Added new similarity measures:
- TF-IDF cosine similarity of strings
- Similarity of geo coordinates
Added a new matching rule with missing value penalty:
- A linear combination matching rule which applies an explicit penalty for missing attribute values
Extended result logging features:
- Examine data fusion results on record level
- Improved user notifications for easing error analysis
Further changes:
- Report blocking time during identity resolution
- Publish winter on maven central
- Illustrated the usage of the new features in the tutorial