Building Sensor Networks

4	Real-Time Search in the Sensor Internet
Richard Mietz and Kay Römer

CONTENTS

4.1  Introduction

4.2  Search in the “Traditional” Internet

4.2.1  General Concepts

4.2.1.1  Gathering Web Content

4.2.1.2  Indexing Web Content

4.2.1.3  Understanding User Intent

4.2.1.4  Presenting Results

4.2.2  Systems

4.2.2.1  General Search Engines

4.2.2.2  Specialized Search Engines

4.3  Search in Sensor Networks

4.3.1  General Concepts

4.3.1.1  Gathering Sensor Data

4.3.1.2  Indexing Sensor Data

4.3.1.3  Understanding User Intent

4.3.1.4  Presenting Results

4.3.2  Systems

4.3.2.1  Snoogle/Microsearch

4.3.2.2  MAX

4.3.2.3  Sensor Directories

4.3.2.4  Objects Calling Home

4.3.2.5  Distributed Image Search

4.3.2.6  Presto

4.3.2.7  Dyser

4.4  A Semantic ...