Accepted Papers

Full Papers (Research and Industry)

Surrounds in Partitions
Matthew Dube (University of Maine, USA), Max Egenhofer (University of Maine, USA)

Open source Java and JavaScript application that builds self-contained Web GIS interfaces
Olmo Zavala (Florida State University, USA), Eric Chassignet (Center of Ocean-Atmospheric Prediction Studies, USA), Jorge Zavala (Universidad Nacional Autonoma de Mexico), Anke Meyer-Baese (Florida State University, USA), Harshul Pandav (Florida State University, USA)

Two-Phase Bicriterion Search for Finding Fast and Efficient Electric Vehicle Routes
Michael Goodrich (University of California, Irvine, USA), Pawel Pszona (University of California, Irvine, USA)

R2D2: An Error-bounded Delay-bounded Real-time Map Matching Algorithm using HMM and Online Viterbi Decoder
Guanfeng Wang (National University of Singapore), Roger Zimmermann (National University of Singapore)

Secure Mutual Proximity Zone Enclosure Evaluation
Sunoh Choi (Purdue University, USA), Gabriel Ghinita (University of Massachusetts, Boston, USA), Elisa Bertino (Purdue University, USA)

Distance Queries for Complex Spatial Objects in Oracle Spatial
Ying Hu (Oracle America Inc., USA), Siva Ravada (Oracle America Inc., USA), Richard Anderson (Oracle America Inc., USA), Bhuvan Bamba (Oracle America Inc., USA)

Geocoding for texts with fine-grain toponyms: an experiment on a geoparsed hiking descriptions corpus
Ludovic Moncla (LIUPPA Laboratory, France), Walter Renteria-Agualimpia (Universidad de Zaragoza, Spain), Javier Nogueras-Iso (Universidad de Zaragoza, Spain), Mauro Gaio (LIUPPA Laboratory, France)

Spatial Indexing and Analytics on Hadoop
Randall Whitman (Esri, USA), Michael Park (Esri, USA), Sarah Ambrose (Esri, USA), Erik Hoel (Esri, USA)

Persistence Based Online Signal and Trajectory Simplification for Mobile Devices
Panagiota Katsikouli (University of Edinburgh, UK), Rik Sarkar (University of Edinburgh, UK), Jie Gao (Stony Brook University, USA)

Learning to Count Buildings in Diverse Aerial Scenes
Jiangye Yuan (Oak Ridge National Laboratory, USA), Anil Cheriyadat (Oak Ridge National Laboratory, USA)

Local Persistent Homology Based Distance Between Maps
Mahmuda Ahmed (The University of Texas at San Antonio, USA), Brittany Terese Fasy (Tulane University, USA), Carola Wenk (Tulane University, USA)

Hourly Pedestrian Population Trends Estimation using Location Data from Smartphones Dealing with Time and Space Sparsity
Kentaro Nishi (The University of Tokyo, Japan), Kota Tsubouchi (Yahoo Japan Research, Japan), Masamichi Shimosaka (The University of Tokyo, Japan)

Ambiguity and Plausibility: Managing Classification Quality in Volunteered Geographic Information
Ahmed Loai Ali (Bremen University, Germany), Falko Schmid (Bremen University, Germany), Rami Al-Salman (Bremen University, Germany), Tomi Kauppinen (Bremen University, Germany)

Online Event Clustering in Temporal Dimension
Thanh Lam Hoang (IBM Research, Dublin, Ireland), Eric Bouillet (IBM Research, Dublin, Ireland)

Computing Highly Occluded Paths Using a Sparse Network
Niel Lebeck (Duke University Department of Computer Science, USA), Thomas Mølhave (Duke University Department of Computer Science, USA), Pankaj K. Agarwal (Duke University Department of Computer Science, USA)

Adding Completeness Information to Query Answers over Spatial Databases
Simon Razniewski (FU Bozen, Italy), Werner Nutt (Free University of Bozen-Bolzano, Italy)

SubwayPS: Towards Enabling Smartphone Positioning in Underground Public Transportation Systems
Thomas Stockx (Hasselt University, Belgium), Brent Hecht (University of Minnesota, USA), Johannes Schöning (Hasselt University, Belgium)

