CN107273488B - A kind of realistic space activity and cyberspace behavior space-time link evaluation of effect method - Google Patents
A kind of realistic space activity and cyberspace behavior space-time link evaluation of effect method Download PDFInfo
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- CN107273488B CN107273488B CN201710444308.9A CN201710444308A CN107273488B CN 107273488 B CN107273488 B CN 107273488B CN 201710444308 A CN201710444308 A CN 201710444308A CN 107273488 B CN107273488 B CN 107273488B
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Abstract
The invention discloses a kind of realistic space activities and cyberspace behavior space-time linkage evaluation of effect method, utilize zone of action number of mobile phone users during mobile phone space-time trajectory data calculating activity；Using mobile phone space-time trajectory data, the position of " family " by identifying mobile phone user constructs the movable radiant force model of realistic space；According to social media data increasing law, the movable radiant force model of logistic model construction cyberspace is utilized；The synthesis space-time radiant force model for constructing realistic space and cyberspace, the calculation basis as space-time linkage intensity；By comparing activity in realistic space, cyberspace, realistic space-cyberspace space-time radiant force, spread speed, the space-time linkage intensity of realistic space and cyberspace is calculated.Invention increases realistic space activities and space-time linkage analysis of the cyberspace behavior in message communication process, and can more truly show activity influences the whole process propagated.
Description
Technical field
The invention belongs to information analysis techniques fields, are related to the space-time connection of a kind of realistic space activity and cyberspace behavior
Dynamic analysis method, and in particular to a kind of realistic space activity and cyberspace behavior space-time link evaluation of effect method.
Technical background
With the development of Information and Communication Technology ICT, mobile phone and mobile Internet are gradually popularized, and are generated to human lives far-reaching
Influence.Group activity bring in realistic space influences to pass through internet network on the lines such as portal website, microblogging, wechat
It is propagated rapidly in space.Realistic space activity is presently mainly to be based on double-deck couple with the space-time linkage analysis of cyberspace behavior
The on-line off-line interaction public sentiment propagation model of network.The model constructs oriented scale-free model to cyberspace behavior；It is existing
Real space activity constructs small-world network model；Realistic space is coupled with cyberspace by node angle value ordering structure.But
Contacting between realistic space and cyberspace node is more complicated, and the sequence of node angle value qualitative can only embody its influence, movable shadow
The linkage evaluation of effect method rung between realistic space activity and cyberspace behavior need to be inquired into.
Summary of the invention
In order to solve the problems, such as that the activity of quantitative evaluation realistic space and the space-time of cyberspace behavior link this, the present invention
The space-time radiant force model of realistic space activity and cyberspace behavior is constructed, quantification calculates space-time linkage intensity to the two
Space-time linkage effect evaluated.
The technical scheme adopted by the invention is that: a kind of realistic space activity is commented with cyberspace behavior space-time linkage effect
Valence method, which comprises the following steps:
Step 1: utilizing zone of action number of mobile phone users during the calculating activity of mobile phone space-time trajectory data；
Step 2: utilizing mobile phone space-time trajectory data, the position of " family " by identifying mobile phone user constructs realistic space
Movable radiant force model；
Step 3: according to the increasing law of social media data, utilizing the movable spoke of logistic model construction cyberspace
Penetrate power model；
Step 4: the synthesis space-time radiant force model of building realistic space and cyberspace, the meter as space-time linkage intensity
Calculate foundation；
Step 5: by comparing activity realistic space, cyberspace, realistic space-cyberspace space-time radiant force,
Spread speed calculates the space-time linkage intensity of realistic space and cyberspace.
Compared with the existing technology, the beneficial effects of the present invention are: the present invention utilizes mobile phone from the angle of spatiotemporal data structure
Space-time trajectory data, social media big data establish the space-time linkage evaluation of effect of realistic space activity and cyberspace behavior
Method.Analysis is propagated compared to single network public-opinion, realistic space activity is increased and is propagated through with cyberspace behavior in message
Space-time linkage analysis in journey, and combined radiation power model, quantitative analysis are constructed to realistic space activity and cyberspace behavior
Space-time linkage action intensity between the two.The present invention can portray the reciprocal effect of realistic space and cyberspace, more truly
Performance activity influences communication process, can provide reference for commercial propaganda, public sentiment control etc..
Detailed description of the invention
Fig. 1 is the microblog number curve over time of the embodiment of the present invention；
Fig. 2 is the space-time radiant force model of realistic space activity Yu the cyberspace behavior of the embodiment of the present invention；
Fig. 3 is that the space-time linkage of realistic space activity Yu the cyberspace behavior of the embodiment of the present invention acts on schematic diagram；
Fig. 4 is the space-time linkage Strength co-mputation flow chart of the embodiment of the present invention.
Specific embodiment
Understand for the ease of those of ordinary skill in the art and implement the present invention, with reference to the accompanying drawings and embodiments to this hair
It is bright to be described in further detail, it should be understood that implementation example described herein is merely to illustrate and explain the present invention, not
For limiting the present invention.
