Small " Data Integration: How is it Done? ."Small data integration: alignment+ linkage fusion Data fusion: reconciliation of mismatching content (e. g, pattern) Stemma Alignment Record linkage Data fusion
“Small” Data Integration: How is it Done? “Small” data integration: alignment + linkage + fusion – Data fusion: reconciliation of mismatching content (e.g., pattern) 16 Schema Alignment Record Linkage Data Fusion
Small " Data Integration: How is it Done? ."Small data integration: alignment+ linkage fusion Data fusion: reconciliation of mismatching content (e. g, pattern) Stemma Alignment Record linkage Data fusion
“Small” Data Integration: How is it Done? “Small” data integration: alignment + linkage + fusion – Data fusion: reconciliation of mismatching content (e.g., pattern) 17 Schema Alignment Record Linkage Data Fusion X
Small " Data Integration: How is it Done? ."Small data integration: alignment+ linkage fusion Data fusion: reconciliation of mismatching content (e. g, pattern) Stemma Alignment Record linkage Data fusion
“Small” Data Integration: How is it Done? “Small” data integration: alignment + linkage + fusion – Data fusion: reconciliation of mismatching content (e.g., pattern) 18 Schema Alignment Record Linkage Data Fusion ✓
Outline ◆ Motivation Why do we need big data integration? How has"small data integration been done? Challenges in big data integration ◆ Schema alignment ◆ Record linkage ◆ Data fusion ◆ merging topICs
Outline Motivation – Why do we need big data integration? – How has “small” data integration been done? – Challenges in big data integration Schema alignment Record linkage Data fusion Emerging topics 19
BDI: Why is it Challenging? Big data integration big, messy pulles s Data integration solving lots of jigsaw puzzle E. g, missing, duplicate, damaged pieces 。式
BDI: Why is it Challenging? Data integration = solving lots of jigsaw puzzles – Big data integration → big, messy puzzles – E.g., missing, duplicate, damaged pieces 20