Accepted Papers

Full Papers (Research and Industry)

Ride-sharing is About Agreeing on a Destination
A. K. M. Mustafizur Rahman Khan (The University of Melbourne), Oscar Correa (University of Melbourne), Egemen Tanin (University of Melbourne), Lars Kulik (The University of Melbourne), Ramamohanarao Kotagiri (The University of Melbourne)

RICCmeet: Efficient Processing of Novel Reachability Queries on Large Spatiotemporal Datasets
Elena Strzheletska (University of California, Riverside), Vassilis Tsotras (UC Riverside)

Flood Risk Analysis on Terrains
Mathias Rav (MADALGO, Aarhus University), Aaron Lowe (Duke University), Pankaj K. Agarwal (Duke University)

Smart-phone based Spatio-temporal Sensing for Annotated Transit Map Generation
Rohit Verma (Indian Institute of Technology Kharagpur), Surjya Ghosh (IIT Kharagpur), Niloy Ganguly (Indian Institute of Technology Kharagpur), Bivas Mitra (Indian Institute of Technology Kharagpur), Sandip Chakraborty (Indian Institute of Technology Kharagpur)

Where's Waldo? Geosocial Search over Myriad Geotagged Posts
Barak Pat (Facebook), Yaron Kanza (AT&T Labs - Research)

Deriving Double-Digitized Road Network Geometry from Probe Data
Ole Henry Dørum (HERE)

The Tale of Two Localization Technologies: Enabling Accurate Low-Overhead WiFi-based Localization for Low-end Phones
Ahmed Shokry (E-JUST), Moustafa Elhamshary (Tanta University), Moustafa Youssef (E-JUST)

Indexing Geolocated Time Series Data
Georgios Chatzigeorgakidis (University of Peloponnese), Dimitrios Skoutas (IMIS, R.C. Athena), Kostas Patroumpas (IMIS, R.C. Athena), Spiros Athanasiou (IMIS, R.C. Athena), Spiros Skiadopoulos (University of Peloponnese)

From ITDL to Place2Vec - Reasoning About Place Type Similarity and Relatedness by Learning Embeddings From Augmented Spatial Contexts
Bo Yan (University of California, Santa Barbara), Krzysztof Janowicz (University of California, Santa Barbara), Gengchen Mai (University of California, Santa Barbara), Song Gao (University of California Santa Barbara)

Mining Public Datasets for Modeling Intra-City PM2.5 Concentrations at a Fine Spatial Resolution
Yijun Lin (University of Southern California), Yao-Yi Chiang (University of Southern California), Fan Pan (University of Southern California), Dimitris Stripelis (University of Southern California), Jose Luis Ambite (University of Southern California), Sandrah Eckel (University of Southern California), Rima Habre (University of Southern California)

Inferring Traffic Cascading Patterns
Yuxuan Liang (Xidian University), Zhongyuan Jiang (Xidian University), Yu Zheng (Microsoft Research Asia)

City-wide Traffic Volume Inference with Loop Detector Data and Taxi Trajectories
Chuishi Meng (SUNY Buffalo), Xiuwen Yi (Microsoft Research), Lu Su (SUNY Buffalo), Jing Gao (SUNY Buffalo), Yu Zheng (Microsoft Research)

An On-line Truthful and Individually Rational Pricing Mechanism for Ride-sharing
Mohammad Asghari (University of Southern California), Cyrus Shahabi (University of Southern California)

Best-Compromise In-Route Nearest Neighbor Queries
Elham Ahmadi (University of Alberta), Camila Ferreira Costa (University of Alberta), Mario A. Nascimento (University of Alberta)

A PostGIS extension to support advanced spatial data types and integrity constraints
Luís Eduardo Oliveira Lizardo (Universidade Federal de Minas Gerais), Clodoveu Augusto Davis Junior (Universidade Federal de Minas Gerais)

