CN101937472A - Public transport transfer inquiring platform based on Internet television and inquiring and retrieving method thereof - Google Patents
Public transport transfer inquiring platform based on Internet television and inquiring and retrieving method thereof Download PDFInfo
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- CN101937472A CN101937472A CN 201010290407 CN201010290407A CN101937472A CN 101937472 A CN101937472 A CN 101937472A CN 201010290407 CN201010290407 CN 201010290407 CN 201010290407 A CN201010290407 A CN 201010290407A CN 101937472 A CN101937472 A CN 101937472A
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Abstract
The invention provides a public transport transfer inquiring platform based on an Internet television and an inquiring and retrieving method thereof. The public transport transfer inquiring platform can be used for inquiring relevant public transport transfer routes only by selecting starting public transport stations and target public transport stations without word input operation, and the operation mode of the public transport transfer inquiring platform is very similar to the channel selection mode of the conventional digital television so that middle and old-aged users unfamiliar with word keyboard operation can also skillfully carry out inquiring operation; and meanwhile, the public transport transfer inquiring platform also provides a public transport station sequencing and retrieving service for the users so that the users can inquire public transport stations nearer the residences of the users, freely select any starting public transport stations from the inquired public transport stations and then carry out public transport transfer inquiry once again, thereby the public transport station sequencing and retrieving service makes up the inconvenience caused by nonsupport of arbitrarily inputting the starting public transport stations and the target public transport stations for inquiring through the public transport transfer inquiring platform and improves the feasibility and the operating flexibility of the public transport transfer inquiring platform.
Description
Technical field
The present invention relates to the search platform technical field, particularly a kind of Public Transport Transfer searching platform that the Public Transport Transfer inquiry service is provided based on the internet television technology.
Background technology
The internet television technology is a kind of broadband cabled television network that utilizes, and integrates multiple technologies such as internet, multimedia, communication, and the brand-new technology of the multiple interactive service service that comprises Digital Television is provided to the user.It adopts video compression technology efficiently, make the video flowing transmission bandwidth that view reception effect near DVD (the video flowing transmission bandwidth of DVD needs more than the 3Mb/s usually) can be arranged when 800kb/s, the data service of carrying out as big flow such as net cast on the Internet, long-distance video program request, program source making is had powerful technical advantage.In China, along with the network integration of internet, telecommunications network and Broadcasting Cable Network, the internet television technology is applied on the basis of unification of three nets, and is progressively promoted in each big city.On technical pattern, internet television is based on the internet, with the broadband ethernet is transmission link, with computing machine or with DMA(Digital Media Adapter, digital media adaptor) televisor of Lian Jieing is the TV tech of user terminal, therefore from technical characterstic, internet television is to define more standard, use the Digital Television of diversification more.Interactive network television also is known as IPTV(Internet Protocol Television, IPTV), ITV(Interactive Television, interactive TV), MITV(Media Internet Television, the medium internet television) etc., its core technology is all based on the IP agreement, as display terminal, provide eurypalynous interactive services such as digital broadcast television, Video service, ecommerce, interactive amusement and recreation, information interaction service to the user with computing machine or televisor by broadband network.
Increase day by day in the urban traffic pressure, under the environment that the energy, problem of environmental pollution become increasingly conspicuous, travelling by the public transport system becomes the citizens' activities mode of being vigorously advocated.With development of internet technology, public transportation enquiry system based on PC and internet is comparatively common, normally import the public transportation enquiry system that retrieval technique makes up based on literal, its main query script is: system carries out the characters matching analysis to the user at the literal of inception point input frame and the input of terminus input frame, from system database, find the starting point name of station and the terminal point name of station that are consistent with the input characters content, obtain the Public Transport Transfer route information by retrieval again.The principal feature of this public transportation enquiry system based on literal input retrieval technique is exactly that initial conditions is flexible, and the user can import starting point, the terminal point place name is searched relevant bus station, obtains the Public Transport Transfer route information.But, in a lot of cities, place name does not have inevitable relevance with the title of bus station, utilize above-mentioned literal input public transportation enquiry system, if place name is carried out characters matching searches less than the bus station that is consistent, also just can't retrieve corresponding Public Transport Transfer route, this is for the user who is unfamiliar with the bus station, and inquiry is extremely inconvenient.