Taghreed: A System for Querying, Analyzing, and Visualizing Geotagged Microblogs
Amr Magdy (Department of Computer Science and Engineering, University of Minnesota, Minneapolis, USA), Louai Alarabi (University of Minnesota, USA), Saif Al-Harthi (KACST GIS Technology Innovation Center, Umm Al-Qura University, Makkah, Saudi Arabia), Mashaal Musleh (KACST GIS Technology Innovation Center, Umm Al-Qura University, Makkah, Saudi Arabia), Thanaa M. Ghanem (Department of Information and Computer Sciences, Metropolitan State University, Saint Paul, USA), Sohaib Ghani (KACST GIS Technology Innovation Center, Umm Al-Qura University, Makkah, Saudi Arabia), Mohamed F. Mokbel (University of Minnesota, USA)

Uncovering the Spatial Relatedness in Wikipedia
Gianluca Quercini (Supélec - École Supérieure d'Électricité, France), Hanan Samet (University of Maryland, USA)

Scalable Spatio-Textual Region Querying in Key-Value Stores
Anders Skovsgaard (Aarhus University, Denmark), Christian S. Jensen (Aalborg University, Denmark)

LORE: Exploiting Sequential Influence for Location Recommendations
Jia-Dong Zhang (City University of Hong Kong), Chi-Yin Chow (City University of Hong Kong), Yanhua Li (HUAWEI Noah’s Ark Lab, Hong Kong)

Concise Caching of Driving Instructions
Jeppe Rishede Thomsen (The Hong Kong Polytechnic University, Hong Kong), Man Lung Yiu (The Hong Kong Polytechnic University, Hong Kong), Christian S. Jensen (Aalborg University, Denmark)

Index-supported Pattern Matching on Symbolic Trajectories
Fabio Valdés (FernUniversität in Hagen, Germany), Ralf Hartmut Güting (FernUniversität in Hagen, Germany)

TAREEG: A MapReduce-Based Web System for Extracting Spatial Data from OpenStreetMap
Louai Alarabi (University of Minnesota, USA), Ahmed Eldawy (University of Minnesota, USA), Rami Alghamdi (University of Minnesota, USA), Mohamed F. Mokbel (University of Minnesota, USA)

Real-Time Movement Visualization of Public Transit Data
Hannah Bast (University of Freiburg, Germany), Patrick Brosi (geOps, Germany), Sabine Storandt (University of Freiburg, Germany)

Frequency-Based Search for Public Transit
Hannah Bast (University of Freiburg, Germany), Sabine Storandt (University of Freiburg, Germany)

Participatory Route Planning
David Wilkie (UNC Chapel Hill and Google, USA), Cenk Baykal (UNC Chapel Hill, USA), Ming Lin (UNC Chapel Hill, USA)

Learning From Synthetic Models for Roof Style Classification in Point Clouds
Xi Zhang (Illinois Institute of Technology, USA), Andi Zang (Illinois Institute of Technology, USA), Gady Agam (Illinois Institute of Technology, USA), Xin Chen (NOKIA Here.com, USA)

Continuous Monitoring of Nearest Trajectories
Dimitris Sacharidis (R.C. ATHENA, Greece), Dimitrios Skoutas (R.C. ATHENA, Greece), Georgios Skoumas (National Technical University of Athens, Greece)

Spatio-Temporal Trajectory Simplification for Inferring Travel Paths
Hengfeng Li (The University of Melbourne, Australia), Lars Kulik (The University of Melbourne, Australia), Kotagiri Ramamohanarao (The University of Melbourne, Australia)

Towards GeoSpatial Semantic Data Management: Strengths, Weaknesses, and Challenges Ahead
Kostas Patroumpas (National Technical University of Athens, Greece), Giorgos Giannopoulos (Institute for the Management of Information Systems, Athena Research Center, Greece), Spiros Athanasiou (Institute for the Management of Information Systems, Athena Research Center, Greece)

Efficient Itinerary Planning with Category Constraints
Paolo Bolzoni (Free University of Bozen-Bolzano, Italy), Sven Helmer (Free University of Bozen-Bolzano, Italy), Kevin Wellenzohn (Free University of Bozen-Bolzano, Italy), Johann Gamper (Free University of Bozen-Bolzano, Italy), Periklis Andritsos (University of Toronto, Canada)

