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    • 62. 发明授权
    • System and methods for determining the location dynamics of a portable computing device
    • 用于确定便携式计算设备的位置动态的系统和方法
    • US07250907B2
    • 2007-07-31
    • US10610190
    • 2003-06-30
    • John C. KrummErc J. Horvitz
    • John C. KrummErc J. Horvitz
    • G01S1/24
    • G01S5/0252G01C21/206H04L29/06Y10S707/99937
    • A location system for locating and determining the motion and velocity of a wireless device. The methods include direct inferences about whether a device is in motion versus static based on a statistical analysis of the variation of radio signal strengths over time. The system is trained according to a sparse set of identified locations from which signal strengths are measured. The system uses the signal properties of the identified locations to interpolate for a new location of the wireless device. The system uses a probabilistic graph where the identified locations of the floor plan, expected walking speeds of pedestrians, and independent inference of whether or not the device is in motion are used to determine the new location of the device.
    • 用于定位和确定无线设备的运动和速度的定位系统。 这些方法包括基于无线电信号强度随时间的变化的统计分析,关于设备是否运动与静态的直接推断。 根据测量信号强度的识别位置的稀疏集合对系统进行训练。 该系统使用所识别的位置的信号属性来内插无线设备的新位置。 该系统使用概率图,其中识别的平面图的位置,行人的预期步行速度以及设备是否运动的独立推断被用于确定设备的新位置。
    • 64. 发明授权
    • Integration of location logs, GPS signals, and spatial resources for identifying user activities, goals, and context
    • 集成位置记录,GPS信号和空间资源,用于识别用户活动,目标和上下文
    • US08539380B2
    • 2013-09-17
    • US13040067
    • 2011-03-03
    • John C. KrummEric J. HorvitzRamaswamy Hariharan
    • John C. KrummEric J. HorvitzRamaswamy Hariharan
    • G06F3/048G06F3/14
    • G06F17/30522G06F17/3087H04L67/18H04W4/02H04W4/029H04W4/18
    • Described are methods that utilize a geographic location technology (e.g., GPS) to determine user location data, and existing network-based websites (e.g., Internet websites) for searching and accessing data related to the location data such that the user context can be developed and stored. A location component is provided that determines location data of a wireless communications device of a user. A context component is provided that accesses context data based on the location data to define a context in which the device is located. Activities, goals, and overall context of a user can be inferred through statistical fusion of multiple sources of evidence. The context data is presented to the user via the wireless device such that the user can make decisions as to where to go, for example. User preferences can be accessed and applied to filter context data according to what the user desires to see and access.
    • 描述的是利用地理位置技术(例如,GPS)来确定用户位置数据的方法以及用于搜索和访问与位置数据相关的数据的现有的基于网络的网站(例如,因特网网站),使得可以开发用户上下文 并存储。 提供了确定用户的无线通信设备的位置数据的位置组件。 提供了基于位置数据访问上下文数据以定义设备所在的上下文的上下文组件。 可以通过统计融合多种证据来推断用户的活动,目标和总体情境。 上下文数据经由无线设备呈现给用户,使得用户可以做出关于例如去哪里的决定。 用户偏好可以被访问并应用于根据用户期望查看和访问的内容来过滤上下文数据。
    • 67. 发明授权
    • Location-to-landmark
    • 位置到地标
    • US08155877B2
    • 2012-04-10
    • US11947334
    • 2007-11-29
    • Patrick M. BaudischJohn C. Krumm
    • Patrick M. BaudischJohn C. Krumm
    • G01C21/00
    • G01C21/3644G01C21/36G01C21/3647G01C21/3679
    • A mapping application that returns results for a target location as a function of at least one nearby landmark. The one or more nearby landmarks can be selected based on an expected user familiarity with the landmark, a precision of the landmark and/or a spatial relationship of the landmark with respect to the target location. Although landmarks are an integral aspect of navigation, they have rarely been used within electronic navigation devices. Electronic navigation means for a mobile device or other devices can guide the user along a route using photographs of landmarks together with audio and text instructions that reference these landmarks. This can assist older users who often find their mobility hampered by declines in sensory, cognitive and motor abilities.