At present, the Public Transport Transfer searching platform on internet television does not but occur as yet, if release the Public Transport Transfer inquiry service on internet television, people just can inquire about bus trip by TV at home and take advantage of the road.If the literal input public transportation enquiry system that will be applied on the PC is applied directly on the internet television, topmost problem is exactly TV and the difference of PC on mode of operation: because televisor is not generally supported the input keyboard of PC, usually all adopt TV remote controller to operate, if realize the literal input, need be according to certain literal input standard programming definition one cover character input method, so that support the literal input of starting point name of station and terminal point name of station on TV remote controller; Because literal input standard is numerous and diverse various, its programming definition standard of the TV of different brands is difficult to unified and transplants mutually, and the user is difficult to adapt to different literal input modes; And the user need import Chinese character one by one when the information of carrying out issue operation, the input of each word all will be in time operation of the enterprising line number of telepilot, its fussy degree is difficult to make the user to receive, and is unable to do what one wishes especially concerning the person in middle and old age user who is unfamiliar with the literal keyboard operation especially.Simultaneously, the above-mentioned defective of literal input retrieval technique self existence still is difficult to overcome.These factors all cause the application of Public Transport Transfer inquiry service on the internet television platform to be subjected to very big restriction.
Summary of the invention
At the prior art above shortcomings, one object of the present invention is to provide a kind of new Public Transport Transfer searching platform based on internet television, this platform need not to import by literal, directly can realize the bus transfer lines inquiry, solve the loaded down with trivial details Public Transport Transfer inquiry service that causes of literal input and on the internet television platform, used limited problem by TV remote controller select to determine to set out bus station and target bus station; Another object of the present invention is to provide the query and search method of this Public Transport Transfer searching platform, to remedy this Public Transport Transfer searching platform because of the limited inconvenience that is brought of querying condition range of choice.
The object of the present invention is achieved like this: based on the Public Transport Transfer searching platform of internet television, be set up in the server of internet television, the user selects the service channel of internet television to enter this Public Transport Transfer searching platform by television terminal, inquiry Public Transport Transfer route; It is characterized in that: this Public Transport Transfer searching platform comprises Bus information database, User Information Database, information of place names database, user window and search engine;
Described Bus information database is used to store the Bus information of different bus routes, and described Bus information comprises the bus station on public transport license number, head/final vehicle hour and the bus routes of bus routes correspondence;
Described station address information database is used to store the internet television registered address information of user's television terminal;
Described geographic information database is used for store map data and geographic information data, and storage is according to definite above-mentioned each bus station corresponding geographical location information of map datum;
Described user window is as the service interaction interface of being presented in television terminal, the selection of set out bus station and target bus station is provided for the user, send bus station ordering search instruction or/and the Public Transport Transfer search instruction to search engine, obtain the result for retrieval data of search engine and show; Described optional item of setting out bus station and target bus station is the bus station in the Bus information database;
Described search engine is according to the search instruction from user window, by the line retrieval computing of going forward side by side of inquiry Bus information database, User Information Database and information of place names database, obtains bus station ordering result for retrieval or/and the Public Transport Transfer result for retrieval.
