CN103984683A - LBS (location based service)-based retrieval method and equipment - Google Patents
LBS (location based service)-based retrieval method and equipment Download PDFInfo
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
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- G06F16/9537—Spatial or temporal dependent retrieval, e.g. spatiotemporal queries
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Abstract
The invention provides an LBS (location based service)-based retrieval method and LBS-based retrieval equipment. According to the embodiment of the invention, a retrieval result matched with retrieval item keywords is obtained on a reachable track of a to-be-retrieved position by retrieving items which are associated with the to-be-retrieved position determined for a client according to retrieval time information and the retrieval item keywords, wherein the value of the time from the to-be-retrieved position to the retrieval result is smaller than or equal to a reachable time threshold value indicated by the retrieval time information, so that the retrieval result can be sent to the client. According to the technical scheme provided by the invention, the retrieval result reachable from the to-be-retrieved position within a time range can be obtained. Thus, the retrieval result provided for the client is quite significant to a retriever, and the problem that the retrieval result cannot be reached or is difficultly reached from the to-be-retrieved position due to certain traffic jams in the prior art can be avoided, so that the retrieval reliability is improved.
Description
[technical field]
The present invention relates to location-based service (Location Based Service, LBS) technology, relate in particular to search method and the equipment of a kind of position-based service (Location Based Service, LBS).
[background technology]
Along with the development of the communication technology, increasing function that terminal is integrated, thus make to have comprised in the systemic-function list of terminal more and more corresponding application programs.In some application program, can relate to some location-based services (Location Based Service, LBS), claim again positioning service, for example, Baidu's map etc.In existing LBS, based on map platform or Webpage search, can provide centered by position to be retrieved to client, the result for retrieval of distance to a declared goal within the border circular areas of radius.
But, for example, due to the obstruct of some traffic,, river, lake or mountain range etc., make cannot or to be difficult to arrive result for retrieval from position to be retrieved, therefore, the meaning of described result for retrieval for retrieval person is not very large, thereby caused the reduction of the reliability of retrieval.
[summary of the invention]
Many aspects of the present invention provide a kind of search method and equipment based on LBS, in order to improve the reliability of retrieval.
An aspect of of the present present invention, provides a kind of search method based on LBS, comprising:
For client is determined position to be retrieved;
According to retrieval time information and search terms keyword, on reached at the track of described position to be retrieved, the project relevant to described position to be retrieved retrieved, to obtain the result for retrieval mating with described search terms keyword, wherein, be less than or equal to indicated reached at the time threshold of described information retrieval time from described position to be retrieved to the time of described result for retrieval;
Send described result for retrieval to described client.
Aspect as above and arbitrary possible implementation, further provide a kind of implementation, described for before client determines position to be retrieved, also comprises:
Receive the retrieval command for the relevant project in described position to be retrieved is retrieved that described client sends, in described retrieval command, comprise described search terms keyword; Or
The target that acquisition sets in advance is determined strategy, and described target determines that strategy is for determining described client.
Aspect as above and arbitrary possible implementation, further provide a kind of implementation, and described position to be retrieved comprises:
Move the current geographic position of terminal of described client; Or
The geographic position that user inputs in the input frame of described client; Or
Preassigned geographic position.
Aspect as above and arbitrary possible implementation, a kind of implementation is further provided, described according to retrieval time information and search terms keyword, on reached at the track of described position to be retrieved, the project relevant to described position to be retrieved retrieved, before obtaining the result for retrieval mating with described search terms keyword, also comprise:
Obtain traffic network information, and according to described position to be retrieved and described traffic network information, described in determining, can reach track; Or
Gather the geographical location information that described client and/or other clients send, obtain individual trace information according to the geographical location information of described collection, and according to described position to be retrieved and described individual trace information, described in determining, can reach track.
Aspect as above and arbitrary possible implementation, a kind of implementation is further provided, described according to retrieval time information and search terms keyword, on reached at the track of described position to be retrieved, the project relevant to described position to be retrieved retrieved, before obtaining the result for retrieval mating with described search terms keyword, also comprise:
Described retrieval time of information is set.
Aspect as above and arbitrary possible implementation, further provide a kind of implementation, and described described retrieval time of the information that arranges, comprising:
According to pre-configured Provisioning Policy, described retrieval time of information is set; Or
The configuration information sending according to described client, arranges described retrieval time of information.
