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1.发明授权公开(公告)号：US09245046B2
公开(公告)日：2016-01-26
申请号：US14313710
申请日：2014-06-24
Applicant: GOOGLE INC.
Inventor： Thomas Gregory Nourse , Hans-Olav CaveLie
CPC classification number: G06F17/30902 , G01C21/20 , G01C21/32 , G01S19/14
Abstract: Map tile data for displaying graphic elements of a web-based mapping system in a mobile computing device may be pre-fetched to the device based on an analysis of the historical uses of a mapping module at that device. A user mapping activity module executing on the mobile device may retrieve user mapping activity data. The module may then extract geographic location data from the user mapping activity data and send the extracted data to a mapping system via a network connection. The mapping system may then match map tile data to the geographic location data extracted from the user mapping activity data and send the matched data to the mobile computing device for cache storage at the mobile computing device. The user mapping activity module may also analyze the user mapping activity data to determine whether the extracted geographic location data is relevant enough to warrant pre-fetching the tile data.
Abstract translation: 可以基于对该设备上的映射模块的历史使用的分析，将用于显示移动计算设备中的基于web的映射系统的图形元素的地图瓦片数据预取到设备。 在移动设备上执行的用户映射活动模块可以检索用户映射活动数据。 然后，该模块可以从用户映射活动数据中提取地理位置数据，并通过网络连接将提取的数据发送到映射系统。 然后，映射系统可以将映射块数据与从用户映射活动数据提取的地理位置数据匹配，并将匹配的数据发送到移动计算设备，以在移动计算设备处进行高速缓存存储。 用户映射活动模块还可以分析用户映射活动数据，以确定所提取的地理位置数据是否足够相关，以保证预取片数据。
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Patent Agency Ranking
公开(公告)号：US09569463B1
公开(公告)日：2017-02-14
申请号：US14215471
申请日：2014-03-17
Applicant: GOOGLE INC.
Inventor： Thomas Gregory Nourse , Michael Siliski , Hans-Olav CaveLie , Ronghui Zhu
CPC classification number: G06F17/30241 , G01C21/32 , G01C21/367 , G06F3/14 , G06F17/30528 , G09G2340/045 , G09G2360/121 , G09G2360/122 , H04W4/185 , H04W64/00
Abstract: A pre-fetching map data system and method identifies a subset of map data to corresponding to one or more points of interest to be displayed on the map. The map data is stored on a remote map database and in the form of map data tiles. The system identifies those map data tiles that correspond to the subset of map data corresponding to the one or more points of interest, where the identified pre-fetch map data tiles are sent from the remote database to a client device for cache storage. The pre-fetch map data tiles are identified using a variable map tile radius, which when extended from the points of interest defines the map tiles that qualify as pre-fetch map data tiles. The tile radius can be fixed or dynamically adjusted and changes across different map zoom levels.
Abstract translation: 预取地图数据系统和方法将地图数据的子集识别为对应于要在地图上显示的一个或多个兴趣点。 地图数据存储在远程地图数据库上，并以地图数据瓦片的形式存储。 系统识别对应于与一个或多个感兴趣点相对应的地图数据的子集的那些地图数据瓦片，其中所识别的预取地图数据瓦片从远程数据库发送到用于高速缓存存储的客户端设备。 使用可变地图瓦片半径来识别预取地图数据瓦片，当从兴趣点扩展时，可以定义符合预取地图数据瓦片的地图瓦片。 瓦片半径可以固定或动态调整，并在不同的地图缩放级别上进行更改。
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公开(公告)号：US20160080518A1
公开(公告)日：2016-03-17
申请号：US14949787
申请日：2015-11-23
Applicant: GOOGLE INC.
Inventor： Thomas Gregory Nourse , Hans-Olav CaveLie , Ronghui Zhu , Andrew Miller
CPC classification number: H04L67/2847 , G01C21/26 , G01C21/32 , G06F17/30902 , H04L67/02 , H04L67/42 , H04W4/029
Abstract: A computer-implemented method and system for pre-fetching remote resource data from a remote mapping system for display on a client computing device is disclosed. Data received at a client device from an online mapping system in response to a query from the client device includes vector and remote resource data. Vector data is rasterized by the client device to depict graphical elements that are easily described by mathematical formulas. Remote resource data includes digital map elements that are not easily described by vectors, but instead, must be relayed to the client device as either bitmaps or references (e.g., URLs) to remote resources that are resolved at the backend or the client device. This remote resource data is prefetched to a client device so that it will be available for subsequent mapping application searches without resolving a corresponding reference to the remote resource data for each search.
