Optimizing Query Answering under Ontological Constraints
Ontological queries are evaluated against a database combined with ontological constraints. Answering such queries is a challenging new problem for database research. For many ontological modelling languages, query answering can be solved via query rewriting: given a conjunctive query and an ontolog...
| Những tác giả chính: | , |
|---|---|
| Định dạng: | Journal article |
| Được phát hành: |
2011
|