Aspect as above and arbitrary possible implementation, further provide a kind of implementation, and described retrieval time, information comprised mode of transportation and reached at time threshold corresponding to described mode of transportation.
Aspect as above and arbitrary possible implementation, further provide a kind of implementation, and described result for retrieval comprises:
Point of interest class result for retrieval; Or
Activity class result for retrieval; Or
Event class result for retrieval.
Another aspect of the present invention, provides a kind of retrieval facility based on LBS, comprising:
Determining unit, is used to client to determine position to be retrieved;
Retrieval unit, be used for according to retrieval time information and search terms keyword, on reached at the track of described position to be retrieved, the project relevant to described position to be retrieved retrieved, to obtain the result for retrieval mating with described search terms keyword, wherein, be less than or equal to indicated reached at the time threshold of described information retrieval time from described position to be retrieved to the time of described result for retrieval;
Transmitting element, for sending described result for retrieval to described client.
Aspect as above and arbitrary possible implementation, further provide a kind of implementation, and described equipment also comprises receiving element, for
Receive the retrieval command for the relevant project in described position to be retrieved is retrieved that described client sends, in described retrieval command, comprise described search terms keyword; Or
The target that acquisition sets in advance is determined strategy, and described target determines that strategy is for determining described client.
Aspect as above and arbitrary possible implementation, further provide a kind of implementation, and described position to be retrieved comprises:
Move the current geographic position of terminal of described client; Or
The geographic position that user inputs in the input frame of described client; Or
Preassigned geographic position.
Aspect as above and arbitrary possible implementation, further provide a kind of implementation, described determining unit, also for
Obtain traffic network information, and according to described position to be retrieved and described traffic network information, described in determining, can reach track; Or
Gather the geographical location information that described client and/or other clients send, obtain individual trace information according to the geographical location information of described collection, and according to described position to be retrieved and described individual trace information, described in determining, can reach track.
Aspect as above and arbitrary possible implementation, further provide a kind of implementation, and described equipment also comprises setting unit, for
Described retrieval time of information is set.
Aspect as above and arbitrary possible implementation, further provide a kind of implementation, described setting unit, specifically for
According to pre-configured Provisioning Policy, described retrieval time of information is set; Or
The configuration information sending according to described client, arranges described retrieval time of information.
Aspect as above and arbitrary possible implementation, further provide a kind of implementation, and described retrieval time, information comprised mode of transportation and reached at time threshold corresponding to described mode of transportation.
Aspect as above and arbitrary possible implementation, further provide a kind of implementation, and described result for retrieval comprises:
Point of interest class result for retrieval; Or
Activity class result for retrieval; Or
Event class result for retrieval.
As shown from the above technical solution, the embodiment of the present invention is passed through according to retrieval time information and search terms keyword, the project relevant to the position to be retrieved of determining for client retrieved, to obtain the result for retrieval mating with described search terms keyword on reached at the track in described position to be retrieved, wherein, be less than or equal to indicated reached at the time threshold of described information retrieval time from described position to be retrieved to the time of described result for retrieval, make it possible to send described result for retrieval to described client, adopt technical scheme provided by the invention, can obtain the result for retrieval that can arrive from position to be retrieved in scope after a while, therefore, the meaning of the result for retrieval providing to client for retrieval person is very large, can avoid the problem that cannot or be difficult to arrive result for retrieval from position to be retrieved that in prior art, the obstruct due to some traffic causes, thereby improve the reliability of retrieval.
[brief description of the drawings]
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The schematic flow sheet of the search method based on LBS that Fig. 1 provides for one embodiment of the invention;
The structural representation of the retrieval facility based on LBS that Fig. 2 provides for another embodiment of the present invention;
The structural representation of the retrieval facility based on LBS that Fig. 3 provides for another embodiment of the present invention;
The structural representation of the retrieval facility based on LBS that Fig. 4 provides for another embodiment of the present invention.
[embodiment]
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making whole other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, in the embodiment of the present invention, related terminal can include but not limited to mobile phone, personal digital assistant (Personal Digital Assistant, PDA), radio hand-held equipment, wireless Internet access basis, PC, portable computer, MP3 player, MP4 player etc.
