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Summary
Summary
With the turn of the century our ability to collect and store geospatial information has increased considerably. This has resulted in ever-increasing amounts of heterogeneous geospatial data, an issue that poses new challenges and opportunities. As these rich sources of data are made available, users rely, now more than ever, on the geospatial data infrastructure. The availability and accessibility of such data, as well as the ability to effectively manage, model, index and query the data is becoming a cornerstone in numerous applications. Moreover, the ability to formalize and represent data is becoming key to integration and interoperability. With the introduction of distributed geospatial data infrastructure and the implementation of web-based services, the impact of such issues is becoming even more evident. Inspired by these challenges, this book on Next Generation Geospatial Information offers a collection of original contributions from leading experts in spatial information modeling, image processing and analysis, database management, ontologies and data mining. It provides a unique insight into the current state-of-the-art and future challenges in geospatial information through four thematic chapters, each of which represents a primary research theme, namely distributed spatial infrastructure, image-based geospatial information management, indexing and querying geospatial databases, and ontology and semantics for geospatial data.
Author Notes
Agouris, Peggy; Croituru, Arie
Table of Contents
Preface | p. vii |
Workshop Organization | p. ix |
Keynote paper | |
Invasive Species: An Emerging Science Application for Geospatial Information | p. xiii |
Chapter 1 Distributed Geospatial Data Infrastructure | |
Foreword | p. 3 |
Geographic Information Retrieval | p. 5 |
Grid-Enabled Mediation Service for Geospatial Information | p. 15 |
A Quantitative Analysis of a Mobile Distributed Geospatial Agent Architecture | p. 25 |
Continuous Generalization for Small Mobile Displays | p. 33 |
Chapter 2 Image-Based Geospatial Information Management and Modeling | |
Foreword | p. 45 |
Image-Based Automatic Object Outline Updating in Geospatial Databases | p. 47 |
A Semi-Automated Approach for the Recognition and Extraction of Water Features from Landsat 7 Imagery in Northern Canada | p. 59 |
Change Detection and Integration of Topographic Updates from ATKIS to Geoscientific Data Sets | p. 69 |
Evaluating Geometric and Radiometric Suitability for Optimal Image Selection in VR Modeling | p. 81 |
Chapter 3 Indexing and Querying Geospatial Databases | |
Foreword | p. 95 |
A Unified Index Scheme for Location Data and Mobile Customer Profiles | p. 97 |
Timelets: a Data Model for Immense-Scale, Subsecond GIS | p. 107 |
Spatial Cone Tree: An Auxiliary Search Structure for Correlation-Based Similarity Queries on Spatial Time Series Data | p. 117 |
Learning Approximate Thematic Maps for Labeled Geospatial Data | p. 129 |
Chapter 4 Ontology and Semantics for Geospatial Data | |
Foreword | p. 145 |
A Unified Ontological Framework for Semantic Integration | p. 147 |
Ontology-Based Geospatial Web Query System | p. 157 |
Incorporating Process in Geographic Information for Enhancing Semantic Verification | p. 169 |
Author Index | p. 179 |