Efficient computation and simplification of discrete Morse decompositions on triangulated terrains
Riccardo Fellegara (Department of Computer Science, University of Genova, Italy), Federico Iuricich (Department of Computer Science, University of Genova, Italy), Leila De Floriani (Department of Computer Science, University of Genova, Italy), Kenneth Weiss (Lawrence Livermore National Laboratory, USA)

Path-based Queries on Trajectory Data
Benjamin Krogh (Aalborg University, Denmark), Nikos Pelekis (University of Piraeus, Greece), Yannis Theodoridis (University of Piraeus, Greece), Kristian Torp (Aalborg University, Denmark)

How to Eat a Graph: Computing Selection Sequences for the Continuous Generalization of Road Networks
Markus Chimani (University of Osnabrück, Germany), Thomas C. Van Dijk (University of Wuerzburg, Germany), Jan-Henrik Haunert (University of Osnabrück, Germany)

A Framework for Trajectory Segmentation by Stable Criteria
Sander Alewijnse (Eindhoven University of Technology, UK), Kevin Buchin (Technical University Eindhoven, Netherlands), Maike Buchin (Ruhr Universität Bochum, Germany), Andrea Kölzsch (Netherlands Institute of Ecology, Netherlands), Helmut Kruckenberg (European White-Fronted Goose Research Programme, Germany), Michel Westenberg (Eindhoven University of Technology, Netherlands)

Parameter-Free Discovery and Recommendation of Areas-of-Interest
Dmitry Laptev (ETH Zurich, Switzerland), Alexey Tikhonov (Yandex, Russia), Pavel Serdyukov (Yandex, Russia), Gleb Gusev (Yandex, Russia)

Extracting stay regions with uncertain boundaries from GPS trajectories: a case study in animal ecology
Maria Luisa Damiani (University of Milan, Italy), Hamza Issa (University of Milan, Italy), Francesca Cagnacci (Fondazione Edmund Mach, Italy)

Minimum Backward Frechet Distance
Amin Gheibi (Carleton University, Canada), Anil Maheshwari (Carleton University, Canada), Jorg Sack (Carleton University, Canada), Christian Scheffer (Department of Computer Science, Westfälische Wilhelms-Universität Münster, Germany)

Poster Papers

Efficient implementation of a fast approximate viewshed algorithm on SIMD architectures
Jesús Carabaño Bravo (Åbo Akademi University, Finland), Tapani Sarjakoski (Finnish Geodetic Institute, Finland), Jan Westerholm (Åbo Akademi University, Finland)

Quality Control from the Perspective of the Real-Time, Spatial-Temporal Data Aggregator and (re)Distributor
Douglas Galarus (Montana State University, USA), Rafal Angryk (Georgia State University, USA)

Indexing Recent Trajectories of Moving Objects
Ahmed Mahmood (Purdue University, USA), Walid Aref (Purdue University, USA), Ahmed Aly (Purdue University, USA), Saleh Basalamah (Umm Alqura University, Saudi Arabia)

Parameterized Spatial Query Processing based on Social Probabilistic Clustering
Liang Tang (Auburn University, USA), Haiquan Chen (Valdosta State University, USA), Wei-Shinn Ku (Auburn University, USA), Min-Te Sun (National Central University, Taiwan)

SnapNet: Accurate and Efficient Map Matching for Challenging Environments
Reham Mohamed (Alexandria University, Egypt), Heba Aly (Alexandria University, Egypt), Moustafa Youssef (Egypt-Japan University of Science and Technology (E-JUST), Egypt)

Vector Map Constrained Graph Bundling in 3D Environments
Matthias Thöny (University of Zurich, Switzerland), Renato Pajarola (University of Zurich, Switzerland)

Towards Efficient Private Spatial Information Retrieval Using GPUs
Mihai Maruseac (University of Massachusetts, Boston, USA), Gabriel Ghinita (University of Massachusetts, Boston, USA), Ming Ouyang (University of Massachusetts, Boston, USA), Razvan Rughinis (University Politehnica of Bucharest, Romania)

Viewing Streaming Spatially-Referenced Data at Interactive Rates
Shangfu Peng (University of Maryland, USA), Marco Adelfio (University of Maryland, USA), Hanan Samet (University of Maryland, USA)

Placing User-generated Content on the Map with Confidence
Suradej Intagorn (Information Sciences Institute, USC, USA), Kristina Lerman (Information Sciences Institute, USC, USA)

