357 search results - page 21 / 72 » An Algebraic Approach to the Complexity of Generalized Conju... |
SIGMOD
2008
ACM
13 years 7 months ago
2008
ACM
We consider the problem of evaluating multiple overlapping queries defined on data streams, where each query is a conjunction of multiple filters and each filter may be shared acr...
CSJM
2008
13 years 8 months ago
2008
The notion of real radicals is a fundamental tool in Real Algebraic Geometry. It takes the role of the radical ideal in Complex Algebraic Geometry. In this article I shall describ...
SIGMOD
2008
ACM
14 years 8 months ago
2008
ACM
Today's query processing engines do not take advantage of the multiple occurrences of a relation in a query to improve performance. Instead, each instance is treated as a dis...
ER
2010
Springer
13 years 6 months ago
2010
Springer
Traditional information search in which queries are posed against a known and rigid schema over a structured database is shifting towards a Web scenario in which exposed schemas ar...
TON
2002
13 years 7 months ago
2002
Prompted by the advent of quality-of-service routing in the Internet, we investigate the properties that path weight functions must have so that hop-by-hop routing is possible and ...