CN101378581B - Auxiliary system and method for taxi operation - Google Patents
Auxiliary system and method for taxi operation Download PDFInfo
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- CN101378581B CN101378581B CN200710009416XA CN200710009416A CN101378581B CN 101378581 B CN101378581 B CN 101378581B CN 200710009416X A CN200710009416X A CN 200710009416XA CN 200710009416 A CN200710009416 A CN 200710009416A CN 101378581 B CN101378581 B CN 101378581B
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Abstract
The invention provides a taxi operation auxiliary system and a method. By adopting a movable positioning technique and a wireless network technique, the taxi driver knows the positions of the passengers and other empty-loaded taxis, thus providing an auxiliary for the taxi operation; the passengers know the positions of the taxis and other passengers, thus having information reference for deciding whether continuing waiting for the taxis or not; the taxi is bound to an instant communication tool, thus facilitating direct contact of the passengers; furthermore, an arithmetic is provided, which automatically builds a contact bridge between the newest empty-loaded taxi and the passengers and leads both parties to directly contact with each other instantly.
Description
Affiliated technical field
The present invention relates to the GPS Global Positioning System (GPS), computer network and mechanics of communication application, taxi operation backup system and the method that particularly can help taxi to look for the guest, can help the guest to select to hire a car.
Background technology
Now taxi generally is the experience with the driver, rests in the many visitors such as place of usual guest when unloaded on the car, or travels at highway and to seek the guest.The taxi driver that experience is good can be carried than faster the guest, and higher economic benefit is arranged, and the taxi driver's that experience the is poor sales volume is also poorer.Simultaneously, there is the guest who waits for bus also to lose time because can not in time get in touch with taxi.In a word, many with what meet mutually at random between taxi and the guest, rather than among the both sides which side initiatively contacts.
The taxi company that has provides telephone number, and extensively makes it, the contact of making a phone call when the guest needs.But so non-directly non-instant contact between taxi driver and the guest, often cause the guest to the error of the hysteresis of the message between the taxi driver or message transmission, cause taxi can not in time carry the guest, taxi driver and guest go up and waste economically if having time.
Realize just in Foochow at present " taxi is called by cable " that the guest phones client service center, the attendant passes to taxi to guest's information by the GPS enquiring vehicle position, and the taxi in racing to be the first to answer a question goes to the assigned address carrying.This is actually the mode that GPS adds manual dispatching, and the artificial management of this mode over reliance can't realize the vehicle Automatic dispatching; Near unloaded taxi the situation simultaneously guest can not be directly acquainted with, and neighbouring and take guest's situation of taxi with his competition, can not make information reference for whether guest's decision continues to wait for taxi; Simultaneously the taxi driver can not intuitively understand guest's distribution situation in the city, and and compete carrying people's taxi situation with him, can not make more information reference for taxi driver's searching guest; Cause too the guest to the error of the hysteresis of the message between the taxi driver or message transmission.
Summary of the invention
The problem to be solved in the present invention is, for the taxi of zero load and to beat the guest between set up a fast platform of contact, allow the guest can be directly acquainted with near unloaded taxi situation, and neighbouring and compete guest's situation of taking advantage of a taxi with him; Allow the taxi driver can understand near other unloaded taxi situations, and need to beat guest's situation; Allowing can direct, instant messaging between taxi driver and the guest.Realize system of the present invention, comprising:
The taxi moving positioning device can be oriented the geographic position of hiring a car in real time, and geographical location information is transferred to server by wireless internet accessing device;
The taxi immediate communication tool, number and taxi binding can keep instant messaging with the external world;
The taxi wireless Internet device can be transferred to server to the geographical location information of this taxi, can show electronic chart, and near the guest's geographical location information reaching near other taxi geographic position the map demonstration;
Guest's hand-hold communication device, accept the geographic position of guest's input and can be transferred to server, or automatically locate guest's geographic position with server interaction, can show electronic chart, near and the taxi geographical location information of the zero load reaching near other guest geographic position the map demonstration, and tool instant communication function;
Application server is made logical process to guest's request and the request of taxi, automatically the unloaded taxi of side and needing beat guest's combination, in the combination both are got in touch with by the immediate communication tool of binding number;
Database server, the storage urban geographic information comprises electronic chart, storage taxi information, storage taxi and guest's contact situation information.
