152 search results - page 31 / 31 » In time alone: on the computational power of querying the hi... |
CSL
2009
Springer
13 years 10 months ago
2009
Springer
We introduce tree-width for first order formulae , fotw(). We show that computing fotw is fixed-parameter tractable with parameter fotw. Moreover, we show that on classes of formul...
ICDE
2011
IEEE
12 years 10 months ago
2011
IEEE
— In a wireless sensor network (WSN), each sensor monitors environmental parameters, and reports its readings to a base station, possibly through other nodes. A sensor works in c...