CN109461505A - A method of rabies prevention and control cost is reduced using spatial information - Google Patents
A method of rabies prevention and control cost is reduced using spatial information Download PDFInfo
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- CN109461505A CN109461505A CN201811367682.4A CN201811367682A CN109461505A CN 109461505 A CN109461505 A CN 109461505A CN 201811367682 A CN201811367682 A CN 201811367682A CN 109461505 A CN109461505 A CN 109461505A
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Abstract
This application involves Public Health Technology fields, disclose a kind of method for reducing rabies prevention and control cost using spatial information, it is comprising steps of transfer local rabies cases data, and obtain the correlated activation track data in hydrophobe's morbidity for the previous period；To the correlated activation track data category filter, and excavate possible anchor point；Semantization is carried out to the anchor point in conjunction with space road net data, and is fitted by anchor point density, obtains high risk zone；The high risk zone of the above results is intervened；The present invention, which will carry out emphasis anticipation to rabic high risk zone, can be effectively reduced prevention and control cost to there is the artificial pre-exposure prophylaxis of carry out of emphasis.
Description
Technical field
This application involves Public Health Technology field, in particular to a kind of method for lowering rabies prevention and control cost.
Background technique
Rabies are the Zoonosis central nervous system infectious diseases as caused by hydrophobin, are that the mankind are only so far
One case fatality rate is up to 100% acute infectious disease, currently, China is still to be endangered one of country the most serious by rabies,
Rabies death toll is only second to India, occupies the whole world second.And in economically developed North America and European Region, almost
Control rabies.
Rabies are the preventible diseases of vaccine, and post-exposure prophylaxis disposition can effectively prevent rabies morbidity, but expose
Prevention costs is expensive afterwards, and the post-exposure prophylaxis of III degree resurrectionist's performance specification is disposed about needs 1200 yuan altogether, post-exposure prophylaxis at
This is higher.The annual rabies vacciness usage amount in China is about ten thousand person-portion of 1200-1500, and direct cost is about hundred million yuan of 35-50, gives me
State causes heavy financial burden, and occupies a large amount of health resources.With it is simple receive post-exposure prophylaxis compared with, received
The individual of pre-exposure prophylaxis only needs to be inoculated with booster injection in 1 year after exposure, and therefore, preventing the expense occurred reduces, and can
Prevent exposure inconspicuous.
With the high speed development of computer technology, information technology, biotechnology, Spatial Information Technology and systematic growth are geographical
It learns analytical technology constantly to be promoted in terms of monitoring of infectious disease, prevention, gradually become in Prevention of Infectious Diseases research
Important technology, while being also our the clear rabic diffusion situation in China, it is the system of rabic prevention and control specific aim strategy
Fixed and implementation provides foundation.
Based on above-mentioned cognition, under the premise of not deteriorating Rabies situation, providing one kind can be effectively reduced mad dog
The method of sick prevention cost mitigates thus bring financial burden and a large amount of public health resources of release.
Summary of the invention
In view of the above problems, the present invention provides a kind of methods for reducing rabies prevention and control cost using spatial information.This
Invention combines the spatial information data of existing rabies data with existing and CROSS REFERENCE to rabic main epidemic situation district occurred frequently
Domain is accurately prejudged, and takes human intervention in advance, reduces prevention and control cost.
The method that the present invention reduces rabies prevention and control cost using spatial information, comprising steps of
Step 1: transferring local rabies cases data, and obtain the phase in hydrophobe's morbidity for the previous period
Close activity trajectory data；
Step 2: to the correlated activation track data category filter, and excavating possible anchor point；
Step 3: semantization being carried out to the anchor point in conjunction with space road net data, and is fitted by anchor point density, is obtained
High risk zone out；
Step 4: the high risk zone of the above results is intervened.
Further, step 1 a period of time is determined according to rabic incubation period, can be three months；The phase
Closing activity trajectory data can be traffic GPS information altogether (including taxi track data, bus brushing card data, drop drop, Divine Land
The shared trip data such as special train, OFO, the public transport such as high-speed rail, aircraft), data in mobile phone, bank card swiping card data etc..
Further, correlated activation data screening described in step 2 includes the rejecting to partial redundance data, such as is sampled
Time and storage time differ greatly, and coordinate is located at unreasonable range etc..
Further, step 2 further comprises
Step 2.1: clustering processing being carried out to the location point in track using a kind of improved temporal clustering algorithm, from cluster
As a result characteristic point is extracted in；
Step 2.2: being handled for characteristic point using the polymerization of improved density, obtain main anchor point.
Further, step 2.1: the location point in track being carried out at cluster using a kind of improved temporal clustering algorithm
Reason, extracts characteristic point from cluster result；The innovatory algorithm introduces distance scale during being based on time aggregation, when passing through
Between and distance parameter setting, it is possible to prevente effectively from due to a series of negative mistakes such as dropout, discontinuous, the positioning delays of acquisition
Clustering precision can be improved in difference.