Wherein application server and database server are server end, and taxi moving positioning device, taxi immediate communication tool, taxi wireless Internet device and guest's hand-hold communication device are client.
Wherein the function that has of guest's hand-hold communication device is optional, but minimum requirements tool instant communication function, such as near other guest geographic position not wanting to understand and near the taxi geographical location information of zero load, show that then the function of electronic chart does not need.
For making things convenient for the guest to understand near unloaded taxi situation, the method applied in the present invention may further comprise the steps:
The taxi moving positioning device is oriented the taxi geographic position;
The taxi wireless Internet device send information to application server to the taxi geographical location information;
Application server sends to guest's hand-hold communication device to the taxi geographical location information;
Guest's hand-hold communication device shows the taxi positional information at electronic chart.
For making things convenient for the guest to understand guest's situation that taxi is taken near other preparations, the method applied in the present invention may further comprise the steps:
The guest send information to application server by hand-hold communication device;
Application server is oriented the guest position;
Application server sends to other guest's hand-hold communication devices to guest's positional information;
Guest's hand-hold communication device shows the guest position at electronic chart.
For making things convenient for the taxi driver to understand near guest's situation and initiatively contacting the guest, the method applied in the present invention may further comprise the steps:
The guest send information to application server by hand-hold communication device;
Application server is oriented the guest position;
Application server sends to the taxi wireless Internet device to guest's positional information;
The taxi wireless Internet device shows the guest position at electronic chart.
For make things convenient for the taxi driver understand near and he compete the taxi situation of carrying, the method applied in the present invention may further comprise the steps:
The taxi moving positioning device is oriented the taxi geographic position.
The taxi wireless Internet device send information to application server to the taxi geographical location information;
Application server sends to other taxi wireless Internet devices to the taxi geographical location information;
The taxi wireless Internet device shows the taxi geographical location information that receives at electronic chart.
For making taxi driver and guest can both understand near guest's situation and unloaded taxi situation, the method applied in the present invention may further comprise the steps:
Can by certain a bit centered by, guest's situation that the needs near the zone are beaten takes statistics;
Can by certain a bit centered by, the taxi situation near the zone is taken statistics.
For make the taxi driver and need to beat the guest can be directly, instant messaging, and do not need other manual interventions, the method applied in the present invention may further comprise the steps:
Each taxi at least with an immediate communication tool number binding;
The taxi moving positioning device is oriented the taxi geographic position.
The taxi wireless Internet device send information to application server to the taxi geographical location information;
Application server sends to guest's hand-hold communication device to the taxi geographical location information;
Guest's hand-hold communication device shows the taxi positional information at electronic chart;
The guest chooses a taxi, and immediate communication tool communication direct and this taxi binding number.
For make the taxi driver and need to beat the guest can be directly, instant messaging, and do not need other manual interventions, the method applied in the present invention also may further comprise the steps:
The guest send information to application server by hand-hold communication device;
Application server is oriented the guest position;
Application server sends to the taxi wireless Internet device to guest's positional information;
The taxi wireless Internet device shows the guest position at electronic chart.
The taxi driver chooses a guest, and direct and this guest's hand-hold communication device communication.
For make the taxi driver and need to beat the guest can be directly, instant messaging, and do not need other manual interventions, the method applied in the present invention also may further comprise the steps:
Each taxi at least with an immediate communication tool number binding;
The guest send information to application server by hand-hold communication device;
Application server is oriented the guest position;
Application server sends to guest's positional information on the taxi wireless Internet device;
Automatically the unloaded taxi of side and needing beat guest's combination, make guest's hand-hold communication device and directly carry out communication with the immediate communication tool that taxi is bound number.
The invention has the beneficial effects as follows, need to beat the guest near understanding unloaded taxi situation with other need to beat guest's situation, near guest's situation that unloaded taxi situation and other need to be beaten the taxi driver also can understand, unloaded taxi and needing beat the guest can understand mutually position and communication number, the guest can oneself select and hire a car, the taxi driver can contact directly the guest, between the two can be directly, instant messaging, can get in touch with as soon as possible, save both sides' time, improved both sides' efficient.
Description of drawings
Fig. 1 is the system architecture diagram of one embodiment of the invention.
