6974 search results - page 1254 / 1395 » Querying Semi-Structured Data |
ICPP
2007
IEEE
14 years 3 months ago
2007
IEEE
Gnutella overlays have evolved to use a two-tier topology. However, we observed that the new topology had only achieved modest improvements in search success rates. Also, the new ...
IDEAS
2007
IEEE
14 years 3 months ago
2007
IEEE
Historically, bitmap indexing has provided an important database capability to accelerate queries. However, only a few database systems have implemented these indexes because of t...
P2P
2007
IEEE
14 years 3 months ago
2007
IEEE
There have been many proposals for constructing routing tables for Distributed Hash Tables (DHT). They can be classified into two groups: A) those that assume that the peers are ...
CCS
2007
ACM
14 years 3 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 ...
CIVR
2007
Springer
14 years 3 months ago
2007
Springer
With Internet delivery of video content surging to an unprecedented level, video recommendation has become a very popular online service. The capability of recommending relevant v...