Clustering trajectories for map construction
Kevin Buchin (Eindhoven University of Technology), Maike Buchin (Ruhr-Universität Bochum), David Duran (Universitat Politècnica de Catalunya), Brittany Terese Fasy (Montana State University), Roel Jacobs (Eindhoven University of Technology), Vera Sacristán (Universitat Politècnica de Catalunya), Rodrigo I. Silveira (Universitat Politècnica de Catalunya), Frank Staals (Aarhus University), Carola Wenk (Tulane University)

Spatial Ensemble Learning for Heterogeneous Geographic Data with Class Ambiguity: A Summary of Results
Zhe Jiang (University of Alabama), Yan Li (University of Minnesota), Shashi Shekhar (University of Minnesota), Lian Rampi (University of Minnesota), Joseph Knight (University of Minnesota)

iSPEED: an Efficient In-Memory Based Spatial Query System for Large-Scale 3D Data with Complex Structures
Yanhui Liang (Stony Brook University), Hoang Vo (Stony Brook University), Jun Kong (Emory University), Fusheng Wang (Stony Brook University)

Spatiotemporal Join on Apache Spark
Randall Whitman (Esri), Michael Park (Esri), Bryan Marsh (Esri), Erik Hoel (Esri)

Dictionary Compression in Point Cloud Data Management
Mirjana Pavlovic (EPFL), Kai-Niklas Bastian (SAP SE), Hinnerk Gildhoff (SAP SE), Anastasia Ailamaki (EPFL)

Urban Travel Time Prediction using a Small Number of GPS-floating Cars
Yang Li (Stanford University), Dimitrios Gunopulos (UoA), Cewu Lu (Shanghai Jiaotong University), Leonidas Guibas (Stanford University)

Feature-centric ranking algorithms for georeferenced video search
Holger Fritze (Institute for Geoinformatics - University of Muenster), Auriol Degbelo (Institute for Geoinformatics - University of Muenster), Tobias Brüggentisch (Institute for Geoinformatics - University of Muenster), Christian Kray (Institute for Geoinformatics - University of Muenster)

Crossing Patterns in Nonplanar Road Networks
David Eppstein (Univ. of California, Irvine), Siddharth Gupta (University of California, Irvine)

Forecasting Gathering Events through Continuous Destination Prediction on Big Trajectory Data
Amin Vahedian Khezerlou (The University of Iowa), Xun Zhou (The University of Iowa), Ling Tong (The University of Iowa), Yanhua Li (Worcester Polytechnic Institute), Jun Luo (Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences)

Exploiting Data Dependency to Mitigate Stragglers in Distributed Spatial Simulation
Eman Bin Khunayn (University of Melbourne), Shanika Karunasekera (University of Melbourne), Hairuo Xie (University of Melbourne), Kotagiri Ramamohanarao (University of Melbourne)

The Optimal Route and Stops for a Group of Users in a Road Network
Radi Muhammad Reza (Bangladesh University of Engineering and Technology), Mohammed Eunus Ali (Bangladesh University of Engineering and Technology), Muhammad Aamir Cheema (Monash University)

On Spatial Joins in MapReduce
Ibrahim Sabek (University of Minnesota, Twin Cities), Mohamed Mokbel (University of Minnesota, Twin Cities)

Assembly Queries: Planning and Discovering Assemblies of Moving Objects Using Partial Information
Reaz Uddin (Microsoft), Michael Rice (Amazon), Chinya Ravishankar (University of California, Riverside), Vassilis Tsotras (UC Riverside)

Fast exact parallel 3D mesh intersection algorithm using only orientation predicates
Salles Viana Gomes de Magalhaes (Universidade Federal de Viçosa), W Randolph Franklin (Rensselaer Polytechnic Institute), Marcus Vinicius Alvim Andrade (Universidade Federal de Viçosa)

Finding The Most Preferred Path
Dimitris Sacharidis (TU Wien), Panagiotis Bouros (Aarhus University), Theodoros Chondrogiannis (Free University of Bolzano)

Efficient Indexing and Querying of Geo-tagged Aerial Videos
Ying Lu (University of Southern California), Cyrus Shahabi (University of Southern California)

