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VLDB
1994
ACM
153views Database» more  VLDB 1994»
15 years 8 months ago
Optimization Algorithms for Exploiting the Parallelism-Communication Tradeoff in Pipelined Parallelism
We address the problem of finding parallel plans for SQL queries using the two-phase approach of join ordering followed by parallelization. We focus on the parallelization phase a...
Waqar Hasan, Rajeev Motwani
ICDE
2005
IEEE
146views Database» more  ICDE 2005»
15 years 10 months ago
Best Effort Query Processing in DHT-based P2P Systems
Structured P2P systems in the form of distributed hash tables (DHT) are a promising approach for building massively distributed data management platforms. However, for many applic...
Philipp Rösch, Kai-Uwe Sattler, Christian von...
VLDB
1995
ACM
155views Database» more  VLDB 1995»
15 years 7 months ago
Aggregate-Query Processing in Data Warehousing Environments
In this paper we introduce generalized projections (GPs), an extension of duplicateeliminating projections, that capture aggregations, groupbys, duplicate-eliminating projections ...
Ashish Gupta, Venky Harinarayan, Dallan Quass
EDBTW
2004
Springer
15 years 9 months ago
Query Recommendation Using Query Logs in Search Engines
In this paper we propose a method that, given a query submitted to a search engine, suggests a list of related queries. The related queries are based in previously issued queries, ...
Ricardo A. Baeza-Yates, Carlos A. Hurtado, Marcelo...
ICDE
2008
IEEE
137views Database» more  ICDE 2008»
16 years 5 months ago
Efficient Processing of XML Update Streams
This paper introduces a framework for processing continuous, exact queries over continuous update XML streams. Instead of eagerly performing the updates on cached portions of the s...
Leonidas Fegaras