CN106289289A - Method and device is recommended on a kind of navigation purpose ground - Google Patents
Method and device is recommended on a kind of navigation purpose ground Download PDFInfo
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- CN106289289A CN106289289A CN201610576455.7A CN201610576455A CN106289289A CN 106289289 A CN106289289 A CN 106289289A CN 201610576455 A CN201610576455 A CN 201610576455A CN 106289289 A CN106289289 A CN 106289289A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/3453—Special cost functions, i.e. other than distance or default speed limit of road segments
- G01C21/3476—Special cost functions, i.e. other than distance or default speed limit of road segments using point of interest [POI] information, e.g. a route passing visible POIs
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/3453—Special cost functions, i.e. other than distance or default speed limit of road segments
- G01C21/3484—Personalized, e.g. from learned user behaviour or user-defined profiles
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Abstract
The present invention recommends method and device, method to include with providing navigation purpose: receives the interest point information of request end transmission and resolves, obtaining communication identifier list according to described point of interest；Obtain evaluation score and the proportionality coefficient of described evaluation score value of described communication identifier list Zhong Ge destination, calculate the first weight of each destination；Receive the positional information of request end；According to the distance proportion coefficient of communication identifier list Zhong Ge destination described in described positional information calculation, obtain distance weighting constant, calculate the second weight of each destination；The first weight according to described each destination and the second weight, calculate the comprehensive weight of described each destination；According to described comprehensive weight, described communication identifier list Zhong Ge destination is ranked up；Send the communication identifier list after described sequence to request end.Present invention achieves the preference selected according to user each destination is ranked up, facilitate user and select, it is provided that Consumer's Experience.
Description
Technical field
The present invention relates to vehicle mounted guidance technical field, recommend method and device with particularly relating to a kind of navigation purpose.
Background technology
Automobile has become the widely available vehicles, and the time that people spend on automobile also gets more and more, and automobile is several
Become the family of movement.Inter-vehicle information system (hereinafter referred to as car machine) has become the standard configuration of major part automobile at present, for
The trip of people provides a great convenience.The most a lot of car machines are all configured with navigation feature, and people can be guided to achieve the goal
Ground, moreover it is possible to inquire about point of interest by navigation map, such as, search the dining room of periphery, but, inquired about emerging at present by navigation feature
The when of interest point, it is typically all and according to the distance of distance, the concrete businessman meeting inquired about point of interest is arranged, and
Not accounting for the service quality of these concrete businessmans, therefore have no way of making a choice as car owner, Consumer's Experience is the best.
Summary of the invention
The present invention recommends method and device with providing a kind of navigation purpose, it is intended to solve defect of the prior art, it is achieved
According to the preference that user selects, each destination is ranked up, facilitates user and select, it is provided that Consumer's Experience.
For reaching above-mentioned purpose, the technical solution used in the present invention is:
One aspect of the present invention provides a kind of navigation purpose ground to recommend method, including:
Receive the interest point information of request end transmission and resolve, obtaining communication identifier list according to described point of interest；
Obtain evaluation score and the proportionality coefficient of described evaluation score value of described communication identifier list Zhong Ge destination, calculate each
First weight of destination；
Receive the positional information of request end；
According to the distance proportion coefficient of communication identifier list Zhong Ge destination described in described positional information calculation, obtain distance power
Weight constant, calculates the second weight of each destination；
The first weight according to described each destination and the second weight, calculate the comprehensive weight of described each destination；
According to described comprehensive weight, described communication identifier list Zhong Ge destination is ranked up；
Send the communication identifier list after described sequence to request end.
Specifically, the evaluation score of described acquisition described communication identifier list Zhong Ge destination and the ratio of described evaluation score value
Coefficient, the step of the first weight calculating each destination includes:
In service end, destination's history evaluation score data storehouse is set；
Service end receives the destination history evaluation score value S of request endA, it is saved in described evaluation history data base；
On the basis of current date, obtain the history evaluation score value S in preset duration N daysi；
Calculate the history evaluation score value S in preset duration N daysiCorresponding proportionality coefficient αi；
According to described evaluation score value SiAnd the proportionality coefficient α of correspondenceiCalculate the first weight W1i；
Specifically, described proportionality coefficientFirst weight
Specifically, described according to the distance proportion system of communication identifier list Zhong Ge destination described in described positional information calculation
Number, obtains distance weighting constant, and the step of the second weight calculating each destination includes:
Obtain described communication identifier list Zhong Ge destination and ultimate range Lmax of position, request end, and minimum range
Lmin；
Distance L according to destination Yu position, request endiComputed range proportionality coefficient βi；
Full marks value according to described evaluation score value determines distance weighting constant γ；
According to described distance weighting constant γ and computed range proportionality coefficient βiCalculate the second weight W2i；
Specifically, described distance proportion factor betai=e{1-[(Lmax-Lmin)/(Lmax-Li)]}, in formula, e is natural constant；Second power
Weight W2i=γ * βi。
Specifically, described comprehensive weight is multiplied by the first weight proportion coefficient equal to the first weight and the second weight is multiplied by second
Weight proportion coefficient sum.