The present embodiment is reflected reality space operation, micro- so that group dancing match is held in certain city as an example with mobile phone location data
Rich data reflect that the activity in the propagation of cyberspace, carries out the experiment of realistic space space-time linkage action intensity appraisal procedure.
Specific implementation process is as follows:
Step 1: utilizing zone of action number of mobile phone users during mobile phone location data calculating activity；
Step 2: utilizing mobile phone location data, the position of " family " by identifying mobile phone user, to determine activity in reality
The radiant force in space.The most base station of mobile phone user's frequency of occurrence is considered as mobile phone user " family " during counting daily 0:00~6:00
Position.The area size of family's composition of zone of action mobile phone user is calculated as movable spatial influence；
Step 3: quantity characteristic over time is issued according to microblog data, it is empty using logistic model construction network
Between movable radiant force model；
Step 4: calculating activity realistic space and cyberspace space-time radiant force, as space-time linkage intensity calculating
Foundation；
Step 5: calculating space-time in realistic space-cyberspace space-time unique degree of overlapping, spread speed using activity and join
Fatigue resistance influences to evaluate in realistic space and the linkage effect in cyberspace on the group dancing contest activity.
The present embodiment constructs the space-time radiant force model of realistic space activity and cyberspace behavior, proposes between the two
Space-time link evaluation of effect algorithm frame.
(1) the space-time radiant force model of realistic space activity and cyberspace behavior；
Activity occur when, activity influence can in realistic space, cyberspace with space-time radiate form gradually spread and
It propagates.In realistic space, the motion track of movable generation area crowd can embody movable spacial influence range to a certain extent.
In realistic space, the time range that activity starts, continues, developing, terminating can be learnt by the activity attributes that life event is concentrated.It is living
The dynamic spatial dimension influenced is determined by the position of the mobile phone user " family " of movable generation area.Hand is counted from mobile phone location data
Position frequency of occurrence of the machine user during daily 0:00~6:00 is used the most base station of the period frequency of occurrence as mobile phone
The location of " family " at family, using the region where the mobile phone user man of zone of action as movable coverage.It is positioned from mobile phone
Flow in data between statistical activity generation, the number of users for continueing to the service of end day part base station, base station is as radiation patterns
Activity is calculated in realistic space to the attraction of the user in each region in city in the input value of (formula 1).
Wherein: mi,njRespectively indicate position i, the size of population of j；sijExpression distance and position i radius is rijRegion people
Mouth sum；rijIndicate position i, the distance between j；Indicate the total number of persons from position i, the population with position i
Quantity miIt is proportional；FijIndicate the number of mobile phone users that position j is moved to from position i.
In cyberspace, the characteristics of behavior of user shows diversification of forms in dots, is used when such as activity occurs
Family carries out social activity APP news release, WAP page interaction etc. by mobile communication equipments such as mobile phones.The present invention is mainly logical with mobile phone
For microblog data in letter data and social media big data, user network spatial behavior caused by activity is analyzed.
The change of user's internet behavior caused by variation embodiment activity of the APP using type and the frequency in mobile communication data.With activity
Relevant microblogging publication number can be used as the movable participation number in cyberspace；It is true by microblogging latitude and longitude coordinates in data of registering
The spatial dimension that fixed activity influences；The time range of activity influence can be determined by the distribution of the timestamp of microblogging.Statistics network
The microblog number issued in space with movable time of origin t, the position distance d between movable generation area central point that registers variation
Curve is presented " S " type with the change curve of distance d, can be fitted by Logistic regression model (such as formula 2) such as Fig. 1.
Wherein: N is the announced microblog number of time t；R indicates that microblogging issues increment；K is a period of time after activity occurs
The microblog number maximum value of interior publication；N0Indicate time t0When initial microblog number.
Formula 3 gives the combined radiation power of realistic space activity and cyberspace behavior, the space-time radiation of construction activities
Power model, as shown in Figure 2.A indicates the radiant force comprehensive weight coefficient of realistic space and cyberspace behavior, for describing reality
Space, cyberspace are to movable influence degree.Coefficient a is bigger, illustrates that realistic space influences bigger, cyberspace row to activity
It is smaller on movable influence.
Wherein:Respectively indicate moment t, activity is in region i, when activity of the j in realistic space, cyberspace
Empty radiant force.
(2) calculating of space-time linkage action intensity；
Space-time linkage action intensity is defined to evaluate the space-time linkage of realistic space activity and cyberspace behavior.When
Sky linkage action intensity refers to be occurred, in the entire time-space process that continues to end in activity, the movable space-time unique of realistic space
With the interaction intensity of the user behavior in cyberspace.Behavior is in cyberspace to put as basic unit, with base in realistic space
Region stand as basic unit.Space-time linkage between the two is as shown in Figure 3.During space-time links, the propagation of activity influence
There is certain degree of overlapping, activity influences spread speed and substantially change in middle space-time coverage.It is living in realistic space
After dynamic generation, user is given out information by social media APP, is propagated in cyberspace；Certain customers in subsequent social category APP
Activities of transmission influences in realistic space；Part population in social networks network can be further appreciated that again by network activity and
Message.By user's interacting in realistic space and cyberspace, the space-time of realistic space activity and cyberspace behavior is formed
It links, the space-time linkage between the two expands the propagation range of activity influence.
