Kharita is map construction algorithm to build and update road networks using crowd-sourced GPS traces. Kharita is a result of a long-term collaboration between QCRI and QMIC.

People: Sofiane Abbar, Rade Stanojevic, Saravanan Thirumurugunathan, Sanjay Chawla (QCRI), Fethi Filali, and Ahid Aleimat (QMIC)

Publications

• Road Network Fusion for Incremental Map Updates. LBS 2018
• Robust Road Map Inference through Network Alignment of Trajectories. SIAM SDM 2018

Softwares on Github

• Kharita and Kharita* for map construction
• MapFuse for map update (Private for now)

Unthule (un-thule) is a system designed to build road networks from aerial images using deep-learning techniques. RoadRunner is another system for map inference that relies solely on GPS traces. These systems are the results of a collaboration between QCRI and CSAIL MIT.

People: Sofiane Abbar, Sanjay Chawla (QCRI), Hari Balakrishnan*, Favyen Bastani*, Songtao He*, Sam Madden*, Mohamed Alizahed*, David Dewit* (MIT CSAIL)

Publications

• Unthule: Automatic Map Inference from Aerial Images, CVPR'18
• RoadRunner: Improving the Precision of Road Network Inference from GPS Trajectories. Submitted to KDD'18

Software on Github

• Coming soon

This project aims at understanding mobility and resilience in cities around the world.

People: Sofiane Abbar, Abdelkader Baggag, Noora Al Emadi, Tahar Zanouda (QCRI), Javier Borge (CoSN3), Yanyan Xu, Marta Gonzalez (MIT)

Relevant stakeholders: QMIC, SCDL, Qatar Rail

Publications

• Reachability Index for Facility Spatial Distribution. Xu et al. [In preparation]
• Structural Robustness and Service Reachability in Urban Settings. Abbar et al. In (Springer) Data Mining and Knowledge Discovery Journal . 2018
• On the Role of Political Affiliation in Human Perception: The Case of Delhi OddEven Experiment. Zanouda et al. SocInfo 2017.
• QT2S: Real-Time Road Traffic Monitoring Via Tweet Grounding. Al Emadi et al. ICWSM 2017.
• Resilience and Robustness of Cities Around the World. Abbar et al. UrbComp'16. [presentation | video]
• A Multiplex Approach to Urban Mobility. Baggag et al. Complex Networks 2016.
• Using Twitter to Understand Public Interest in Climate Change: The Case of Qatar. Abbar et. SWEEM'16.
• Temporal Regularized Tensor Factorization for Monitoring and Forecasting of Traffic Congestion. Baggag et al. [Under review @IEEE TKDE]
• Coverage and Robustness in Multi-Modal Transportation Networks. Baggag et al. [Under review @EPJ Data Science]

Softwares on Github

• Coming soon