Program

Tuesday Wednesday Thursday Friday


Tuesday, November 3, 2015

Workshops



Wednesday, November 4, 2015

7:00 - 8:00 AM   Breakfast and Registration (Regency Foyer)

8:00 - 8:10 AM   Welcome (Regency Ballroom)

8:10 - 9:10 AM   Session 1: Query Processing and Algorithms

Session Chair: John Krumm (Microsoft Research)

  • Analytical Queries on Road Networks: An Experimental Evaluation of Two System Architectures
    Shangfu Peng (University of Maryland, USA), Hanan Samet (University of Maryland, USA)
  • Detecting Collective Anomalies from Multiple Spatio-Temporal Datasets across Different Domains
    Yu Zheng (Microsoft Research, China), Huichu Zhang (Shanghai Jiao Tong University, China), Yong Yu (Shanghai Jiao Tong University, China)
  • Empirically Measuring Object Saliency for Pedestrian Navigation
    Markus Kattenbeck (University of Regensburg, Germany)

9:10 - 10:10 AM   Invited Talk

Session Chair: Hanan Samet (University of Maryland, College Park)

10:10 - 10:40 AM   Break

10:40 AM - 12:00 PM   Session 2: Map matching & Geocoding

Session Chair: Cyrus Shahabi (USC)

  • Incorporating Road Networks into Territory Design
    Nitin Ahuja (PTV AG, Germany), Matthias Bender (FZI Research Center for Information Technology, Germany), Peter Sanders (Karlsruhe Institute of Technology, Germany), Christian Schulz (Karlsruhe Institute of Technology, Germany), Andreas Wagner (PTV AG, Germany)
  • semMatch: Road Semantics-based Accurate Map Matching for Challenging Positioning Data
    Heba Aly (Alexandria University, Egypt), Moustafa Youssef (Egypt-Japan University of Science and Technology (E-JUST), Egypt)
  • Toponym Disambiguation in Online Social Network Profiles
    Mohammad Ghufran (CentraleSupélec, France), Gianluca Quercini (CentraleSupélec, France), Nacéra Bennacer (CentraleSupélec, France)
  • New Approach to Geocoding: BingGC - Industrial Paper
    Pavel Berkhin (Microsoft Corporation, USA), Michael R. Evans (Microsoft Corporation, USA), Florin Teodorescu (Microsoft Corporation, USA), Wei Wu (Microsoft Corporation, USA), Dragomir Yankov (Microsoft Corporation, USA)

12:00 - 1:30 PM   Lunch

1:30 - 3:00 PM   Fast Forward Session

Session Chairs: Ahmed Lbath (University of Grenoble 1 - Joseph Fourier) and Alexey Pozdnukhov (University of California, Berkeley)

3:00 - 3:30 PM   Break

3:30 - 5:00 PM   Session 3: Vision Paper

Session Chair: Shashi Shekhar (University of Minnesota)

  • Utility Network Management: A modeling challenge for GIS
    Petko Bakalov (Environmental Systems Research Institute (ESRI), USA), Erik Hoel (Environmental Systems Research Institute (ESRI), USA)
  • Privacy-Preserving Inference of Social Relationships from Location Data: A Vision Paper
    Cyrus Shahabi (University of Southern California, USA), Liyue Fan (University of Southern California, USA), Luciano Nocera (University of Southern California, USA), Li Xiong (Emory University, USA), Ming Li (Utah State University, USA)
  • An Online Marketplace for Geosocial Data
    Yaron Kanza (Jacobs Institute, Cornell Tech, USA), Hanan Samet (University of Maryland, USA)
  • PlanetSense: A Real-time Streaming and Spatio-temporal Analytics Platform for Gathering Geo-spatial Intelligence from Open Source Data
    Gautam S. Thakur (Oak Ridge National Laboratory, USA), Budhendra Bhaduri (Oak Ridge National Laboratory, USA), Jesse Piburn (Oak Ridge National Laboratory, USA), Kelly Sims (Oak Ridge National Laboratory, USA), Robert Stewart (Oak Ridge National Laboratory, USA), Marie Urban (Oak Ridge National Laboratory, USA)
  • Towards Truly Ubiquitous Indoor Localization on a Worldwide Scale
    Moustafa Youssef (Egypt-Japan University of Science and Technology (E-JUST), Egypt)
  • Vision Paper: The Future of Scientific Terrain Visualization
    Matthias Thöny (University of Zürich, Switzerland), Renato Pajarola (University of Zürich, Switzerland), Markus Billeter (University of Zurich, Switzerland)
  • Future Connected Vehicles: Challenges and Opportunities for Spatio-temporal Computing
    Reem Y. Ali (University of Minnesota, USA), Venkata M.V. Gunturi (University of Minnesota, USA), Shashi Shekhar (University of Minnesota, USA), Ahmed Eldawy (University of Minnesota, USA), Mohamed F. Mokbel (University of Minnesota, USA), Andrew J. Kotz (University of Minnesota, USA), William F. Northrop (University of Minnesota, USA)
  • On Map-Centric Programming Environments
    Walid G. Aref (Purdue University, USA), Sunil Prabhakar (Purdue University, USA), Jaewoo Shin (Purdue University, USA), Ruby Tahboub (Purdue University, USA), Aya Abdelsalam (Purdue University, USA), Jalaleldeen Aref (Purdue University, USA)
  • Querying Historical Maps as a Unified, Structured, and Linked Spatiotemporal Source
    Yao-Yi Chiang (University of Southern California, USA)