Smart Geo-fencing using Location Sensitive Product Affinity
Ankur Garg (Adobe Research), Sunav Choudhary (Adobe Research), Payal Bajaj (Stanford University), Sweta Agrawal (IIT Guwahati), Shubham Agrawal (IIT Kanpur), Abhishek Kedia (IIT Delhi),

LiveMaps: Learning Geo-Intent from Images of Maps on a Large Scale (Industrial Paper)
Michael R. Evans (Microsoft Corporation), Dragomir Yankov (Microsoft Corporation), Ahmad Mahmoody (Microsoft Corporation), Florin Teodorescu (Microsoft Corporation), Wei Wu (Microsoft Corporation), Pavel Berkhin (Microsoft Corporation)

Effective Scalable and Integrative Geocoding for Massive Address Datasets (Systems Paper)
Sina Rashidian (Stony Brook University), Xinyu Dong (Stony Brook University), Amogh Avadhani (Stony Brook University), Prachi Poddar (Stony Brook University), Fusheng Wang (Stony Brook University)

A Network Model for the Utility Domain (Industrial Paper)
Petko Bakalov (ESRI), Erik Hoel (ESRI), Sangho Kim (ESRI)

tFUTURES: Computational Steering for Geosimulations (Systems Paper)
Ashwin Shashidharan (North Carolina State University), Ranga Raju Vatsavai (North Carolina State University), Abhinav Ashish (North Carolina State University), Ross Meentemeyer (Department of Forestry and Environmental Resources, Center for Earth Observation, North Carolina State University, Raleigh, NC, USA)

SparkGIS: Resource Aware Efficient In-Memory Spatial Query Processing (Systems Paper)
Furqan Baig (State University of New York at Stony Brook), Hoang Vo (Stony Brook University), Tahsin Kurc (Stony Brook University), Joel Saltz (Stony Brook), Fusheng Wang (Stony Brook University)

Traffic Prediction Based Power Saving in Cellular Networks: A Machine Learning Method
Sheng Zhang (Shanghai Jiaotong University), Shenglin Zhao (The Chinese University of Hong Kong), Mingxuan Yuan (Huawei Noah's Ark lab), Jia Zeng (Huawei Noah's Ark Lab), Jianguo Yao (Shanghai Jiao Tong University), Irwin King (The Chinese University of Hong Kong), Michael Lyu (the Chinese University of Hong Kong)

Sampling Frequency Effects on Trajectory Routes and Road Network Travel Time (Industrial Paper)
Ove Andersen (Aalborg University), Kristian Torp (Aalborg University)

Poster Papers

Characterizing Driving Context from Driver Behavior
Sobhan Moosavi (Ohio State University), Behrooz Omidvar-Tehrani (Ohio State University), R. Bruce Craig (Nationwide Insurance), Arnab Nandi (Ohio State University), Rajiv Ramnath (Ohio State University)

RETRy: IntegRating RidEsharing with Existing Trip PlanneRs
Ali Masri (VEDECOM), Karine Zeitouni (University of Versailles-Saint-Quentin-En-Yvelines), Zoubida Kedad (University of Versailles-Saint-Quentin-En-Yvelines)

A Dynamic Data Structure for Approximate Proximity Queries in Trajectory Data
Mark de Berg (TU Eindhoven), Joachim Gudmundsson (University of Sydney), Ali D. Mehrabi (Eindhoven University of Technology)

An Early Event Detection Technique with Bus GPS Data
Shunsuke Aoki (Carnegie Mellon University), Kaoru Sezaki (The University of Tokyo), Nicholas Jing Yuan (Microsoft), Xing Xie (Microsoft Research)

Bayesian approach to Spatio-temporally Consistent Simulation of Daily Monsoon Rainfall over India
Adway Mitra (Indian Institute of Science)

