13987 search results - page 2541 / 2798 » The Two Guards Problem |
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
Freshness and accuracy are two key measures of quality of service (QoS) in location-based, mobile continual queries (CQs). However, it is often difficult to provide both fresh and ...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Networked information systems require strong security guarantees because of the new threats that they face. Various forms of encryption have been proposed to deal with this proble...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Typical web-database systems receive read-only queries, that generate dynamic web pages as a response, and writeonly updates, that keep information up-to-date. Users expect short ...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
This paper addresses the problem of efficient maintenance of a materialized skyline view in response to skyline removals. While there has been significant progress on skyline quer...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Tuple dropping, though commonly used for load shedding in most stream operations, is inadequate for m-way, windowed stream joins. The join output rate can be overly reduced becaus...