331 search results - page 38 / 67 » A framework for selective query expansion |
SIGMOD
2009
ACM
15 years 2 months ago
2009
ACM
It has recently been asserted that the usability of a database is as important as its capability. Understanding the database schema, the hidden relationships among attributes in t...
WEBDB
2004
Springer
15 years 3 months ago
2004
Springer
In our research on superimposed information management, we have developed applications where information elements in the superimposed layer serve to annotate, comment, restructure...
ICDT
2005
ACM
15 years 3 months ago
2005
ACM
Abstract. A classical problem in query optimization is to find the optimal ordering of a set of possibly correlated selections. We provide an ion of this problem as a generalizati...
BIRTE
2006
15 years 1 months ago
2006
Real-time enterprises rely on user queries being answered in a timely fashion and using fresh data. This is relatively easy when systems are lightly loaded and both queries and upd...
PVLDB
2010
14 years 8 months ago
2010
Uncertain data streams are increasingly common in real-world deployments and monitoring applications require the evaluation of complex queries on such streams. In this paper, we c...