The query and search method of above-mentioned Public Transport Transfer searching platform based on internet television, it is characterized in that: by the search instruction of search engine basis from user window, by the line retrieval computing of going forward side by side of inquiry Bus information database, User Information Database and information of place names database, obtain corresponding retrieval results and also be sent to user window; The search operaqtion that execution held up in described index comprises the steps:
A) wait for the search instruction that receives from user window, if receive bus station ordering search instruction, execution in step b); If receive Public Transport Transfer search instruction, then execution in step c);
B) inquiring user address information database obtain the internet television registered address information of the television terminal that sends bus station ordering search instruction, and the map datum in the combining geographic information database is determined the geographical location information of television terminal; Geographical location information according to bus station in the geographical location information of this television terminal and the geographic information database, calculate the air line distance of each bus station and this television terminal geographic location, by air line distance order from the near to the remote sorted in the bus station, obtain bus station ordering result for retrieval and be sent to user window; Return step a) then;
C) judge whether set out in the user window bus station and target bus station be all chosen, if all chosen, execution in step d); Otherwise, send querying condition to user window and select infull information, return step a);
D) according to set out bus station and target bus station selected in the user window, from the Bus information database inquiry all simultaneously contain bus station and the bus routes of target bus station, as through bus routes; If through bus routes exists, then will inquire about the corresponding Bus information of each through bus routes of gained and the bus station follow the bus station to approach the target bus station is sent to user window as the Public Transport Transfer result for retrieval, return step a) then; If through bus routes does not exist, then execution in step e);
E) bus routes is once changed in retrieval, and concrete steps are as follows:
E1) bus routes of inquiry all bus station from the Bus information database as first alternate route contain;
E2) from the Bus information database, inquire about all and contain the bus routes of target bus station, as second alternate route;
E3) there is the bus routes combination that repeats the bus station in all in inquiry first alternate route and second alternate route, as once changing to bus routes; If once changing to bus routes exists, each that then will inquire about gained once changes to the corresponding Bus information of bus routes and the bus station follow the bus station to approach the target bus station is sent to user window as the Public Transport Transfer result for retrieval, returns step a) then; Do not exist as if once changing to bus routes, then execution in step f);
F) bus routes is repeatedly changed in retrieval, and concrete steps are as follows:
F1) preset cyclic query number of times upper limit N, and N 〉=1;
F2) bus routes of inquiry all bus station from the Bus information database contain, as changing to bus routes once more, and each changes to the bus station at two ends on the bus routes once more to obtain gained respectively, as changing to website once more;
F3) from the Bus information database, inquire about all and contain arbitrary bus routes of changing to website once more, as first alternate route;
F4) from the Bus information database, inquire about all and contain the bus routes of target bus station, as second alternate route;
F5) there is the bus routes combination that repeats the bus station in all in inquiry first alternate route and second alternate route, as final transfer bus routes; If final time the transfer bus routes exists, each final the transfer bus routes that then will inquire about gained is in conjunction with its corresponding before this each time transfer route, constitute each final corresponding bus routes of repeatedly changing to of transfer bus routes, each is repeatedly changed to the corresponding Bus information of bus routes again and the bus station follow the bus station to approach the target bus station is sent to user window as the Public Transport Transfer result for retrieval, return step a) then; If final time the transfer bus routes does not still exist, then tire out the note cyclic query once, execution in step f6);
F6) if the not enough cyclic query number of times of the number of times of cyclic query upper limit N, then with step f2) in the website of transfer once more of gained as last time changing to website, execution in step f7); If the number of times of cyclic query has reached cyclic query number of times upper limit N, then send the non-existent information of Public Transport Transfer route to user window, return step a) then;
F7) inquire about all from the Bus information database and contain arbitrary bus routes of last time changing to website, as the new bus routes of transfer once more, and each changes to the bus station at two ends on the bus routes once more to obtain gained respectively, as the new website of transfer once more; Return execution in step f3 then) ~ f5);
As further optimization, the Public Transport Transfer Query Result that described user window shows, by the quantity of bus station follow the bus station to approach the target bus station by few series arrangement at the most.
Compared to existing technology, the present invention has following advantage:
1, Public Transport Transfer searching platform of the present invention need not to carry out the literal input, only need in user window, to select set out bus station and target bus station with TV remote controller, can carry out the Public Transport Transfer inquiry, avoid trouble by the TV remote controller input characters; And, selective set out bus station and target bus station are the bus station in the Bus information database, the inconsistent situation of option and data-base content can not appear, overcome the defective that literal input retrieval technique exists, broken through the application obstacle of Public Transport Transfer inquiry service on the internet television platform;
2, the optional item of bus station and target bus station because the bus station conduct in the Public Transport Transfer searching platform of the present invention employing Bus information database is set out, querying condition is subjected to the restriction of range of choice, the user is unfamiliar with bus routes probably carrying out Query Result in addition, does not know periphery has the situation of which bus station.For this reason, Public Transport Transfer searching platform of the present invention provides two kinds of inquiry services for the user simultaneously: 1. the user can send bus station ordering search instruction by user window earlier, inquiry obtains the bus station by shelter geographic position, distance users place (being the geographic position of television terminal) ordering from the near to the remote, thereby can know which the own place of distance, bus station shelter is closer; 2. the user sends the Public Transport Transfer search instruction then by user window selected voluntarily set out bus station and target bus station, and the Public Transport Transfer route information is learnt in inquiry.Combination by these two kinds of inquiry services, 1. the user can inquire about by service earlier knows distance some closer bus stations of shelter, own place, therefrom select the different bus stations of setting out again, repeatedly arrive the Public Transport Transfer route of public transport targeted sites by the 2. different respectively bus station of setting out of service, thereby select to be more suitable for the Public Transport Transfer route arrangement trip of oneself, remedied Public Transport Transfer searching platform of the present invention and can not inquire about the inconvenience that is brought, improved the feasibility and the flexibility of operation of Public Transport Transfer searching platform of the present invention by set out bus station and target bus station of any input.
