关键词: 数据质量，数据清洗，数据集成，领域无关数据清洗

Abstract: Research on domain-independent data cleaning was surveyed. First, relationships among total data quality management, data integration and data cleaning were clarified, and characteristics of domain-independent data cleaning were emphasized. hhen, domain-independent data cleaning was classified as fcaturcbased similarity methods, context based methods and relationship-based methods. They were introduced respectively. At last, the future research direclions of domain-independent data cleaning were discussed.

Key words: Data quality, Data cleaning, Data integration, Domain-independent data cleaning