Further, the communication identifier list after the described sequence of described transmission also includes after the step of request end:
The destination information selected according to request end, calculates guidance path, and sends described guidance path to described request
End, navigates according to described guidance path in described request end.
Another aspect of the present invention provides a kind of navigation purpose ground recommendation apparatus, including inter-vehicle information system with navigate online and be
System, described inter-vehicle information system includes that point of interest input module, point of interest request module, position sending module, destination show
Module, the first communication module；Described online navigation system includes point of interest parsing module, point of interest search module, location resolution
Module, recommendation degree computing module, destination's sending module, history evaluation score data storehouse, the second communication module；
Described point of interest input module, for receiving the interest point information of user's input；
Described point of interest request module, is used for sending interest point information；
Described position sending module, for sending the current location information of request end；
Described destination display module, for showing the communication identifier list that service end sends；
Described first communication module, carries out communication for request end with service end and is connected；
Described point of interest parsing module, the interest point information sent for analysis request end；
Described point of interest search module, for searching for destination according to interest point information；
Described location resolution module, the current location information sent for analysis request end；
Described recommendation degree computing module, for calculating the recommendation degree of each destination, including the first weight module, the second weight
Module, comprehensive weight module；Described first weight module, for calculating the recommendation degree of each destination according to history evaluation score value；
Described second weight module calculates the recommendation degree of each destination according to distance；Described comprehensive weight module is according to described first weight
Calculated first weight of module and calculated second weight of the second weight module, and both proportionality coefficients, meter
The combined recommendation degree of Suan Ge destination, and according to recommendation degree, each destination is ranked up；
Described destination sending module, for being sent to request end by the destination information after sequence；
Described history evaluation score data storehouse, for storing the history evaluation score value of each destination；
Described second communication module, is connected with request end communication for service end.
Further, described inter-vehicle information system also includes that destination selects module, navigation module.
Further, described inter-vehicle information system also includes that path parsing module, described online navigation system also include leading
Bit path computing module, guidance path sending module.
The beneficial effects of the present invention is: the present invention obtains each mesh by obtaining the history evaluation score value of each destination
First weight on ground, by the distance of request end and each destination thus obtain the second weight of each destination, and then obtain
The comprehensive weight of each destination, it is achieved that be ranked up each destination according to the preference that user selects, facilitates user and selects,
Provide Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the structural representation of the navigation purpose ground recommendation apparatus of the present invention；
Fig. 2 is another structural representation of the navigation purpose ground recommendation apparatus of the present invention；
Fig. 3 is the another structural representation of the navigation purpose ground recommendation apparatus of the present invention.
Detailed description of the invention
The most specifically illustrating embodiments of the present invention, accompanying drawing is only for reference and explanation uses, and it is right not constitute
The restriction of scope of patent protection of the present invention.
On the one hand embodiments of the invention provide a kind of navigation purpose ground to recommend method, including:
S10. receive the interest point information of request end transmission and resolve, obtaining destination's row according to described point of interest
Table；
Such as, the interest point information that request end sends is " hotel ", and service end is right after receiving described interest point information
It resolves.Then, service end is with " hotel " as keyword, and in default region, (such as Beijing Xicheng District) is searched
Rope, meets destination's project of search condition in listing this region.
S20. evaluation score and the proportionality coefficient of described evaluation score value, the meter of described communication identifier list Zhong Ge destination are obtained
First weight of Suan Ge destination；
Specifically, the step of the first weight of each destination of described calculating includes:
S201. destination's history evaluation score data storehouse is set in service end；
S202. service end receives the destination history evaluation score value S of request endA, it is saved in described evaluation history data base
In；
When historic user destination consume after, in request end, destination is evaluated, evaluation can use 5 points system or
Person's ten point systems etc., after service end receives the evaluation score value of destination, are saved in described evaluation history data base.