    • 作为至少一个附近地标的函数返回目标位置的结果的映射应用程序。 可以基于期望的用户熟悉地标,地标的精度和/或地标相对于目标位置的空间关系来选择一个或多个附近地标。 虽然地标是导航的一个组成部分,但它们很少在电子导航设备中使用。 用于移动设备或其他设备的电子导航装置可以使用沿着路线的照片的用户引导用户以及引用这些地标的音频和文本指令。 这可以帮助那些经常发现自己的移动受到感官,认知和运动能力下降阻碍的老年用户。
    • 68. 发明授权
    • Methods for predicting destinations from partial trajectories employing open-and closed-world modeling methods
    • 使用开放和封闭世界建模方法从部分轨迹预测目的地的方法
    • US08024112B2
    • 2011-09-20
    • US11426540
    • 2006-06-26
    • John C. KrummEric J. Horvitz
    • John C. KrummEric J. Horvitz
    • G01C21/30G01C21/32
    • G01C21/3617G01C21/20G01C21/24G01C21/26G01C21/34H04W4/02
    • The claimed subject matter provides systems and/or methods that facilitate inferring probability distributions over the destinations and/or routes of a user, from observations about context and partial trajectories of a trip. Destinations of a trip are based on at least one of a prior and a likelihood based at least in part on the received input data. The destination estimator component can use one or more of a personal destinations prior, time of day and day of week, a ground cover prior, driving efficiency associated with candidate locations, and a trip time likelihood to probabilistically predict the destination. In addition, data gathered from a population about the likelihood of visiting previously unvisited locations and the spatial configuration of such locations may be used to enhance the predictions of destinations and routes.
    • 所要求保护的主题提供了有助于从关于行程的上下文和部分轨迹的观察中推断出用户的目的地和/或路线上的概率分布的系统和/或方法。 旅行的目的地至少部分地基于所接收的输入数据,基于至少一个先验和可能性。 目的地估计器组件可以使用个人目的地中的一个或多个,一天中的一天和一天中的一天,一个地面覆盖先前,与候选位置相关联的驾驶效率,以及概率地预测目的地的行程时间可能性。 此外,从群体收集关于访问以前未访问的位置的可能性的数据以及这些位置的空间配置可以用于增强目的地和路线的预测。
    • 70. 发明授权
    • Integration of location logs, GPS signals, and spatial resources for identifying user activities, goals, and context
    • 集成位置记录,GPS信号和空间资源,用于识别用户活动,目标和上下文
    • US07925995B2
    • 2011-04-12
    • US11172474
    • 2005-06-30
    • John C. KrummEric J. HorvitzRamaswamy Hariharan
    • John C. KrummEric J. HorvitzRamaswamy Hariharan
    • G06F3/048G06F3/14
    • G06F17/30522G06F17/3087H04L67/18H04W4/02H04W4/029H04W4/18
    • Described are methods that utilize a geographic location technology (e.g., GPS) to determine user location data, and existing network-based websites (e.g., Internet websites) for searching and accessing data related to the location data such that the user context can be developed and stored. A location component is provided that determines location data of a wireless communications device of a user. A context component is provided that accesses context data based on the location data to define a context in which the device is located. Activities, goals, and overall context of a user can be inferred through statistical fusion of multiple sources of evidence. The context data is presented to the user via the wireless device such that the user can make decisions as to where to go, for example. User preferences can be accessed and applied to filter context data according to what the user desires to see and access.
    • 描述的是利用地理位置技术(例如,GPS)来确定用户位置数据的方法以及用于搜索和访问与位置数据相关的数据的现有的基于网络的网站(例如,因特网网站),使得可以开发用户上下文 并存储。 提供了确定用户的无线通信设备的位置数据的位置组件。 提供了基于位置数据访问上下文数据以定义设备所在的上下文的上下文组件。 可以通过统计融合多种证据来推断用户的活动,目标和总体情境。 上下文数据经由无线设备呈现给用户,使得用户可以做出关于例如去哪里的决定。 用户偏好可以被访问并应用于根据用户期望查看和访问的内容来过滤上下文数据。