Fourth International Workshop on Research Issues in Data Engineering: Active Database Systems : Proceedings, February 14-15, 1994, Houston, TexasJennifer Widom, Sharma Chakravarthy Proceedings of a workshop held in Houston, Texas, in February 1994. Papers centering around active databases are divided into six sections: implementation and optimization, language design and applications, integrity constraints and derived data, rule processing I and II, and design and debugging. T |
Contents
Detecting Composite Events in Active Database Systems Using Petri Nets | 2 |
Performance of Incremental Update in Database Rule Processing | 10 |
Semantic Change Computation Optimization in Active Databases | 19 |
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Common terms and phrases
abort activation scripts active database active database systems active rules agent algorithm application approach atomic events attribute Auser behavior checked complex event composite events Computer condition Conf consistent contingency plan database instance DBMS deductive deductive databases defined definition deleted denote dependencies evaluation event detector event schedules example execution model Figure formula has-instance IEEE implementation incremental update insert integrity constraints Intensional Management matching metarules method object object diagrams object-oriented database occur optimization paper parameters PARULEL performed Petri nets portfolio predicate primary key problem Proc Production Rules query reaction referential integrity Relational Algebra REORDER result rewrite rule execution rule instances rule language rule system S-PN schema Section semantics set-oriented SIGMOD simulation specification Starburst state-element TAB1 TAB2 task temporal Temporal Databases tion token transaction trigger rule triggered action tuple update operation user-defined variable violation Widom