3, the Public Transport Transfer Query Result of this Public Transport Transfer searching platform also can make things convenient for the user to select shorter bus trip circuit according to actual conditions by the bus station quantity follow the bus station to approach the target bus station by few series arrangement at the most.
Description of drawings
Fig. 1 is the search operaqtion process flow diagram of the search engine of Public Transport Transfer searching platform of the present invention;
Fig. 2 is the landform synoptic diagram of embodiment.
Embodiment
Below in conjunction with drawings and Examples technical scheme of the present invention is described further.
Embodiment:
In the present embodiment, certain user lives in
The district
SThe building, wish to travel by the public transport system to
BThe district
TThe building, the landform synoptic diagram of its region as shown in Figure 2.There are four bus routes in this zone, be respectively 01 the tunnel (
aStand--
bStand--
cStand--
fStand), the 02 tunnel (
dStand--
eStand--
fStand--
gStand--
iStand), the 03 tunnel (
hStand--
iStand--
jStand--
kStand--
lStand) and 04 the tunnel (
lStand--
mStand--
nStand--
oStand).Usually, this user all from
bSetting out in the station, takes No. 01 bus,
fStand and change to No. 02 bus, exist again
iStand and change to No. 03 bus, exist at last
lTransfer No. 04 bus of standing arrives
mGetting off in the station, thereby arrives
BThe district
TThe building.This trip route need be changed to bus No. three times, and approach
bStand,
cStand,
fStand,
gStand,
iStand,
jStand,
kStand,
lStand,
mTotally 8 bus stations of standing, far away.Now this user wishes to arrive by Public Transport Transfer searching platform inquiry of the present invention
BThe district
TThe better trip route in building.
Public Transport Transfer searching platform of the present invention is set up in the server of internet television based on the internet television technology, for the user of internet television provides the Public Transport Transfer inquiry business.This business data flow together is sent to user's television terminal (for the TV that does not possess the media data decoding function with other internet television business data flow, need to connect a digital media adaptor, the promptly normal set-top box of saying), the user enters platform by the internet television channel selection, but, and send the corresponding Public Transport Transfer inquiry service of instruction acquisition according to the mode of operation executable operations of platform setting.This Public Transport Transfer searching platform comprises Bus information database, User Information Database, information of place names database, user window and search engine; At least store the bus station on public transport license number, head/final vehicle hour and each route of above-mentioned 01,02,03 and 04 road bus routes in the Bus information database; At least store this in the station address information database
The district
SThe internet television registered address information of building user's television terminal; Store the map datum and the geographic information data of this area in the geographic information database, and storage is according to each bus station corresponding geographical location information on 01 tunnel, 02 tunnel, 03 road and the 04 road definite bus routes of map datum; User window is as the service interaction interface of being presented in television terminal, user window is provided with selectionbar and the bus station ordering inquire button and the Public Transport Transfer inquire button of set out bus station and target bus station, the optional item of bus station and target bus station of setting out is the bus station in the Bus information database, after selecting ordering inquire button in bus station on the user window, promptly send bus station ordering search instruction, select promptly to send the Public Transport Transfer search instruction by " determining " key on the TV remote controller after the Public Transport Transfer inquire button to search engine to search engine by " determining " key on the TV remote controller; Described search engine is according to the search instruction from user window, by the line retrieval computing of going forward side by side of inquiry Bus information database, User Information Database and information of place names database, obtains bus station ordering result for retrieval or/and the Public Transport Transfer result for retrieval.
