766 search results - page 13 / 154 » Commuting aggregation operators |
VLDB
1995
ACM
13 years 11 months ago
1995
ACM
Efficient processing of aggregation queries is essential for decision support applications. This paper describes a class of query transformations, called eager aggregation and lat...
FOSSACS
2004
Springer
14 years 26 days ago
2004
Springer
Labelled Markov processes (LMPs) are automata whose transitions are given by probability distributions. In this paper we present a ‘universal’ LMP as the spectrum of a commutat...
CADE
2006
Springer
13 years 11 months ago
2006
Springer
We present a tool for checking the sufficient completeness of linear, order-sorted equational specifications modulo associativity, commutativity, and identity. Our tool treats this...
TIT
2002
13 years 7 months ago
2002
Abstract--We consider visible compression for discrete memoryless sources of mixed quantum states when only classical information can be sent from Alice to Bob. We assume that Bob ...
EDBT
2009
ACM
13 years 10 months ago
2009
ACM
Temporal aggregation is a crucial operator in temporal databases and has been studied in various flavors. In instant temporal aggregation (ITA) the aggregate value at time instan...