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» A Method for Secure Query Processing in Mobile Databases
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HT
1997
ACM
15 years 1 months ago
What the Query Told the Link: The Integration of Hypertext and Information Retrieval
Traditionally hypertexts have been limited in size by the manual effort required to create hypertext links. In addition, large hyper–linked collections may overwhelm users with ...
Gene Golovchinsky
DOLAP
2006
ACM
15 years 3 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...
SAC
2008
ACM
14 years 9 months ago
Selectivity estimation in spatial networks
Modern applications requiring spatial network processing pose many interesting query optimization challenges. In many cases, query processing depends on the corresponding graph si...
Eleftherios Tiakas, Apostolos N. Papadopoulos, Ale...
ICDE
2010
IEEE
178views Database» more  ICDE 2010»
14 years 7 months ago
The Hybrid-Layer Index: A synergic approach to answering top-k queries in arbitrary subspaces
In this paper, we propose the Hybrid-Layer Index (simply, the HL-index) that is designed to answer top-k queries efficiently when the queries are expressed on any arbitrary subset ...
Jun-Seok Heo, Junghoo Cho, Kyu-Young Whang
EDBT
2010
ACM
185views Database» more  EDBT 2010»
14 years 11 months ago
Probabilistic threshold k nearest neighbor queries over moving objects in symbolic indoor space
The availability of indoor positioning renders it possible to deploy location-based services in indoor spaces. Many such services will benefit from the efficient support for k n...
Bin Yang 0002, Hua Lu, Christian S. Jensen