For example: at first, the user is living
STurn on TV in the building, enter the Public Transport Transfer searching platform of internet television, in the selectionbar of the set out bus station and the target bus station of user window, select by the direction options button of TV remote controller.The selectable project of setting out in the selectionbar of bus station and target bus station for "
aStand,
bStand,
cStand,
dStand,
eStand,
fStand,
gStand,
hStand,
iStand,
jStand,
kStand,
lStand,
mStand,
nStand,
oStand ... ", be the bus station in the Bus information database.The user selected to set out the bus station for "
bStand ", the target bus station for "
mStand ", clicked the Public Transport Transfer inquire button then and sent the Public Transport Transfer search instruction to search engine.Subsequently, search engine is carried out following operation:
A) search engine is waited for the search instruction that receives from user window, acknowledges receipt of the Public Transport Transfer search instruction, then execution in step c);
C) judge that set out in the user window bus station and target bus station are all chosen, execution in step d);
D) since in the user window selected set out bus station and target bus station be respectively "
bStand " and "
mStand ", search engine from the Bus information database, inquire about all contain simultaneously "
bStand " and "
mStand " bus routes as through bus routes; Through inquiry, the through bus routes that satisfies above-mentioned condition does not exist, and therefore continues execution in step e);
E) bus routes is once changed in retrieval, and concrete steps are as follows:
E1) from the Bus information database inquiry all bus station contain "
bStand " bus routes, obtain 01 road bus routes, as first alternate route;
E2) from the Bus information database inquiry all contain the target bus station "
mStand " bus routes, obtain 04 road bus routes, as second alternate route;
E3) there is the bus routes combination that repeats the bus station in all in inquiry first alternate route and second alternate route, as once changing to bus routes; Through inquiry, there is not the bus station of repetition on 01 road and 04 road bus routes, the once transfer bus routes that satisfies above-mentioned condition does not exist yet, thereby continues execution in step f);
F) bus routes is repeatedly changed in retrieval, and concrete steps are as follows:
F1) preset cyclic query number of times upper limit N=5 in the program;
F2) from the Bus information database inquiry all bus station contain "
bStand " bus routes, obtain 01 road bus routes, as changing to bus routes once more, and obtain two ends on 01 road bus routes the bus station "
aStand " and "
fStand ", as changing to website once more;
F3) from the Bus information database inquiry all contain "
aStand " or "
fStand " bus routes, obtain 01 road and 02 road bus routes, as first alternate route;
F4) from the Bus information database inquiry all contain the target bus station "
mStand " bus routes, obtain 04 road bus routes, as second alternate route;
F5) there is the bus routes combination that repeats the bus station in all in inquiry first alternate route and second alternate route, as final transfer bus routes; Through inquiry, all less than the bus station of repeating, final time the transfer bus routes does not still exist on 01 tunnel and 04 road bus routes, 02 road bus routes and 04 road bus routes, and tired note cyclic query once continues execution in step f6);
F6) because at present the number of times of cyclic query is only for once, the not enough cyclic query number of times upper limit 5 times is then with step f2) website of transfer once more of middle gained "
aStand " and "
fStand " as last time changing to website, execution in step f7);
F7) from the Bus information database inquiry all contain last time change to website "
aStand " and "
fStand " bus routes, obtain 01 road and 02 road bus routes, as the new bus routes of transfer once more, and obtain the bus station at two ends on 01 road and 02 road bus routes respectively, be respectively "
aStand " and "
fStand ", "
dStand " and "
iStand ", as the new website of transfer once more; Return execution in step f3 then) ~ f5);
F3) (secondary cycle inquiry) from the Bus information database, inquire about all contain "
aStand ", "
fStand ", "
dStand " or "
iStand " bus routes, obtain 01 tunnel, 02 road and 03 road bus routes, as first alternate route;
F4) (secondary cycle inquiry) from the Bus information database, inquire about all contain the target bus station "
mStand " bus routes, obtain 04 road bus routes, as second alternate route;
F5) there is the bus routes combination that repeats the bus station in all in (secondary cycle inquiry) inquiry first alternate route and second alternate route, as final transfer bus routes; Through inquiry, existence repetition bus station on 03 road and 04 road bus routes "
kStand "; then with 03 road and 04 road bus routes combination as final transfer bus routes; and in conjunction with 03 road and 04 road bus routes each time transfer route 01 road and 02 tunnel of correspondence before this; constitute corresponding bus routes 01 tunnel → 02 tunnel → 03 tunnel → 04 tunnel of repeatedly changing to, again each is repeatedly changed to Bus information such as bus station on the corresponding public transport license number in bus routes 01 tunnel → 02 tunnel → 03 tunnel → 04 road, head/final vehicle hour and the bus routes and follow bus station "
bStand " to the target bus station "
mStand " between approach the bus station "
bStand →
cStand →
fStand →
gStand →
iStand →
jStand →
kStand →
lStand →
mStand " be sent to user window as the Public Transport Transfer result for retrieval, the Public Transport Transfer query and search finishes; Return step a) then, search engine enters the search instruction state that receives of waiting for once more.
