Chenyu (Larry) Wang

Methods, systems and apparatuses for selecting which of a plurality of sensors to use for location detection of a mobile device are disclosed. One method includes activating lowest-power location-related sensors of the mobile device at power up of a mobile device, and activating medium-power location-related sensors of the mobile device upon detection of motion of the mobile device and/or a change in a wireless connection to the mobile device.

Methods, systems and apparatuses for automatically detecting and sharing user stays of a mobile device of a user are disclosed. One method includes persistently collecting location information, determining a group of users for sharing the user stays, determining whether the mobile device is within a specific distance of a specific location for at least specific minimum duration based on the location information, determining a user stay based on the location information and the specific… Show more

Methods, systems and apparatuses for automatically detecting and sharing user stays of a mobile device of a user are disclosed. One method includes persistently collecting location information, determining a group of users for sharing the user stays, determining whether the mobile device is within a specific distance of a specific location for at least specific minimum duration based on the location information, determining a user stay based on the location information and the specific distance, determining if the user stay is private or public to at least a portion of the group of users based on preferences of the user and the location information, and sharing the user stay with the at least the portion of the group of users by sending notifications to the group of users if the user stay is determined to be public to the at least the portion of the group of users. Show less

Methods, systems and apparatuses for automatically determining user stays of a user of a mobile device are disclosed. One embodiment includes a network server operative to receive sensed location information of a mobile device. Further, the network server and/or a controller of the mobile device are operative to determine the mobile device is within a specific distance of a specific location for at least specific minimum time duration based on the location information, determine a start time of… Show more

Methods, systems and apparatuses for automatically determining user stays of a user of a mobile device are disclosed. One embodiment includes a network server operative to receive sensed location information of a mobile device. Further, the network server and/or a controller of the mobile device are operative to determine the mobile device is within a specific distance of a specific location for at least specific minimum time duration based on the location information, determine a start time of a user stay based on the location information, the specific location and the specific distance, and determine an end time of the user stay based on the location information, the specific location and the specific distance. Show less

Methods, systems and apparatus for tracking points of interest of a user of a mobile device are disclosed. One method includes determining points of interest of a user of a mobile device. The method includes obtaining user-related information, wherein the user-related information includes spatial information about the user, and determining at least one point of interest of the user based on the user-related information. Another embodiment includes an apparatus for determining points of interest… Show more

Methods, systems and apparatus for tracking points of interest of a user of a mobile device are disclosed. One method includes determining points of interest of a user of a mobile device. The method includes obtaining user-related information, wherein the user-related information includes spatial information about the user, and determining at least one point of interest of the user based on the user-related information. Another embodiment includes an apparatus for determining points of interest of a user. For one embodiment, the apparatus is a mobile device. The mobile device is operative to obtain user-related information, wherein the user-related information comprising spatial information about the user, and the mobile device is operative to determine at least one point of interest of the user based on the user-related information. Show less

Methods, systems and apparatuses for controlling a location sensing system of a mobile device are disclosed. One method includes collecting location related information of the mobile device. The method further includes controllably setting the mobile device to operate in one of a high-power state, a low-power state, or a transitional state based on the collected location related information, wherein a satellite-based positioning system receiver of the mobile device generates location… Show more

Methods, systems and apparatuses for controlling a location sensing system of a mobile device are disclosed. One method includes collecting location related information of the mobile device. The method further includes controllably setting the mobile device to operate in one of a high-power state, a low-power state, or a transitional state based on the collected location related information, wherein a satellite-based positioning system receiver of the mobile device generates location information in the transitional state and in the on-state, and the satellite-based positioning system receiver does not generate location information in the low-power state. When operating in the transitional state, the mobile device repeatedly checks the collected location related information and transitions to the low-power state or the high-power state based on the collected location related information. Show less

Methods, systems and apparatuses for generating a user profile of a mobile device user are disclosed. One method includes tracking user stays of the user over time, wherein the user stays include at least one location, and generating the user profile based at least in part on at least one of an arrival time, a time duration or a frequency of visits of the user at each of the user stays. Another method includes determining a current state of a mobile device user. The method includes tracking… Show more

Methods, systems and apparatuses for generating a user profile of a mobile device user are disclosed. One method includes tracking user stays of the user over time, wherein the user stays include at least one location, and generating the user profile based at least in part on at least one of an arrival time, a time duration or a frequency of visits of the user at each of the user stays. Another method includes determining a current state of a mobile device user. The method includes tracking locations of user stays of the mobile device user over time, and determining a current state of a mobile device user based on user stays within a predetermined time of a present time, wherein the predetermined time is dependent upon an application of the user device or an observed behavior of a user of the user device. Show less

Methods, systems and apparatuses for using wireless access points to identify points of interest (POIs), are disclosed. One embodiment includes a method of using wireless access points to identify points of interest (POIs). The method includes collecting wireless access data points, wherein the wireless access data points comprise at least one wireless access point signature of at least one wireless access element of the wireless access points, analyzing the wireless access data points over a… Show more

Methods, systems and apparatuses for using wireless access points to identify points of interest (POIs), are disclosed. One embodiment includes a method of using wireless access points to identify points of interest (POIs). The method includes collecting wireless access data points, wherein the wireless access data points comprise at least one wireless access point signature of at least one wireless access element of the wireless access points, analyzing the wireless access data points over a time window, comprising identifying segments within the time window, and matching a point of interest (POI) with each identified segment. Show less

Methods, systems and apparatus for ranking potential points of interest (POIs) of a user stay are disclosed. One system includes an upstream server connected through a network to a mobile device. At least one of the upstream server and a controller of the mobile device is operative to estimate a location of a user stay of the mobile device, access a database of POIs, and parameters of the POIs, and generate a ranking score for a plurality of POIs based on a weighted comparison of each of the… Show more

Methods, systems and apparatus for ranking potential points of interest (POIs) of a user stay are disclosed. One system includes an upstream server connected through a network to a mobile device. At least one of the upstream server and a controller of the mobile device is operative to estimate a location of a user stay of the mobile device, access a database of POIs, and parameters of the POIs, and generate a ranking score for a plurality of POIs based on a weighted comparison of each of the parameters of the POIs with corresponding parameters of the user stay. Show less

Methods, systems and apparatuses for real-time determination of user stays of a mobile device are disclosed. One computer-implemented method includes receiving, by a server, an incoming stream of location point information of the mobile device. Further, the method includes continuously calculating, by the server, a current centroid of a current user stay based on a location point of a start time of the current user stay, each location point occurring between the start time and a current… Show more

Methods, systems and apparatuses for real-time determination of user stays of a mobile device are disclosed. One computer-implemented method includes receiving, by a server, an incoming stream of location point information of the mobile device. Further, the method includes continuously calculating, by the server, a current centroid of a current user stay based on a location point of a start time of the current user stay, each location point occurring between the start time and a current incoming location point, until an outlier location point is detected, wherein the outlier is detected if located more than a threshold distance away from the current centroid.
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