In addition, term "and/or" herein, is only a kind of incidence relation of describing affiliated partner, and expression can exist three kinds of relations, 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 "/" herein, generally represents that forward-backward correlation is to liking a kind of relation of "or".
The schematic flow sheet of the search method based on LBS that Fig. 1 provides for one embodiment of the invention, as shown in Figure 1.
101, for client is determined position to be retrieved.
102, according to retrieval time information and search terms keyword, on reached at the track of described position to be retrieved, the project relevant to described position to be retrieved retrieved, to obtain the result for retrieval mating with described search terms keyword, wherein, be less than or equal to indicated reached at the time threshold of described information retrieval time from described position to be retrieved to the time of described result for retrieval.
103, send described result for retrieval to described client.
It should be noted that, 101～103 executive agent can be search engine, can be arranged in local client, to carry out off-line retrieval, or can also be arranged in the server of network side, and to carry out online retrieving, the present embodiment does not limit this.
Be understandable that, described client can be mounted in the application program in terminal, or can also be a webpage of browser, as long as can realize retrieval, with provide LBS outwardness form can, the present embodiment does not limit this.
Like this, by according to retrieval time information and search terms keyword, the project relevant to the position to be retrieved of determining for client retrieved, to obtain the result for retrieval mating with described search terms keyword on reached at the track in described position to be retrieved, wherein, be less than or equal to indicated reached at the time threshold of described information retrieval time from described position to be retrieved to the time of described result for retrieval, make it possible to send described result for retrieval to described client, adopt technical scheme provided by the invention, can obtain the result for retrieval that can arrive from position to be retrieved in scope after a while, therefore, the meaning of the result for retrieval providing to client for retrieval person is very large, can avoid the problem that cannot or be difficult to arrive result for retrieval from position to be retrieved that in prior art, the obstruct due to some traffic causes, thereby improve the reliability of retrieval.
The existing search method based on LBS, based on map platform or Webpage search, retrieves, and can provide centered by position to be retrieved to client, the result for retrieval of distance to a declared goal within the border circular areas of radius.But, for example, due to the obstruct of some traffic,, river, lake or mountain range etc., make cannot or to be difficult to arrive result for retrieval from position to be retrieved, therefore, the meaning of described result for retrieval for retrieval person is not very large, like this, caused the reliability of retrieval not high.
Alternatively, in one of the present embodiment possible implementation, before 101, search engine can also further receive the retrieval command for the relevant project in described position to be retrieved is retrieved that described client sends, and comprises described search terms keyword in described retrieval command.Wherein, the search terms keyword comprising in the retrieval command that described search engine receives can be concrete name of firm, for example, outside the city Wushan grilled fish along the river, or can also be title and the merchant type in a geographic position, for example, Shangdi and food and drink, Shangdi and shopping, Shangdi and KTV.Like this, described search engine can, according to the retrieval command of described client, be retrieved the result for retrieval obtaining to determined client push.
Alternatively, in one of the present embodiment possible implementation, before 101, search engine can also further obtain the target setting in advance and determine strategy, and described target determines that strategy is for determining described client.For example, described target determines that strategy can be for to be defined as described client by the client relevant to position to be retrieved, or can also be other strategies, and to determine described client, the present embodiment does not limit this.Like this, described search engine can initiatively retrieve to determined client push the result for retrieval obtaining.
Alternatively, in one of the present embodiment possible implementation, in 101, search engine is that the determined position to be retrieved of client can include but not limited to move the current geographic position of the terminal of described client, geographic position or the preassigned geographic position that user inputs in the input frame of described client, and the present embodiment does not limit this.
Alternatively, in one of the present embodiment possible implementation, before 102, search engine can also further obtain traffic network information, and according to described position to be retrieved and described traffic network information, described in determining, can reach track, the project relevant to described position to be retrieved retrieved described reaching on track.
Particularly, described search engine can adopt technical scheme of the prior art to obtain traffic network information, and detailed description can, referring to related content of the prior art, repeat no more herein.
Alternatively, in one of the present embodiment possible implementation, before 102, search engine can also further gather the geographical location information that described client and/or other clients send, obtain individual trace information according to the geographical location information of described collection, and according to described position to be retrieved and described individual trace information, described in determining, can reach track, the project relevant to described position to be retrieved retrieved described reaching on track.