S203., on the basis of current date, the history evaluation score value S in preset duration N days is obtainedi；
For example, it is possible to the evaluation score value S on the basis of current date, in obtaining 30 days0=4.9, S1=4.8, S2=
5.0……S29=3.8, S0Represent the evaluation score value on the same day (i.e. the 1st day), S1Represent the evaluation on the 1 day backward same day (i.e. the 2nd day)
Score value, by that analogy, S29Represent the mark on the 29 days backward same day (i.e. the 30th day).
S204. the history evaluation score value S in preset duration N days is calculatediCorresponding proportionality coefficient αi；
Due to the nearest evaluation score on the distance same day more can the quality of embodiment of evaluation, closer to truth, therefore its ratio
Example coefficient should be the highest；And the most remote evaluation score on the distance same day, its reference role risen is the lowest, therefore its proportionality coefficient
Also should be the lowest.N can be configured according to actual needs, typically takes N=10～60, it is preferable that N=30.
S205. according to described evaluation score value SiAnd the proportionality coefficient α of correspondenceiCalculate the first weight W1i；
S30. the positional information of request end is received；
In the specific implementation, positional information can be sent, also while sending interest point information by request end the most in the lump
Can be sending after interest point information upload location information again.
S40. according to the distance proportion coefficient of communication identifier list Zhong Ge destination described in described positional information calculation, obtain away from
From weight constant, calculate the second weight of each destination；
Specifically, the step of the second weight of each destination of described calculating includes:
S401. described communication identifier list Zhong Ge destination and ultimate range Lmax of position, request end are obtained, and minimum
Distance Lmin；
S402. according to distance L of destination Yu position, request endiComputed range proportionality coefficient βi；
βi=e{1-[(Lmax-Lmin)/(Lmax-Li)]}
In formula, e is natural constant.
S403. distance weighting constant γ is determined according to the full marks value of described evaluation score value；
In the specific implementation, described distance weighting constant γ equal to the full marks value of described evaluation score value, such as, evaluates score value
Full marks value be 5 points, then γ=5；If the full marks value of described evaluation score value is 10 points, then γ=10.
S404. according to described distance weighting constant γ and computed range proportionality coefficient βiCalculate the second weight W2i。
W2i=γ * βi
S50. according to the first weight and second weight of described each destination, the comprehensive weight of described each destination is calculated；
W=k1*W1i+k2*W2i
In formula, k1, k2 are respectively the first weight and the proportionality coefficient of the second weight, can set according to actual needs
Put.Such as, when only considering to evaluate score value, k1=1, k2=0 are taken；When only considering distance factor, k1=0, k2=1；Divide when evaluating
When value and distance are both needed to consider, then can be configured according to the weight proportion evaluating score value and distance, it is preferable that k1=k2=
0.5。
S60. according to described comprehensive weight, described communication identifier list Zhong Ge destination is ranked up；
S70. the communication identifier list after described sequence is sent to request end.
In one embodiment of the invention, also include after described step S70:
S80. the destination information selected according to request end, calculates guidance path, and sends described guidance path to described
Request end, navigates according to described guidance path in described request end.
As it is shown in figure 1, another aspect of the present invention provides a kind of navigation purpose ground recommendation apparatus, including inter-vehicle information system and
Online navigation system, described inter-vehicle information system include point of interest input module, point of interest request module, position sending module,
Destination's display module, the first communication module；Described online navigation system includes point of interest parsing module, point of interest search mould
Block, location resolution module, recommendation degree computing module, destination's sending module, history evaluation score data storehouse, the second communication mould
Block；
Described point of interest input module, for receiving the interest point information of user's input；
Described point of interest request module, is used for sending interest point information；
Described position sending module, for sending the current location information of request end；
Described destination display module, for showing the communication identifier list that service end sends；
Described first communication module, carries out communication for request end with service end and is connected；
Described point of interest parsing module, the interest point information sent for analysis request end；
Described point of interest search module, for searching for destination according to interest point information；
Described location resolution module, the current location information sent for analysis request end；
Described recommendation degree computing module, for calculating the recommendation degree of each destination, including the first weight module, the second weight
Module, comprehensive weight module；Described first weight module, for calculating the recommendation degree of each destination according to history evaluation score value；
Described second weight module calculates the recommendation degree of each destination according to distance；Described comprehensive weight module is according to described first weight
Calculated first weight of module and calculated second weight of the second weight module, and both proportionality coefficients, meter
The combined recommendation degree of Suan Ge destination, and according to recommendation degree, each destination is ranked up；
Described destination sending module, for being sent to request end by the destination information after sequence；
Described history evaluation score data storehouse, for storing the history evaluation score value of each destination；
Described second communication module, is connected with request end communication for service end.