Learning Symbolic Descriptions of Activities from Examples in WAAS
Jongmoo Choi (University of Southern California, USA), Gerard Medioni (University of Southern California, USA)

Maximal Reverse Skyline Query
Farnoush Banaei-Kashani (University of Southern California, USA), Parisa Ghaemi (University of Southern California, USA), John P. Wilson (University of Southern California, USA)

Can Geo-tags on Flickr Draw Coastlines?
Masaki Omori (Shizuoka University, Japan), Masaharu Hirota (Shizuoka University, Japan), Hiroshi Ishikawa (Information and Communicatios Systems, Faculty of System Design, Tokyo Metropolitan University, Japan), Shohei Yokoyama (Shizuoka University, Japan)

A Parallel Query Engine for Interactive Spatiotemporal Analysis
Mihir Sathe (University of Southern California, USA), Craig Knoblock (University of Southern California, USA), Yao-Yi Chiang (University of Southern California, USA), Aaron Harris (University of Southern California, USA)

Efficient and Scalable HMM-based Address Parsing
Xiang Li (New York University, USA)

Fast transportation network traversal with hyperedges
Petko Bakalov (Esri, USA), Erik Hoel (Esri, USA), Wee-Liang Heng (Esri, USA)

A data driven approach to mapping urban neighbourhoods
Paul Brindley (The University of Nottingham, UK), James Goulding (The University of Nottingham, UK), Max Wilson (The University of Nottingham, UK)

Fast Approximation of Reach Hierarchies in Networks
Joris Maervoet (Department of Computer Science, CODeS, KU Leuven, Belgium), Patrick De Causmaecker (Department of Computer Science, CODeS, KU Leuven, Belgium), Greet Vanden Berghe (Department of Computer Science, CODeS, KU Leuven, Belgium)

A spatially enabled framework for habitats and species management system - Architecture and case study
Cristina Oana (Esri Romania), Cristian Vasile (Esri Romania), Simona Ipate Staiculescu (Esri Romania)

Automated Highway Tag Assessment of OpenStreetMap Road Networks
Musfira Jilani (University College Dublin, Ireland), Padraig Corcoran (Massachuseutts Institute of Technology, USA), Michela Bertolotto (University College Dublin, Ireland)

Leveraging P2P Interactions for Efficient Location Privacy in Database-driven Dynamic Spectrum Access
Erald Troja (The Graduate Center, City University of New York (CUNY), USA), Spiridon Bakiras (John Jay College, USA)

Exploring Cell Tower Data Dumps for Supervised Learning-based Point-of-Interest Prediction
Ran Wang (City University of Hong Kong), Chi-Yin Chow (City University of Hong Kong), Sarana Nutanong (City University of Hong Kong), Yan Lyu (City University of Hong Kong), Yanhua Li (HUAWEI Noah’s Ark Lab, Hong Kong), Mingxuan Yuan (Huawei Noah’s Ark Lab, Hong Kong), Victor C. S. Lee (City University of Hong Kong)

Using Multi-Criteria Decision Making for Personalized Point-of-Interest Recommendations
Yan Lyu (City University of Hong Kong), Chi-Yin Chow (City University of Hong Kong), Ran Wang (City University of Hong Kong), Victor C. S. Lee (City University of Hong Kong)

An Efficient Index Structure for Large-scale Geo-tagged Video Databases
Ying Lu (University of Southern California, Integrated Media Systems Center, USA), Cyrus Shahabi (University of Southern California, Integrated Media Systems Center, USA), Seon Ho Kim (University of Southern California, Integrated Media Systems Center, USA)

Efficient Spatial Query Processing for Big Data
Kisung Lee (Georgia Tech, USA), Raghu Ganti (IBM Research TJ Watson, USA), Mudhakar Srivatsa (IBM Research TJ Watson, USA), Ling Liu (Georgia Tech, USA)

Analyzing Electric Vehicle Energy Consumption using Very Large Data Sets
Benjamin Krogh (Aalborg University, Denmark), Ove Andersen (Aalborg University, Denmark), Kristian Torp (Aalborg University, Denmark)

Historical Traffic-Tolerant Paths in Road Networks
Pui Hang Li (Hong Kong Polytechnic University, Hong Kong), Man Lung Yiu (Hong Kong Polytechnic University, Hong Kong), Kyriakos Mouratidis (Singapore Management University, Singapore)