Particularly, described client and/or other clients specifically can be utilized GPS (GlobalPositioning System, GPS) obtain self geographical location information, detailed description can, referring to related content of the prior art, repeat no more herein.
Particularly, described search engine specifically can periodically gather the geographical location information of described client and/or the transmission of other clients, like this, can obtain the position time series of each client.Then, described search engine can, according to this position time series, obtain multiple acquisition trajectories information, and then determines described individual trace information.
Alternatively, in one of the present embodiment possible implementation, before 102, search engine can also further arrange described retrieval time of information.Wherein, described retrieval time, information can include but not limited to mode of transportation and reached at time threshold corresponding to described mode of transportation, and this present embodiment is not limited.
Particularly, described search engine specifically can be according to pre-configured Provisioning Policy, and described retrieval time of information is set.For example, according to pre-configured Provisioning Policy, it is walking 30 minutes or private car 10 minutes etc. that described retrieval time information is set.
It should be noted that, described search engine can, by obtaining the translational speed of described terminal, identify the mode of transportation that described terminal adopts, and with according to the mode of transportation being identified, the retrieval time information corresponding with this mode of transportation is set.
For example, described search engine specifically can periodically gather the geographical location information that described client sends, and like this, can obtain the position time series of this client.Then, described search engine can, according to this position time series, obtain the translational speed of described terminal.If the translational speed of described terminal is less than or equal to First Speed threshold value, it is walking that described search engine can identify the mode of transportation that described terminal adopts; If the translational speed of described terminal is greater than First Speed threshold value and is less than or equal to second speed threshold value, it is bicycle that described search engine can identify the mode of transportation that described terminal adopts; If the translational speed of described terminal is greater than second speed threshold value, it is private car, bus or subway that described search engine can identify the mode of transportation that described terminal adopts.Particularly, described search engine specifically can also be further according to other information such as traffic network information, and identifying particularly the mode of transportation that described terminal adopts is private car, bus or subway.
Particularly, the configuration information that described search engine specifically can send according to described client, arranges described retrieval time of information.
It should be noted that, search engine is in the time providing LBS to client, the project relevant to position to be retrieved that this search engine is retrieved can include but not limited to point of interest (Point Of Interest, POI), activity or event, and the present embodiment does not limit this.Correspondingly, the described result for retrieval that described search engine obtains can include but not limited to point of interest class result for retrieval (for example, food and drink class result for retrieval, the merchant type result for retrieval such as class result for retrieval or amusement class result for retrieval of doing shopping), activity class result for retrieval or event class result for retrieval.
In the present embodiment, by according to retrieval time information and search terms keyword, the project relevant to the position to be retrieved of determining for client retrieved, to obtain the result for retrieval mating with described search terms keyword on reached at the track in described position to be retrieved, wherein, be less than or equal to indicated reached at the time threshold of described information retrieval time from described position to be retrieved to the time of described result for retrieval, make it possible to send described result for retrieval to described client, adopt technical scheme provided by the invention, can obtain the result for retrieval that can arrive from position to be retrieved in scope after a while, therefore, the meaning of the result for retrieval providing to client for retrieval person is very large, can avoid the problem that cannot or be difficult to arrive result for retrieval from position to be retrieved that in prior art, the obstruct due to some traffic causes, thereby improve the reliability of retrieval.
In addition, due to according to retrieval time information in range coverage, retrieve, and no longer retrieve in appointed area according to radius, therefore, adopt technical scheme provided by the invention, can obtain the result for retrieval that can arrive from position to be retrieved in scope after a while, thereby can further reduce the invalid retrieval that search engine is carried out, process load thereby reduced.
It should be noted that, for aforesaid each embodiment of the method, for simple description, therefore it is all expressed as to a series of combination of actions, but those skilled in the art should know, the present invention is not subject to the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in instructions all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part of detailed description, can be referring to the associated description of other embodiment.
The structural representation of the retrieval facility based on LBS that Fig. 2 provides for another embodiment of the present invention, as shown in Figure 2.The retrieval facility based on LBS of the present embodiment can comprise determining unit 21, retrieval unit 22 and transmitting element 23.Wherein, determining unit 21, is used to client to determine position to be retrieved; Retrieval unit 22, be used for according to retrieval time information and search terms keyword, on reached at the track of described position to be retrieved, the project relevant to described position to be retrieved retrieved, to obtain the result for retrieval mating with described search terms keyword, wherein, be less than or equal to indicated reached at the time threshold of described information retrieval time from described position to be retrieved to the time of described result for retrieval; Transmitting element 23, for sending described result for retrieval to described client.
