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Grouper: A Dynamic Clustering Interface to Web Search Results Fatih Çalı ş ır Tolga Çekiç Elif Dal Acar Erdinç /9
Introduction Ranked List vs. Clustering Pre-retrieval Clustering vs. Post-retrieval Clustering 2/9
Methodology STC (Suffix Tree Clustering) Interface Cluster Representation 3/9
STC Three steps: Document cleaning Identifying base clusters using a suffix tree Merging base clusters 4/9
STC Characteristics of STC: Incremental Overlapping Unspecified number of clusters Clustering based on phrases Robust to noise 5/9
Cluster Representation Selecting the phrases for clustering representation: Word Overlapping Sub- and Super-Strings Most-general phrase with low coverage 8/9
Thanks for Listening 9/9
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