Group Nearest Neighbor Queries in the Presence of Obstacles
Nusrat Sultana (Bangladesh University of Engineering & Technology, Bangladesh), Tanzima Hashem (Bangladesh University of Engineering & Technology, Bangladesh), Lars Kulik (The University of Melbourne, Australia)

Towards Knowledge-Enriched Path Computation
Georgios Skoumas (National Technical University of Athens, Greece), Klaus Arthur Schmid (Ludwig-Maximilians-Universität München, Germany), Gregor Jossé (Ludwig-Maximilians-Universität München, Germany), Mario Nascimento (University of Alberta, Canada), Andreas Züfle (Ludwig-Maximilians-Universität München, Germany), Matthias Renz (Ludwig-Maximilians-Universität München, Germany), Dieter Pfoser (George Mason University, USA)

Parallel Multiple Observer Siting on Terrain
Wenli Li (Rensselaer Polytechnic Institute, USA), W. Randolph Franklin (Rensselaer Polytechnic Institute, USA), Daniel N. Benedetti (Rensselaer Polytechnic Institute, USA), Salles V.G. Magalhães (Rensselaer Polytechnic Institute, USA)

A Combined Geometrical and Topological Simplification Hierarchy for Terrain Analysis Federico Iuricich (University of Genoa, Italy), Leila De Floriani (University of Genoa, Italy)

BioenergyKDF: Enabling Spatiotemporal Data Synthesis and Research Collaboration
Aaron Myers (Oak Ridge National Laboratory, USA), Sunil Movva (Cerner Corporation, USA), Rajasekar Karthik (Oak Ridge National Laboratory, USA), Budhendra Bhaduri (Oak Ridge National Laboratory, USA), Devin White (Oak Ridge National Laboratory, USA), Neil Thomas (Oak Ridge National Laboratory, USA), Adrian Chase (Arizona State University, USA)

Regionally Influential Users in Location-Aware Social Networks
Panagiotis Bouros (Department of Computer Science, Humboldt-Universität zu Berlin, Germany), Dimitris Sacharidis (R.C. ATHENA, Greece), Nikos Bikakis (School of Electrical and Computer Engineering, National Technical University of Athens, Greece)

Towards Approximate Spatial Queries for Large-scale Vehicle Networks
Lipeng Wan (University of Tennessee, USA), Zhibo Wang (University of Tennessee, USA), Zheng Lu (University of Tennessee, USA), Hairong Qi (University of Tennessee, USA), Wenjun Zhou (University of Tennessee, USA), Qing Cao (University of Tennessee, USA)

Themis: Balanced Navigation System for a Better Traffic Ecosystem
Ruilin Liu (Rutgers University, USA), Hongzhang Liu (Rutgers University, USA), Daehan Kwak (Rutgers University, USA), Yong Xiang (Tsinghua University, China), Cristian Borcea (New Jersey Institute of Technology, USA), Badri Nath (Rutgers University, USA), Liviu Iftode (Rutgers University, USA)

Reverse Geo-coding for Photo Captioning with a Meta-Gazetteer
Vlad Tanasescu (Cardiff University, UK), Christopher Jones (Cardiff University, UK), Philip Smart (Cardiff University, UK)

Leveraging Advances in Natural Language Processing to Better Understand Tobler’s First Law of Geography
Toby Jia-Jun Li (University of Minnesota, USA), Shilad Sen (Macalester College, USA), Brent Hecht (University of Minnesota, USA)

Labeling Streets in Dynamic 3D Maps Using Embedded Labels
Nadine Schwartges (Universität Würzburg, Germany), Alexander Wolff (Universität Würzburg, Germany), Jan-Henrik Haunert (University of Osnabrück, Germany)

The Tale of (Fusing) Two Uncertainties
Bing Zhang (Northwestern University, USA), Goce Trajcevski (Northwestern University, USA)

Community Detection from Location-Tagged Networks
Zhi Liu (University of North Texas, USA), Yan Huang (University of North Texas, USA)

