297 search results - page 43 / 60 » Polynomial heuristics for query optimization |
GIS
2007
ACM
13 years 11 months ago
2007
ACM
A frequent query in geospatial planning and decision making domains (e.g., emergency response, data acquisition, street cleaning), is to find an optimal traversal plan (OTP) that ...
BMCBI
2008
13 years 7 months ago
2008
Background: Similarity inference, one of the main bioinformatics tasks, has to face an exponential growth of the biological data. A classical approach used to cope with this data ...
ML
2007
ACM
13 years 7 months ago
2007
ACM
We prove new lower bounds for learning intersections of halfspaces, one of the most important concept classes in computational learning theory. Our main result is that any statist...
PODS
2003
ACM
14 years 7 months ago
2003
ACM
Full disjunctions are an associative extension of the outerjoin operator to an arbitrary number of relations. Their main advantage is the ability to maximally combine data from di...
INFOCOM
2005
IEEE
14 years 1 months ago
2005
IEEE
— Wireless sensor networks offer the potential to span and monitor large geographical areas inexpensively. Sensor network databases like TinyDB [1] are the dominant architectures...