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» Graphical Querying of Multidimensional Databases
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EDBT
2006
ACM
127views Database» more  EDBT 2006»
14 years 8 months ago
Progressive Query Optimization for Federated Queries
Federated queries are regular relational queries accessing data on one or more remote relational or non-relational data sources, possibly combining them with tables stored in the ...
Stephan Ewen, Holger Kache, Volker Markl, Vijaysha...
DOLAP
2006
ACM
14 years 2 months ago
Pre-aggregation with probability distributions
Motivated by the increasing need to analyze complex, uncertain multidimensional data this paper proposes probabilistic OLAP queries that are computed using probability distributio...
Igor Timko, Curtis E. Dyreson, Torben Bach Pederse...
BTW
2009
Springer
133views Database» more  BTW 2009»
14 years 6 hour ago
High-Dimensional Indexing for Multimedia Features
Abstract: Efficient content-based similarity search in large multimedia databases requires efficient query processing algorithms for many practical applications. Especially in hi...
Ira Assent, Stephan Günnemann, Hardy Kremer, ...
SSDBM
2007
IEEE
111views Database» more  SSDBM 2007»
14 years 3 months ago
Duplicate Elimination in Space-partitioning Tree Indexes
Space-partitioning trees, like the disk-based trie, quadtree, kd-tree and their variants, are a family of access methods that index multi-dimensional objects. In the case of index...
Mohamed Y. Eltabakh, Mourad Ouzzani, Walid G. Aref
ICDE
2007
IEEE
218views Database» more  ICDE 2007»
14 years 10 months ago
SKYPEER: Efficient Subspace Skyline Computation over Distributed Data
Skyline query processing has received considerable attention in the recent past. Mainly, the skyline query is used to find a set of non dominated data points in a multidimensional...
Akrivi Vlachou, Christos Doulkeridis, Yannis Kotid...