Approximate Top-K Answering under Uncertain Schema Mappings

Keyphrases

• Schema Mapping 100%
• Tuple 80%
• Data Integration System 40%
• Information Exchange 20%
• Heterogeneous Data Sources 20%
• Query Answering 20%
• Existing Algorithms 20%
• Peer-to-peer Systems 20%
• Attribute Matching 20%
• Integration Techniques 20%
• Uncertain Query 20%
• Histogram Approximation 20%
• Source Maps 20%
• Data Integration 20%
• Histogram Algorithm 20%

Computer Science

• Schema Mapping 100%
• Data Integration System 40%
• Approximation (Algorithm) 20%
• Data Integration Technique 20%
• Histogram Algorithm 20%
• Tuple Semantics 20%
• Multiple Schema 20%
• query answering 20%
• Data Source 20%
• Peer-to-Peer System 20%
• Table Semantics 20%
• Heterogeneous Data 20%