Modeling Fuzzy Topological Predicates for Fuzzy Regions
Anderson Chaves Carniel (Federal University of São Carlos, Brazil), Markus Schneider (University of Florida, USA), Ricardo Rodrigues Ciferri (Federal University of São Carlos, Brazil), Cristina Dutra De Aguiar Ciferri (University of São Paulo at São Carlos, Brazil)

Automated Generation of Indoor Accessibility Information for Mobility-Impaired Individuals
Nemanja Kostic (Institute for Geoinformatics, University of Münster, Germany), Simon Scheider (Institute for Geoinformatics, University of Münster, Germany)

Demonstration Papers

GeoBench: a Geospatial Integration Tool for Building a Spatial Entity Matching Benchmark
Anthony Morana (Université Claude Bernard Lyon 1, France), Thomas Morel (Université Claude Bernard Lyon 1, France), Bilal Berjawi (LIRIS, Université Lyon 1, France), Fabien Duchateau (LIRIS, Université Lyon 1, France)

VisCAT: Spatio-Temporal Visualization and Aggregation of Categorical Attributes in Twitter Data
Thanaa M. Ghanem (Department of Information and Computer Sciences, Metropolitan State University, Saint Paul, USA), Amr Magdy (Department of Computer Science and Engineering, University of Minnesota, Minneapolis, USA), Mashaal Musleh (KACST GIS Technology Innovation Center, Umm Al-Qura University, Makkah, Saudi Arabia), Sohaib Ghani (KACST GIS Technology Innovation Center, Umm Al-Qura University, Makkah, Saudi Arabia), Mohamed F. Mokbel (University of Minnesota, USA)

A Social Navigation Guide using Augmented Reality
Miguel Mata (UPIITA, Mexico), Christophe Claramunt (Naval Academy Reseach Institute, France)

SATO: A Spatial Data Partitioning Framework for Scalable Query Processing
Hoang Vo (Emory University, USA), Ablimit Aji (HP Labs, USA), Fusheng Wang (Emory University, USA)

A Search and Summary Application for Traffic Detected Events Based on Twitter Data
Meiling Liu (Northeast Forestry University, P.R.China and Department of Computer Science, Virginia Tech, China), Kaiqun Fu (Virginia Polytechnic Institute and State University, USA), Chang-Tien Lu (Virginia Polytechnic Institute and State University, USA), Huiqiang Wang (Harbin Engineering University, China), Yang Yu (Northeast Forestry University, China)

Extraction, Integration and Exploration of Crowdsourced Geospatial Content from Multiple Web Sources
George Lamprianidis (R.C. ATHENA, Greece), Dimitrios Skoutas (R.C. ATHENA, Greece), George Papatheodorou (R.C. ATHENA, Greece), Dieter Pfoser (George Mason University, USA)

TREADS: A Safe Route Recommender using Social Media Mining and Text Summarization
Kaiqun Fu (Virginia Polytechnic Institute and State University, USA), Yen-Cheng Lu (Virginia Polytechnic Institute and State University, USA), Chang-Tien Lu (Virginia Polytechnic Institute and State University, USA)

TRAVIC: A Visualization Client for Public Transit Data
Hannah Bast (University of Freiburg, Germany), Patrick Brosi (geOps, Germany), Sabine Storandt (University of Freiburg, Germany)

Monitoring moving objects using uncertain Web data
Mouhamadou Lamine Ba (Institut Mines-Télécom and Télécom ParisTech, France), Sebastien Montenez (Institut Mines- Télécom and Télécom ParisTech, France), Talel Abdessalem (Télécom ParisTech, France), Pierre Senellart (Institut Mines- Télécom and Télécom ParisTech, France)

Efficient One-click Browsing of Large Trajectory Sets
Benjamin Krogh (Aalborg University, Denmark), Ove Andersen (Aalborg University, Denmark), Edwin Lewis-Kelham (Aalborg University, Denmark), Kristian Torp (Aalborg University, Denmark)

A Demonstration of GeomSMS: An SMS Framework for Sharing Geospatial Features
Chandan Misra (Indian Institute of Technology Kharagpur, India), Arindam Dasgupta (Indian Institute of Technology Kharagpur, India), Soumya K. Ghosh (Indian Institute of Technology Kharagpur, India)

A System for Efficient Cleaning and Transformation of Geospatial Data Attributes
Yao-Yi Chiang (University of Southern California, USA), Bo Wu (University of Southern California, USA), Akshay Anand (University of Southern California, USA), Ketan Akade (University of Southern California, USA)

