Integration of heterogeneous object schemas

Mathematics

• Schema 100%
• Object 58%
• Heterogeneous Databases 36%
• Conflict 19%
• Assertion 17%
• Heterogeneous Systems 13%
• Database Systems 12%
• Transparency 12%
• Strategy 12%
• Integration rule 11%
• Resolve 8%
• Query 8%
• Semantics 7%
• Correspondence 7%
• Operator 4%

Engineering & Materials Science

• Object-oriented databases 21%
• Transparency 18%
• Mathematical operators 15%
• Semantics 11%
• Set theory 11%