CN104135718A - Position information obtaining method and device - Google Patents
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- CN104135718A CN104135718A CN201410404057.8A CN201410404057A CN104135718A CN 104135718 A CN104135718 A CN 104135718A CN 201410404057 A CN201410404057 A CN 201410404057A CN 104135718 A CN104135718 A CN 104135718A
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- position candidate
- candidate information
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Abstract
The embodiment of the invention provides a position information obtaining method. The position information obtaining method comprises the steps that according to M pieces of candidate position information and a historical positioning record of a terminal, positioning data for each piece of candidate position information are obtained, wherein the M is an integer larger than one; according to heat information of each piece of candidate position information, N pieces of candidate position information are selected from the M pieces of candidate position information as the target position information, and the target position information is used for determining the establishment position of an interest point, wherein the N is an integer smaller than or equal to M. The embodiment of invention further provides a position information obtaining device. According to the technical scheme, reliability of an obtained position can be improved.
Description
[technical field]
The present invention relates to field of locating technology, relate in particular to a kind of acquisition methods and device of positional information.
[background technology]
At present, in the time need to setting up a new point of interest (Point of Interest, POI), as set up new trade company, basis instrument, road, base station or hotspot, need to select a suitable geographical position for point of interest to be set up.
In prior art, for point of interest to be set up, selecting the method in geographical position is: manually to position candidate investigate, on-the-spot investigation, contrast with reference to operations such as similar points of interest, then according to finding, investigation result, comparing result etc., consider, in candidate geographical position, select a geographical position to be used for setting up point of interest.Yet, during due to artificial selection geographical position, lack objective data as selecting foundation, cause the reliability in the current geographical position obtaining lower.
[summary of the invention]
In view of this, the embodiment of the present invention provides a kind of acquisition methods and device of positional information, can realize and improve the reliability that obtains position.
The embodiment of the present invention provides a kind of acquisition methods of positional information, comprising:
According to the historical position the record of M position candidate information and terminal, obtain the locator data for position candidate information described in each, M is greater than 1 integer;
According to the described locator data for position candidate information described in each, obtain the temperature information of position candidate information described in each;
Temperature information according to position candidate information described in each, from described M position candidate information, select N position candidate information, using as target position information, described target position information is for determining the position of setting up of point of interest, and N is the positive integer that is less than or equal to M.
In said method, the described historical position the record according to M position candidate information and terminal, obtains the locator data for position candidate information described in each, comprising:
According to the historical position the record of described terminal, obtain the historical position the record for the terminal of position candidate information described in each, the historical position the record of described terminal comprises location constantly and corresponding positional information;
Obtain the historical position the record of the interior terminal for position candidate information described in each of at least one default time period;
Historical position the record according to the interior terminal for position candidate information described in each of described at least one time period, obtains the location number of times for position candidate information described in each, usings as described locator data.
In said method, for the locator data of position candidate information described in each, obtain the temperature information of position candidate information described in each described in described foundation, comprising:
Historical position the record according to the interior terminal for position candidate information described in each of described at least one time period, obtains the mean value for the location number of times of position candidate information described in each;
According to the mean value for the location number of times of position candidate information described in each, obtain the temperature information of position candidate information described in each.
In said method, described foundation is for the mean value of the location number of times of position candidate information described in each, obtains the temperature information of position candidate information described in each, comprising:
Utilize following formula to obtain the temperature information of position candidate information described in each:
Wherein, H
ithe temperature information that represents i position candidate information, the value of i is the integer in 1 to M; V
iexpression is for the mean value of the location number of times of i position candidate information; V
minrepresent that foundation is for the minimum value of the mean value of the mean value acquisition of the location number of times of position candidate information described in each; V
maxrepresent that foundation is for the maximum of the mean value of the mean value acquisition of the location number of times of position candidate information described in each; β represents default normalization coefficient.
In said method, the described temperature information according to position candidate information described in each is selected N position candidate information from described M position candidate information, usings as target position information, comprising:
Temperature information according to position candidate information described in each, according to the descending order of temperature information, described M position candidate information is sorted, to obtain ranking results, obtain N forward position candidate information of rank in described ranking results, using as target position information; Or,
According to the temperature information of position candidate information described in each and default heat degree threshold, the temperature information in described M position candidate information of obtaining is greater than or equal to N position candidate information of described heat degree threshold, usings as target position information.