User window is received the Public Transport Transfer result for retrieval that search engine is sent, then with the result by the quantity of bus station follow the bus station to approach the target bus station by few series arrangement at the most.Only retrieval obtains a Public Transport Transfer result for retrieval at present, promptly the follow bus station "
bStand " to the target bus station "
mStand " exist and repeatedly to change to bus routes 01 tunnel → 02 tunnel → 03 tunnel → 04 tunnel, between the approach bus station "
bStand →
cStand →
fStand →
gStand →
iStand →
jStand →
kStand →
lStand →
mStand ", and show Bus informations such as bus station on the corresponding public transport license number of 01 tunnel, 02 tunnel, 03 road and 04 road bus routes, head/final vehicle hour and the bus routes.Thus, this user inquiring learns, from
bThe station set out the point of arrival "
mStand and only have that Public Transport Transfer route of his common choice for traveling.So this user selects to have clicked the bus station rank button and sends bus station ordering search instruction to search engine on user interface, wish which nearer bus station inquires him can also select from.Subsequently, search engine is carried out following operation:
A) search engine is waited for the search instruction that receives from user window, acknowledges receipt of bus station ordering search instruction, then execution in step b);
B) search engine inquiry station address information database, obtain the internet television registered address information of the television terminal of this transmission bus station ordering search instruction, and the geographical location information of determining television terminal of the map datum in the combining geographic information database for "
AThe district
SBuilding "; Again according to the geographical location information of this television terminal "
AThe district
SThe building " and geographic information database in the geographical location information of bus station, calculate each bus station with "
AThe district
SThe building " air line distance, by air line distance order from the near to the remote sorted in the bus station, obtain bus station ordering result for retrieval and be "
bStand,
oStand,
aStand,
nStand,
cStand,
dStand ... ", and be sent to user window; Return step a) then, search engine enters the search instruction state that receives of waiting for once more.
By inquiry, this user learns apart from its inhabitation
AThe district
SNearer place, building also has a bus station
oThe station can be used as the bus station of setting out, thus he in user window, attempt selecting to set out the bus station for "
bStand ", the target bus station for "
mStand ", click the Public Transport Transfer inquire button and send the Public Transport Transfer search instruction to search engine, whether inquiry has the shorter Public Transport Transfer route of distance.Subsequently, search engine is carried out following operation:
A) search engine is waited for the search instruction that receives from user window, acknowledges receipt of the Public Transport Transfer search instruction, then execution in step c);
C) judge that set out in the user window bus station and target bus station are all chosen, execution in step d);
D) since in the user window selected set out bus station and target bus station be respectively "
oStand " and "
mStand ", search engine from the Bus information database, inquire about all contain simultaneously "
oStand " and "
mStand " bus routes as through bus routes; Through inquiry, contain simultaneously in 04 road bus routes "
oStand " and "
mStand ", therefore with Bus information such as the bus station on public transport license number, head/final vehicle hour and the bus routes of 04 road bus routes and follow bus station "
oStand " to the target bus station "
mStand " between approach the bus station "
oStand →
nStand →
mStand " be sent to user window as the Public Transport Transfer result for retrieval, the Public Transport Transfer query and search finishes; Return step a) then, search engine enters the search instruction state that receives of waiting for once more.