5:00 - 6:00 PM   Session 4: Processing on Geographic Data

Session Chair: W Randolph Franklin (Rensselaer Polytechnic Institute)

  • Fine-Grained Population Estimation
    Hannah Bast (University of Freiburg, Germany), Sabine Storandt (University of Freiburg, Germany), Simon Weidner (University of Freiburg, Germany)
  • Fast Computation of Categorical Richness on Raster Datasets and Related Problems
    Mark De Berg (TU Eindhoven, Netherlands), Constantinos Tsirogiannis (Centre for Massive Data Algorithmics, Aarhus University, Denmark), Bryan T. Wilkinson (Centre for Massive Data Algorithmics, Aarhus University, Denmark)
  • Spatial Cohesion Queries
    Dimitris Sacharidis (TU Wien, Austria), Antonios Deligiannakis (Technical University of Crete, Greece)

6:30 - 7:30 PM   ACM SIGSPATIAL Business Meeting

7:30 PM - 12:00 AM   Poster Reception, Demo Session



Thursday, November 5, 2015

7:00 - 8:00 AM   Breakfast and Registration

8:00 - 9:00 AM   Session 5: Social Media Data and Crowdsourcing

Session Chair: Isabel Cruz (University of Illinois at Chicago)

  • Eyewitness: Identifying Local Events via Space-Time Signals in Twitter Feeds
    John Krumm (Microsoft Research, USA), Eric Horvitz (Microsoft Research, USA)
  • Task Matching and Scheduling for Multiple Workers in Spatial Crowdsourcing
    Dingxiong Deng (University of Southern California, USA), Cyrus Shahabi (University of Southern California, USA), Linhong Zhu (Information Science Institute, USC, USA)
  • Learning Functional Compositions of Urban Spaces with Crowd-Augmented Travel Survey Data
    Zack Zhu (ETH Zurich, Switzerland), Jing Yang (ETH Zurich, Switzerland), Chen Zhong (University College London, United Kingdom), Julia Seiter (ETH Zurich, Switzerland), Gerhard Tröster (ETH Zurich, Switzerland)

9:00 - 10:00 AM   Invited Talk

Session Chair: Hanan Samet (University of Maryland, College Park)

10:00 - 10:30 AM   Break

10:30 - 11:30 AM   Session 6: Map Reconstruction

Session Chair: Roberto Tamassia (Brown University)

  • Trajectory Inference for Mobile Devices Using Connected Cell Towers
    Kushani Perera (University of Melbourne, Australia), Tanusri Bhattacharya (University of Melbourne, Australia), Lars Kulik (University of Melbourne, Australia), James Bailey (University of Melbourne, Australia)
  • Choosing Thresholds for Density-Based Map Construction Algorithms
    Mahmuda Ahmed (The University of Texas at San Antonio, USA), Brittany Terese Fasy (Tulane University, USA), Matt Gibson (The University of Texas at San Antonio, USA), Carola Wenk (Tulane University, USA)
  • Efficient Map Reconstruction and Augmentation via Topological Methods
    Suyi Wang (Ohio State University, USA), Yusu Wang (Ohio State University, USA), Yanjie Li (Ohio State University, USA)

