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1. 发明申请

WO2023277814A2 COMPUTER-IMPLEMENTED APPARATUS AND METHOD FOR PREDICTING TRAFFIC CONDITIONS IN A ROUTE PLANNING APPLICATION 审中-公开
公开(公告)号：WO2023277814A2
公开(公告)日：2023-01-05
申请号：PCT/SG2022/050450
申请日：2022-06-29
申请人： GRABTAXI HOLDINGS PTE. LTD. , DAI, Chengcheng , WILSON, Padarn George , WANG, Guanfeng
发明人： DAI, Chengcheng , WILSON, Padarn, George , WANG, Guanfeng
IPC分类号： G06N3/0455 , G01C21/34 , G06Q10/0631 , G06Q50/30
摘要： A computer-implemented apparatus, and associated method, for predicting traffic conditions in respect of a specified route selected from within a road network representative of a geographical region. The computer-implemented apparatus comprises a processor and memory and is configured, under control of the processor, to execute instructions stored in the memory to: receive input data representative of said specified route comprising one or more road segments between a start location and a destination selected from within a road network representing a geographical region; obtain a diffusion graph representative of said specified route, said diffusion graph comprising edges connected by nodes, wherein a weight associated with each edge comprises a respective transition probability representing a likelihood of traffic on a respective road segment diffusing to another road segment; and use a Transformer-based framework to predict a traffic condition for each segment of the route; wherein said Transformer-based framework comprises an attention module and an input configured to receive a set of input dimensions for each segment of the route, said dimensions including at least a respective transition probability and temporal data, said Transformer-based framework further comprising an attention adjust module configured to receive each set of input dimensions and generate therefrom a weight modifier for modifying attention weights generated by said attention module based on the likelihood of a traffic state on one road segment influencing a traffic state on another road segment.

2. 发明申请

WO2022177502A1 SYSTEM AND METHOD FOR BIPARTITE MATCHING 审中-公开
公开(公告)号：WO2022177502A1
公开(公告)日：2022-08-25
申请号：PCT/SG2021/050740
申请日：2021-11-30
申请人： GRABTAXI HOLDINGS PTE. LTD
发明人： ABEYWICKRAMA, Tenindra Nadeeshan , LIANG, Chen
IPC分类号： G06Q10/06 , G06Q50/30
摘要： A system for bipartite matching may: receive a first set of first objects and a second set of second objects; create a minimum priority queue for each unmatched first object of the first set of first objects, wherein the minimum priority queue for each unmatched first object of the first set of first objects comprises unmatched second objects of the second set of second objects; determine a first set of edge data in which lower-bound reduced costs for matching each unmatched first object with the unmatched second objects is less than or equal to zero; determine an exact cost of each edge data in the first set of edge data; and match each unmatched first object of the first set of first objects with an unmatched second object based on the exact cost of each edge data in the first set of edge data.

3. 发明申请

WO2022081083A1 METHOD, ELECTRONIC DEVICE, AND SYSTEM FOR DETECTING OVERSPEEDING 审中-公开
公开(公告)号：WO2022081083A1
公开(公告)日：2022-04-21
申请号：PCT/SG2021/050561
申请日：2021-09-15
申请人： GRABTAXI HOLDINGS PTE. LTD.
发明人： CHATNI, Muhammad Rameez , ABEDIN, Munirul , LIN, Laiyi , LI, Miaojun
IPC分类号： G08G1/052
摘要： A method of detecting overspeeding for a vehicle, the method including obtaining historical trajectory data of a fleet of geographical areas from an electronic database; determining, by a microprocessor of a server, a distribution of speed of the historical trajectory data for each geographical area; based on the distribution of speed, determining, by a microprocessor of an electronic device associated with the vehicle, that a current speed of the vehicle is above a threshold speed corresponding to a pre-determined percentile of the distribution. A system and a computer-readable medium storing computer executable code for the method.