Wherein, CC and LC is respectively indicated when itself and previous cluster, introduces d simultaneously during temporal clusteringdistance, such as
Fruit is calculated by the time and is unable to get suitable cluster, the centre distance currently clustered is calculated, if it is less than ddistance, then should
Current cluster is added in characteristic point.Otherwise, while time interval and distance are calculated, time interval is greater than threshold value and distance is less than rationally
Upper limit value directly merges two clusters, as a characteristic point.The precision of cluster can be improved by above-mentioned innovatory algorithm.
Step 2.2: being handled for characteristic point using the polymerization of improved density, obtain main anchor point.
For all set of characteristic points, the application uses further polymerization process, obtains main anchor point data, with
This basis as Risk zone division, and the anchor point between different the infecteds carries out clustering, this Type of Collective is using closing on
Point directly merges the two, if an anchor point is located at the first cluster and has positioned at the second cluster so as to improve risk
The precision of region division.
Step 3: semantization being carried out to the anchor point in conjunction with space road net data, and is fitted by anchor point density, is obtained
High risk zone out.It is directly logical in conjunction with the semantic statement of rabies cases and from map datum manufacturer, such as Amap
Purchase is crossed to obtain POI and take keyword and the GIS database by using customization.Semantization is carried out to main anchor point, selects area
It is all to relevant geographical location in domain, such as pet shop, pet clinic, receiving station, with the application field with realistic meaning
Data and environmental geography background data are shown by spaces union, realize that geographical position semantic makes label substance and mad dog
Disease is closely related.
Then it is directed to main anchor point, N number of anchor point within the t period carries out a little respectively as input element and neighbouring element
The neighbor analysis of distance is found out, the distance of any two anchor point, screens anchor point i and therewith apart from shortest m anchor point, and find out
Distance average L, whereinWherein dij is anchor point i at a distance from j anchor point in m anchor point, and L is the length of anchor point i, phase
It is spatially defined centered on anchor point i when in anchor point i and m anchor point, L is the border circular areas of radius, and space density can
To be expressed asWherein for the size of ρ not only with L in relation to also related with m and d, size can indicate mad in the anchor point region
The incidence rate of dog disease, can be for the region that ρ is certain support as high risk zone.
Step 4: the high risk zone of the above results being intervened ahead of time, reduces rabic disease incidence, targetedly
Prevention and control are carried out, prevention and control cost is lowered.
Beneficial effects of the present invention obtain main anchor point, by using space by analyzing related data
Density model predicts the region of morbidity, can accurately extract high risk zone, accomplishes key area emphasis people to prevention
Group effectively reduces public finance burden, reduces prevention cost.And in the extraction to anchor point, by room and time mostly because
Element considers, effectively prevents initial data bring error, improves the precision of prediction.
Detailed description of the invention
Fig. 1 is flow chart of the method for the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention method for reducing rabies prevention and control cost using spatial information is provided, comprising steps of
Step 1: transferring local rabies cases data, and obtain the phase in hydrophobe's morbidity for the previous period
Close activity trajectory data；Wherein a period of time is determined according to rabic incubation period, can be three months；It is described related living
Dynamic track data can (including taxi track data, bus brushing card data, drop drop, Divine Land be special for traffic GPS information altogether
The shared trip data such as vehicle, OFO, the public transport such as high-speed rail, aircraft), data in mobile phone, bank card swiping card data etc..
Step 2: to the correlated activation track data category filter, and excavating possible anchor point；State correlated activation data
Screening includes the rejecting to partial redundance data, such as sampling time and storage time differ greatly, and coordinate is located at unreasonable model
It encloses.
Further comprise step 2.1: the location point in track being clustered using a kind of improved temporal clustering algorithm
Processing, extracts characteristic point from cluster result；The innovatory algorithm introduces distance scale during being based on time aggregation, passes through
The parameter setting of time and distance, it is possible to prevente effectively from due to a series of negative mistakes such as dropout, discontinuous, the positioning delays of acquisition
Clustering precision can be improved in difference.It can specifically be calculated with process such as under type:
Wherein, CC and LC is respectively indicated when itself and previous cluster, introduces d simultaneously during temporal clusteringdistance, such as
Fruit is calculated by the time and is unable to get suitable cluster, the centre distance currently clustered is calculated, if it is less than ddistance, then should
Current cluster is added in characteristic point.Otherwise, while counting period and distance, interval are greater than threshold distance and are less than minimum value, directly close
And two clusters, as a characteristic point.The precision of cluster can be improved by above-mentioned innovatory algorithm.
Step 2.2: being handled for characteristic point using the polymerization of improved density, obtain main anchor point.
For all set of characteristic points, the application uses further polymerization process, obtains main anchor point data, with
This basis as Risk zone division, and the anchor point between different the infecteds carries out clustering, and risk zones can be improved
The precision of division, specific cluster process are as follows:
Wherein, the main set of characteristic points that V clusters for above-mentioned improvement can by density clustering process
To obtain main anchor point data.
