160 search results - page 8 / 32 » Homomorphism preservation theorems |
ACS
2010
13 years 7 months ago
2010
It it shown that geometric morphisms between elementary toposes can be represented as certain adjunctions between the corresponding categories of locales. These adjunctions are ch...
JCP
2007
13 years 7 months ago
2007
— The ability to mine large volumes of distributed datasets enables more precise decision making. However, privacy concerns should be carefully addressed when mining datasets dis...
ESORICS
2005
Springer
14 years 1 months ago
2005
Springer
The freedom and transparency of information flow on the Internet has heightened concerns of privacy. Given a set of data items, clustering algorithms group similar items together...
ICEB
2004
13 years 9 months ago
2004
This paper introduces a new approach to a problem of data sharing among multiple parties, without disclosing the data between the parties. Our focus is data sharing among parties i...
ACMICEC
2006
ACM
13 years 11 months ago
2006
ACM
We present a practical protocol based on homomorphic cryptography for conducting provably fair sealed-bid auctions. The system preserves the secrecy of the bids, even after the an...