6974 search results - page 411 / 1395 » Querying Semi-Structured Data |
159
Voted
ESA
2010
Springer
15 years 8 months ago
2010
Springer
The inability to answer proximity queries efficiently for spaces of dimension d > 2 has led to the study of approximation to proximity problems. Several techniques have been pro...
187
Voted
ISI
2006
Springer
15 years 6 months ago
2006
Springer
Access control mechanisms are commonly used to provide control over who may access sensitive information. However, malicious users can exploit the correlation among the data and in...
174
Voted
PVLDB
2008
15 years 6 months ago
2008
We describe XTreeNet, a distributed query dissemination engine which facilitates democratization of publishing and efficient data search among members of online communities with p...
187
Voted
JSS
2010
15 years 5 months ago
2010
This paper investigates a class of mobile wireless sensor networks that are unconnected most of the times; we refer to them as delay–tolerant wireless sensor networks (DTWSN). T...
204
Voted
COMPGEOM
2005
ACM
15 years 8 months ago
2005
ACM
We present a new multi-dimensional data structure, which we call the skip quadtree (for point data in R2) or the skip octree (for point data in Rd, with constant d > 2). Our da...