948 search results - page 145 / 190 » The Query Answering System PRODICOS |
MOBIDE
2010
ACM
13 years 8 months ago
2010
ACM
Traditional location-based services recommend nearest objects to the user by considering their spatial proximity. However, an object not only has its distance but also has its dir...
TMC
2011
13 years 2 months ago
2011
—Monitoring personal locations with a potentially untrusted server poses privacy threats to the monitored individuals. To this end, we propose a privacy-preserving location monit...
SOSP
2007
ACM
14 years 4 months ago
2007
ACM
This paper describes the design, implementation, and evaluation of a replication scheme to handle Byzantine faults in transaction processing database systems. The scheme compares ...
MSR
2005
ACM
14 years 1 months ago
2005
ACM
Most computer science educators hold strong opinions about the “right” approach to teaching introductory level programming. Unfortunately, we have comparatively little hard ev...
VLDB
2005
ACM
14 years 1 months ago
2005
ACM
To answer user queries, a data integration system employs a set of semantic mappings between the mediated schema and the schemas of data sources. In dynamic environments sources o...