192 search results - page 33 / 39 » Analyzing Range Queries on Spatial Data |
AUTOID
2005
IEEE
14 years 1 months ago
2005
IEEE
We present a wireless identification system that employs an optical communications link between an array of uniquely identifiable smart tags and an interrogator flashlight. As the...
VLDB
2008
ACM
14 years 8 months ago
2008
ACM
Histograms are used to summarize the contents of relations into a number of buckets for the estimation of query result sizes. Several techniques (e.g., MaxDiff and V-Optimal) have ...
ECIR
2007
Springer
13 years 9 months ago
2007
Springer
Measuring the similarity between documents and queries has been extensively studied in information retrieval. However, there are a growing number of tasks that require computing th...
W2GIS
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. A review is provided of some database and representation issues involved in the implementation of geographic information systems (GIS). The increasing popularity of web-b...
WETICE
2002
IEEE
14 years 18 days ago
2002
IEEE
The MObile Teamwork Infrastructure for Organizations Networking (MOTION) 1 service platform that we have designed and implemented addresses an emerging requirement in the daily bu...