It should be noted that, the equipment that the present embodiment provides can be search engine, can be arranged in local client, to carry out off-line retrieval, or can also be arranged in the server of network side, and to carry out online retrieving, the present embodiment does not limit this.
Be understandable that, described client can be mounted in the application program in terminal, or can also be a webpage of browser, as long as can realize retrieval, with provide LBS outwardness form can, the present embodiment does not limit this.
Like this, by retrieval unit according to retrieval time information and search terms keyword, to being that the relevant project in position to be retrieved that client is determined is retrieved to determining unit, to obtain the result for retrieval mating with described search terms keyword on reached at the track in described position to be retrieved, wherein, be less than or equal to indicated reached at the time threshold of described information retrieval time from described position to be retrieved to the time of described result for retrieval, make transmitting element to send described result for retrieval to described client, adopt technical scheme provided by the invention, can obtain the result for retrieval that can arrive from position to be retrieved in scope after a while, therefore, the meaning of the result for retrieval providing to client for retrieval person is very large, can avoid the problem that cannot or be difficult to arrive result for retrieval from position to be retrieved that in prior art, the obstruct due to some traffic causes, thereby improve the reliability of retrieval.
The existing retrieval facility based on LBS, based on map platform or Webpage search, retrieves, and can provide centered by position to be retrieved to client, the result for retrieval of distance to a declared goal within the border circular areas of radius.But, for example, due to the obstruct of some traffic,, river, lake or mountain range etc., make cannot or to be difficult to arrive result for retrieval from position to be retrieved, therefore, the meaning of described result for retrieval for retrieval person is not very large, like this, caused the reliability of retrieval not high.
Alternatively, in one of the present embodiment possible implementation, as shown in Figure 3, the equipment that the present embodiment provides can further include receiving element 31.
Particularly, the retrieval command for the relevant project in described position to be retrieved is retrieved that described receiving element 31 specifically can send for receiving described client, comprises described search terms keyword in described retrieval command.Wherein, the search terms keyword comprising in the retrieval command that described receiving element 31 receives can be concrete name of firm, for example, outside the city Wushan grilled fish along the river, or can also be title and the merchant type in a geographic position, for example, Shangdi and food and drink, Shangdi and shopping, Shangdi and KTV.Like this, the equipment that the present embodiment provides can, according to the retrieval command of described client, be retrieved the result for retrieval obtaining to determined client push.
Particularly, described receiving element 31 specifically can be determined strategy for obtaining the target setting in advance, and described target determines that strategy is for determining described client.For example, described target determines that strategy can be for to be defined as described client by the client relevant to position to be retrieved, or can also be other strategies, and to determine described client, the present embodiment does not limit this.Like this, the equipment that the present embodiment provides can initiatively retrieve to determined client push the result for retrieval obtaining.
Alternatively, in one of the present embodiment possible implementation, described determining unit 21 can include but not limited to move the current geographic position of the terminal of described client, geographic position or the preassigned geographic position that user inputs in the input frame of described client for the determined position to be retrieved of client, and the present embodiment does not limit this.
Alternatively, in one of the present embodiment possible implementation, described determining unit 21, can also be further used for obtaining traffic network information, and according to described position to be retrieved and described traffic network information, described in determining, can reach track.
Particularly, described determining unit 21 can adopt technical scheme of the prior art to obtain traffic network information, and detailed description can, referring to related content of the prior art, repeat no more herein.
Alternatively, in one of the present embodiment possible implementation, described determining unit 21, can also be further used for gathering the geographical location information of described client and/or the transmission of other clients, obtain individual trace information according to the geographical location information of described collection, and according to described position to be retrieved and described individual trace information, described in determining, can reach track.
Particularly, described client and/or other clients specifically can be utilized GPS (Global Positioning System, GPS) obtain self geographical location information, detailed description can, referring to related content of the prior art, repeat no more herein.
Particularly, described determining unit 21 specifically can periodically gather the geographical location information of described client and/or the transmission of other clients, like this, can obtain the position time series of each client.Then, 21 of described determining units can, according to this position time series, obtain multiple acquisition trajectories information, and then determine described individual trace information.