The work process of the navigation purpose ground recommendation apparatus of the present invention is:
Inter-vehicle information system (request end) is by the second communication of the first communication module with online navigation system (service end)
Module is set up and is connected, and point of interest input module receives the interest point information of user's input, and such as " hotel ", region is " West Beijing
City ", described interest point information is sent to online navigation system by point of interest request module, and position sending module is by on-vehicle information
The current location of system is sent to online navigation system；
Online navigation system receives the interest point information that inter-vehicle information system sends, and is solved by point of interest parsing module
Analysis, then obtains communication identifier list by point of interest search module according to described point of interest, and the first weight module is from history evaluation
Score data storehouse is read the evaluation score value S in preset duration N days of described communication identifier list Zhong Ge destinationi, then described
History evaluation score value SiCorresponding proportionality coefficient αi, specific formula for calculation is:
Further according to described evaluation score value SiAnd the proportionality coefficient α of correspondenceiCalculate the first weight W1i, specific formula for calculation is:
The current location information of the request end that the second weight computation module obtains according to location resolution module obtains described mesh
Ultimate range Lmax of ground list Zhong Ge destination and position, request end, and minimum range Lmin, according to destination with please
Seek the distance Li computed range proportionality coefficient β of end positioni, specific formula for calculation is:
βi=e{1-[(Lmax-Lmin)/(Lmax-Li)]}
Full marks value further according to described evaluation score value determines distance weighting constant γ, then according to described distance weighting constant
γ and computed range proportionality coefficient βiCalculate the second weight W2i, specific formula for calculation is:
W2i=γ * βi
Comprehensive weight module, according to the first weight of described each destination and the second weight, calculates combining of described each destination
Closing weight, specific formula for calculation is:
W=k1*W1i+k2*W2i
In formula, k1, k2 are respectively the first weight and the proportionality coefficient of the second weight, can set according to actual needs
Put；
Described communication identifier list Zhong Ge destination is ranked up by comprehensive weight module according to described comprehensive weight, destination
Sending module sends the communication identifier list after described sequence to request end；
Inter-vehicle information system receives the communication identifier list after the sequence that online navigation system sends, and shows mould by destination
Block resolves and shows.
As in figure 2 it is shown, in one embodiment of the invention, described inter-vehicle information system also includes that destination selects mould
Block, navigation module.
User selects module to select a certain destination in described communication identifier list by destination, and is sent to the mould that navigates
Block navigates, and further increases Consumer's Experience.
As it is shown on figure 3, in one embodiment of the invention, described inter-vehicle information system also includes path parsing module,
Described online navigation system also includes guidance path computing module, guidance path sending module.
The destination information that online navigation system selects according to request end, is led in line computation by guidance path computing module
Bit path, and send described guidance path extremely described request end, guidance path is entered by described request end by path parsing module
Row resolves, and then described guidance path is sent to described navigation module and navigates.By path calculation module is arranged on
Service end, can reduce the system structure of request end further, reduces cost.
Above disclosed only presently preferred embodiments of the present invention, it is impossible to limit the rights protection model of the present invention with this
Enclose, the equivalent variations therefore made according to scope of the present invention patent, still belong to the scope that the present invention is contained.
Claims (10)
1. method is recommended on a navigation purpose ground, it is characterised in that including:
Receive the interest point information of request end transmission and resolve, obtaining communication identifier list according to described point of interest；
Obtain evaluation score and the proportionality coefficient of described evaluation score value of described communication identifier list Zhong Ge destination, calculate each purpose
First weight on ground；
Receive the positional information of request end；
According to the distance proportion coefficient of communication identifier list Zhong Ge destination described in described positional information calculation, obtain distance weighting normal
Number, calculates the second weight of each destination；
The first weight according to described each destination and the second weight, calculate the comprehensive weight of described each destination；
According to described comprehensive weight, described communication identifier list Zhong Ge destination is ranked up；
Send the communication identifier list after described sequence to request end.
