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MOBISYS
2004
ACM
14 years 8 months ago
2004
ACM
In this paper, we investigate the impact of radio irregularity on the communication performance in wireless sensor networks. Radio irregularity is a common phenomenon which arises...
ICUIMC
2011
ACM
13 years 9 days ago
2011
ACM
Query localization is an improved extension of on-demand routing protocols for ad hoc networks. It makes use of prior routing histories to localize the query flood to a limited re...
SDM
2004
SIAM
13 years 10 months ago
2004
SIAM
Databases are a key technology for molecular biology which is a very data intensive discipline. Since molecular biological databases are rather heterogeneous, unification and data...
ICDM
2006
IEEE
14 years 2 months ago
2006
IEEE
There has been a lot of recent interest in mining patterns from graphs. Often, the exact structure of the patterns of interest is not known. This happens, for example, when molecu...
ICDE
2005
IEEE
14 years 10 months ago
2005
IEEE
The query optimizer of a database system is confronted with two aspects when handling user-defined functions (UDFs) in query predicates: the vast differences in evaluation costs b...