From Map Images to Geographic Names
Yao-Yi Chiang (University of Southern California, USA), Sima Moghaddam (University of Southern California, USA), Sanjauli Gupta (University of Southern California, USA), Renuka Fernandes (University of Southern California, USA)

Routing Service With Real World Severe Weather
Abdeltawab Hendawi (University of Minnesota, USA), Yiru Li (University of Washington, Tacoma, USA), Sarah George (University of Washington, Tacoma, USA), Craig Apfelbeck (University of Washington, Tacoma, USA), Mohamed Ali (Microsoft Corporation, USA), David Hazel (University of Washington, Tacoma, USA), Ankur Teredesai (University of Washington, Tacoma, USA)

A GIS-based Serious Game Interface for Therapy Monitoring
Ahmad Qamar (College of Computer and Information Systems, Umm Al-Qura University, Makkah, Saudi Arabia), Imad Afyouni (KACST GIS Technology Innovation Center, Umm Al-Qura University, Makkah, France), Mohamed Abdur Rahman (College of Computer and Information Systems, Umm Al-Qura University, Makkah, Canada), Faizan Ur Rehman (Department of Computer Science, LIG, University of Grenoble Alpes, India), Delwar Hossain (KACST GIS Technology Innovation Center, Umm Al-Qura University, Makkah, Saudi Arabia), Saleh Basalamah (Umm Alqura University, Saudi Arabia), Ahmed Lbath (Department of Computer Science, LIG, University of Grenoble Alpes, France)

Automated Itinerary Visualization
Marco Adelfio (University of Maryland, USA), Hanan Samet (University of Maryland, USA)

City Nexus: Discovering Pairs of Jointly-Visited Locations Based on Geo-Tagged Posts in Social Networks
Yaron Kanza (Jacobs Technion-Cornell Innovation Institute, USA), Elad Kravi (Technion, Israel), Uri Motchan (Technion, Israel)

Traffic Incident Validation and Correlation Using Text Alerts and Images
Wye Huong Yan (Nanyang Technological University, Singapore), Justin Ong (Nanyang Technological University, Singapore), Shen-Shyang Ho (Nanyang Technological University, Singapore), Jim Cherian (Nanyang Technological University, Singapore)

SIGSPATIAL Cup Papers

ACM SIG SPATIAL GIS CUP 2014: Constrained Generalization
Siva Ravada (Oracle, USA), Xin Chen (HERE, a Nokia Company, USA), Zhi Liu (University of North Texas, USA), Xi Zhang (Illinois Institute of Technology, USA)

An Efficient Method of Map Generalization Using Topology Partitioning and Constraints Recognition
Hongtai Zhang (Chinese Academy of Sciences), Jian Dai (Chinese Academy of Sciences), Kuien Liu (Chinese Academy of Sciences), Huidan Liu (Chinese Academy of Sciences), Danhuai Guo (Chinese Academy of Sciences)

A Fast Algorithm of Geometry Generalization
Yuwei Wang (Chinese Academy of Sciences), Danhuai Guo (Chinese Academy of Sciences), Kuien Liu (Chinese Academy of Sciences), Yan Xiong (Chinese Academy of Sciences)

Greedy Map Generalization by Iterative Point Removal
Yanzhe Chen (Shanghai Jiao Tong University, Shanghai, China), Rong Chen (Shanghai Jiao Tong University, Shanghai, China), Haibo Chen (Shanghai Jiao Tong University, Shanghai, China), Binyu Zang (Shanghai Jiao Tong University, Shanghai, China), Yin Wang (Facebook, Menlo Park, USA)

Geometry Simplification Under Constraints
Shivanth P (IIT Bombay, India), Sandeep Kale (IIT Bombay, India), Vishal Goje (IIT Bombay, India), Nandlal Sarda (IIT Bombay, India), Umesh Bellur (IIT Bombay, India)

Fast Map Generalization Heuristic with a Uniform Grid
Salles Viana Gomes de Magalhaes (Universidade Federal de Vicosa, Brazil), W Randolph Franklin (Remssealer Polytechnic Institute, Brazil), Wenli Li (Remssealer Polytechnic Institute, Brazil), Marcus V. A. Andrade (Universidade Federal de Vicosa, Brazil)