1445 search results - page 127 / 289 » XPath query containment |
178
click to vote
GIS
2009
ACM
15 years 11 months ago
2009
ACM
The k-anonymity technique is widely used to provide location privacy protection for accessing location-based services (LBS), i.e., the exact location of a query initiator is cloak...
ICDE
2010
IEEE
15 years 9 months ago
2010
IEEE
The rise of GPS and broadband-speed wireless devices has led to tremendous excitement about a range of applications broadly characterized as "location based services". Cu...
SIGIR
2009
ACM
15 years 4 months ago
2009
ACM
Type-ahead search is a new information-access paradigm, in which systems can find answers to keyword queries “onthe-fly” as a user types in a query. It improves traditional ...
SIGMOD
2005
ACM
15 years 3 months ago
2005
ACM
One of the most powerful features of SQL is the use of nested queries. Most research work on the optimization of nested queries focuses on aggregate subqueries. However, the solut...
ESA
2004
Springer
15 years 3 months ago
2004
Springer
Abstract. In this paper we study the external memory planar point enclosure problem: Given N axis-parallel rectangles in the plane, construct a data structure on disk (an index) su...