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» Executing Nested Queries
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VLDB
2001
ACM
82views Database» more  VLDB 2001»
15 years 8 months ago
Supporting Incremental Join Queries on Ranked Inputs
This paper investigates the problem of incremental joins of multiple ranked data sets when the join condition is a list of arbitrary user-defined predicates on the input tuples. ...
Apostol Natsev, Yuan-Chi Chang, John R. Smith, Chu...
172
Voted
JUCS
2010
152views more  JUCS 2010»
14 years 11 months ago
Compositional Semantics of Dataflow Networks with Query-Driven Communication of Exact Values
: We develop and study the concept of dataflow process networks as used for example by Kahn to suit exact computation over data types related to real numbers, such as continuous fu...
Michal Konecný, Amin Farjudian
DMG
2005
Springer
15 years 9 months ago
Framework for Querying Distributed Objects Managed by a Grid Infrastructure
Queries over scientific data often imply expensive analyses of data requiring a lot of computational resources available in Grids. We are developing a customizable query processor...
Ruslan Fomkin, Tore Risch
SIGMOD
2005
ACM
168views Database» more  SIGMOD 2005»
16 years 4 months ago
No pane, no gain: efficient evaluation of sliding-window aggregates over data streams
Window queries are proving essential to data-stream processing. In this paper, we present an approach for evaluating sliding-window aggregate queries that reduces both space and c...
Jin Li, David Maier, Kristin Tufte, Vassilis Papad...
96
Voted
SIGMOD
1997
ACM
91views Database» more  SIGMOD 1997»
15 years 8 months ago
On Saying "Enough Already!" in SQL
In this paper, we study a simple SQL extension that enables query writers to explicitly limit the cardinality of a query result. We examine its impact on the query optimization an...
Michael J. Carey, Donald Kossmann