4. 发明申请

WO2022066098A1 METHOD AND DEVICE FOR DETERMINING A NAVIGATION PROFILE FOR A VEHICLE IN A GEOGRAPHICAL AREA 审中-公开
公开(公告)号：WO2022066098A1
公开(公告)日：2022-03-31
申请号：PCT/SG2021/050560
申请日：2021-09-15
申请人： GRABTAXI HOLDINGS PTE. LTD
发明人： WANG, Zehua , HUANG, Xiaocheng , XU, Nuo
IPC分类号： G01C21/34 , G06N20/00
摘要： Aspects concern a method for determining a navigation profile for a vehicle in a geographical area, comprising obtaining a road network, initializing a navigation map by assigning an initial speed to each road segment of the road network, training the navigation map using training data comprising a training route for each of a multiplicity of trips by, if the number of trips for which a road segment is in the training route but not in the determined route is above the first threshold, assigning a higher speed to the road segment, and, if the number of trips for which a road segment is in the determined route but not in the training route is above the second threshold, assigning a lower speed to the road segment, and determining a navigation profile including a route for a vehicle in the geographical area using the trained navigation map.

5. 发明申请

WO2022055429A1 SERVER AND METHOD FOR MULTI-MERCHANT ORDERS 审中-公开
公开(公告)号：WO2022055429A1
公开(公告)日：2022-03-17
申请号：PCT/SG2021/050544
申请日：2021-09-10
申请人： GRABTAXI HOLDINGS PTE. LTD.
发明人： GARG, Raghav , SUKHBAATAR, Batbayar , LEE, Gaeul , GANDHI, Karthikbalaji , CHEDETI, Venkata Naveen, Reddy , ZHANG, Ruike
IPC分类号： G06Q10/08 , G06Q30/02 , G06Q30/06
摘要： A server configured for multi-merchant orders is disclosed. One or more processor(s) of the server may receive in real time, a first merchant data from a user device of a user; determine at least one suitable merchant using the first merchant data and historical data in a database; display information of the at least one suitable merchant on the user device; receive a user order from the user, wherein the user order includes a first order data regarding a first item from the first merchant, and a second order data regarding a second item from a second merchant; and send the user order to a service provider device of a service provider for the service provider to pick up the first item, and the second item, and to deliver the first item and the second item to the user at a same time.

6. 发明申请

WO2022050898A1 COMMUNICATIONS SERVER APPARATUS AND METHOD FOR SIMULATING SUPPLY AND DEMAND CONDITIONS RELATED TO A TRANSPORT SERVICE 审中-公开
公开(公告)号：WO2022050898A1
公开(公告)日：2022-03-10
申请号：PCT/SG2021/050517
申请日：2021-08-27
申请人： GRABTAXI HOLDINGS PTE. LTD.
发明人： KUO, Kelly , XU, Xin , MADELIL, Ashwin , XIE, Chao
IPC分类号： G06Q50/30 , G06Q10/04
摘要： A communications server apparatus for simulating supply and demand conditions related to a transport service and deriving associated spatio-temporal prediction data, the communications server apparatus comprising a processor and a memory, and being configured, under the control of the processor, to execute instructions stored in the memory to: obtain supply and demand data, said supply data comprising service provider location and availability data and 0 said demand data comprising user bookings data; generate, using said supply and demand data, aggregated supply and demand data comprising a plurality of data records associated with a plurality of respective predetermined time periods, each record being representative of an available supply pool of one or more service provider types in one of a plurality of regions, and demand therefor, during the respective predetermined time period; generate, using said supply and demand data, probability data for each of said plurality of regions and supply pools in relation to respective predetermined time periods, said probability data comprising probability values representative of a likelihood of demand associated with respective time slot/supply pool/region combinations; perform a simulation of supply and demand conditions in said plurality of regions by mapping said aggregated supply and demand data to said probability data in a trained forecasting model and generating prediction data for each of said plurality of regions and supply pools, said prediction data being representative of a probability that a service provider will receive a user booking in a specified region within a predetermined period of time; and output said prediction data for display on a service provider communications device.

7. 发明申请

WO2022010423A1 A HELMET, METHOD AND SERVER FOR DETECTING A LIKELIHOOD OF AN ACCIDENT 审中-公开
公开(公告)号：WO2022010423A1
公开(公告)日：2022-01-13
申请号：PCT/SG2021/050442
申请日：2021-07-29
申请人： GRABTAXI HOLDINGS PTE. LTD.
发明人： HOU, Shuangquan , YU, Zhixin , ZHENG, Alexis
IPC分类号： A42B3/00 , B62J27/00 , G08B21/02 , G08B1/08
摘要： The present invention relates generally to a helmet, method and server for detecting a likelihood of an accident. According to a first aspect, the present disclosure refers to a helmet of detecting a likelihood of an accident, comprising: a sensor configured to detect a signal relating to a user wearing the helmet, the signal including information at a point in time for the user; and a processor configured to communicate with the sensor and to: determine if there is the likelihood of the accident in response to receiving the signal; generate an alert signal in response to the determination, the alert signal indicating there is the likelihood of the accident.

