251 search results - page 38 / 51 » Processing Multiple Aggregation Queries in Geo-Sensor Networ... |
VTC
2007
IEEE
14 years 2 months ago
2007
IEEE
Opportunistic user access scheduling enhances the capacity of wireless networks by exploiting the multi user diversity. When frame aggregation is used, opportunistic schemes are no...
ISCC
2006
IEEE
14 years 2 months ago
2006
IEEE
Online monitoring of a physical phenomenon over a geographical area is a popular application of sensor networks. Networks representative of this class of applications are typicall...
ICDE
2008
IEEE
15 years 8 months ago
2008
IEEE
This paper introduces an efficient algorithm for Producing Early Results in Multi-join query plans (PermJoin, for short). While most previous research focuses only on the
case of ...
JSAC
2011
12 years 11 months ago
2011
—Cognitive radio is a promising paradigm to achieve efficient utilization of spectrum resource by allowing the unlicensed users (i.e., secondary users, SUs) to access the licens...
CIKM
2010
Springer
13 years 3 months ago
2010
Springer
The gap between the user's information need and query is expanding due to the pervasiveness of Web search. Multimedia question answering is restricted by disjoint infrastruct...