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公开(公告)号：US09491255B2
公开(公告)日：2016-11-08
申请号：US14949787
申请日：2015-11-23
Applicant: GOOGLE INC.
Inventor： Thomas Gregory Nourse , Hans-Olav CaveLie , Ronghui Zhu , Andrew Miller
CPC classification number: H04L67/2847 , G01C21/26 , G01C21/32 , G06F17/30902 , H04L67/02 , H04L67/42 , H04W4/029
Abstract: A computer-implemented method and system for pre-fetching remote resource data from a remote mapping system for display on a client computing device is disclosed. Data received at a client device from an online mapping system in response to a query from the client device includes vector and remote resource data. Vector data is rasterized by the client device to depict graphical elements that are easily described by mathematical formulas. Remote resource data includes digital map elements that are not easily described by vectors, but instead, must be relayed to the client device as either bitmaps or references (e.g., URLs) to remote resources that are resolved at the backend or the client device. This remote resource data is prefetched to a client device so that it will be available for subsequent mapping application searches without resolving a corresponding reference to the remote resource data for each search.
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5.发明授权公开(公告)号：US08972529B1
公开(公告)日：2015-03-03
申请号：US14196484
申请日：2014-03-04
Applicant: Google Inc.
Inventor： Hans-Olav CaveLie
CPC classification number: H04L67/2842 , G06F17/30241 , G06F17/30457
Abstract: Map tile data for displaying graphic elements of a web-based mapping system in a mobile computing device may be pre-fetched to the device based on selection of an option to store the data at the device. A request for mapping system data may be sent from a mobile computing device to a remote mapping system via a network connection. The request may include user-specified location data. The remote mapping system may retrieve the mapping data corresponding to the user-specified location data and send it to the mobile computing device via the network connection. The mobile computing device may receive the retrieved mapping data and display a selectable option to store or not store the mapping data in a cache memory of the mobile computing device. The retrieved mapping data may then be stored at the mobile computing device in response to selection of the option to store the mapping data.
Abstract translation: 可以基于在设备上存储数据的选项的选择来将用于显示移动计算设备中的基于网络的映射系统的图形元素的地图瓦片数据预取到设备。 映射系统数据的请求可以经由网络连接从移动计算设备发送到远程映射系统。 该请求可以包括用户指定的位置数据。 远程映射系统可以检索与用户指定的位置数据相对应的映射数据，并经由网络连接将其发送到移动计算设备。 移动计算设备可以接收检索到的映射数据并显示可选择的选项以存储或不将映射数据存储在移动计算设备的高速缓冲存储器中。 响应于存储映射数据的选项的选择，所检索的映射数据然后可被存储在移动计算设备处。
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6.发明申请公开(公告)号：US20140310299A1
公开(公告)日：2014-10-16
申请号：US14313710
申请日：2014-06-24
Applicant: GOOGLE INC.
Inventor： Thomas Gregory Nourse , Hans-Olav CaveLie
IPC: G06F17/30
CPC classification number: G06F17/30902 , G01C21/20 , G01C21/32 , G01S19/14
Abstract: Map tile data for displaying graphic elements of a web-based mapping system in a mobile computing device may be pre-fetched to the device based on an analysis of the historical uses of a mapping module at that device. A user mapping activity module executing on the mobile device may retrieve user mapping activity data. The module may then extract geographic location data from the user mapping activity data and send the extracted data to a mapping system via a network connection. The mapping system may then match map tile data to the geographic location data extracted from the user mapping activity data and send the matched data to the mobile computing device for cache storage at the mobile computing device. The user mapping activity module may also analyze the user mapping activity data to determine whether the extracted geographic location data is relevant enough to warrant pre-fetching the tile data.
Abstract translation: 可以基于对该设备上的映射模块的历史使用的分析，将用于显示移动计算设备中的基于web的映射系统的图形元素的地图瓦片数据预取到设备。 在移动设备上执行的用户映射活动模块可以检索用户映射活动数据。 然后，该模块可以从用户映射活动数据中提取地理位置数据，并通过网络连接将提取的数据发送到映射系统。 然后，映射系统可以将映射块数据与从用户映射活动数据提取的地理位置数据匹配，并将匹配的数据发送到移动计算设备，以在移动计算设备处进行高速缓存存储。 用户映射活动模块还可以分析用户映射活动数据，以确定所提取的地理位置数据是否足够相关，以保证预取片数据。
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