2514 search results - page 268 / 503 » On the Computation of Approximations of Database Queries |
187
click to vote
ICDT
2005
ACM
16 years 7 days 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...
192
click to vote
ITICSE
2004
ACM
16 years 4 days ago
2004
ACM
SQL (Structured Query Language) is one of the essential topics in foundation databases courses in higher education. Due to its apparent simple syntax, learning to use the full pow...
231
click to vote
VLDB
2001
ACM
15 years 11 months ago
2001
ACM
Most modern DBMS optimizers rely upon a cost model to choose the best query execution plan (QEP) for any given query. Cost estimates are heavily dependent upon the optimizer’s e...
166
click to vote
WMCSA
2003
IEEE
15 years 12 months ago
2003
IEEE
Applications and services in ubiquitous computing systems often interact in a context-dependent, reactive manner. How information flows, and what services communicate when, is det...
162
Voted
SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
While work in recent years has demonstrated that wavelets can be efficiently used to compress large quantities of data and provide fast and fairly accurate answers to queries, lit...