The derived data update problem involves the transformation of modifications of derived facts into corresponding changes to base facts and other derived facts. Using a database sc...
- In this paper, we addressthe problem of priority scheduling in a databasemanagement system. We start by investigating the architectural consequences of adding priority to a DBMS....
In this paper, we introduce Quasi Serializability, a correctness criterion for concurrency control in heterogeneous distributed database environments. A global history is quasi se...
Managingtransactionswith real-timerequirements and disk residentdata presentsmany new problems.In thispaperweaddressseveral:How canwe scheduletransactionswith deadlines?How do the...
An overview is presented of the use of hierarchical spatial data structures such as the quadtree. They are based on the principle of recursive decomposition. The focus is on the r...