6455 search results - page 1177 / 1291 » Research problems |
SIGMOD
2001
ACM
14 years 10 months ago
2001
ACM
We study the problem of generating e cient, equivalent rewritings using views to compute the answer to a query. We take the closed-world assumption, in which views are materialize...
PODS
2001
ACM
14 years 10 months ago
2001
ACM
The dimensionality curse has profound e ects on the effectiveness of high-dimensional similarity indexing from the performance perspective. One of the well known techniques for im...
PODS
2004
ACM
14 years 10 months ago
2004
ACM
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
ICFP
2007
ACM
14 years 10 months ago
2007
ACM
The analysis and verification of higher-order programs raises the issue of control-flow analysis for higher-order languages. The problem of constructing an accurate call graph for...
ICFP
2006
ACM
14 years 10 months ago
2006
ACM
d abstract) Keiko Nakata1 Jacques Garrigue2 1 Kyoto University Research Institute for Mathematical Sciences 2 Graduate School of Mathematics, Nagoya University The ML module syste...