46 citations · 53 across the 3 of their papers we have counts for
3 papers
cs.DS2014
Bounded Quadrant System: Error-bounded Trajectory Compression on the Go
Jiajun Liu, Kun Zhao, Philipp Sommer +3
Long-term location tracking, where trajectory compression is commonly used, has gained high interest for many applications in transport, ecology, and wearable computing. However, s…
cs.SI2014★ 7 cited
Multi-scale Population and Mobility Estimation with Geo-tagged Tweets
Jiajun Liu, Kun Zhao, Saeed Khan +2
Recent outbreaks of Ebola and Dengue viruses have again elevated the significance of the capability to quickly predict disease spread in an emergent situation. However, existing ap…
cond-mat.stat-mech2014★ 46 cited
Optimal Lévy-flight foraging in a finite landscape
Kun Zhao, Raja Jurdak, Jiajun Liu +5
We present a simple model to study Lévy-flight foraging in a finite landscape with countable targets. In our approach, foraging is a step-based exploratory random search process wi…