CityLines: Hybrid Hub-and-Spoke Urban Transit System
Guanxiong Liu (Worcester Polytechnic Institute (WPI)), Yanhua Li (Worcester Polytechnic Institute (WPI)), Zhi-Li Zhang (University of Minnesota, Twin Cities), Jun Luo (Shenzhen Institute of Advanced Technology, CAS), Fan Zhang (Shenzhen Institute of Advanced Technology, CAS)

Defining Equitable Geographic Districts in Road Networks via Stable Matching
David Eppstein (Univ. of California, Irvine), Michael Goodrich (Univ. of California, Irvine), Doruk Korkmaz (Univ. of California, Irvine), Nil Mamano (Univ. of California, Irvine)

TIPS: Mining Top-K Locations to Minimize User-Inconvenience for Trajectory-Aware Services
Shubhadip Mitra (IIT Kanpur), Priya Saraf (IIT Kanpur), Arnab Bhattacharya (Indian Institute of Technology, Kanpur)

Continuous Summarization of Streaming Spatio-Textual Posts
Dimitris Sacharidis (TU Wien), Paras Mehta (Freie Universität Berlin), Dimitrios Skoutas (Research Center "Athena"), Kostas Patroumpas (Research Center "Athena"), Agnès Voisard (Freie Universität Berlin)

If I build it, will they come? Predicting new venue visitation patterns through mobility data
Krittika D'Silva (University of Cambridge), Anastasios Noulas (New York University), Mirco Musolesi (University College London), Cecilia Mascolo (University of Cambridge), Max Sklar (Foursquare Labs)

BESTED: An Exponentially Smoothed Spatial Bayesian Analysis Model for Spatio-temporal Prediction of Daily Precipitation
Monidipa Das (Indian Institute of Technology, Kharagpur 721302, India), Soumya Ghosh (Indian Institute of Technology, Kharagpur, India)

A Spatial Join Algorithm Based on a Non-uniform Grid Technique over GPGPU
Danial Aghajarian (Georgia State University), Sushil Prasad (Georgia State University)

Flying object detection and classification by monitoring using video images
Hideaki Sobue (Civil Engineering Department, University of Tokyo), Yuki Fukushima (Center for Spatial Information Science, University of Tokyo), Takahiro Kashiyama (Institute of Industrial Science, University of Tokyo), Yoshihide Sekimoto (Institute of Industrial Science, University of Tokyo)

Improved Road Network Reconstruction using Discrete Morse Theory
Tamal Dey (Department of Computer Science and Engineering, The Ohio State University), Jiayuan Wang (Department of Computer Science and Engineering, The Ohio State University), Yusu Wang (Department of Computer Science and Engineering, The Ohio State University)

Inferring the Parametric Weight of a Bicriteria Routing Model from Trajectories
Johannes Oehrlein (University of Bonn), Benjamin Niedermann (University of Bonn), Jan-Henrik Haunert (University of Bonn)

Mining Swarm Patterns in Sliding Windows over Moving Object Data Streams
Alka Bhushan (Indian Institute of Technology Bombay), Umesh Bellur (IIT Bombay), Kuldeep Sharma (Indian Institute of Technology Bombay), Nandlal Sarda (Deptt of Computer Science, IIT Bombay)

Discovering Corridors From GPS Trajectories
Nikolaos Zygouras (National and Kapodistrian University of Athens), Dimitrios Gunopulos (National and Kapodistrian University of Athens)

Spaceprint: a Mobility-based Fingerprinting Scheme for Public Spaces
Mitra Baratchi (University of Twente), Geert Heijenk (University of Twente), Maarten van Steen (University of Twente)

Large Scale Analytics of Vector+Raster Big Spatial Data
Ahmed Eldawy (University of California, Riverside), Lyuye Niu (University of California, Riverside), David Haynes (University of Minnesota), Zhiba Su (University of California, Riverside)

Scalable Spatiotemporal Crowdsourcing for Smart Cities based on Particle Filtering
Wei Li (Auburn University), Haiquan Chen (California State University Sacramento), Wei-Shinn Ku (Auburn University), Xiao Qin (Auburn University)