8. 发明申请

WO2022005403A1 COMMUNICATIONS APPARATUS AND METHOD FOR ESTIMATING POTENTIAL DEMAND FOR IMPROVED FORECASTING AND RESOURCE MANAGEMENT 审中-公开
公开(公告)号：WO2022005403A1
公开(公告)日：2022-01-06
申请号：PCT/SG2021/050383
申请日：2021-06-30
申请人： GRABTAXI HOLDINGS PTE. LTD.
发明人： GOYAL, Ankit , XIE, Chao , CAO, Yang , WENG, Renrong , WILSON, Padarn, George , LYE, Kong-Wei
IPC分类号： G06Q10/04 , G06Q50/30 , G06Q10/06 , G06Q10/02 , G06Q10/0631 , G06Q30/0202
摘要： A communications server apparatus and method for forecasting demand for services is provided, the server managing the provision of services based on received queries. Data records comprising data instances of service queries within a past time period are received. Modified data records are derived by modifying a value of a feature of one or more of the data instances to a standardized value. The feature is a parameter relating to an offer, by the server, to provide a service in response to a query. The data instances of the modified data records are input into a classification model, wherein the classification model predicts whether or not a service booking will be made. Classification predictions are output by the classification model and an estimate of potential demand for the past time period is determined based on the classification predictions, for improved forecasting of demand for services.

9. 发明申请

WO2021221563A1 METHOD FOR PREDICTING THE DESTINATION LOCATION OF A VEHICLE 审中-公开
公开(公告)号：WO2021221563A1
公开(公告)日：2021-11-04
申请号：PCT/SG2020/050261
申请日：2020-04-30
申请人： GRABTAXI HOLDINGS PTE. LTD.
发明人： LIM, Xiang Hui Nicholas , NG, See Kiong , HOOI, Bryan Kuen Yew , WENG, Renrong , VARADARAJAN, Jagannadan
IPC分类号： G06N3/02 , G06Q50/30 , G06N20/00
摘要： Aspects concern a method for predicting the destination location of a vehicle, comprising processing a local preference graph of a user of the vehicle having nodes corresponding to locations visited before by the user by a first graph neural network, processing one or more of a spatial graph representing information about geographical proximity of locations, a temporal graph representing information about locations which have been visited one after another by users and the time between the visits of the locations and a preference graph representing information about locations which have been visited one after another and the frequency of visits of the locations by a second graph neural network, combining the result of the processing by the first graph neural network and the result of the processing by the second graph neural network by at least one neural network layer and using the output of the at least one neural network layer as prediction of the destination location.

10. 发明申请

WO2021194412A1 ALLOCATION SYSTEM, ALLOCATION DEVICE AND ALLOCATION METHOD 审中-公开
公开(公告)号：WO2021194412A1
公开(公告)日：2021-09-30
申请号：PCT/SG2020/050155
申请日：2020-03-23
申请人： GRABTAXI HOLDINGS PTE. LTD.
发明人： WIRAWAN, Hendra Teja , HUANG, Keqi , LIU, Chunlei , SANCHETI, Mayank , NIU, Junpeng , REN, Ruochen
IPC分类号： G06Q10/06 , G06Q50/30
摘要： Aspects concern an allocation system (100), comprising a receiving unit (114) configured to receive a delivery order having a cash flow value of cash money and configured to determine cash on hand value of a plurality of delivery drivers (DD), respectively, a subset (132, 134, 136) generator unit (116), communicatively coupled with the receiving unit (114), configured to generate at least a subset (132, 134, 136) of the plurality of delivery drivers (DD) based on the cash flow value of the delivery order and the cash on hand value of each delivery driver (DD); and a transmitter unit (118) configured to transmit the delivery order only to the delivery drivers of the subset (132, 134, 136).

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