In said method, the described temperature information according to position candidate information described in each is selected N position candidate information from described M position candidate information, usings as target position information, comprising:
According to the first weighted value of position candidate information described in the temperature information of position candidate information described in each and default each, obtain the second weighted value of position candidate information described in each;
According to the descending order of the second weighted value, described M position candidate information is sorted, to obtain ranking results, obtain N forward position candidate information of rank in described ranking results, using as target position information; Or, according to the second weighted value of position candidate information described in each and default weight threshold, obtain N the position candidate information that the second weighted value in described M position candidate information is greater than or equal to described weight threshold, using as target position information.
The embodiment of the present invention also provides a kind of acquisition device of positional information, comprising:
Data capture unit, for the historical position the record according to M position candidate information and terminal, obtains the locator data for position candidate information described in each, and M is greater than 1 integer;
Temperature acquiring unit, for according to the described locator data for position candidate information described in each, obtains the temperature information of position candidate information described in each;
Information selecting section, for the temperature information according to position candidate information described in each, from described M position candidate information, select N position candidate information, using as target position information, described target position information is for determining the position of setting up of point of interest, and N is the positive integer that is less than or equal to M.
In said apparatus, described data capture unit, specifically for:
According to the historical position the record of described terminal, obtain the historical position the record for the terminal of position candidate information described in each, the historical position the record of described terminal comprises location constantly and corresponding positional information;
Obtain the historical position the record of the interior terminal for position candidate information described in each of at least one default time period;
Historical position the record according to the interior terminal for position candidate information described in each of described at least one time period, obtains the location number of times for position candidate information described in each, usings as described locator data.
In said apparatus, described temperature acquiring unit, specifically for:
Historical position the record according to the interior terminal for position candidate information described in each of described at least one time period, obtains the mean value for the location number of times of position candidate information described in each;
According to the mean value for the location number of times of position candidate information described in each, obtain the temperature information of position candidate information described in each.
In said apparatus, described foundation is for the mean value of the location number of times of position candidate information described in each, and the temperature information of position candidate information described in each that obtains is specially:
Utilize following formula to obtain the temperature information of position candidate information described in each:
Wherein, H
ithe temperature information that represents i position candidate information, the value of i is the integer in 1 to M; V
iexpression is for the mean value of the location number of times of i position candidate information; V
minrepresent that foundation is for the minimum value of the mean value of the mean value acquisition of the location number of times of position candidate information described in each; V
maxrepresent that foundation is for the maximum of the mean value of the mean value acquisition of the location number of times of position candidate information described in each; β represents default normalization coefficient.
In said apparatus, described information selecting section, specifically for:
Temperature information according to position candidate information described in each, according to the descending order of temperature information, described M position candidate information is sorted, to obtain ranking results, obtain N forward position candidate information of rank in described ranking results, using as target position information; Or,
According to the temperature information of position candidate information described in each and default heat degree threshold, the temperature information in described M position candidate information of obtaining is greater than or equal to N position candidate information of described heat degree threshold, usings as target position information.
In said apparatus, described information selecting section, specifically for:
According to the first weighted value of position candidate information described in the temperature information of position candidate information described in each and default each, obtain the second weighted value of position candidate information described in each;
According to the descending order of the second weighted value, described M position candidate information is sorted, to obtain ranking results, obtain N forward position candidate information of rank in described ranking results, using as target position information; Or, according to the second weighted value of position candidate information described in each and default weight threshold, obtain N the position candidate information that the second weighted value in described M position candidate information is greater than or equal to described weight threshold, using as target position information.
As can be seen from the above technical solutions, the embodiment of the present invention has following beneficial effect:
In the technical scheme that the embodiment of the present invention provides, can obtain the locator data of each position candidate information, then the locator data according to position candidate information obtains temperature information, finally according to temperature information, select target position information, with in prior art by artificial according to finding, investigate result, comparing results etc. carry out the method for geographical location choice and compare, temperature information in the embodiment of the present invention is that the historical position the record of the objective terminal of foundation obtains, make the target position information that obtains more objective, more accurate, therefore can improve the reliability of obtaining positional information.
The technical scheme that the embodiment of the present invention provides, server can carry out automatically choosing of target position information according to historical position the record and the position candidate information of terminal, compare with the method for manually choosing geographical position in prior art, can improve the efficiency of obtaining in geographical position, reduce procurement cost.