11:30 AM - 12:30 PM   Session 7: Spatial Nearest Neighbor Search

Session Chair: Dimitris Sacharidis (TU Wien)

  • Processing streams of spatial k-NN queries and position updates on manycore GPUs
    Francesco Lettich (Università Ca' Foscari di Venezia, Italy), Salvatore Orlando (Università Ca' Foscari di Venezia, Italy), Claudio Silvestri (Università Ca' Foscari di Venezia, Italy)
  • Reverse k-Nearest Neighbour Schedules in Time-Dependent Road Networks
    Felix Borutta (Ludwigs-Maximilians-Universität München, Germany), Mario Nascimento (University of Alberta, Canada), Johannes Niedermayer (Ludwigs-Maximilians-Universität München, Germany), Peer Kröger (Ludwigs-Maximilians-Universität München, Germany)
  • Spatial Queries with k-Nearest-Neighbor and Relational Predicates
    Ahmed Aly (Purdue University, USA), Walid Aref (Purdue University, USA), Mourad Ouzzani (QCRI, Qatar)

12:30 - 2:00 PM   Lunch

2:00 - 3:00 PM   Session 8: Trajectories

Session Chair: Maria Luisa Damiani (University of Milan)

  • BACR: Set Similarities with Lower Bounds and Application to Spatial Trajectories
    Martin Werner (Ludwigs-Maximilians-Universität München, Germany)
  • LiDAR-based Pedestrian-flow Analysis for Crowdedness Equalization
    Akinori Asahara (Hitachi Ltd., Japan), Nobuo Sato (Hitachi Ltd., Japan), Masatsugu Nomiya (Hitachi Ltd., Japan), Satomi Tsuji (Hitachi Ltd., Japan)
  • Navigation Made Personal: Inferring Driving Preferences from GPS Traces
    Daniel Delling (USA), Andrew Goldberg (USA), Moises Goldszmidt (USA), John Krumm (Microsoft Research, USA), Kunal Talwar (USA), Renato Werneck (USA)

3:00 - 4:00 PM   Session 9: Traffic Prediction

Session Chair: Agnès Voisard (Fraunhofer FOKUS and FU Berlin, Germany)

  • Where are the Passengers? A Grid-Based Gaussian Mixture Model for Taxi Bookings
    Meng-Fen Chiang (Living Analytics Research Centre, Singapore Management University, Singapore), Tuan-Anh Hoang (Living Analytics Research Centre, Singapore Management University, Singapore), Ee-Peng Lim (Living Analytics Research Centre, Singapore Management University, Singapore)
  • Traffic Prediction in a Bike Sharing System
    Yexin Li (Hong Kong University of Science and Technology, Hong Kong), Yu Zheng (Microsoft Research Asia, China), Huichu Zhang (Shanghai Jiao Tong University, China), Lei Chen (Hong Kong University of Science and Technology, Hong Kong)
  • Citywide Traffic Congestion Estimation with Social Media
    Senzhang Wang (Beihang University, China), Lifang He (Shenzhen University, China), Leon Stenneth (Nokia Here, USA), Philip S. Yu (University of Illinois at Chicago, USA), Zhoujun Li (Beihang University, China)

4:00 - 4:30 PM   Break

4:30 - 5:10 PM   Session 10: Hot Spot Detection

Session Chair: Chang-Tien Lu (Virginia Tech)

  • Detecting Urban Black Holes Based on Human Mobility Data
    Liang Hong (Wuhan University, China), Zheng Yu (Microsoft Research, China), Duncan Yung (University of Pittsburgh, USA), Jingbo Shang (Shanghai Jiaotong University, China), Lei Zou (Peking University, China)
  • Understanding Hotspots: A Topological Visual Analytics Approach
    Jonas Lukasczyk (TU Kaiserslautern, Germany), Ross Maciejewski (Arizona State University, USA), Christoph Garth (TU Kaiserslautern, Germany), Hans Hagen (TU Kaiserslautern, Germany)

5:10 - 5:40 PM   Break

5:40 - 6:20 PM   Contest Session

Session Chair: Raju Vatsavai (North Carolina State University)

