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QAGView: Interactively Summarizing High-Valued Aggregate Query Answers
Yuhao Wen1, Xiaodan Zhu1, Sudeepa Roy1
1Department of Computer Science, Duke University Durham, North Carolina.
Proceedings. ACM-SIGMOD International Conference on Management of Data
|August 27, 2019
Summary
QAGView (Quick Aggregate View) generates diverse and relevant summaries of query results. This system ensures coverage of top answers, offering users an informative overview with interactive parameter tuning.
Area of Science:
- Data Management
- Information Retrieval
- Human-Computer Interaction
Background:
- Presenting large query result sets to users effectively is challenging.
- Existing methods for summarizing and diversifying query results aim to improve information presentation.
- Aggregate query answers often contain numerous tuples, necessitating efficient summarization techniques.
Purpose of the Study:
- To introduce QAGView (Quick Aggregate View), a system for providing holistic overviews of high-valued aggregate query answers.
- To ensure summaries offer a coverage guarantee for a user-specified number of top-valued answers.
- To generate summaries that are both diverse and relevant, avoiding overlap and focusing on valuable data.
Main Methods:
- Developing a system that generates summaries highlighting high-level properties from subsets of query answers.
- Implementing a coverage guarantee mechanism for a user-defined number of top-valued answers.
- Employing optimizations for quick parameter preview and real-time visualization of summary evolution.
Main Results:
- QAGView presents query results as diverse, relevant, and guaranteed-coverage summaries.
- Users can view summaries as clusters and expand them to see constituent result tuples.
- Interactive parameter tuning allows users to fine-tune summary generation based on preferences.
Conclusions:
- QAGView offers an effective approach to summarizing and diversifying aggregate query results.
- The system enhances user understanding by providing informative, high-level overviews.
- Interactive features and optimizations facilitate user-driven exploration of query result summaries.
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