Step 3: semantization being carried out to the anchor point in conjunction with space road net data, and is fitted by anchor point density, is obtained
High risk zone out.It is directly logical in conjunction with the semantic statement of rabies cases and from map datum manufacturer, such as Amap
Purchase is crossed to obtain POI and take keyword and the GIS database by using customization.Semantization is carried out to main anchor point, selects area
It is all to relevant geographical location in domain, such as pet shop, pet clinic, receiving station, with the application field with realistic meaning
Data and environmental geography background data are shown by spaces union, realize that geographical position semantic makes label substance and mad dog
Disease is closely related.
Then it is directed to main anchor point, N number of anchor point within the t period carries out a little respectively as input element and neighbouring element
The neighbor analysis of distance is found out, the distance of any two anchor point, screens anchor point i and therewith apart from shortest m anchor point, and find out
Distance average L, whereinWherein dij is anchor point i at a distance from j anchor point in m anchor point, and L is the length of anchor point i, phase
It is spatially defined centered on anchor point i when in anchor point i and m anchor point, L is the border circular areas of radius, and space density can
To be expressed asWherein for the size of ρ not only with L in relation to also related with m and d, size can indicate mad in the anchor point region
The incidence rate of dog disease, can be for the region that ρ is certain support as high risk zone.
Step 4: the high risk zone of the above results being intervened ahead of time, reduces rabic disease incidence, targetedly
Prevention and control are carried out, prevention and control cost is lowered.
It is defendd before can carrying out exposure to the Susceptible population in relevant range, controls rabic breaks out.Such as connecing
Touch hydrophobin laboratory worker, may relate to hydrophobe management medical staff, hydrophobe it is close
Cut contactee, animal doctor, domestication of animals teacher and the agricultural college student for contacting relevant animal etc..In addition, for high risk zone
Children are immunized before should carrying out exposure.The vagrant dog of high risk zone is arrested, is freely immunized.
The propaganda work for improving relevant range forces dog domestic for relevant range to be immunized in terms of policy, improves
People carry out reasonable standard immunoprophylaxis for rabic cognition, for exposure patient in time, reinforce Rabies Prevention knowledge
Propaganda strength, reinforce the understanding that endanger rabies of the masses, enhance self method consciousness of the masses, educate broad masses as far as possible
The animals such as canine are avoided contact with, are characterized in summer.Epidemic monitoring and report mechanism are improved, suspects that rabid animals must report,
Dog case of hurting sb.'s feelings occurs must also report in time, and difficulty determines that hydrophobin carries dog only, carry out human destruction etc..The present invention
By the analysis of correlation space information data, can fast and effeciently determining high risk zone, timely and effectively carry out artificial
Intervene, avoids blindly random all-around defense, save a large amount of manpower, material resources and financial resources.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (7)
1. a kind of method for reducing rabies prevention and control cost using spatial information, which is characterized in that comprising steps of
Step 1: transferring local rabies cases data, and the correlation obtained in hydrophobe's morbidity for the previous period is living
Dynamic track data；
Step 2: to the correlated activation track data category filter, and excavating possible anchor point；
Step 3: semantization being carried out to the anchor point in conjunction with space road net data, and is fitted by anchor point density, obtains height
Risk zones；
Step 4: the high risk zone of the above results is intervened.
2. the method for reducing rabies prevention and control cost using spatial information as described in claim 1, which is characterized in that
A period of time of step 1 is specially three months.
3. the method for reducing rabies prevention and control cost using spatial information as described in claim 1, which is characterized in that
The correlated activation track data of step 1 includes being based on public transport GPS information and mobile communication information, bank card swiping card
Information.
4. the method for reducing rabies prevention and control cost using spatial information as described in claim 1, it is characterised in that
Step 2 further comprises
Step 2.1: clustering processing being carried out to the location point in track using a kind of improved temporal clustering algorithm, from cluster result
Middle extraction characteristic point；
Step 2.2: being handled for characteristic point using the polymerization of improved density, obtain main anchor point.
5. the method for reducing rabies prevention and control cost using spatial information as claimed in claim 4, wherein step 2.1 extracts spy
Sign point specific algorithm is as follows:
6. the method for reducing rabies prevention and control cost using spatial information as claimed in claim 5, wherein main described in step 2.2
Want the specific algorithm of anchor point as follows:
7. the method for reducing rabies prevention and control cost using spatial information as described in claim 1, wherein step 3 specifically:
It is acquired according to the density of anchor point in some regions, is acquired by the following formula:
Wherein
Wherein dij is anchor point i in m anchor point and at a distance from j anchor point, and L is the attribute length of anchor point i.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113096785A (en) * | 2021-04-09 | 2021-07-09 | 中南林业科技大学 | Epidemic situation period medical resource allocation method |
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Application publication date: 20190312 |