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» Using an Oracle Repository to Accelerate XPath Queries
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HPDC
2010
IEEE
13 years 6 months ago
Distributing the power of OLAP
In this paper we present the Brown Dwarf, a distributed system designed to efficiently store, query and update multidimensional data over an unstructured Peer-to-Peer overlay, wit...
Katerina Doka, Dimitrios Tsoumakos, Nectarios Kozi...
CIKM
2001
Springer
13 years 9 months ago
Index Filtering and View Materialization in ROLAP Environment
Using materialized view to accelerate OLAP queries is one of the most common methods used in ROLAP systems. However, high storage and computation cost make this method very diffic...
Shi Guang Qiu, Tok Wang Ling
JIDM
2010
155views more  JIDM 2010»
13 years 3 months ago
DeweyIDs - The Key to Fine-Grained Management of XML Documents
Because XML documents tend to be very large and are more and more collaboratively processed, their fine-grained storage and management is a must for which, in turn, a flexible tree...
Michael Peter Haustein, Theo Härder, Christia...
IDEAS
2007
IEEE
135views Database» more  IDEAS 2007»
13 years 11 months ago
Bitmap Index Design Choices and Their Performance Implications
Historically, bitmap indexing has provided an important database capability to accelerate queries. However, only a few database systems have implemented these indexes because of t...
Elizabeth J. O'Neil, Patrick E. O'Neil, Kesheng Wu