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DATESO
2009
119views Database» more  DATESO 2009»
15 years 2 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
VLDB
2002
ACM
126views Database» more  VLDB 2002»
15 years 4 months ago
Plan Selection Based on Query Clustering
Query optimization is a computationally intensive process, especially for complex queries. We present here a tool, called PLASTIC, that can be used by query optimizers to amortize...
Antara Ghosh, Jignashu Parikh, Vibhuti S. Sengar, ...
GIS
2009
ACM
15 years 9 months ago
GeoDec: a multi-layered query processing framework for spatio-temporal data
Harnessing the potential of today’s ever growing and dynamic geospatial data requires the development of novel visual analysis interfaces, tools and technologies. In this paper,...
Luciano Nocera, Arjun Rihan, Songhua Xing, Ali Kho...
ICMCS
2009
IEEE
103views Multimedia» more  ICMCS 2009»
15 years 2 months ago
Web image retrieval via learning semantics of query image
The performance of traditional image retrieval approaches remains unsatisfactory, as they are restricted by the wellknown semantic gap and the diversity of textual semantics. To t...
Chuanghua Gui, Jing Liu, Changsheng Xu, Hanqing Lu
APWEB
2003
Springer
15 years 9 months ago
Extracting Content Structure for Web Pages Based on Visual Representation
Abstract. A new web content structure based on visual representation is proposed in this paper. Many web applications such as information retrieval, information extraction and auto...
Deng Cai, Shipeng Yu, Ji-Rong Wen, Wei-Ying Ma