2674 search results - page 203 / 535 » Data Models and Query Languages for Spatial Databases |
181
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SCANGIS
2003
15 years 7 months ago
2003
Topographic data sets produced by the National Mapping Agencies (NMAs) are an essential part of Spatial Data Infrastructures (SDIs). Both global and European developments will deno...
273
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Supporting ranking queries in database systems has been a popular research topic recently. However, there is a lack of study on supporting ranking queries in data warehouses where...
216
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ICDE
2011
IEEE
14 years 9 months ago
2011
IEEE
—In this demonstration paper, we present a powerful distributed framework for finding similar trajectories in a smartphone network, without disclosing the traces of participatin...
214
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DOLAP
2005
ACM
15 years 8 months ago
2005
ACM
Different modeling approaches have been proposed to overcome every design pitfall of the development of the different parts of a data warehouse (DW) system. However, they are all ...
305
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
Keyword queries enjoy widespread usage as they represent an intuitive way of specifying information needs. Recently, answering keyword queries on graph-structured data has emerged ...