  • Restricted Areas Obeying Path Search Algorithm without Preprocessing
    Frantisek Kolovsky (University of West Bohemia), Jan Jezek (University of West Bohemia)
  • Fast Path Planning Under Polygonal Obstacle Constraints
    Salles Viana Gomes Magalhes (Rensselaer Polytechnic Institute), Marcus Vinicius Alvim Andrade (Universidade Federal de Visa Viosa), W. Randolph Franklin (Rensselaer Polytechnic Institute), Wenli Li (Rensselaer Polytechnic Institute)
  • GISCUP 2015: Notes on Routing with Polygonal Constraints
    Martin Werner (Ludwig-Maximilians University Munich, Munich, Germany)

6:45 - 7:45 PM   Drinks

7:45 PM - 12:00 AM   Banquet



Friday, November 6, 2015

7:00 - 8:00 AM   Breakfast and Registration

8:00 - 9:20 AM  Session 11: Spatial Data Mining

Session Chair: Gautam S. Thakur (Oak Ridge National Laboratory)

  • DeepSat - A Learning framework for Satellite Imagery
    Saikat Basu (Louisiana State University, USA), Sangram Ganguly (Bay Area Environmental Research Institute/NASA Ames Research Center, USA), Supratik Mukhopadhyay (Louisiana State University, USA), Robert Dibiano (Louisiana State University, USA), Manohar Karki (Louisiana State University, USA), Ramakrishna Nemani (NASA Ames Research Center, USA)
  • TOSCA: TwO Steps Clustering Algorithm for Personal Locations Detection
    Riccardo Guidotti (University of Pisa, Italy), Roberto Trasarti (ISTI-CNR, Pisa, Italy), Mirco Nanni (ISTI-CNR Pisa, Italy)
  • Evidence of Long Range Dependence and Self-similarity in Urban Traffic Systems
    Gautam S. Thakur (Oak Ridge National Laboratory, USA), Pan Hui (Hong Kong University of Science and Technology, Hong Kong), Ahmed Helmy (University of Florida, USA)
  • coMobile: Real-time Human Mobility Modeling at Urban Scale by Multi-View Learning
    Desheng Zhang (University of Minnesota, USA), Juanjuan Zhao (SIAT, Chinese Academy of Sciences, China), Fan Zhang (SIAT, Chinese Academy of Sciences, China), Tian He (University of Minnesota, USA)

9:20 - 10:20 AM   Session 12: Spatial Models and Algorithms

Session Chair: Moustafa Youssef (Egypt-Japan Univ. of Science and Tech)

  • Understanding and Modelling Information Dissemination Patterns in Vehicle-to-Vehicle Networks
    Jiaxin Ding (Stony Brook University, USA), Jie Gao (Stony Brook University, USA), Hui Xiong (Rutgers University, USA)
  • Inferring Semantics from Geometry - the Case of Street Networks
    Padraig Corcoran (University College Dublin, Ireland), Musfira Jilani (University College Dublin, Ireland), Michela Bertolotto (University College Dublin, Ireland), Peter Mooney (Maynooth University, Ireland)
  • Contour Trees of Uncertain Terrains 
    Wuzhou Zhang (Duke University, USA), Pankaj K. Agarwal (Duke University, USA), Sayan Mukherjee (Duke University, USA)

10:20 - 10:50 AM   Break

10:50 AM - 12:10 PM   Session 13: Route Planning

Session Chair: Roger Zimmermann (National University of Singapore)

  • Shortest Feasible Paths with Charging Stops for Battery Electric Vehicles
    Moritz Baum (Karlsruhe Institute of Technology (KIT), Germany), Julian Dibbelt (Karlsruhe Institut of Technology (KIT), Germany), Andreas Gemsa (Karlsruhe Institut of Technology (KIT), Germany), Dorothea Wagner (Karlsruhe Institute of Technology (KIT), Germany), Tobias Zündorf (Karlsruhe Institute of Technology (KIT), Germany)
  • Personalized Route Planning in Road Networks
    Stefan Funke (Universitaet Stuttgart, Germany), Sabine Storandt (University of Freiburg, Germany)
  • Finding the most scenic path on a large-scale road network
    Ying Lu (University of Southern California, USA), Cyrus Shahabi (University of Southern California, USA)
  • Probabilistic estimation of link travel times in dynamic road networks
    Mohammad Asghari (University of Southern California, USA), Tobias Emrich (University of Southern California, USA), Ugur Demiryurek (University of Southern California, USA), Cyrus Shahabi (University of Southern California, USA)