Fig. 2 is that the guest of one embodiment of the invention contacts the taxi method flow diagram.
Fig. 3 is the method flow diagram of the embodiment of guest among Fig. 2 " the own residing geographic position of input " predefined process.
Fig. 4 is guest's method flow diagram on the taxi-mounted of one embodiment of the invention.
Fig. 5 is that the taxi of one embodiment of the invention initiatively contacts the guest and carries upper guest's method flow diagram.
Embodiment
The present invention is described in further detail below by specific embodiment, should be noted that following description should not be used for limiting the present invention.According to inventive concept of the present invention, those of ordinary skill in the art can appropriate change, and these changes can fall within the invention scope that claims limit.
Fig. 1 is the system architecture diagram of one embodiment of the invention.This system divides client and server, and client comprises that mobile phone 1, taxi client hold 2, and server is server 3.Wherein mobile phone 1 be the guest with, the taxi client holds 2 in taxi, both in local storing electronic map, and can be from server 3 down loading updatings.Mobile phone 1 is also stored Jie Lu lane and information of place names, also can be from server 3 down loading updatings.Jie Lu lane and information of place names can be increased by the guest, and are verified by the system manager.Mobile phone 1, taxi client hold 2 can be respectively with little mobile phone icon and car icon representation on electronic chart, client comprises that mobile phone 1, taxi client hold 2, can form little mobile phone icon and car icon to each client geographical location information that server 3 transmits at local electronic chart, characterize more accurately the actual geographic position of each client.Certainly, also can hold mobile phone 1, taxi client 2 distribution situation to characterize out at the electronic chart of server 3, then hold the electronic chart of 2 distribution situation to be transferred to each client containing mobile phone 1, taxi client, but the information capacity of transmission is large like this, transmission is slow, present embodiment is not taked this scheme, and each client all can again be synthesized and be contained the electronic chart that mobile phone 1 and taxi client hold 2 geographical location information in the present embodiment.
Wherein the guest adopts two kinds to the method for own position notification server 3 here, can send Query Information by the mode of note to server 3, just can determine own present residing position, and the position is kept at server 3; Also can pass through the GPRS wireless networking capabilities, by selecting the Jie Lu lane, select again the mode of place name, the location transmission of oneself to server 3; By top dual mode, guest's geographical location information is transferred to server 3, and server 3 can be transferred to each client again, intrasystem taxi client hold 2 or mobile phone 1 just can view this guest's geographic position.In like manner, this guest can check that also intrasystem taxi client holds 2 or other mobile phone 1 positional informations.
Guest's information can not registered in system, and when the guest passed through mobile phone 1 notification server 3 to own position, mobile phone 1 represented the guest, quite guest and mobile phone 1 binding.
Wherein because intrasystem taxi client holds 2 or mobile phone 1 storing electronic map, server only need transfer out hire a car client 2 or mobile phone 1 geographical location information and get final product.
Wherein the screen of mobile phone 1 is less, electronic chart can amplify arbitrarily, dwindles, move, check that conveniently the taxi client holds the electronic chart in 2 also can amplify arbitrarily, dwindle, move certainly, and makes taxi quantity and guest's quantity statistics in the zone that shows.
The taxi client holds 2 to comprise taxi moving positioning device 21, taxi wireless Internet device 22 and taxi immediate communication tool 23.Each taxi is when system registry, and the number binding of taxi immediate communication tool 23.When taxi is unloaded, can be transferred to server 3 to the geographical location information of itself by taxi moving positioning device 21 and taxi wireless Internet device 22, when having the guest to ask, can be by taxi immediate communication tool 23 and guest's contact, until the guest takes car.Taxi immediate communication tool 23 also can adopt the immediate communication tools such as QQ, the MSN of current trend or Personal Handyphone System, at this moment needs the immediate communication tool embedded system, and system can be called.
Wherein the taxi client holds 2 state to have: busy, unloaded, " zero load " comprising: unloaded without contact, unloaded in contact.Upper guest is carried in the expression of " hurrying "." unloaded without contact " expression unloaded and with ing with the guest in contact, and the guest gets in touch with end and do not put busy condition, also belongs to this state." unloaded contact " expression with guest's contact, and one have contact, state namely is set to this state.State is put busy, the taxi client hold 2 and and this taxi client hold 2 to keep the mobile phone 1 of instant messagings to become invisible in the client of system.The taxi client holds 2 to use respectively different color differentiatings during for " unloaded without contact " and " the unloaded contact " at state on electronic chart.
