2514 search results - page 147 / 503 » On the Computation of Approximations of Database Queries |
154
click to vote
VLDB
1998
ACM
15 years 10 months ago
1998
ACM
Small Materialized Aggregates (SMAs for short) are considered a highly flexible and versatile alternative for materialized data cubes. The basic idea is to compute many aggregate ...
186
click to vote
EDBT
2010
ACM
16 years 1 months ago
2010
ACM
When selecting alternatives from large amounts of data, trade-offs play a vital role in everyday decision making. In databases this is primarily reflected by the top-k retrieval p...
178
click to vote
SIGGRAPH
1995
ACM
15 years 10 months ago
1995
ACM
We present a method for searching in an image database using a query image that is similar to the intended target. The query image may be a hand-drawn sketch or a (potentially low...
183
click to vote
ICIC
2007
Springer
16 years 20 days ago
2007
Springer
Abstract. We study the approximation of the integration of multivariate functions classes in the quantum model of computation. We first obtain a lower bound of the n-th minimal qu...
274
click to vote
ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
In location-based services, it is common for a user to issue a query based on his/her current position. One such example is "find the available cabs within two miles of my cu...