12:10 - 12:30 PM   Closing




Poster Reception, Demo Session

Short Papers

  • Effective and Efficient: Large-scale Dynamic City Express
    Siyuan Zhang (The Chinese University of Hong Kong, Hong Kong), Lu Qin (University of Technology, Sydney, Australia), Yu Zheng (Microsoft Research, China), Hong Cheng (The Chinese University of Hong Kong, Hong Kong)
  • Combining Range-Based and Range-Free Methods: A Unified Approach for Localization
    Anthony Quattrone (University of Melbourne, Australia), Lars Kulik (University of Melbourne, Australia), Egemen Tanin (University of Melbourne, Australia)
  • Distributed Convoy Pattern Mining
    Faisal Orakzai (ULB, Belgium), Thomas Devogele (UFRT, France), Toon Calders (ULB, Belgium)
  • Clarifying the Role of Distance in Friendships on Twitter: Discovery of a Double Power-Law Relationship
    Won-Yong Shin (Dankook University, Korea), Jaehee Cho (Kwangwoon University, Korea), André M. Everett (University of Otago, New Zealand)
  • Design and Representation of Complex Objects in Database Systems
    Lin Qi (University of Florida, USA), Markus Schneider (University of Florida, USA)
  • TaxiRec: Recommending Road Clusters to Taxi Drivers Using Ranking-based Extreme Learning Machines
    Ran Wang (City University of Hong Kong, Hong Kong), Chi-Yin Chow (City University of Hong Kong, Hong Kong), Yan Lyu (City University of Hong Kong, Hong Kong), Victor C. S. Lee (City University of Hong Kong, Hong Kong), Sam Kwong (City University of Hong Kong, Hong Kong), Yanhua Li (University of Minnesota, USA), Jia Zeng (HUAWEI Noah's Ark LAB, Hong Kong, Hong Kong)
  • Decentralized Human Trajectories Tracking Using Hodge Decomposition in Sensor Networks
    Xaiotian Yin (Harvard University, USA), Chien-Chun Ni (Stony Brook University, USA), Jiaxin Ding (Stony Brook University, USA), Wei Han (Harvard University, USA), Dengpan Zhou (Stony Brook University, USA), Jie Gao (Stony Brook University, USA), Xianfeng Gu (Stony Brook University, USA)
  • Spatio-Temporal Keyword Queries for Moving Objects
    Paras Mehta (Freie Universität Berlin, Germany), Dimitrios Skoutas (IMIS, R.C. ATHENA, Greece), Agnès Voisard (Freie Universität Berlin, Germany)
  • Optimal Time-dependent Sequenced Route Queries in Road Networks
    Camila Ferreira Costa (Federal University of Ceará, Brazil), Mario Nascimento (University of Alberta, Canada), Jose Macedo (Federal University of Ceara, Brazil), Yannis Theodoridis (University of Piraeus, Greece), Nikos Pelekis (University of Piraeus, Greece), Javam Machado (UFC, Brazil)
  • Activity Recognition of Railway Passengers by Fusion of Low-Power Sensors in Mobile Phones
    Moustafa Elhamshary (Egypt-Japan University for Science and Technology, Egypt), Akira Uchiyama (Osaka University, Japan), Hirozumi Yamaguchi (Osaka University, Japan), Tero Higashino (Osaka University, Japan), Moustafa Youssef (Egypt-Japan University of Science and Technology, Egypt)
  • A Reeb Graph Approach to Tractography
    Jonathan Sun (University of California Santa Barbara, USA), Matthew Cieslak (University of California Santa Barbara, USA), Scott Grafton (University of California Santa Barbara, USA), Subhash Suri (University of California Santa Barbara, USA)
  • A Stacked Gaussian Process for Predicting Geographical Incidence of Aflatoxin with Quantified Uncertainties
