Sciweavers

698 search results - page 12 / 140
» Systems Support for Pervasive Query Processing
Sort
View
DATESO
2009
119views Database» more  DATESO 2009»
13 years 5 months ago
Efficiency Improvement of Narrow Range Query Processing in R-tree
Indexing methods for efficient processing of multidimensional data are very requested in many fields, like geographical information systems, drawing documentations etc. Well-known ...
Peter Chovanec, Michal Krátký
SIGMOD
2008
ACM
126views Database» more  SIGMOD 2008»
14 years 7 months ago
On efficient top-k query processing in highly distributed environments
Lately the advances in centralized database management systems show a trend towards supporting rank-aware query operators, like top-k, that enable users to retrieve only the most ...
Akrivi Vlachou, Christos Doulkeridis, Kjetil N&osl...
SSDBM
2007
IEEE
165views Database» more  SSDBM 2007»
14 years 1 months ago
Processing Spatial-Keyword (SK) Queries in Geographic Information Retrieval (GIR) Systems
Location-based information contained in publicly available GIS databases is invaluable for many applications such as disaster response, national infrastructure protection, crime a...
Ramaswamy Hariharan, Bijit Hore, Chen Li, Sharad M...
DILS
2005
Springer
14 years 1 months ago
Support for BioIndexing in BLASTgres
The ability to perform genome-wide and cross-genome data analyses can dramatically reduce the time required for new biological discoveries. This raises important issues in bioinfor...
Ruey-Lung Hsiao, Douglas Stott Parker Jr., Hung-ch...
DIGITALCITIES
2003
Springer
14 years 26 days ago
Map-Based Range Query Processing for Geographic Web Search Systems
In order to utilize geographic web information for digital city applications, we have been developing a geographic web search system, KyotoSEARCH. When users retrieve geographic in...
Ryong Lee, H. Shiina, Taro Tezuka, Yusuke Yokota, ...