Keqiang Liu

发表

A Method of Radio Map Construction Based on Crowdsourcing and Interpolation for Wi-Fi Positioning System

Jingxue Bi, Yunjia Wang, Hongxia Qi, 2018, 2018 International Conference on Indoor Positioning and Indoor Navigation (IPIN).

Contextual Thinking for Inference and Prediction of Daily Activities by Mining Smartphone Data

Yuwei Chen, Ruizhi Chen, Keqiang Liu, 2015 .

An Analysis of Impact Factors for Positioning Performance in WLAN Fingerprinting Systems Using Ishikawa Diagrams and a Simulation Platform

Guoliang Chen, Yunjia Wang, Keqiang Liu, 2017, Mob. Inf. Syst..

Enhancing the Probability Models for Inference of Significant Activities Using a Real-time Learning Machine in Smartphone

Ruizhi Chen, Keqiang Liu, Tianxing Chu, 2015 .

Efficient Syntactic Process Difference Detection Using Flexible Feature Matching

Jianmin Wang, Lijie Wen, Yuquan Wang, 2014, AP-BPM.

Differential Barometric Altimetry Assists Floor Identification in WLAN Location Fingerprinting Study

Jian Wang, Yunjia Wang, Keqiang Liu, 2014, Principle and Application Progress in Location-Based Services.

Recognizing Human Activities in Smartphones: A Comprehensive Algorithm Assessment of a Multiple Context Approach

Yuwei Chen, Ruizhi Chen, Jingbin Liu, 2016 .

Reciprocal Estimation of Pedestrian Location and Motion State toward a Smartphone Geo-Context Computing Solution

Juha Hyyppä, Ruizhi Chen, Jingbin Liu, 2015, Micromachines.

Efficient syntactic process difference detection and its application to process similarity search

Lijie Wen, Yuquan Wang, Jianmin Wang, 2015 .

A Survey of Human Activity Recognition Using Smartphones

Ruizhi Chen, Jingxue Bi, Keqiang Liu, 2016 .

Inferring Human Activity in Mobile Devices by Computing Multiple Contexts

Yuwei Chen, Ruizhi Chen, Jingbin Liu, 2015, Sensors.