Finding and Tracking Local Twitter Users for News Detection
Hong Wei (University of Maryland, College Park), Jagan Sankaranarayanan (University of Maryland, College Park), Hanan Samet (University of Maryland, College Park)

Answering Spatial Multiple-Set Intersection Queries Using 2-3 Cuckoo Hash-Filters
Michael Goodrich (Univ. of California, Irvine)

A Model and Framework for Matching Complementary Spatio-Temporal Needs
Dominik Bucher (ETH Zurich), Simon Scheider (Utrecht University), Martin Raubal (ETH Zurich)

CP-ORTHO: An Orthogonal Tensor Factorization Framework for Spatio-Temporal Data
Ardavan Afshar (Georgia Institute of Technology), Joyce Ho (Emory University), Bistra Dilkina (Georgia Institute of Technology), Ioakeim Perros (Georgia Institute of Technology), Elias Khalil (Georgia Institute of Technology), Li Xiong (Emory University), Vaidy Sunderam (Emory University)

Large-Scale Mapping of Human Activity using Geo-Tagged Videos
Yi Zhu (University of California, Merced), Sen Liu (University of Southern California), Shawn Newsam (University of California, Merced)

Game-theoretic Solutions for Constrained Geo-Social Event Organization
Lefteris Ntaflos (HKUST), George Trimponias (Huawei), Dimitris Papadias (HKUST)

Searching OSM Planet with Context-Aware Spatial Relations
Daniel Bahrdt (Universität Stuttgart), Stefan Funke (Universitaet Stuttgart), Rick Gelhausen (ALU Freiburg), Sabine Storandt (JMU Würzburg)

Link Travel Time Prediction from Large Scale Endpoint Data
Sankarshan Mridha (Indian Institute of Technology Kharagpur), Niloy Ganguly (Indian Institute of Technology Kharagpur), Sourangshu Bhattacharya (IIT KGP)

The Nash Equilibrium Among Taxi Ridesharing Partners
Luca Foti (University of Illinois at Chicago), Jane Lin (University of Illinois at Chicago), Ouri Wolfson (University of Illinois at Chicago)

A Linear-Time Algorithm for the Aggregation and Visualization of Big Spatial Point Data
Christian Beilschmidt (University of Marburg), Thomas Fober (University of Marburg), Michael Mattig (University of Marburg), Bernhard Seeger (University of Marburg)

Efficient Representation and Analysis of Triangulated Terrains
Riccardo Fellegara (University of Maryland - College Park), Federico Iuricich (University of Maryland - College Park), Leila De Floriani (University of Maryland - College Park)

Shape-Based Analysis for Vessel Trajectories
Jiang Wang (Science and Technology on Information Systems Engineering Laboratory, National University of Defense Technology, Changsha, China), Yun Zhou (Science and Technology on Information Systems Engineering Laboratory, National University of Defense Technology, Changsha, China), Xiaofeng Cao (Science and Technology on Information Systems Engineering Laboratory, National University of Defense Technology, Changsha, China), Yilin Wang (Science and Technology on Information Systems Engineering Laboratory, National University of Defense Technology, Changsha, China), Cheng Zhu (Science and Technology on Information Systems Engineering Laboratory, National University of Defense Technology, Changsha, China), Weiming Zhang (Science and Technology on Information Systems Engineering Laboratory, National University of Defense Technology, Changsha, China)

Next place prediction in unfamiliar places considering contextual factors (Industrial Paper)
Takashi Nicholas Maeda (The University of Tokyo), Kota Tsubouchi (Yahoo Japan Corporation), Fujio Toriumi (The University of Tokyo)

Querying Massive Trajectories by Path on the Cloud (Industrial Paper)
Ruiyuan Li (Xidian University), Sijie Ruan (Xidian University), Jie Bao (Microsoft Research), Yanhua Li (Worcester Polytechnic Institute (WPI)), Yingcai Wu (Zhejiang University), Yu Zheng (Microsoft Research)

