2850 search results - page 366 / 570 » Answering Queries using Humans, Algorithms and Databases |
228
Voted
PET
2010
Springer
15 years 9 months ago
2010
Springer
Mobile smartphone users frequently need to search for nearby points of interest from a location based service, but in a way that preserves the privacy of the users' locations...
209
Voted
SIGMOD
2010
ACM
15 years 1 months ago
2010
ACM
We propose and study a new ranking problem in versioned databases. Consider a database of versioned objects which have different valid instances along a history (e.g., documents i...
172
Voted
CORR
2010
Springer
15 years 5 months ago
2010
Springer
----------------------------------------------ABSTRACT-------------------------------------------In the faceless world of the Internet, online fraud is one of the greatest reasons ...
190
Voted
CCS
2008
ACM
15 years 9 months ago
2008
ACM
This paper considers DoS attacks on DNS wherein attackers flood the nameservers of a zone to disrupt resolution of resource records belonging to the zone and consequently, any of ...
183
Voted
FOCS
2006
IEEE
16 years 1 months ago
2006
IEEE
We investigate the optimality of (1+ )-approximation algorithms obtained via the dimensionality reduction method. We show that: • Any data structure for the (1 + )-approximate n...