[accompanying drawing explanation]
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the system schematic that the technical scheme that provides of the embodiment of the present invention is used;
Fig. 2 is the schematic flow sheet of the acquisition methods of the positional information that provides of the embodiment of the present invention;
Fig. 3 is the functional block diagram of the acquisition device of the positional information that provides of the embodiment of the present invention.
[embodiment]
Technical scheme for a better understanding of the present invention, is described in detail the embodiment of the present invention below in conjunction with accompanying drawing.
Should be clear and definite, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
The term using is in embodiments of the present invention only for the object of describing specific embodiment, but not is intended to limit the present invention." a kind of " of the singulative using in the embodiment of the present invention and appended claims, " described " and " being somebody's turn to do " are also intended to comprise most forms, unless context clearly represents other implications.
Should be appreciated that term "and/or" used herein is only a kind of incidence relation of describing affiliated partner, can there are three kinds of relations in expression, and for example, A and/or B, can represent: individualism A exists A and B, these three kinds of situations of individualism B simultaneously.In addition, character "/", generally represents that forward-backward correlation is to liking a kind of relation of "or" herein.
Although should be appreciated that and may adopt in embodiments of the present invention first, second grade of term to describe weighted value, these weighted values should not be limited to these terms.These terms are only used for weighted value to be distinguished from each other out.For example, in the situation that not departing from embodiment of the present invention scope, the first weighted value also can be called as the second weighted value, and similarly, the second weighted value also can be called as the first weighted value.
Depend on linguistic context, as used in this word " if " can be construed as into " ... time " or " when ... time " or " in response to determine " or " in response to detecting ".Similarly, depend on linguistic context, phrase " if determining " or " if detecting (the conditioned disjunction event of statement) " can be construed as " when definite " or " in response to determining " or " when detecting (the conditioned disjunction event of statement) " or " in response to detecting (the conditioned disjunction event of statement) ".
The system that the technical scheme that the embodiment of the present invention provides is used as shown in Figure 1, is mainly comprised of terminal and server, and the method and apparatus that the embodiment of the present invention provides is realized at server side.
Be understandable that, described terminal can comprise personal computer (Personal Computer, PC), notebook computer, mobile phone or panel computer.
The embodiment of the present invention provides a kind of acquisition methods of positional information, please refer to Fig. 2, the schematic flow sheet of the acquisition methods of the positional information that it provides for the embodiment of the present invention, and as shown in the figure, the method comprises the following steps:
S201, according to the historical position the record of M position candidate information and terminal, obtains the locator data for position candidate information described in each, and M is greater than 1 integer.
Concrete, first, server can, according to the historical position the record of terminal, obtain the historical position the record for the terminal of each position candidate information in M position candidate information.
Wherein, the historical position the record of terminal can comprise location constantly and corresponding positional information (x, y).
Wherein, M is greater than 1 integer.
Wherein, M position candidate information can be for setting in advance.For example, can from the position candidate information of recommending, select M position candidate information by user.
It should be noted that, for the historical position the record of the terminal of position candidate information, refer to the historical position the record that the indicated position of positional information comprising is positioned at scope corresponding to position candidate information.
For example, the shape of the Forbidden City is a rectangle, so the range information of the Forbidden City can be according to the coordinate (x on four summits
1, y
1), (x
2, y
2), (x
3, y
3) and (x
4, y
4) obtain, if certain terminal has the positional information (x comprising in a historical position the record
0, y
0) indicated position is positioned at above-mentioned four determined scopes of coordinate, just thinks that this history position the record is the historical position the record for position candidate information " the Forbidden City ".
Again for example, for certain position candidate information, can obtain the positional information comprising and be and this position candidate information between distance be less than or equal to the historical position the record of 500 meters.
Again for example, for certain position candidate information, range information that can be using the range information in this position candidate information place street as this position candidate information.
Then, server obtains the historical position the record of the interior terminal for position candidate information described in each of at least one default time period.
Wherein, the described time period can comprise annual, per season, monthly, every day or per hour etc.
For example, take every day as unit, can obtain in nearest a period of time the historical position the record in every day for i position candidate information in M position candidate information.
Again for example, obtain interior each time period of nearest a period of time for the historical position the record of each position candidate information.As the time period comprises 0 point～6 point, 6 point～11 points,, 14 point～18 points, at 11 o'clock to 14 o'clock at 18 o'clock to 24 o'clock, obtain in nearest a period of time the historical position the record for i position candidate information each time period in the above-mentioned time period in M position candidate information.
