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Context-Aware Query Suggestion by Mining Click-Through and Session Data

Context-Aware Query Suggestion by Mining Click-Through and Session Data. Huanhuan Cao Daxin Jiang Jian Pei Qi He Zhen Liao Enhong Chen Hang Li. Outline. Framework Mining Query Concepts Click-Trough Bipartite Clustering Method Query Suggestions Query Sessions Concept Sequence Suffix Tree

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Context-Aware Query Suggestion by Mining Click-Through and Session Data

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  1. Context-Aware Query Suggestion by Mining Click-Through and Session Data Huanhuan Cao Daxin Jiang Jian Pei Qi He Zhen Liao Enhong Chen Hang Li

  2. Outline • Framework • Mining Query Concepts • Click-Trough Bipartite • Clustering Method • Query Suggestions • Query Sessions • Concept Sequence Suffix Tree • Online Query Suggestion

  3. Framework

  4. Mining Query Concepts • Click-Trough Bipartite • Clustering Method

  5. Click-Trough Bipartite

  6. The feature vector of a query: • The Euclidean distance between two queries:

  7. The data structure for clustering

  8. Clustering Method

  9. The normalized centroid of a cluster: • Distance between a query and a cluster: • The compactness of a cluster:

  10. Conducting Query Suggestion • Query Session • Concept Sequence Suffix Tree • Online Query Suggestion

  11. Query Session

  12. Concept Sequence Suffix Tree

  13. Online Query Suggestion

  14. Question

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