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» Answering Queries using Humans, Algorithms and Databases
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197
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ICDE
1999
IEEE
101views Database» more  ICDE 1999»
16 years 4 months ago
Index Merging
Indexes play a vital role in decision support systems by reducing the cost of answering complex queries. A popular methodology for choosing indexes that is adopted by database adm...
Surajit Chaudhuri, Vivek R. Narasayya
137
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DEBU
2010
128views more  DEBU 2010»
15 years 26 days ago
Designing Database Operators for Flash-enabled Memory Hierarchies
Flash memory affects not only storage options but also query processing. In this paper, we analyze the use of flash memory for database query processing, including algorithms that...
Goetz Graefe, Stavros Harizopoulos, Harumi A. Kuno...
116
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SIGMOD
2003
ACM
141views Database» more  SIGMOD 2003»
16 years 3 months ago
QC-Trees: An Efficient Summary Structure for Semantic OLAP
Recently, a technique called quotient cube was proposed as a summary structure for a data cube that preserves its semantics, with applications for online exploration and visualiza...
Laks V. S. Lakshmanan, Jian Pei, Yan Zhao
DAWAK
1999
Springer
15 years 7 months ago
Dynamic Data Warehouse Design
A data warehouse DW can be seen as a set of materialized views de ned over remote base relations. When a query is posed, it is evaluated locally, using the materialized views, wi...
Dimitri Theodoratos, Timos K. Sellis
ICSE
2008
IEEE-ACM
16 years 4 months ago
Debugging reinvented: asking and answering why and why not questions about program behavior
When software developers want to understand the reason for a program's behavior, they must translate their questions about the behavior into a series of questions about code,...
Andrew Jensen Ko, Brad A. Myers