By the inquiry, this user find to take originally No. 04 bus from
oSet out in the station, approach
oStand,
nStand,
mThree websites of standing just can go directly
mStand.Thus, provide bus trip scheme more easily for this user.
As seen from the above-described embodiment, Public Transport Transfer searching platform of the present invention need not to carry out the literal input operation, only just can inquire corresponding Public Transport Transfer route by select to set out bus station and purpose bus station, it is very similar that its mode of operation and conventional digital television program channel are selected, even be unfamiliar with that the person in middle and old age user of literal keyboard operation also can be skilled carry out the action queries operation.But, at user option set out bus station and purpose bus station have been subjected to the restriction of the bus station of record in the Bus information database, the setting that causes querying condition not as directly carry out the literal input such flexibly, the user that may allow some be unfamiliar with bus routes does not know that this selects those bus stations trips; For this reason, this Public Transport Transfer searching platform provides bus station ordering retrieval service for the user simultaneously, allow the user can inquire the distance closer bus station of shelter, own place, carry out Public Transport Transfer once more and inquire about for the user bus station of therefrom freely selecting to set out arbitrarily, remedied owing to select the limited inconvenience that brings, improved the feasibility and the flexibility of operation of Public Transport Transfer searching platform of the present invention.As more humane design, also can in Public Transport Transfer searching platform of the present invention, merge literal input retrieval technique, allow the user freely select inquiry mode according to the operating habit of oneself; Related content about literal input retrieval technique is a prior art, is not innovation of the present invention place, is no longer given unnecessary details at this.
In Public Transport Transfer searching platform of the present invention, the selection of bus station and target bus station is incomplete if set out during the Public Transport Transfer inquiry, change to repeatedly perhaps that the number of times of cyclic query has reached the cyclic query number of times upper limit that presets and do not obtained Query Result as yet in the bus routes, corresponding prompt information all can in user window, occur; Wherein, the cyclic query number of times upper limit N that presets means that maximum numbers of transfer of the Public Transport Transfer result for retrieval that can inquire are N+1 time, the value of N can be determined when the search engine program editor, usually the value of N is default is decided to be 5 or 6 and gets final product, the suggestion maximum is made as 10, can make search engine carry out efficient greater than 10 and reduce, and the Public Transport Transfer route more than 10 times has also lost practical meaning for the user.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (3)
1. based on the Public Transport Transfer searching platform of internet television, be set up in the server of internet television, the user selects the service channel of internet television to enter this Public Transport Transfer searching platform by television terminal, inquiry Public Transport Transfer route; It is characterized in that: this Public Transport Transfer searching platform comprises Bus information database, User Information Database, information of place names database, user window and search engine;
Described Bus information database is used to store the Bus information of different bus routes, and described Bus information comprises the bus station on public transport license number, head/final vehicle hour and the bus routes of bus routes correspondence;
Described station address information database is used to store the internet television registered address information of user's television terminal;
Described geographic information database is used for store map data and geographic information data, and storage is according to definite above-mentioned each bus station corresponding geographical location information of map datum;
Described user window is as the service interaction interface of being presented in television terminal, the selection of set out bus station and target bus station is provided for the user, send bus station ordering search instruction or/and the Public Transport Transfer search instruction to search engine, obtain the result for retrieval data of search engine and show; Described optional item of setting out bus station and target bus station is the bus station in the Bus information database;
Described search engine is according to the search instruction from user window, by the line retrieval computing of going forward side by side of inquiry Bus information database, User Information Database and information of place names database, obtains bus station ordering result for retrieval or/and the Public Transport Transfer result for retrieval.
