Sciweavers

6905 search results - page 59 / 1381
» Querying Multidimensional Databases
Sort
View
ALGORITHMICA
2002
103views more  ALGORITHMICA 2002»
13 years 9 months ago
Efficient Bulk Operations on Dynamic R-Trees
In recent years there has been an upsurge of interest in spatial databases. A major issue is how to manipulate efficiently massive amounts of spatial data stored on disk in multidi...
Lars Arge, Klaus Hinrichs, Jan Vahrenhold, Jeffrey...
DEXA
2000
Springer
132views Database» more  DEXA 2000»
14 years 2 months ago
Improving the Performance of High-Energy Physics Analysis through Bitmap Indices
Abstract. Bitmap indices are popular multi-dimensional data structures for accessing read-mostly data such as data warehouse (DW) applications, decision support systems (DSS) and o...
Kurt Stockinger, Dirk Düllmann, Wolfgang Hosc...
ISCI
2007
115views more  ISCI 2007»
13 years 9 months ago
Compressed histograms with arbitrary bucket layouts for selectivity estimation
Selectivity estimation is an important step of query optimization in a database management system, and multidimensional histogram techniques have proved promising for selectivity ...
Dennis Fuchs, Zhen He, Byung Suk Lee
VLDB
2000
ACM
229views Database» more  VLDB 2000»
14 years 1 months ago
Local Dimensionality Reduction: A New Approach to Indexing High Dimensional Spaces
Many emerging application domains require database systems to support efficient access over highly multidimensional datasets. The current state-of-the-art technique to indexing hi...
Kaushik Chakrabarti, Sharad Mehrotra
VLDB
2002
ACM
82views Database» more  VLDB 2002»
13 years 9 months ago
A One-Pass Aggregation Algorithm with the Optimal Buffer Size in Multidimensional OLAP
Young-Koo Lee, Kyu-Young Whang, Yang-Sae Moon, Il-...