It should be noted that, the default time period can dynamically be adjusted according to the type of point of interest.For example, for the point of interest of breakfast shop type, need to obtain the interior position history record for each position candidate information of period in early morning; Again for example, for the point of interest of bar type, need to obtain the interior position history record for each position candidate information of evening and period in morning.Again for example, for the point of interest of scenic spot type, need to obtain each season for the position history record of each position candidate information.
Optionally, because the data volume of the historical position the record of terminal is very large, so in order to obtain fast the data that need, can set up spatial index according to the historical position the record of time dimension and terminal, thereby obtain the position history record of terminal corresponding to each time period.Like this, when needs obtain the historical position the record for the terminal of certain position candidate information, just can be according to the default time period, in spatial index, search, thereby can obtain the historical position the record of all terminals corresponding to this time period, and then according to position candidate information, from the historical position the record of all terminals corresponding to this time period, obtain the historical position the record for the terminal of this position candidate information.Therefore, can find out, by setting up spatial index, can reduce for the searching the time of the historical position the record of the terminal of position candidate information, improve search efficiency.
Finally, server can according in described at least one time period for the historical position the record of the terminal of position candidate information described in each, obtain in each time period, for the location number of times of position candidate information described in each, using this location number of times as described locator data.
S202, according to the described locator data for position candidate information described in each, obtains the temperature information of position candidate information described in each.
Concrete, server is within the time period described in obtaining each after the location number of times for position candidate information described in each, can according at least one time period for the historical position the record of the terminal of position candidate information described in each, obtain the mean value for the location number of times of position candidate information described in each.Then, server is according to the mean value for the location number of times of position candidate information described in each, obtains the temperature information of position candidate information described in each.
For example, according at 0 point～6 point, 6 point～11 points, 11 o'clock to 14 o'clock, 14 point～18 points, in 18 o'clock to 24 o'clock, in each time period, the location number of times for certain position candidate information adds up, the accumulated value obtaining, divided by 5, is obtained to the mean value for the location number of times of this position candidate information.
Again for example, by every day in nearest 30 days the location number of times for certain position candidate information add up, the cumulative sum obtaining, divided by 30, is obtained to the mean value for the location number of times of this position candidate information.
Illustrate, server is according to the mean value of the location number of times for each position candidate information, and the method that obtains the temperature information of each position candidate information can comprise:
Can utilize following formula to obtain the temperature information of position candidate information described in each:
Wherein, H
ithe temperature information that represents i position candidate information, the value of i is the integer in 1 to M.
Wherein, V
iexpression is for the mean value of the location number of times of i position candidate information.
Wherein, V
minrepresent that foundation is for the minimum value of the mean value of the mean value acquisition of the location number of times of position candidate information described in each, for each the position candidate information in M position candidate information, all obtain the mean value for the location number of times of this position candidate information, thereby can, by comparing the size of mean value, obtain the minimum value of mean value wherein.
Wherein, V
maxrepresent that foundation is for the maximum of the mean value of the mean value acquisition of the location number of times of position candidate information described in each, for each the position candidate information in M position candidate information, all obtain the mean value for the location number of times of this position candidate information, thereby can, by comparing the size of mean value, obtain the maximum of mean value wherein.
Wherein, β represents default normalization coefficient.For example, if the temperature informational needs of position candidate information in 0～100 scope, normalization coefficient β can equal 100.Again for example, if the temperature informational needs of position candidate information in 0～1000 scope, normalization coefficient β can equal 1000.Again for example, normalization coefficient β can also equal 1.
Understandable, by above-mentioned formula, can know, location number of times for position candidate information is more, the temperature information of position candidate information is larger, the flow of the people that represents the geographical position that this position candidate information is indicated is larger, in the indicated geographical position of this position candidate information, point of interest is set relatively good, therefore, in the embodiment of the present invention, temperature information select target positional information from numerous position candidate information according to position candidate information, and the historical position the record that temperature information is the objective terminal of foundation obtains, therefore, the target position information of selecting is more objective, more accurate, can improve the reliability of obtaining positional information.
S203, according to the temperature information of position candidate information described in each, from described M position candidate information, select N position candidate information, using as target position information, described target position information is for determining the position of setting up of point of interest, and N is the positive integer that is less than or equal to M.
