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» On Querying Ontologies and Databases
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SIGMOD
2003
ACM
175views Database» more  SIGMOD 2003»
16 years 7 months ago
WinMagic : Subquery Elimination Using Window Aggregation
Database queries often take the form of correlated SQL queries. Correlation refers to the use of values from the outer query block to compute the inner subquery. This is a conveni...
Calisto Zuzarte, Hamid Pirahesh, Wenbin Ma, Qi Che...
ICDE
2008
IEEE
190views Database» more  ICDE 2008»
16 years 8 months ago
Adaptive Segmentation for Scientific Databases
In this paper we explore database segmentation in the context of a column-store DBMS targeted at a scientific database. We present a novel hardware- and scheme-oblivious segmentati...
Milena Ivanova, Martin L. Kersten, Niels Nes
VLDB
1997
ACM
120views Database» more  VLDB 1997»
15 years 11 months ago
A Region Splitting Strategy for Physical Database Design of Multidimensional File Organizations
This paper presents a region splitting strategy for physical database design of multidimensional le organizations. Physical database design is the process of determining the optim...
Jong-Hak Lee, Young-Koo Lee, Kyu-Young Whang, Il-Y...
SIGMOD
1998
ACM
142views Database» more  SIGMOD 1998»
15 years 11 months ago
Dimensionality Reduction for Similarity Searching in Dynamic Databases
Databases are increasingly being used to store multi-media objects such as maps, images, audio and video. Storage and retrieval of these objects is accomplished using multi-dimens...
Kothuri Venkata Ravi Kanth, Divyakant Agrawal, Amb...
ICDE
2003
IEEE
170views Database» more  ICDE 2003»
16 years 8 months ago
Keyword Proximity Search on XML Graphs
XKeyword provides efficient keyword proximity queries on large XML graph databases. A query is simply a list of keywords and does not require any schema or query language knowledg...
Vagelis Hristidis, Yannis Papakonstantinou, Andrey...