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EDBT
2009
ACM
156views Database» more  EDBT 2009»
13 years 9 months ago
Secondary bitmap indexes with vertical and horizontal partitioning
Traditional bitmap indexes are utilized as a special type of primary or clustered indexes where the queries are answered by performing fast logical operations supported by hardwar...
Guadalupe Canahuate, Tan Apaydin, Ahmet Sacan, Hak...
TKDE
2010
251views more  TKDE 2010»
12 years 11 months ago
Exploring Correlated Subspaces for Efficient Query Processing in Sparse Databases
The sparse data is becoming increasingly common and available in many real-life applications. However, relative little attention has been paid to effectively model the sparse data ...
Bin Cui, Jiakui Zhao, Dongqing Yang
SIGMOD
2002
ACM
172views Database» more  SIGMOD 2002»
14 years 4 months ago
Automating physical database design in a parallel database
Physical database design is important for query performance in a shared-nothing parallel database system, in which data is horizontally partitioned among multiple independent node...
Jun Rao, Chun Zhang, Nimrod Megiddo, Guy M. Lohman
SIGMOD
2004
ACM
150views Database» more  SIGMOD 2004»
14 years 4 months ago
Integrating Vertical and Horizontal Partitioning Into Automated Physical Database Design
In addition to indexes and materialized views, horizontal and vertical partitioning are important aspects of physical design in a relational database system that significantly imp...
Sanjay Agrawal, Vivek R. Narasayya, Beverly Yang
ICDE
2011
IEEE
217views Database» more  ICDE 2011»
12 years 8 months ago
Partitioning techniques for fine-grained indexing
— Many data-intensive websites use databases that grow much faster than the rate that users access the data. Such growing datasets lead to ever-increasing space and performance o...
Eugene Wu 0002, Samuel Madden