Using a Traffic Simulator for Navigation Service (Systems Paper)
Abdullah Aldwyish (The University of Melbourne), Hairuo Xie (The University of Melbourne), Egemen Tanin (The University of Melbourne), Shanika Karunasekera (University of Melbourne), Ramamohanarao Kotagiri (The University of Melbourne)

Extracting Hotspots without A-priori by Enabling Signal Processing over Geospatial Data
Vaibhav Kulkarni (University of Lausanne), Arielle Moro (University of Lausanne), Bertil Chapuis (University of Lausanne), Benoît Garbinato (University of Lausanne)

A Uniform Representation for Trajectory Learning Tasks
Qingzhe Li (George Mason University), Jessica Lin (George Mason University), Liang Zhao (George Mason University), Huzefa Rangwala (George Mason University)

Inferring Venue Visits from GPS Trajectories
Qihang Gu (Beijing University of Posts and Telecommunications), Michael Mathioudakis (Aalto University), Dimitris Sacharidis (Technische Universität Wien), Gang Wang (Virginia Tech)

Fighting statistical Re-Identification in Human Trajectory Publication
Jiaxin Ding (Stony Brook University), Chien-Chun Ni (Stony Brook University), Jie Gao (Stony Brook University)

Leveraging Classification Models for River Forecasting
Ruizhou Ding (Carnegie Mellon University), Diana Marculescu (Carnegie Mellon University)

ST-COPOT: Spatio-temporal Clustering with Contour Polygon Trees
Yongli Zhang (University Of Houston), Christoph F. Eick (University Of Houston)

A Fast Implementation of Near Neighbors Queries for Freìchet Distance (GIS CUP)
Julian Baldus (Saarland University), Karl Bringmann (Max Planck Institute for Informatics)

A Filter-and-Refinement-Algorithm for Range Queries Based on the Fréchet Distance (GIS CUP)
Fabian Dütsch (Westfälische Wilhelms-Universität Münster), Jan Vahrenhold (Westfälische Wilhelms-Universität Münster)

Efficient Trajectory Queries under The Fréchet Distance (GIS Cup)
Kevin Buchin (Technische Universiteit Eindhoven), Yago Diez (Tohoku University), Tom van Diggelen (Technische Universiteit Eindhoven), Wouter Meulemans (Technische Universiteit Eindhoven)

Demonstration Papers

Stinuum: A Holistic Visual Analysis of Moving Objects with Open Source Software (Demo Paper)
Kyoung-Sook Kim (AIST), Dongmin Kim (Pusan National University), Hyemi Jeong (Pusan National University), Hirotaka Ogawa (AIST)

Virtual Cities: 3D Urban Modeling from Low Resolution LiDAR Data (Demo Paper)
Saleh Albeaik (Center for Complex Engineering Systems, King Abdulaziz City for Science and Technology), Mohamad Alrished (Center for Complex Engineering Systems, King Abdulaziz City for Science and Technology), Salma Aldawood (Center for Complex Engineering Systems, King Abdulaziz City for Science and Technology), Sattam Alsubaiee (Center for Complex Engineering Systems, King Abdulaziz City for Science and Technology), Anas Alfaris (Center for Complex Engineering Systems, King Abdulaziz City for Science and Technology)

Interactive Intersection Analysis using Trajectory Data (Demo Paper)
Johannes L. Borresen (Aalborg University), Ove Andersen (Aalborg University), Christian S. Jensen (Aalborg University), Kristian Torp (Aalborg University)

Efficient Multi-Attribute Analysis for Trajectories: A Case Study for Aircraft (Demo Paper)
Fabio Valdés (FernUniversität in Hagen), Ralf Hartmut Güting (Fernuniversität Hagen)

MinMax Routing: The Case for Safe Routes for Electric Vehicles (Demo Paper)
Martin Ichilevici de Oliveira (University of Alberta), Mario A. Nascimento (University of Alberta)