Concrete, illustrate, server, according to the temperature information of position candidate information described in each, is selected N position candidate information from described M position candidate information, and the method for usining as target position information can comprise following four kinds:
The first: server is according to the temperature information of each position candidate information in M position candidate information, according to the descending order of temperature information, M position candidate information is sorted, to obtain ranking results, then obtain N forward position candidate information of rank in described ranking results, using this N position candidate information as target position information.
The second: server is according to the temperature information of each position candidate information and default heat degree threshold, temperature information and the heat degree threshold of each position candidate information are compared, thereby the temperature information in M position candidate information of can obtaining is greater than or equal to N position candidate information of heat degree threshold, using this N position candidate information as target position information.
The third: server is according to the first weighted value of the temperature information of each position candidate information and default each position candidate information, obtains the second weighted value of position candidate information described in each.
For example, server can utilize following formula to calculate the second weighted value of each position candidate information:
W
i＝H
i×α+w
i×γ
Wherein, W
ithe second weighted value that represents i position candidate information; H
ithe temperature information that represents i position candidate information; w
ithe first weighted value that represents i position candidate information; α is the first default tune weight factor, and γ is the second default tune weight factor.
Then, server, according to the descending order of the second weighted value, sorts to described M position candidate information, to obtain ranking results; Server obtains N forward position candidate information of rank in described ranking results, using this N position candidate information as target position information.
The 4th kind: server is according to the first weighted value of position candidate information described in the temperature information of position candidate information described in each and default each, obtain the second weighted value of position candidate information described in each.Then server is according to the second weighted value of position candidate information described in each and default weight threshold, the second weighted value and the weight threshold of each position candidate information are compared, thereby obtain N the position candidate information that the second weighted value in M position candidate information is greater than or equal to weight threshold, using this N position candidate information as target position information.
Wherein, N is the positive integer that is less than or equal to M.
Server, after obtaining target position information, can offer user by terminal by this target position information, so that the position of setting up of point of interest is provided for the target position information providing according to server.The technique scheme that the embodiment of the present invention provides goes for the position of multiple point of interest and selects scene, for example, the position of trade company is selected, and the position of basis instrument is selected, the position of newly-built road is selected, the position selection of base station or the position selection of hotspot etc.
The embodiment of the present invention further provides the device embodiment that realizes each step and method in said method embodiment.
Please refer to Fig. 3, the functional block diagram of the acquisition device of the positional information that it provides for the embodiment of the present invention.As shown in the figure, this device comprises:
Data capture unit 301, for the historical position the record according to M position candidate information and terminal, obtains the locator data for position candidate information described in each, and M is greater than 1 integer;
Temperature acquiring unit 302, for according to the described locator data for position candidate information described in each, obtains the temperature information of position candidate information described in each;
Information selecting section 303, for the temperature information according to position candidate information described in each, from described M position candidate information, select N position candidate information, using as target position information, described target position information is for determining the position of setting up of point of interest, and N is the positive integer that is less than or equal to M.
Preferably, described data capture unit 301, specifically for:
According to the historical position the record of described terminal, obtain the historical position the record for the terminal of position candidate information described in each, the historical position the record of described terminal comprises location constantly and corresponding positional information;
Obtain the historical position the record of the interior terminal for position candidate information described in each of at least one default time period;
Historical position the record according to the interior terminal for position candidate information described in each of described at least one time period, obtains the location number of times for position candidate information described in each, usings as described locator data.
Preferably, described temperature acquiring unit 302, specifically for:
Historical position the record according to the interior terminal for position candidate information described in each of described at least one time period, obtains the mean value for the location number of times of position candidate information described in each;
According to the mean value for the location number of times of position candidate information described in each, obtain the temperature information of position candidate information described in each.
Preferably, described foundation is for the mean value of the location number of times of position candidate information described in each, and the temperature information of position candidate information described in each that obtains is specially:
Utilize following formula to obtain the temperature information of position candidate information described in each:
Wherein, H
ithe temperature information that represents i position candidate information, the value of i is the integer in 1 to M; V
iexpression is for the mean value of the location number of times of i position candidate information; V
minrepresent that foundation is for the minimum value of the mean value of the mean value acquisition of the location number of times of position candidate information described in each; V
maxrepresent that foundation is for the maximum of the mean value of the mean value acquisition of the location number of times of position candidate information described in each; β represents default normalization coefficient.
Preferably, described information selecting section 303, specifically for:
Temperature information according to position candidate information described in each, according to the descending order of temperature information, described M position candidate information is sorted, to obtain ranking results, obtain N forward position candidate information of rank in described ranking results, using as target position information; Or,
According to the temperature information of position candidate information described in each and default heat degree threshold, the temperature information in described M position candidate information of obtaining is greater than or equal to N position candidate information of described heat degree threshold, usings as target position information.
