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Llaves Arellano, Alejandro ; Llaves-Arellano, Alejandro ; Arellano, Alejandro Llaves- ; Llaves, Alejandro: Integration of sensor data by means of an event abstraction layer. 9.1.2014
Inhalt
Abstract
Publications
Acknowledgments
Contents
List of Figures
List of Tables
Listings
Acronyms
1 Introduction
1.1 Overview
1.2 Motivation
1.2.1 The data avalanche in the Digital Earth
1.2.2 Modelling spatio-temporal change
1.2.3 Semantic interoperability problems
1.3 Research questions
1.4 Scope and Limitations of the Thesis
1.5 Thesis Outline
2 Background and Related Work
2.1 Sensors and Environmental Monitoring
2.2 Semantic Web and Sensor Web
2.3 Event Modelling
2.3.1 The nature of events
2.3.2 Events in DOLCE
2.3.3 Event modelling in GIScience
2.3.4 Events and observations in the Semantic Sensor Network ontology
2.3.5 Generic event models
2.4 Event Processing
2.4.1 ESP vs. CEP
2.4.2 EDA, SOA and the pub/sub paradigm
2.4.3 Semantic event processing for general purpose
2.4.4 Inferring events from sensor observations in GIScience
2.5 Eventing Standards
3 Inferring Events from in situ Sensor Observations
3.1 My Perspective of Events
3.2 The Event Abstraction Layer
3.3 Semantic Annotation of Event Patterns
3.4 The Event Abstraction Ontology
4 Implementation of the Event Abstraction Layer
4.1 Semantic Event Processing Architecture
4.2 Event Processing Service Prototype
4.2.1 Scheduling sensor data requests
4.2.2 Registering event patterns
4.2.3 Publication of event instances
5 Real-time flood monitoring in the Danube River
5.1 Overview
5.2 Two Views on the River Floods: a Governmental Body and a Hydroelectric Power Plant
5.3 Inferring Events from Flood Monitoring Observations
5.3.1 A domain ontology for flood monitoring
5.3.2 Application ontologies and event patterns
5.4 Conclusion
6 Evaluation
6.1 Testing the Prototype: Evaluation Experiments
6.1.1 Analysis of historical data: the Romanian floods in 2006
6.1.2 Simulating floods in real-time
6.1.3 Conclusion
6.2 Comparing my Approach to Existing Solutions
7 Conclusions and Future Work
7.1 Answer to Research Questions
7.2 Contribution
7.3 Future Work
8 Appendix
8.1 EPS Software Engineering
8.1.1 EPS class diagram
8.2 SOS data request
8.3 Event Patterns
8.3.1 Event patterns for Romanian Waters
8.3.2 Event patterns for Hidroelectrica Romania
8.3.3 Event patterns for real-time experiment
8.4 Properties of an Event Abstraction Instance
8.5 SPARQL Queries
8.6 Real-time Data Simulation
Bibliography
Declaration
Curriculum Vitae