Boolean + ranking: querying a database by k-constrained optimization.
Zhen ZhangSeung-won HwangKevin Chen-Chuan ChangMin WangChristian A. LangYuan-Chi ChangPublished in: SIGMOD Conference (2006)
Keyphrases
- constrained optimization
- database
- databases
- query language
- unconstrained optimization
- objective function
- constraint handling
- constrained optimization problems
- augmented lagrangian
- database systems
- data model
- inequality constraints
- ranking algorithm
- penalty function
- relational databases
- penalty functions
- multi objective
- lagrange multipliers
- iterative methods
- pattern search