Preferably, described information selecting section 303, specifically for:
According to the first weighted value of position candidate information described in the temperature information of position candidate information described in each and default each, obtain the second weighted value of position candidate information described in each;
According to the descending order of the second weighted value, described M position candidate information is sorted, to obtain ranking results, obtain N forward position candidate information of rank in described ranking results, using as target position information; Or, according to the second weighted value of position candidate information described in each and default weight threshold, obtain N the position candidate information that the second weighted value in described M position candidate information is greater than or equal to described weight threshold, using as target position information.
Due to the method for each unit in the present embodiment shown in can execution graph 2, the part that the present embodiment is not described in detail, can be with reference to the related description to Fig. 2.
The technical scheme of the embodiment of the present invention has following beneficial effect:
1, in the technical scheme that the embodiment of the present invention provides, can obtain the locator data of each position candidate information, then the locator data according to position candidate information obtains temperature information, finally according to temperature information, select target position information, with in prior art by artificial according to finding, investigate result, comparing results etc. carry out the method for geographical location choice and compare, temperature information in the embodiment of the present invention is that the historical position the record of the objective terminal of foundation obtains, make the target position information that obtains more objective, more accurate, therefore can improve the reliability of obtaining positional information.
2, the technical scheme that the embodiment of the present invention provides, server can carry out automatically choosing of target position information according to historical position the record and the position candidate information of terminal, compare with the method for manually choosing geographical position in prior art, can improve the efficiency of obtaining in geographical position, reduce procurement cost.
Those skilled in the art can be well understood to, for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.
In several embodiment provided by the present invention, should be understood that, disclosed system, apparatus and method, can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described unit, is only that a kind of logic function is divided, and during actual realization, can have other dividing mode, for example, a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.
The described unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in a plurality of network element.Can select according to the actual needs some or all of unit wherein to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form that also can adopt hardware to add SFU software functional unit realizes.
The integrated unit that the above-mentioned form with SFU software functional unit realizes, can be stored in a computer read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, comprise that some instructions are with so that a computer installation (can be personal computer, server, or network equipment etc.) or processor (Processor) carry out the part steps of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (Read-Only Memory, ROM), the various media that can be program code stored such as random access memory (Random Access Memory, RAM), magnetic disc or CD.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.
Claims (12)
1. an acquisition methods for positional information, is characterized in that, described method comprises:
According to the historical position the record of M position candidate information and terminal, obtain the locator data for position candidate information described in each, M is greater than 1 integer;
According to the described locator data for position candidate information described in each, obtain the temperature information of position candidate information described in each;
Temperature information according to position candidate information described in each, from described M position candidate information, select N position candidate information, using as target position information, described target position information is for determining the position of setting up of point of interest, and N is the positive integer that is less than or equal to M.
2. method according to claim 1, is characterized in that, the described historical position the record according to M position candidate information and terminal obtains the locator data for position candidate information described in each, comprising:
According to the historical position the record of described terminal, obtain the historical position the record for the terminal of position candidate information described in each, the historical position the record of described terminal comprises location constantly and corresponding positional information;
Obtain the historical position the record of the interior terminal for position candidate information described in each of at least one default time period;
Historical position the record according to the interior terminal for position candidate information described in each of described at least one time period, obtains the location number of times for position candidate information described in each, usings as described locator data.
3. method according to claim 2, is characterized in that, for the locator data of position candidate information described in each, obtains the temperature information of position candidate information described in each described in described foundation, comprising:
Historical position the record according to the interior terminal for position candidate information described in each of described at least one time period, obtains the mean value for the location number of times of position candidate information described in each;
According to the mean value for the location number of times of position candidate information described in each, obtain the temperature information of position candidate information described in each.
4. method according to claim 3, is characterized in that, described foundation is for the mean value of the location number of times of position candidate information described in each, obtains the temperature information of position candidate information described in each, comprising:
Utilize following formula to obtain the temperature information of position candidate information described in each:
Wherein, H
ithe temperature information that represents i position candidate information, the value of i is the integer in 1 to M; V
iexpression is for the mean value of the location number of times of i position candidate information; V
minrepresent that foundation is for the minimum value of the mean value of the mean value acquisition of the location number of times of position candidate information described in each; V
maxrepresent that foundation is for the maximum of the mean value of the mean value acquisition of the location number of times of position candidate information described in each; β represents default normalization coefficient.
