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GCC
2005
Springer
16 years 5 days ago
Query Optimization in Database Grid
DarGridâ…ˇ is an implemented database gird system whose goal is to provide a semantic solution for integrating database resources on the web. Although many algorithms have been pro...
Xiaoqing Zheng, Huajun Chen, Zhaohui Wu, Yuxin Mao
CCR
2011
15 years 1 months ago
IP geolocation databases: unreliable?
The most widely used technique for IP geolocation consists in building a database to keep the mapping between IP blocks and a geographic location. Several databases are available ...
Ingmar Poese, Steve Uhlig, Mohamed Ali Kâafa...
ICDAR
1995
IEEE
15 years 10 months ago
A map acquisition, storage, indexing, and retrieval system
A system for the acquisition, storage, indexing, and retrieval of map images is presented. The input to this system are raster images of separate map layers and map composites. A ...
Hanan Samet, Aya Soffer
DMDW
2001
106views Management» more  DMDW 2001»
15 years 8 months ago
SISYPHUS: A Chunk-Based Storage Manager for OLAP Cubes
In this paper, we present SISYPHUS, a storage manager for data cubes that provides an efficient physical base for performing OLAP operations. On-Line Analytical Processing (OLAP) ...
Nikos Karayannidis, Timos K. Sellis
ICDE
1997
IEEE
114views Database» more  ICDE 1997»
16 years 8 months ago
Modeling Multidimensional Databases
We propose a data model and a few algebraic operations that provide semantic foundation to multidimensional databases. The distinguishing feature of the proposed model is the symm...
Rakesh Agrawal, Ashish Gupta, Sunita Sarawagi