Server 3 comprises application server 31 and database server 32.Application server 31 functions comprise: receive the locating short message inquiry of mobile phone 1, and the geographic position object information is stored in server 32; Receive Jie Lu lane and information of place names that mobile phone 1 sends, can process " 200 meters of certain place names " such information eastwards, and be stored in server 32; Reception taxi client holds 2 positional information, is stored in server 32; Receive the request of checking of each client, each client geographical location information comprises that mobile phone 1, taxi client hold 2 for each client in the transmission server 32; Receive mobile phone 1 and select the request of client 2 of hiring a car, and send to taxi immediate communication tool 23, and process the response of taxi immediate communication tool 23, and contact process information storage server 32; Automatically the unloaded taxi client of side holds 2 and mobile phone 1 combination, and in the combination both are kept in touch, and the principle of combination can be according to both nearest principles; Accept each client-requested, unloaded taxis quantity in the statistics appointed area; Accept each client-requested, need ground guest's quantity of beating in the statistics appointed area; Accept client-requested, calculate a certain client to the distance of another client.Database server 32 storage taxi information, comprise license plate number, immediate communication tool number etc., storing mobile phone 1 positional information, storage taxi client holds 2 trace informations, storing mobile phone 1 and taxi client hold 2 contact information, storing electronic map, storage Jie Lu lane and information of place names.
Wherein the Automatic Combined function can be driven by timed sequence, triggers in the time of also can holding 2 to put zero load by the request of mobile phone 1 or taxi client.
Wherein the taxi client holds 2 to choose mobile phone 1 by system, just can with this mobile phone 1 instant messaging; Mobile phone 1 chooses the taxi client to hold 2, just can check that the taxi client holds 2 details, comprises license plate number, present position and the distance of itself etc., just can hold 2 direct instant messagings with the taxi client.
It should be noted that, although here with the formal description that separates each device, but what it will be appreciated by those skilled in the art that is, said apparatus both can be realized in different parts, also can in same parts, realize, and with convenient use, economical and practical as principle, appearance design can flexible.
And, although it should be noted that here and describe as an example of mobile phone example, but the invention is not restricted to mobile phone, as long as possess the apparatus of wireless networking capabilities, real-time communication function and mobile positioning function, can be used for realizing the present invention, such as Personal Handyphone System, palm PC etc.If guest oneself does not then need mobile positioning function by the position of dictionary input oneself, the apparatus that only need to possess wireless networking capabilities and instant communication function gets final product.If the guest does not need to check taxi situation and other guest's situations, only needs the apparatus of instant communication function to get final product.
Fig. 2 is that the guest of one embodiment of the invention contacts the taxi method flow diagram.At step S201, the guest inputs own residing geographic position, and this is a predefined process, and multiple implementation method is arranged, and Fig. 3 is one of them embodiment, has a detailed description in Fig. 3 explanation.At step S202, the guest by system near checking unloaded taxi situation and other need to beat guest's situation.At step S203, the guest selects the wherein taxi of a zero load, and the message of choosing sends to immediate communication tool on the taxi by server.At step S204, selected taxi receives selected message by immediate communication tool, can response.If reply agreement, enter step S205, otherwise return step S203.At step S205, guest and selected taxi are kept in touch, and the contact content can be described the mode of both sides' joint etc., until the guest takes car.
Fig. 3 is the method flow diagram of the embodiment of guest among Fig. 2 " the own residing geographic position of input " predefined process.At step S301, the guest checks geography information by mobile phone, and geography information can be electronic chart, also can be Jie Lu lane and geographical name data library information, the Jie Lu lane that shows in the electronic chart and place name should with database in the Jie Lu lane consistent with place name.At step S302, the guest chooses own residing Jie Lu lane name, and all place name set under this Jie Lu lane can appear in system.At step S303, whether the guest searches has place name can identify the residing position of oneself, if having, enters the step S304 of flow process, otherwise enters step S305.At step S304, the guest chooses the institute year position of place name sign oneself, and sends to server.At step S305, the guest chooses from oneself a certain place name close to.At step S306, because the place name of choosing can not identify the position of oneself fully, thus add auxiliary the description, such as " 30 meters eastwards ", or " 20 meters in the southeast 30 degree directions ", wherein dictionary can be used in the orientation, the manual input of orientation angles, the manual input of distance is inputted completely, sends to server.
