366 search results - page 16 / 74 » Efficient Query Reformulation in Peer-Data Management System... |
EDBT
2008
ACM
13 years 9 months ago
2008
ACM
Database software can be tailored for specific application domains and their required functionality, for specific hardware and its characteristics, or for other purposes. This bri...
CIKM
2006
Springer
13 years 9 months ago
2006
Springer
Due to the resource limitation in the data stream environment, it has been reported that answering user queries according to the wavelet synopsis of a stream is an essential abili...
EDBT
2006
ACM
13 years 11 months ago
2006
ACM
As data management applications grow more complex, they may need efficient distributed query processing, but also subscription management, data archival etc. To enact such applicat...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Top-k processing in uncertain databases is semantically and computationally different from traditional top-k processing. The interplay between query scores and data uncertainty ma...
DOLAP
2009
ACM
14 years 2 months ago
2009
ACM
In this paper, we investigate the problem of answering top-k queries via materialized views. We provide theoretical guarantees for the adequacy of a view to answer a top-k query, ...