    Hui Li (University of South Carolina, USA), Asif Chowdhury (University of South Carolina, USA), Gabriel Terejanu (University of South Carolina, USA), Anindya Chanda (University of South Carolina, USA), Sourav Banerjee (University of South Carolina, USA)
  • Designing an On-Line Ride-Sharing System
    Blerim Cici (University of California, Irvine, USA), Athina Markopoulou (University of California, Irvine, USA), Nikolaos Laoutaris (Telefonica Research, Spain)
  • Land Use Classification and Refinement using Convolutional Neural Networks Applied to Ground-Level Images
    Yi Zhu (University of California Merced, USA), Shawn Newsam (University of California Merced, USA)
  • Hup-Me: Inferring and Reconciling a Timeline of User Activity with Smartphone and Personal Data
    David Montoya (Cofely Ineo / INRIA, France), Serge Abiteboul (INRIA-Saclay, France), Pierre Senellart (Institut Mines-Télécom, Télécom ParisTech; CNRS LTCI, France)
  • A Calibration-free RF Localization System
    Rizanne Elbakly (Navirize Inc., United Arab Emirates), Moustafa Youssef (Egypt-Japan University of Science and Technology (E-JUST), Egypt)
  • Grooming Big Data from Afar
    Peter Baumann (Jacobs University Bremen, Germany), Mircea Alexandru Dumitru (Jacobs University Bremen, Germany), Vlad Merticariu (Jacobs University, Germany)
  • Traffic Matrix Estimation from Road Sensor Data: A Case Study
    Keyvan Rezaei Moghadam (University of Southern California, USA), Quynh Nguyen (University of Southern California, USA), Bhaskar Krishnamachari (USC, USA), Ugur Demiryurek (USC, USA)
  • Fast Exact Shortest Path and Distance Queries on Road Networks with Parametrized Costs
    Julian Dibbelt (Karlsruhe Institute of Technology (KIT), Germany), Ben Strasser (Karlsruhe Institute of Technology (KIT), Germany), Dorothea Wagner (Karlsruhe Institute of Technology (KIT), Germany)
  • TransitTrace: Route Planning using Ambient Displays
    Massimo De Marchi (University of Illinois at Chicago, USA), Jakob Eriksson (University of Illinois at Chicago, USA), Angus Forbes (University of Illinois at Chicago, USA)
  • Alternative Routing: k-Shortest Paths with Limited Overlap
    Theodoros Chondrogiannis (Free University of Bozen-Bolzano, Italy), Panagiotis Bouros (Humboldt-Universitat zu Berlin, Germany), Johann Gamper (Free University of Bozen-Bolzano, Italy), Ulf Leser (Humboldt-Universitat zu Berlin, Germany)
  • Fusion of Color Images and LiDAR Data for Lane Classification
    Xiaodong Gu (North Carolina Central University, USA), Andi Zang (Nokia Here, USA), Xinyu Huang (North Carolina Central University, USA), Xin Chen (Nokia Here, USA)
  • GeoSpark: A Cluster Computing Framework for Processing Large-Scale Spatial Data
    Jia Yu (Arizona State University, USA), Mohamed Sarwat (Arizona State University, USA), Jinxuan Wu (Arizona State University, USA)
  • Guide Me through Somewhere Important: Decision-Point Salience and Collaborative Navigation
    Makoto Takemiya (University of Tokyo, Japan), Toru Ishikawa (University of Tokyo, Japan), Gengen He (The University of Tennessee, USA)
  • Optimal mobile facility localization
    A. K. M. Mustafizur Rahman Khan (University of Melbourne, Australia), Lars Kulik (University of Melbourne, Australia), Egemen Tanin (University of Melbourne, Australia), Tanzima Hashem (Bangladesh University of Engineering & Technology, Bangladesh)
