96 search results - page 16 / 20 » PTIME Queries Revisited |
SSD
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. Many new applications involving moving objects require the collection and querying of trajectory data, so efficient indexing methods are needed to support complex spatio...
TCC
2012
Springer
12 years 3 months ago
2012
Springer
In this paper we study the problem of approximately releasing the cut function of a graph while preserving differential privacy, and give new algorithms (and new analyses of exis...
PODS
2010
ACM
14 years 22 days ago
2010
ACM
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
EWSN
2009
Springer
14 years 8 months ago
2009
Springer
Multi-hop cluster hierarchy has been presented as an organization for large wireless sensor networks (WSNs) that can provide scalable routing, data aggregation, and querying. In th...
DFG
2007
Springer
14 years 1 months ago
2007
Springer
: The concept of natural neighbors employs the notion of distance to define local neighborhoods in discrete data. Especially when querying and accessing large scale data, it is im...