Yunhuai Liu
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| title | conference | date |
|---|---|---|
| HERMAS: A Human Mobility Embedding Framework with Large-scale Cellular Signaling Data | UbiComp 2021 | 2021-09-21 |
HERMAS learns city-scale mobility embeddings from a 30-day cellular signaling dataset with 130,612 users and 2,369,267 trajectories, using a two-stage tower… | ||
| ALWAES: Automatic Location-Aware Correction System for Online Delivery Platforms | UbiComp 2021 | 2021-09-21 |
ALWAES automatically detects and corrects merchant location errors by mining courier travel times from 10+ million orders, training a distance-estimation… | ||
| MIFF: Human Mobility Extractions with Cellular Signaling Data under Spatio-temporal Uncertainty | UbiComp 2021 | 2021-09-21 |
A framework called MIFF fuses cell-tower signaling traces before map matching and uses a confidence DTW (CDTW) similarity to find homogeneous traces from a… | ||
| From Conception to Retirement: a Lifetime Story of a 3-Year-Old Wireless Beacon System | NSDI ’21 | 2021-04-12 |
Three-year city-scale deployment of customized BLE beacons (pilot 8 months, operation 28 months) places a device at each merchant to infer arrival/departure… | ||
| Extending Coverage of Stationary Sensing Systems with Mobile Sensing Systems for Human Mobility ... | UbiComp / ISWC 2020 | 2020-09-12 |
A system called Mohen links a city-scale stationary sensing network of highway toll stations to a small-scale mobile sensing GPS corpus to infer where people… | ||
| CellPred: A Behavior-aware Scheme for Cellular Data Usage Prediction | UbiComp / ISWC 2020 | 2020-09-12 |
Claims per-user cellular data prediction improves tower-level forecasts by adding behavioral tags from subscription records and mobility/usage signals. Uses a… | ||
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