Method is recommended on navigation purpose the most according to claim 1 ground, it is characterised in that the described communication identifier list of described acquisition
The evaluation score of Zhong Ge destination and the proportionality coefficient of described evaluation score value, calculate the step bag of the first weight of each destination
Include:
In service end, destination's history evaluation score data storehouse is set；
Service end receives the destination history evaluation score value S of request endA, it is saved in described evaluation history data base；
On the basis of current date, obtain the history evaluation score value S in preset duration N daysi；
Calculate the history evaluation score value S in preset duration N daysiCorresponding proportionality coefficient αi；
According to described evaluation score value SiAnd the proportionality coefficient α of correspondenceiCalculate the first weight W1i。
Method is recommended on navigation purpose the most according to claim 2 ground, it is characterised in that described proportionality coefficient
First weight
Method is recommended on navigation purpose the most according to claim 1 ground, it is characterised in that described according to described positional information meter
Calculate the distance proportion coefficient of described communication identifier list Zhong Ge destination, obtain distance weighting constant, calculate the second of each destination
The step of weight includes:
Obtain described communication identifier list Zhong Ge destination and ultimate range Lmax of position, request end, and minimum range Lmin；
Distance L according to destination Yu position, request endiComputed range proportionality coefficient βi；
Full marks value according to described evaluation score value determines distance weighting constant γ；
According to described distance weighting constant γ and computed range proportionality coefficient βiCalculate the second weight W2i。
Method is recommended on navigation purpose the most according to claim 4 ground, it is characterised in that described distance proportion factor betai=e{1 -[(Lmax-Lmin)/(Lmax-Li)]}, in formula, e is natural constant；Second weight W2i=γ * βi。
Method is recommended on navigation purpose the most according to claim 1 ground, it is characterised in that described comprehensive weight is equal to the first power
Heavily it is multiplied by the first weight proportion coefficient and the second weight is multiplied by the second weight proportion coefficient sum.
7. recommend method according to the navigation purpose described in any one of claim 1～6, it is characterised in that in described transmission institute
State the communication identifier list after sequence also to include after the step of request end:
The destination information selected according to request end, calculates guidance path, and sends described guidance path extremely described request end, institute
State request end to navigate according to described guidance path.
8. a navigation purpose ground recommendation apparatus, it is characterised in that including: inter-vehicle information system and online navigation system, described
Inter-vehicle information system include point of interest input module, point of interest request module, position sending module, destination's display module,
One communication module；Described online navigation system includes point of interest parsing module, point of interest search module, location resolution module, pushes away
Degree of recommending computing module, destination's sending module, history evaluation score data storehouse, the second communication module；
Described point of interest input module, for receiving the interest point information of user's input；
Described point of interest request module, is used for sending interest point information；
Described position sending module, for sending the current location information of request end；
Described destination display module, for showing the communication identifier list that service end sends；
Described first communication module, carries out communication for request end with service end and is connected；
Described point of interest parsing module, the interest point information sent for analysis request end；
Described point of interest search module, for searching for destination according to interest point information；
Described location resolution module, the current location information sent for analysis request end；
Described recommendation degree computing module, for calculating the recommendation degree of each destination, including the first weight module, the second weight mould
Block, comprehensive weight module；Described first weight module, for calculating the recommendation degree of each destination according to history evaluation score value；Institute
State the second weight module and calculate the recommendation degree of each destination according to distance；Described comprehensive weight module is according to described first weight mould
Calculated first weight of block and calculated second weight of the second weight module, and both proportionality coefficients, calculate
The combined recommendation degree of each destination, and according to recommendation degree, each destination is ranked up；
Described destination sending module, for being sent to request end by the destination information after sequence；
Described history evaluation score data storehouse, for storing the history evaluation score value of each destination；
Described second communication module, is connected with request end communication for service end.
Navigation purpose the most according to claim 8 ground recommendation apparatus, it is characterised in that described inter-vehicle information system also includes
Destination selects module, navigation module.
Navigation purpose the most according to claim 9 ground recommendation apparatus, it is characterised in that described inter-vehicle information system also wraps
Including path parsing module, described online navigation system also includes guidance path computing module, guidance path sending module.
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| CN107014385A (en) * | 2017-04-13 | 2017-08-04 | 安徽省沃瑞网络科技有限公司 | A kind of self-service navigation system in cell house positioned based on the Big Dipper |
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| CN110825982A (en) * | 2018-08-14 | 2020-02-21 | 大众汽车（中国）投资有限公司 | Method and apparatus for providing point of interest information |
| CN111527490A (en) * | 2017-12-27 | 2020-08-11 | 日产自动车株式会社 | Destination suggestion system, suggestion device and suggestion method |
| CN111831899A (en) * | 2019-09-24 | 2020-10-27 | 北京嘀嘀无限科技发展有限公司 | Navigation interest point recommendation method and device and server |
| CN113050856A (en) * | 2021-03-23 | 2021-06-29 | 北京嘀嘀无限科技发展有限公司 | Interaction method, interaction device, storage medium and electronic equipment |
| CN114118582A (en) * | 2021-11-29 | 2022-03-01 | 中国第一汽车股份有限公司 | Destination prediction method, destination prediction device, electronic terminal and storage medium |
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