Institutsbibliothek für Geographie und regionale Entwicklung

Part I User Generated and Social Network Data

Estimating Completeness of VGI Datasets by Analyzing Community Activity Over Time Periods . . 3
Estimation of Building Types on OpenStreetMap Based on Urban Morphology Analysis . . 19
Qualitative Representations of Extended Spatial Objects in Sketch Maps . . 37
Exploring the Geographical Relations Between Social Media and Flood Phenomena to Improve Situational Awareness . . 55
Event Identification from Georeferenced Images . . 73

Part II Trajectory Analysis

A Recursive Bayesian Filter for Anomalous Behavior Detection in Trajectory Data . . 91
Using GPS Logs to Identify Agronomical Activities . . 105
Assessing the Influence of Preprocessing Methods on Raw GPS-Data for Automated Change Point Detection . . 123

Part III Data Mining, Fusion and Integration

Mining Frequent Spatio-Temporal Patterns in Wind Speed and Direction . . 143
STCode: The Text Encoding Algorithm for Latitude/Longitude/Time . . 163
Fast SNN-Based Clustering Approach for Large Geospatial Data Sets . . 179
RSS and Sensor Fusion Algorithms for Indoor Location Systems on Smartphones . . 197
An Image Segmentation Process Enhancement for Land Cover Mapping from Very High Resolution Remote Sensing Data Application in a Rural Area . . 215
Line Matching for Integration of Photographic and Geographic Databases . . 235

Part IV Representation, Visualization and Perception

Encoding and Querying Historic Map Content . . 251
An Area Merge Operation for Smooth Zooming . . 275
Point Labeling with Sliding Labels in Interactive Maps . . 295
Routes to Remember: Comparing Verbal Instructions and Sketch Maps . . 311

Part V Geospatial Decision Support Services

Behaviour-Driven Development Applied to the Conformance Testing of INSPIRE Web Services . . 325
Making the Web of Data Available Via Web Feature Services . . 341
City Bench: A Geospatial Exploration of Comparable Cities . . 361
A CIS-Based Process for Calculating Visibility Impact from Buildings During Transmission Line Routing . . 383