  • An Interactive Visual Analytic Tool for Semantic Classification of 3D Urban LiDAR Point Cloud
    Beena Kumari (IIIT Bangalore, India), Jaya Sreevalsan-Nair (IIIT Bangalore, India)
  • Volumetric-Visibility Map: quantifying the visual perception in landscapes
    Antonio Manuel Rodriguez Cervilla (University of Málaga, Spain), Siham Tabik (Dept, Computer Architecture on University of Málaga, Spain), Luis Felipe Romero Gomez (University of Málaga, Spain)
  • PRESENTs: Probabilistic REsource-SEarch NeTworks
    Qing Guo (University of Illinois at Chicago, USA), Ouri Wolfson (University of Illinois at Chicago, USA)
  • There and Back Again: Using Fréchet-Distance Diagrams to Find Trajectory Turning Points
    Lukas Beckmann (Universität Würzburg, Germany), Benedikt Budig (Universität Würzburg, Germany), Thomas van Dijk (Universität Würzburg, Germany), Johannes Schamel (Universität Würzburg, Germany)
  • Cheap approximate localization using FM radio
    Piyush Kumar (CompGeom Inc, USA), Tathagata Mukherjee (AFRL, USA), Eduardo Pasiliao (AFRL Munitions Directorate, USA), Liqin Xu (CompGeom Inc, USA)
  • Sphinx: Distributed Execution of Interactive SQL Queries on Big Spatial Data
    Ahmed Eldawy (University of Minnesota, USA), Mostafa Elganainy (GIS Technology Innovation Center, Saudi Arabia), Ammar Bakeer (GIS Technology Innovation Center, Saudi Arabia), Ahmed Abdelmotaleb (GIS Technology Innovation Center, Saudi Arabia), Mohamed Mokbel (University of Minnesota, USA)
  • Flag-Verify-Fix: Adaptive Spatial Crowdsourcing leveraging Location-based Social Networks
    Umair Ul Hassan (Insight Centre of Data Analytics, Ireland), Edward Curry (Digital Enterprise Research Institute, Ireland)
  • Time-efficient significance measure for discovering spatiotemporal co-occurrences from data with unbalanced characteristics
    Berkay Aydin (Georgia State University, USA), Vijay Akkineni (Georgia State University, USA), Rafal Angryk (Georgia State University, USA)
  • Robust and efficient urban scene classification using relative features
    Hai Huang (Institute for Applied Computer Science, Bundeswehr University Munich, Germany), Helmut Mayer (Institute for Applied Computer Science, Bundeswehr University Munich, Germany)
  • Efficient Algorithms for Answering Reverse Spatial-Keyword Nearest Neighbor Queries
    Ying Lu (University of Southern Calfornia, USA), Gao Cong (Nanyang Technological University, Singapore), Jiaheng Lu (Renmin University of China, China), Cyrus Shahabi (University of Southern California, USA)
  • FIFUS: A Rule-Based Fuzzy Inference Model for Fuzzy Spatial Objects in Spatial Databases and GIS
    Anderson Chaves Carniel (University of São Paulo, Brazil), Markus Schneider (University of Florida, USA), Ricardo Rodrigues Ciferri (Federal University of São Carlos, Brazil)
  • Location Familiarity Based Flickr Photographer Classification for POI Mining
    Chenyi Zhuang (Kyoto University, Japan), Qiang Ma (Kyoto University, Japan), Masatoshi Yoshikawa (Kyoto University, Japan)
  • Urban-EMS: Location Selection for Ambulance Stations in Time-dependent Road Networks
    Yuhong Li (Microsoft Research Asia, China), Yu Zheng (Microsoft Research Asia, China), Shenggong Ji (Microsoft Research Asia, China), Wenjun Wang (Tianjin University, China), Leong Hou U (University of Macau, Macao), Zhiguo Gong (University of Macau, Macao)