Alternatively, in one of the present embodiment possible implementation, as shown in Figure 4, the equipment that the present embodiment provides can further include setting unit 41, for described retrieval time of information is set.Wherein, described retrieval time, information can include but not limited to mode of transportation and reached at time threshold corresponding to described mode of transportation, and this present embodiment is not limited.
Particularly, described setting unit 41 specifically can be according to pre-configured Provisioning Policy, and described retrieval time of information is set.For example, according to pre-configured Provisioning Policy, it is walking 30 minutes or private car 10 minutes etc. that described retrieval time information is set.
It should be noted that, described setting unit 41 can, by obtaining the translational speed of described terminal, identify the mode of transportation that described terminal adopts, and with according to the mode of transportation being identified, the retrieval time information corresponding with this mode of transportation is set.
For example, described setting unit 41 specifically can periodically gather the geographical location information that described client sends, and like this, can obtain the position time series of this client.Then, 41 of described setting units can, according to this position time series, obtain the translational speed of described terminal.If the translational speed of described terminal is less than or equal to First Speed threshold value, it is walking that 41 of described setting units can identify the mode of transportation that described terminal adopts; If the translational speed of described terminal is greater than First Speed threshold value and is less than or equal to second speed threshold value, it is bicycle that 41 of described setting units can identify the mode of transportation that described terminal adopts; If the translational speed of described terminal is greater than second speed threshold value, it is private car, bus or subway that 41 of described setting units can identify the mode of transportation that described terminal adopts.Particularly, described setting unit 41 specifically can also be further according to other information such as traffic network information, and identifying particularly the mode of transportation that described terminal adopts is private car, bus or subway.
Particularly, the configuration information that described setting unit 41 specifically can send according to described client, arranges described retrieval time of information.
It should be noted that, the equipment that the present embodiment provides is in the time providing LBS to client, described retrieval unit 22 project relevant with position to be retrieved that retrieve can include but not limited to point of interest (Point Of Interest, POI), activity or event, and the present embodiment does not limit this.Correspondingly, the described result for retrieval that described retrieval unit 22 obtains can include but not limited to point of interest class result for retrieval (for example, food and drink class result for retrieval, the merchant type result for retrieval such as class result for retrieval or amusement class result for retrieval of doing shopping), activity class result for retrieval or event class result for retrieval.
In the present embodiment, by retrieval unit according to retrieval time information and search terms keyword, to being that the relevant project in position to be retrieved that client is determined is retrieved to determining unit, to obtain the result for retrieval mating with described search terms keyword on reached at the track in described position to be retrieved, wherein, be less than or equal to indicated reached at the time threshold of described information retrieval time from described position to be retrieved to the time of described result for retrieval, make transmitting element to send described result for retrieval to described client, adopt technical scheme provided by the invention, can obtain the result for retrieval that can arrive from position to be retrieved in scope after a while, therefore, the meaning of the result for retrieval providing to client for retrieval person is very large, can avoid the problem that cannot or be difficult to arrive result for retrieval from position to be retrieved that in prior art, the obstruct due to some traffic causes, thereby improve the reliability of retrieval.
In addition, due to retrieval unit according to retrieval time information in range coverage, retrieve, and no longer retrieve in appointed area according to radius, therefore, adopt technical scheme provided by the invention, retrieval unit can obtain the result for retrieval that can arrive in scope after a while from position to be retrieved, thereby can further reduce the invalid retrieval that search engine is carried out, and processes load thereby reduced.
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, be only that a kind of logic function is divided, when actual realization, can have other dividing mode, for example multiple 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 multiple 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, the 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 (can be personal computers in order to make a computer equipment, server, or the 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: various media that can be program code stored such as USB flash disk, portable hard drive, ROM (read-only memory) (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CDs.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (16)
1. a search method of position-based service LBS, is characterized in that, comprising:
For client is determined position to be retrieved;
According to retrieval time information and search terms keyword, on reached at the track of described position to be retrieved, the project relevant to described position to be retrieved retrieved, to obtain the result for retrieval mating with described search terms keyword, wherein, be less than or equal to indicated reached at the time threshold of described information retrieval time from described position to be retrieved to the time of described result for retrieval;
Send described result for retrieval to described client.