Fig. 4 is guest's method flow diagram on the taxi-mounted of one embodiment of the invention.At step S400, the taxi driver is set to zero load to the state of taxi, and system's automatic decision is " unloaded without contact ".At step S401, the taxi driver checks distribution situation and other unloaded taxi situations of guest by system.At step S402, the taxi driver looks into by immediate communication tool and sees if there is the guest and choose oneself, if do not have, enters the step S403 of flow process, if having, enters step S404.At step S403, do not choose oneself because having the guest, the driver drives to travel toward the many places of guest, and the taxi state is " unloaded without contact ".At step S404, because being arranged, the guest chooses oneself, and the driver replys by immediate communication tool, and the taxi state is " unloaded in contact ", if agree, enters process step S405, otherwise enters step S403.At step S405, driver and guest preserve contact, until the guest takes car.At step S406, the driver puts busy condition to taxi, and at this moment this guest is invisible in other clients, this taxi in other clients invisible or state put and busyly distinguish can be with zero load the time.
Fig. 5 is that the taxi of one embodiment of the invention initiatively contacts the guest and carries upper guest's method flow diagram.At step S500, the taxi driver is set to zero load to the state of taxi, and system's automatic decision is " unloaded without contact ".At step S501, the taxi driver checks distribution situation and other unloaded taxi situations of guest by system.At step S502, the taxi driver chooses one of them guest, and the taxi state is " unloaded in contact ".At step S503, whether reply agreement according to the guest, if agree, enter step S505 in the flow process, otherwise enter step S504.At step S504, because the guest disagrees with that continue many direction runnings toward the guest, the taxi state is " unloaded without contact ".At step S505, driver and guest preserve contact, until the guest takes car.At step S506, the driver puts busy condition to taxi, and at this moment this guest is invisible in other clients, this taxi in other clients invisible or state put and busyly distinguish can be with zero load the time.
Claims (4)
1. a taxi operation backup system is characterized in that, comprising:
The taxi moving positioning device can be oriented the geographic position of hiring a car in real time, and geographical location information is transferred to server by wireless internet accessing device;
The taxi immediate communication tool, number and taxi binding can keep instant messaging with the external world;
The taxi wireless Internet device can be transferred to server to the geographical location information of this taxi;
Guest's hand-hold communication device, accept the geographic position of guest input and can be transferred to server, or automatically locate guest's geographic position with server interaction, can show electronic chart, near and the taxi geographical location information of zero load that can be map shows, and tool instant communication function;
Described server comprises application server and database server;
Application server is made logical process to guest's request and the request of taxi;
Database server, the storage urban geographic information comprises electronic chart, the storage taxi information;
Near other guests' geographic position described guest's hand-hold communication device can show; Described taxi wireless Internet device can show electronic chart, and near the guest's geographical location information reaching near other taxi geographic position the map demonstration;
Described application server can automatically help unloaded taxi and need beat guest's combination, in the combination both are got in touch with by the immediate communication tool of binding number.
2. taxi operation backup system according to claim 1, it is characterized in that: described database server can be stored taxi and guest's contact situation information.