Realistic space and the space-time of cyberspace linkage intensity by movable space-time unique degree of overlapping, activity spread speed it is comprehensive
Group photo is rung.Movable space-time unique degree of overlapping, which embodies activity, influences the space-time characterisation propagated.Space-time space model is influenced using activity
Enclose degree of overlapping, activity influences the factors such as spread speed to the space-time linkage intensity STLI of realistic space activity and cyberspace behavior
(Spatio-temporal Linkage Intensity) carries out quantification expression, such as formula (4).Fig. 4 is space-time linkage intensity
Calculation process.
STLIt=α St+βTt+γVt(4)；
Wherein: StIndicate the activity of t moment realistic space and cyberspace behavior in the degree of overlapping of spatial dimension；TtIndicate two
Degree of overlapping of the person in movable influence time range；VtIndicate that t moment activity influences spread speed.α, β expression activity are corresponding
The weight coefficient that space-time linkage intensity is influenced by activity space range degree of overlapping, time range degree of overlapping, γ expression activity is existing
It is propagated in the real space, cyberspace, the weight coefficient of spatial dimension growth rate.
Realistic space and the linkage of the space-time of cyberspace, which are conducive to expansion activity, influences the speed propagated and range, specific table
It is existing are as follows: the space-time linkage intensity between the two is bigger, and user frequently links in realistic space, cyberspace, and promotion activity influences
Faster broadly propagate.Space-time links, and intensity is smaller, and realistic space influences to propagate relatively independent, limit with the activity in cyberspace
The space-time unique of movable influence is made.
It should be understood that the part that this specification does not elaborate belongs to the prior art.
It should be understood that the above-mentioned description for preferred embodiment is more detailed, can not therefore be considered to this
The limitation of invention patent protection range, those skilled in the art under the inspiration of the present invention, are not departing from power of the present invention
Benefit requires to make replacement or deformation under protected ambit, fall within the scope of protection of the present invention, this hair
It is bright range is claimed to be determined by the appended claims.
Claims (2)
- A kind of evaluation of effect method 1. realistic space activity and cyberspace behavior space-time link, which is characterized in that including following Step:Step 1: utilizing zone of action number of mobile phone users during the calculating activity of mobile phone space-time trajectory data；Step 2: utilize mobile phone space-time trajectory data, by the position of " family " of mobile phone user in identification step 1, count " family " with The OD of movable generation area flows, and constructs the movable radiant force model of realistic space, wherein O indicates starting point, and D indicates terminal；The movable radiant force model of the realistic space are as follows:Wherein: mi,njRespectively indicate position i, the size of population of j；sijExpression distance and position i radius is rijRegion population it is total Number；rijIndicate position i, the distance between j；Indicate the total number of persons from position i, the size of population with position i miIt is proportional；FijIndicate the number of mobile phone users that position j is moved to from position i；Step 3: according to social media data increasing law related to activity, utilizing the work of logistic model construction cyberspace Dynamic radiant force model；The movable radiant force model of the cyberspace are as follows:Wherein, N is time t announced microblogging quantity relevant to activity；R indicates that microblogging issues increment；K is activity The microblog number maximum value of publication in a period of time afterwards；N0Indicate time t0When to the relevant initial microblog number of activity；Step 4: building realistic space and cyberspace synthesis space-time radiant force model, as space-time linkage intensity calculating according to According to；The synthesis space-time radiant force model of the realistic space and cyberspace are as follows:Wherein:Moment t is respectively indicated, activity is in region i, movable space-time spoke of the j in realistic space, cyberspace Power is penetrated, radiant force coefficient of colligation a embodies realistic space and cyberspace space-time linkage intensity；Step 5: by comparing activity in realistic space, cyberspace, realistic space-cyberspace space-time radiant force, propagation Speed calculates the space-time linkage intensity of realistic space and cyberspace；The realistic space and the space-time of cyberspace linkage strength calculation formula are as follows:STLIt=α St+βTt+γVt(4)；Wherein: StIndicate the activity of t moment realistic space and cyberspace behavior in the degree of overlapping of spatial dimension；TtIndicate that reality is empty Between activity and cyberspace behavior influence degree of overlapping in time；VtIndicate that t moment activity influences spread speed；α, β table Show the weight coefficient that the corresponding space-time linkage intensity of activity is influenced by activity space range degree of overlapping, time range degree of overlapping, γ Expression activity is propagated in realistic space, cyberspace, the weight coefficient of spatial dimension growth rate.
- The evaluation of effect method 2. realistic space activity according to claim 1 and cyberspace behavior space-time link, it is special Sign is: in step 2, the most base station of mobile phone user's frequency of occurrence is considered as mobile phone user during counting daily 0:00~6:00 The position of " family " calculates the area size of family's composition of zone of action mobile phone user as movable spatial influence.
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| CN109446186B (en) * | 2018-09-27 | 2021-07-20 | 江苏大学 | Social relation judgment method based on movement track |
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