Image    25 XML Information Retrieval

Mounia Lalmas

CONTENTS

Introduction

Query Languages

Tag-Based Queries

Path-Based Queries

Clause-Based Queries

Representation Strategies

Ranking Strategies

Scoring Strategies

Combination Strategies

Propagation

Aggregation

Merging

Processing Structural Constraints

Removing Overlaps

Discussion

Acknowledgments

References

INTRODUCTION

Documents can be structured or unstructured. Unstructured documents have no (or very little) fixed predefined format, whereas structured documents are usually organized according to a fixed predefined structure. An example of a structured document is a book organized into chapters, each ...

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