storage
Cell controller, peripheral bus, graphics acceleration port, processing unit use any bus structures in a variety of bus structures
Local bus.
Electronic equipment 200 can also be with one or more external equipments 300 (such as keyboard, sensing equipment, bluetooth equipment
Deng) communication, can also be enabled a user to one or more equipment interact with the electronic equipment 200 communicate, and/or with make
Any equipment (such as the router, modulation /demodulation that the electronic equipment 200 can be communicated with one or more of the other calculating equipment
Device etc.) communication.This communication can be carried out by input/output (I/O) interface 250.Also, electronic equipment 200 can be with
By network adapter 260 and one or more network (such as local area network (LAN), wide area network (WAN) and/or public network,
Such as internet) communication.Network adapter 260 can be communicated by bus 230 with other modules of electronic equipment 200.It should
Understand, although not shown in the drawings, other hardware and/or software module can be used in conjunction with electronic equipment 200, including but unlimited
In: microcode, device driver, redundant processing unit, external disk drive array, RAID system, tape drive and number
According to backup storage system etc..
Through the above description of the embodiments, those skilled in the art is it can be readily appreciated that example described herein is implemented
Mode can also be realized by software realization in such a way that software is in conjunction with necessary hardware.Therefore, according to the disclosure
The technical solution of embodiment can be embodied in the form of software products, which can store non-volatile at one
Property storage medium (can be CD-ROM, USB flash disk, mobile hard disk etc.) in or network on, including some instructions are so that a calculating
Equipment (can be personal computer, server or network equipment etc.) executes the above method according to disclosure embodiment.
Fig. 8 schematically shows a kind of computer readable storage medium schematic diagram in disclosure exemplary embodiment.
Refering to what is shown in Fig. 8, describing the program product for realizing the above method according to embodiment of the present disclosure
400, can using portable compact disc read only memory (CD-ROM) and including program code, and can in terminal device,
Such as it is run on PC.However, the program product of the disclosure is without being limited thereto, in this document, readable storage medium storing program for executing can be with
To be any include or the tangible medium of storage program, the program can be commanded execution system, device or device use or
It is in connection.
Above-mentioned computer-readable medium carries one or more program, when said one or multiple programs are by one
When the equipment executes, so that the computer-readable medium implements function such as: obtaining of user by the first block chain network
People's information and demand information；Obtain merchandise news to be selected；Multiple groups are established by the personal information, the demand information to close
Majorized function；The multiple groups, which are solved, based on integer programming method closes majorized function to obtain optimal solution；And by described optimal
Solution is by determining commodity to be recommended and recommending the user in the merchandise news.
It will be appreciated by those skilled in the art that above-mentioned each module can be distributed in device according to the description of embodiment, it can also
Uniquely it is different from one or more devices of the present embodiment with carrying out corresponding change.The module of above-described embodiment can be merged into
One module, can also be further split into multiple submodule.
By the description of above embodiment, those skilled in the art is it can be readily appreciated that example embodiment described herein
It can also be realized in such a way that software is in conjunction with necessary hardware by software realization.Therefore, implemented according to the disclosure
The technical solution of example can be embodied in the form of software products, which can store in a non-volatile memories
In medium (can be CD-ROM, USB flash disk, mobile hard disk etc.) or on network, including some instructions are so that a calculating equipment (can
To be personal computer, server, mobile terminal or network equipment etc.) it executes according to the method for the embodiment of the present disclosure.
It is particularly shown and described the exemplary embodiment of the disclosure above.It should be appreciated that the present disclosure is not limited to
Detailed construction, set-up mode or implementation method described herein；On the contrary, disclosure intention covers included in appended claims
Various modifications and equivalence setting in spirit and scope.
Claims (10)
1. a kind of information recommendation method based on block chain characterized by comprising
The personal information and demand information of user are obtained by block chain network；
Obtain merchandise news to be selected；
Multiple groups, which are established, according to the personal information, the demand information closes majorized function；
The multiple groups, which are solved, based on integer programming method closes majorized function to obtain optimal solution；And
By the optimal solution by determining commodity to be recommended in the merchandise news and recommending the user.
2. the method as described in claim 1, which is characterized in that the personal information includes medical information, interest information, preference
At least one of information；
The demand information includes the target position information lived, target price section, eating habit, hobby, looks after need
At least one of ask；
The merchandise news include support parents the geographical location information of community, house type information, medical care information, in pricing information at least
It is a kind of.
3. method according to claim 1 or 2, which is characterized in that established according to the personal information, the demand information more
Combinatorial Optimization function includes:
Multiple groups, which are established, by the personal information closes majorized function formula；
The constraint condition of majorized function formula is closed using the demand information as the multiple groups；And
Majorized function formula is closed by the multiple groups and the constraint condition establishes the multiple groups and closes majorized function.
4. method according to claim 1 or 2, which is characterized in that multiple groups close majorized function formula and include:
Wherein, Z is optimization target values, anFor variation coefficient, xnFor the demand item in demand information, N is the number of demand item
Amount, n ∈ [1, N]；
Wherein, optimal solution corresponds to the specific value of each demand item when optimization target values maximum.
5. method as claimed in claim 4, which is characterized in that solve the multiple groups based on integer programming method and close majorized function
Include: to obtain optimal solution
It solves the multiple groups and closes majorized function, to obtain the first solution of each demand item；
When the first solution of each demand item is integer form, it regard first solution as the optimal solution.
6. method as claimed in claim 5, which is characterized in that the optimization target values include user experience value.
7. the method as described in claim 1, which is characterized in that by the optimal solution by determining in the merchandise news wait push away
Recommend commodity, comprising:
The merchandise news is subjected to quantification treatment in block chain network；
Merchandise news after quantification treatment is matched with the optimal solution；
Determine commodity to be recommended corresponding with optimal solution.
8. a kind of information recommending apparatus based on block chain characterized by comprising
Line module, for obtaining the personal information and demand information of user by block chain network；
Merchandise module, for obtaining merchandise news to be selected；
Majorized function module closes majorized function for establishing multiple groups according to the personal information, the demand information；
Module is solved, closes majorized function for solving the multiple groups based on integer programming method to obtain optimal solution；And
Recommending module, for by commodity to be recommended determining in the merchandise news and recommending the use by the optimal solution
Family.
9. a kind of electronic equipment characterized by comprising
One or more processors；
Storage device, for storing one or more programs；
When one or more of programs are executed by one or more of processors, so that one or more of processors are real
The now method as described in any in claim 1-7.
10. a kind of computer-readable medium, is stored thereon with computer program, which is characterized in that described program is held by processor
The method as described in any in claim 1-7 is realized when row.
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