GUIDES - Geospatial Urban Infrastructure Data Engineering Solutions (Demo Paper)
Booma Sowkarthiga Balasubramani (University of Illinois at Chicago), Eric S Boria (University of Illinois at Chicago), Sybil Derrible (University of Illinois at Chicago), Michael D Siciliano (University of Illinois at Chicago), Isabel F Cruz (University of Illinois at Chicago), Omar Belingheri (Universit`a degli Studi di Milano-Bicocca)

Generating Concise and Robust Driving Directions (Demo Paper)
Stefan Funke (Universitaet Stuttgart), Christoph Haag (Universitaet Stuttgart), Sabine Storandt (JMU Würzburg)

Caching Geospatial Objects in Web Browsers (Demo Paper)
Taewoo Kim (UC Irvine), Vidhyasagar Thirumaraiselvan (UC Irvine), Jianfeng Jia (UC Irvine), Chen Li (UC Irvine)

A Game-Oriented Educational Tool for Location Privacy Topics (Demo Paper)
Justin Yang (University of Massachusetts Boston), Oana-Georgiana Niculaescu (Umass Boston), Gabriel Ghinita (University of Massachusetts, Boston)

SURGE - Social Unrest Reconnaissance GazEteer (Demo Paper)
Deepti Joshi (The Citadel), Sudeep Basnet (University of Nebraska-Lincoln), Hariharan Arunachalam (University of Nebraska-Lincoln), Leen-Kiat Soh (University of Nebraska-Lincoln), Ashok Samal (University of Nebraska-Lincoln), Shawn Ratcliff (University of Nebraska-Lincoln), Regina Werum (University of Nebraska-Lincoln)

Spatio-Temporal Reference Frames as Geographic Objects (Demo Paper)
Andrew Simmons (Deakin University), Rajesh Vasa (Deakin University)

A Cloud-based Trajectory Data Management System (Demo Paper)
Ruiyuan Li (Xidian University, Microsoft Research), Sijie Ruan (Xidian University, Microsoft Research), Jie Bao (Microsoft Research), Yu Zheng (Microsoft Research)

Web-based GIS application for real-time interaction of underground infrastructure through virtual reality (Demo Paper)
Juan Manuel Jurado Rodríguez (Universidad de Jaén), Alejandro Graciano Segura (Universidad de Jaén), Lidia Ortega (University of Jaén), Francisco Feito (Universidad de Jaen)

Visualizing Traffic Accident Hotspots Based on Spatial-Temporal Network Kernel Density Estimation (Demo Paper)
Benjamin Romano (The University of Alabama), Zhe Jiang (The University of Alabama)

Vision Papers

Algorithmically-Guided User Interaction (Vision Paper)
Thomas C. Van Dijk (University of Wuerzburg), Alexander Wolff (Universität Würzburg)

Geotagging IP Packets for Location-Aware Software-Defined Networking in the Presence of Virtual Network Functions (Vision Paper)
Tamraparni Dasu (AT&T Labs - Research), Yaron Kanza (AT&T Labs - Research), Divesh Srivastava (AT&T Labs - Research)

How "Alternative" are Alternative Facts? Measuring Statement Coherence via Spatial Analysis (Vision Paper)
Krzysztof Janowicz (University of California, Santa Barbara), Grant McKenzie (University of Maryland, College Park)

From How to Where: Traffic Optimization in the Era of Automated Vehicles (Vision Paper)
Kotagiri Ramamohanarao (University of Melbourne), Jianzhong Qi (University of Melbourne), Egemen Tanin (University of Melbourne), Sadegh Motallebi (University of Melbourne)

LocBorg: Hiding Social Media User Location while Maintaining Online Persona (Vision Paper)
Victor Zakhary (University of California Santa Barbara), Cetin Sahin (University of California Santa Barbara), Theodore Georgiou (University of California Santa Barbara), Amr El Abbadi (University of California Santa Barbara)

Towards Ubiquitous Accessibility Digital Maps for Smart Cities (Vision Paper)
Heba Aly (University of Maryland, College Park), Moustafa Youssef (Egypt-Japan University of Science and Technology (E-JUST), Ashok Agrawala (University of Maryland, College Park)