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VLDB
2001
ACM
93views Database» more  VLDB 2001»
14 years 1 months ago
Transaction Timestamping in (Temporal) Databases
Many database applications need accountability and trace-ability that necessitate retaining previous database states. For a transaction-time database supporting this, the choice o...
Christian S. Jensen, David B. Lomet
ARTDB
1997
Springer
269views Database» more  ARTDB 1997»
14 years 1 months ago
Parallel Event Detection in Active Database Systems: The Heart of the Matter
This paper proposes a strategy for parallel composite event detection in Active database systems (DBS). Up to now, the detection is sequential and totally synchronized, and thus p...
Ulrike Jaeger, Johann K. Obermaier
VLDB
2005
ACM
93views Database» more  VLDB 2005»
14 years 2 months ago
Indexing Mixed Types for Approximate Retrieval
In various applications such as data cleansing, being able to retrieve categorical or numerical attributes based on notions of approximate match (e.g., edit distance, numerical di...
Liang Jin, Nick Koudas, Chen Li, Anthony K. H. Tun...
ORDER
2007
79views more  ORDER 2007»
13 years 8 months ago
Computable Linearizations of Well-partial-orderings
Abstract. We analyze results on well-partial-orderings from the viewpoint of computability theory, and we answer a question posed by Diana Schmidt. We obtain the following results....
Antonio Montalbán
ER
2007
Springer
89views Database» more  ER 2007»
14 years 3 months ago
On Order Dependencies for the Semantic Web
We consider the problem of adding both equality and order generating dependencies to Web ontology languages such as OWL DL that are based on description logics. Such dependencies u...
David Toman, Grant E. Weddell