Sciweavers

31 search results - page 5 / 7
» Processing Spatial-Keyword (SK) Queries in Geographic Inform...
Sort
View
WWW
2008
ACM
14 years 8 months ago
Analysis of geographic queries in a search engine log
Geography is becoming increasingly important in web search. Search engines can often return better results to users by analyzing features such as user location or geographic terms...
Qingqing Gan, Josh Attenberg, Alexander Markowetz,...
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
EURONGI
2008
Springer
13 years 9 months ago
Performance Evaluation of Overlay-Based Range Queries in Mobile Systems
Current mobility management systems are operator centralized, and focused on single link technologies. In heterogeneous wireless mesh networks, vertical handovers could be a length...
Amine M. Houyou, Alexander Stenzer, Hermann de Mee...
ICTAI
1993
IEEE
13 years 11 months ago
MERIT Motifs
MERIT (Multimedia Extensions of Retrieval Interaction Tools)1 provides a user-centered interface to a database covering European research programs, projects, and consortia in the ...
Ulrich Thiel, Martin Kracker, Adelheit Stein
GEOINFORMATICA
1998
144views more  GEOINFORMATICA 1998»
13 years 7 months ago
Approximation-Based Similarity Search for 3-D Surface Segments
The issue of ®nding similar 3-D surface segments arises in many recent applications of spatial database systems, such as molecular biology, medical imaging, CAD, and geographic i...
Hans-Peter Kriegel, Thomas Seidl