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Topic Segmentation in Spoken
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Topic Segmentation in Spoken
Contents
List of Figures
Introduction
Review of the Literature
Topic segmentation
TextTiling and Marti Hearst's work
Research extending and improving, and using TextTiling
Other approaches
Spoken dialogue and structure
Theories of structure
Software Implementation
Outline of functionality
Architecture
Implementation details
Ancillary modules
Parsing the data
Output
Visualisation
Summary of usage
Example session
Calculating similarities and detecting breaks
Creating annotated transcripts in HTML
Plotting graphs
Bugs and inefficiencies
Experiments
Outline
Methodology
Hand-annotated data collection
System parameter experiments
Results and Evaluation
Calibration data
Evaluations against human markup
Imprecision
Misses
Annotator normalisation
Sparseness agreement
Annotator differences
Parameter tuning
Conclusions
Observations
Implications of false positives
Inter-annotator agreement
Further work
Bibliography
James Ballantine 2005-02-19