Grouper: A Dynamic Clustering Interface to Web Search Results Fatih Çalı ş ır Tolga Çekiç Elif...
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Transcript of Grouper: A Dynamic Clustering Interface to Web Search Results Fatih Çalı ş ır Tolga Çekiç Elif...
Grouper: A Dynamic Clustering Interface
to Web Search Results
Fatih ÇalışırTolga Çekiç
Elif DalAcar Erdinç
07.03.2013
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Introduction
Ranked List vs. Clustering
Pre-retrieval Clustering vs. Post-retrieval Clustering
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Methodology
STC (Suffix Tree Clustering)
Interface
Cluster Representation
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STC
Three steps: Document cleaning Identifying base clusters using a suffix tree Merging base clusters
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STC
Characteristics of STC: Incremental Overlapping Unspecified number of clusters Clustering based on phrases Robust to noise
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Interface
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Interface
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Cluster Representation
Selecting the phrases for clustering representation: Word Overlapping Sub- and Super-Strings Most-general phrase with low coverage
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Thanks for Listening
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