2. method according to claim 1, is characterized in that, described for before client determines position to be retrieved, also comprises:
Receive the retrieval command for the relevant project in described position to be retrieved is retrieved that described client sends, in described retrieval command, comprise described search terms keyword; Or
The target that acquisition sets in advance is determined strategy, and described target determines that strategy is for determining described client.
3. method according to claim 1 and 2, is characterized in that, described position to be retrieved comprises:
Move the current geographic position of terminal of described client; Or
The geographic position that user inputs in the input frame of described client; Or
Preassigned geographic position.
4. according to the method described in the arbitrary claim of claim 1～3, it is characterized in that, described according to retrieval time information and search terms keyword, on reached at the track of described position to be retrieved, the project relevant to described position to be retrieved retrieved, before obtaining the result for retrieval mating with described search terms keyword, also comprise:
Obtain traffic network information, and according to described position to be retrieved and described traffic network information, described in determining, can reach track; Or
Gather the geographical location information that described client and/or other clients send, obtain individual trace information according to the geographical location information of described collection, and according to described position to be retrieved and described individual trace information, described in determining, can reach track.
5. according to the method described in the arbitrary claim of claim 1～4, it is characterized in that, described according to retrieval time information and search terms keyword, on reached at the track of described position to be retrieved, the project relevant to described position to be retrieved retrieved, before obtaining the result for retrieval mating with described search terms keyword, also comprise:
Described retrieval time of information is set.
6. method according to claim 5, is characterized in that, described described retrieval time of the information that arranges, comprising:
According to pre-configured Provisioning Policy, described retrieval time of information is set; Or
The configuration information sending according to described client, arranges described retrieval time of information.
7. according to the method described in the arbitrary claim of claim 1～6, it is characterized in that, described retrieval time, information comprised mode of transportation and reached at time threshold corresponding to described mode of transportation.
8. according to the method described in the arbitrary claim of claim 1～7, it is characterized in that, described result for retrieval comprises:
Point of interest class result for retrieval; Or
Activity class result for retrieval; Or
Event class result for retrieval.
9. a retrieval facility of position-based service LBS, is characterized in that, comprising:
Determining unit, is used to client to determine position to be retrieved;
Retrieval unit, be used for according to retrieval time information and search terms keyword, on reached at the track of described position to be retrieved, the project relevant to described position to be retrieved retrieved, to obtain the result for retrieval mating with described search terms keyword, wherein, be less than or equal to indicated reached at the time threshold of described information retrieval time from described position to be retrieved to the time of described result for retrieval;
Transmitting element, for sending described result for retrieval to described client.
10. equipment according to claim 9, is characterized in that, described equipment also comprises receiving element, for
Receive the retrieval command for the relevant project in described position to be retrieved is retrieved that described client sends, in described retrieval command, comprise described search terms keyword; Or
The target that acquisition sets in advance is determined strategy, and described target determines that strategy is for determining described client.
11. according to the equipment described in claim 9 or 10, it is characterized in that, described position to be retrieved comprises:
Move the current geographic position of terminal of described client; Or
The geographic position that user inputs in the input frame of described client; Or
Preassigned geographic position.
12. according to the equipment described in the arbitrary claim of claim 9～11, it is characterized in that, described determining unit, also for
Obtain traffic network information, and according to described position to be retrieved and described traffic network information, described in determining, can reach track; Or
Gather the geographical location information that described client and/or other clients send, obtain individual trace information according to the geographical location information of described collection, and according to described position to be retrieved and described individual trace information, described in determining, can reach track.
13. according to the equipment described in the arbitrary claim of claim 9～12, it is characterized in that, described equipment also comprises setting unit, for
Described retrieval time of information is set.
14. equipment according to claim 13, is characterized in that, described setting unit, specifically for
According to pre-configured Provisioning Policy, described retrieval time of information is set; Or
The configuration information sending according to described client, arranges described retrieval time of information.
15. according to the equipment described in the arbitrary claim of claim 9～14, it is characterized in that, described retrieval time, information comprised mode of transportation and reached at time threshold corresponding to described mode of transportation.
16. according to the equipment described in the arbitrary claim of claim 9～15, it is characterized in that, described result for retrieval comprises:
Point of interest class result for retrieval; Or
Activity class result for retrieval; Or
Event class result for retrieval.
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