1142 search results - page 183 / 229 » A Case for Staged Database Systems |
ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
Due to its considerable ease of use, relational keyword search (R-KWS) has become increasingly popular. Its simplicity, however, comes at the cost of intensive query processing. Sp...
VLDB
2001
ACM
14 years 9 months ago
2001
ACM
Abstract In this paper we present a mechanism for approximately translating Boolean query constraints across heterogeneous information sources. Achieving the best translation is ch...
SIGMOD
2003
ACM
14 years 9 months ago
2003
ACM
We consider the problem of approximating sliding window joins over data streams in a data stream processing system with limited resources. In our model, we deal with resource cons...
PODS
2004
ACM
14 years 9 months ago
2004
ACM
We present a novel coding-based technique for answering spatial and spatiotemporal queries on objects moving along a system of curves on the plane such as many road networks. We h...
EDBT
2002
ACM
14 years 8 months ago
2002
ACM
The problem of finding contained rewritings of queries using views is of great importance in mediated data integration systems. In this paper, we first present a general approach f...