3. the auxiliary method of a taxi operation, its feature comprise that (1) is to (4) step:
(1) the taxi moving positioning device is oriented the taxi geographic position;
(2) the taxi wireless Internet device send information to application server to the taxi geographical location information;
(3) application server sends to guest's hand-hold communication device to the taxi geographical location information;
(4) guest's hand-hold communication device shows the taxi positional information at electronic chart;
Application server sends to other taxi wireless Internet devices to the taxi geographical location information in the described step (3); The taxi wireless Internet device shows the taxi geographical location information that receives at electronic chart;
Further comprise described guest understand near other preparations guest's situation of taking taxi to realize to the d step by a:
A, guest send information to application server by hand-hold communication device;
B, application server are oriented the guest position;
C, application server send to other guest's hand-hold communication devices to guest's positional information;
D, guest's hand-hold communication device show the guest position at electronic chart;
Application server sends to the taxi wireless Internet device to guest's positional information among the described step c; The taxi wireless Internet device shows the guest position at electronic chart;
Comprise further that taxi driver and needs beat guest's implementation direct, instant messaging comprise 1) to 6) step:
1) each taxi at least with an immediate communication tool number binding;
2) the taxi moving positioning device is oriented the taxi geographic position;
3) the taxi wireless Internet device send information to application server to the taxi geographical location information;
4) application server sends to guest's hand-hold communication device to the taxi geographical location information;
5) guest's hand-hold communication device shows the taxi positional information at electronic chart;
6) guest chooses a taxi, and immediate communication tool communication direct and this taxi binding number.
4. the auxiliary method of taxi operation according to claim 3, it is characterized in that: described application server can help automatically that unloaded taxi and needs beat guest's combination, the immediate communication tool that makes guest's hand-hold communication device and follow taxi to bind number directly carries out communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710009416XA CN101378581B (en) | 2007-08-28 | 2007-08-28 | Auxiliary system and method for taxi operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710009416XA CN101378581B (en) | 2007-08-28 | 2007-08-28 | Auxiliary system and method for taxi operation |
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| Publication Number | Publication Date |
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| CN101378581A CN101378581A (en) | 2009-03-04 |
| CN101378581B true CN101378581B (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200710009416XA Expired - Fee Related CN101378581B (en) | 2007-08-28 | 2007-08-28 | Auxiliary system and method for taxi operation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101894460B (en) * | 2009-05-22 | 2014-07-09 | 触动多媒体技术（上海）有限公司 | Unload taxi positional information control method |
| CN101860790A (en) * | 2010-05-21 | 2010-10-13 | 深圳积享通信息技术有限公司 | Automatic data matching method based on mobile terminal location information |
| CN102496130A (en) * | 2011-11-15 | 2012-06-13 | 王家庆 | Real-time mobile business system of high efficiency operation taxi |
| US20130246207A1 (en) | 2012-03-19 | 2013-09-19 | Uber Technologies, Inc. | System and method for dynamically adjusting prices for services |
| CN102651167A (en) * | 2012-05-15 | 2012-08-29 | 成都美璞科技有限公司 | System and method for finding nearby taxi and passenger based on wireless communication network |
| CN102708683B (en) * | 2012-06-20 | 2014-02-12 | 深圳市京泰基科技有限公司 | Telephone-calling taxi allocation method capable of improving passenger-carrying efficiency |
| US9066206B2 (en) | 2012-07-03 | 2015-06-23 | Uber Technologies, Inc. | System and method for providing dynamic supply positioning for on-demand services |
| CN102982694B (en) * | 2012-12-10 | 2015-04-15 | 北京世纪高通科技有限公司 | Method and device for acquiring traffic information based on empty taxi position |
| CN103208181A (en) * | 2013-04-09 | 2013-07-17 | 南京理工大学 | Visual point-to-point independent taxi calling system and method |
| CN103281676A (en) * | 2013-05-28 | 2013-09-04 | 吴昌明 | Instant messaging system and method for taxi |
| CN103488679A (en) * | 2013-08-14 | 2014-01-01 | 大连大学 | Inverted grid index-based car-sharing system under mobile cloud computing environment |
| US11100798B2 (en) * | 2013-10-10 | 2021-08-24 | Nissan Motor Co., Ltd. | Vehicle management system and vehicle management method |
| WO2016116048A1 (en) * | 2015-01-20 | 2016-07-28 | 北京嘀嘀无限科技发展有限公司 | Information providing system and method for on-demand service |
| CN106504567A (en) * | 2015-09-08 | 2017-03-15 | 阿里巴巴集团控股有限公司 | A kind of intelligent parking space competition information methods of exhibiting and device |
| US10460411B2 (en) | 2016-08-30 | 2019-10-29 | Uber Technologies, Inc. | Real-time resource management for on-demand services |
| CN111131504B (en) * | 2019-12-31 | 2021-06-25 | 张文 | Method, device, system and medium for realizing instant docking service of driver and passenger |
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| CN101378581A (en) | 2009-03-04 |
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