Demonstration Papers

  • A Framework for Multi-Criteria Optimal Location Selection (Demo Paper)
    Ji Zhang (Auburn University, USA), Wei-Shinn Ku (Auburn University, USA), Xunfei Jiang (Earlham College, USA), Xiao Qin (Auburn University, USA), Min-Te Sun (National Central University, Taiwan), Hua Lu (Aalborg University, Denmark)
  • Meet-and-Go: Finding Optimal Single Connecting Points Considering Companionship Preferences (Demo Paper)
    George Tsatsanifos (University of Alberta, Canada), Alexandr Petcovici (University of Alberta, Canada), Mario Nascimento (University of Alberta, Canada)
  • VPIndexer: Velocity-based Partitioning for Indexing Moving Objects (Demo Paper)
    Xiaofeng Xu (Emory University, USA), Li Xiong (Emory University, USA), Vaidy Sunderam (Emory University, USA), Jinfei Liu (Emory University, USA), Jun Luo (Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, China)
  • Stochastic Location Optimization in a Dynamic Environment
    Hongliang Guo (Nanyang Technological University, Singapore), Yubo Dong (Nanyang Technological University, Singapore), Shen-Shyang Ho (Nanyang Technological University, Singapore)
  • STAC: Spatial Task Assignment for Crowd Sensing with Cloaked Participant Locations (Demo Paper)
    Layla Pournajaf (Emory University, USA), Li Xiong (Emory University, USA), Vaidy Sunderam (Emory University, USA)
  • Location-based Social Networking for Obtaining Personalised Driving Advice
    Abdullah Aldwyish (University of Melbourne, Australia), Egemen Tanin ( University of Melbourne, Australia), Shanika Karunasekera (University of Melbourne, Australia)
  • CO2NNIE: Personalized Fuel Consumption and CO2 Emissions
    Benjamin Krogh (Aalborg University, Denmark), Ove Andersen (Aalborg University, Denmark), Edwin Lewis-Kelham (Aalborg University, Denmark), Kristian Torp (Aalborg University, Denmark)
  • Graphast: An Extensible Framework for Building Applications on Time-dependent Networks
    Regis Magalhães (Federal University of Ceará, Brazil), Gustavo Coutinho (Federal University of Ceará, Brazil), Jose Macedo (Federal University of Ceará, Brazil), Camila Ferreira (Federal University of Ceará, Brazil), Lívia Cruz (Federal University of Ceará, Brazil), Mario Nascimento (University of Alberta, Canada), Igo Brilhante (Federal University of Ceará, Brazil), Josué Machado (Federal University of Ceará, Brazil), Vânia Vidal (Federal University of Ceará, Brazil)
  • GeoDa Web - Enhancing Web-Based Mapping with Spatial Analytics
    Xun Li (Arizona State University, USA), Luc Anselin (Arizona State University, USA), Julia Koschinsky (Arizona State University, USA)
  • Video Route
    Tobias Emrich (Ludwig-Maximilians-Universität München, Germany), Olivia Hofer (Ludwig-Maximilians-Universität München, Germany), Andreas Kolb (Ludwig-Maximilians-Universität München, Germany), Johannes Niedermayer (Ludwig-Maximilians-Universität München, Germany), Nepumuk Seiler (Ludwig-Maximilians-Universität München, Germany), Michael Weiler (Ludwig-Maximilians-Universität München, Germany)
  • MigrO: a plug-in for the analysis of individual mobility behavior based on the stay region model
    Maria Luisa Damiani (University of Milan, Italy), Hamza Issa (University of Milan, Italy), Giuseppe Fotino (University of Milan, Italy), Fatima Hachem (University of Milan, Italy), Nathan Ranc (Harvard University, USA), Francesca Cagnacci (Fondazione E. Mach, Italy)
  • Brands in NewsStand: Spatio-Temporal Browsing of Business News
    Ahmed Abdelrazek (University of Maryland, USA), Emily Hand (University of Maryland, USA), Hanan Samet (University of Maryland, USA)
  • LIMO: Learning Programming using Interactive Map Activities
    Ruby Tahboub (Purdue University, USA), Jaewoo Shin (Purdue University, USA), Aya Abdelsalam (Purdue University, USA), Jalaleldeen Aref (Purdue University, USA), Walid G. Aref (Purdue University, USA), Sunil Prabhakar (Purdue University, USA)
  • Find the Butterfly: A Social Media based Arterial Incidents Detection and Causality Analysis System
    Kaiqun Fu (Virginia Polytechnic Institute and State University, USA), Weisheng Zhong (Virginia Polytechnic Institute and State University, USA), Chang-Tien Lu (Virginia Tech, USA)
  • Demo Paper: Semantic Multimedia-Enhanced Spatio-temporal Queries in a Crowdsourced Environment
    Faizan Rehman (University of Grenoble Alpes, France), Ahmed Lbath (University of Grenoble Alpes, France), Imad Afyouni (American University of the Middle East, Kuwait), Bilal Sadiq (KACST GIS Technology Innovation Center, Saudi Arabia), Md. Abdur Rahman (Umm Al-Qura University, Canada), Saleh Basalamah (KACST GIS Technology Innovation Center, Saudi Arabia), Abdullah Murad (KACST GIS Technology Innovation Center, USA)
  • A mobile trusted path system based on social network data
    Felix Mata (UPIITA-IPN, Mexico), Christophe Claramunt (Naval Academy Research Institute, France)