5. method according to claim 1, is characterized in that, the described temperature information according to position candidate information described in each is selected N position candidate information from described M position candidate information, usings as target position information, comprising:
Temperature information according to position candidate information described in each, according to the descending order of temperature information, described M position candidate information is sorted, to obtain ranking results, obtain N forward position candidate information of rank in described ranking results, using as target position information; Or,
According to the temperature information of position candidate information described in each and default heat degree threshold, the temperature information in described M position candidate information of obtaining is greater than or equal to N position candidate information of described heat degree threshold, usings as target position information.
6. method according to claim 1, is characterized in that, the described temperature information according to position candidate information described in each is selected N position candidate information from described M position candidate information, usings as target position information, comprising:
According to the first weighted value of position candidate information described in the temperature information of position candidate information described in each and default each, obtain the second weighted value of position candidate information described in each;
According to the descending order of the second weighted value, described M position candidate information is sorted, to obtain ranking results, obtain N forward position candidate information of rank in described ranking results, using as target position information; Or, according to the second weighted value of position candidate information described in each and default weight threshold, obtain N the position candidate information that the second weighted value in described M position candidate information is greater than or equal to described weight threshold, using as target position information.
7. an acquisition device for positional information, is characterized in that, described device comprises:
Data capture unit, for the historical position the record according to M position candidate information and terminal, obtains the locator data for position candidate information described in each, and M is greater than 1 integer;
Temperature acquiring unit, for according to the described locator data for position candidate information described in each, obtains the temperature information of position candidate information described in each;
Information selecting section, for the temperature information according to position candidate information described in each, from described M position candidate information, select N position candidate information, using as target position information, described target position information is for determining the position of setting up of point of interest, and N is the positive integer that is less than or equal to M.
8. device according to claim 7, is characterized in that, described data capture unit, specifically for:
According to the historical position the record of described terminal, obtain the historical position the record for the terminal of position candidate information described in each, the historical position the record of described terminal comprises location constantly and corresponding positional information;
Obtain the historical position the record of the interior terminal for position candidate information described in each of at least one default time period;
Historical position the record according to the interior terminal for position candidate information described in each of described at least one time period, obtains the location number of times for position candidate information described in each, usings as described locator data.
9. device according to claim 8, is characterized in that, described temperature acquiring unit, specifically for:
Historical position the record according to the interior terminal for position candidate information described in each of described at least one time period, obtains the mean value for the location number of times of position candidate information described in each;
According to the mean value for the location number of times of position candidate information described in each, obtain the temperature information of position candidate information described in each.
10. device according to claim 9, is characterized in that, described foundation is for the mean value of the location number of times of position candidate information described in each, and the temperature information of position candidate information described in each that obtains is specially:
Utilize following formula to obtain the temperature information of position candidate information described in each:
Wherein, H
ithe temperature information that represents i position candidate information, the value of i is the integer in 1 to M; V
iexpression is for the mean value of the location number of times of i position candidate information; V
minrepresent that foundation is for the minimum value of the mean value of the mean value acquisition of the location number of times of position candidate information described in each; V
maxrepresent that foundation is for the maximum of the mean value of the mean value acquisition of the location number of times of position candidate information described in each; β represents default normalization coefficient.
11. devices according to claim 7, is characterized in that, described information selecting section, specifically for:
Temperature information according to position candidate information described in each, according to the descending order of temperature information, described M position candidate information is sorted, to obtain ranking results, obtain N forward position candidate information of rank in described ranking results, using as target position information; Or,
According to the temperature information of position candidate information described in each and default heat degree threshold, the temperature information in described M position candidate information of obtaining is greater than or equal to N position candidate information of described heat degree threshold, usings as target position information.
12. devices according to claim 7, is characterized in that, described information selecting section, specifically for:
According to the first weighted value of position candidate information described in the temperature information of position candidate information described in each and default each, obtain the second weighted value of position candidate information described in each;
According to the descending order of the second weighted value, described M position candidate information is sorted, to obtain ranking results, obtain N forward position candidate information of rank in described ranking results, using as target position information; Or, according to the second weighted value of position candidate information described in each and default weight threshold, obtain N the position candidate information that the second weighted value in described M position candidate information is greater than or equal to described weight threshold, using as target position information.
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