948 search results - page 17 / 190 » On Spatial Information Retrieval and Database Generalization |
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...
EUROCRYPT
2000
Springer
13 years 11 months ago
2000
Springer
We show that general one-way trapdoor permutations are sufficient to privately retrieve an entry from a database of size n with total communication complexity strictly less than n....
ISW
2010
Springer
13 years 5 months ago
2010
Springer
A Private Information Retrieval (PIR) protocol allows a database user, or client, to obtain information from a data- base in a manner that prevents the database from knowing which...
MFCS
2007
Springer
14 years 1 months ago
2007
Springer
A private information retrieval scheme is a protocol whereby a client obtains a record from a database without the database operators learning anything about which record the clien...
SIGIR
2003
ACM
14 years 1 months ago
2003
ACM
The fundamental difference between standard information retrieval and XML retrieval is the unit of retrieval. In traditional IR, the unit of retrieval is fixed: it is the comple...