2. according to claim 1 based on the query and search method of the Public Transport Transfer searching platform of internet television, it is characterized in that: by the search instruction of search engine basis from user window, by the line retrieval computing of going forward side by side of inquiry Bus information database, User Information Database and information of place names database, obtain corresponding retrieval results and also be sent to user window; The search operaqtion that execution held up in described index comprises the steps:
A) wait for the search instruction that receives from user window, if receive bus station ordering search instruction, execution in step b); If receive Public Transport Transfer search instruction, then execution in step c);
B) inquiring user address information database obtain the internet television registered address information of the television terminal that sends bus station ordering search instruction, and the map datum in the combining geographic information database is determined the geographical location information of television terminal; Geographical location information according to bus station in the geographical location information of this television terminal and the geographic information database, calculate the air line distance of each bus station and this television terminal geographic location, by air line distance order from the near to the remote sorted in the bus station, obtain bus station ordering result for retrieval and be sent to user window; Return step a) then;
C) judge whether set out in the user window bus station and target bus station be all chosen, if all chosen, execution in step d); Otherwise, send querying condition to user window and select infull information, return step a);
D) according to set out bus station and target bus station selected in the user window, from the Bus information database inquiry all simultaneously contain bus station and the bus routes of target bus station, as through bus routes; If through bus routes exists, then will inquire about the corresponding Bus information of each through bus routes of gained and the bus station follow the bus station to approach the target bus station is sent to user window as the Public Transport Transfer result for retrieval, return step a) then; If through bus routes does not exist, then execution in step e);
E) bus routes is once changed in retrieval, and concrete steps are as follows:
E1) bus routes of inquiry all bus station from the Bus information database as first alternate route contain;
E2) from the Bus information database, inquire about all and contain the bus routes of target bus station, as second alternate route;
E3) there is the bus routes combination that repeats the bus station in all in inquiry first alternate route and second alternate route, as once changing to bus routes; If once changing to bus routes exists, each that then will inquire about gained once changes to the corresponding Bus information of bus routes and the bus station follow the bus station to approach the target bus station is sent to user window as the Public Transport Transfer result for retrieval, returns step a) then; Do not exist as if once changing to bus routes, then execution in step f);
F) bus routes is repeatedly changed in retrieval, and concrete steps are as follows:
F1) preset cyclic query number of times upper limit N, and N 〉=1;
F2) bus routes of inquiry all bus station from the Bus information database contain, as changing to bus routes once more, and each changes to the bus station at two ends on the bus routes once more to obtain gained respectively, as changing to website once more;
F3) from the Bus information database, inquire about all and contain arbitrary bus routes of changing to website once more, as first alternate route;
F4) from the Bus information database, inquire about all and contain the bus routes of target bus station, as second alternate route;
F5) there is the bus routes combination that repeats the bus station in all in inquiry first alternate route and second alternate route, as final transfer bus routes; If final time the transfer bus routes exists, each final the transfer bus routes that then will inquire about gained is in conjunction with its corresponding before this each time transfer route, constitute each final corresponding bus routes of repeatedly changing to of transfer bus routes, each is repeatedly changed to the corresponding Bus information of bus routes again and the bus station follow the bus station to approach the target bus station is sent to user window as the Public Transport Transfer result for retrieval, return step a) then; If final time the transfer bus routes does not still exist, then tire out the note cyclic query once, execution in step f6);
F6) if the not enough cyclic query number of times of the number of times of cyclic query upper limit N, then with step f2) in the website of transfer once more of gained as last time changing to website, execution in step f7); If the number of times of cyclic query has reached cyclic query number of times upper limit N, then send the non-existent information of Public Transport Transfer route to user window, return step a) then;
F7) inquire about all from the Bus information database and contain arbitrary bus routes of last time changing to website, as the new bus routes of transfer once more, and each changes to the bus station at two ends on the bus routes once more to obtain gained respectively, as the new website of transfer once more; Return execution in step f3 then) ~ f5).
3. query and search method according to claim 2 is characterized in that, the Public Transport Transfer Query Result that described user window shows, by the quantity of bus station follow the bus station to approach the target bus station by few series arrangement at the most.
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| CN2010102904074A CN101937472B (en) | 2010-09-25 | 2010-09-25 | Public transport transfer inquiring platform based on Internet television and inquiring and retrieving method thereof |
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| CN109584601A (en) * | 2018-12-25 | 2019-04-05 | 张鸿青 | A kind of information output method and device based on bus station |
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| CN101937472B (en) | 2012-06-06 |
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