1117 search results - page 220 / 224 » Querying structured data in an unstructured P2P system |
PODS
2004
ACM
14 years 7 months ago
2004
ACM
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
CCS
2007
ACM
14 years 1 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
INFOCOM
2007
IEEE
14 years 1 months ago
2007
IEEE
Abstract—Deep packet inspection (DPI) is often used in network intrusion detection and prevention systems (NIDPS), where incoming packet payloads are compared against known attac...
BIRTHDAY
2010
Springer
13 years 4 months ago
2010
Springer
Yuri Gurevich made many varied and deep contributions to logic for computer science. Logic provides also the theoretical foundation of database systems. Hence, it is almost unavoid...
RECSYS
2010
ACM
13 years 7 months ago
2010
ACM
Recommendation systems suggest items based on user preferences. Collaborative filtering is a popular approach in which recommending is based on the rating history of the system. O...