265 search results - page 21 / 53 » On the Intersection of XPath Expressions |
WEBDB
2004
Springer
14 years 1 months ago
2004
Springer
On the Web, there is a pervasive use of XML to give lightweight semantics to textual collections. Such documentcentric XML collections require a query language that can gracefully...
CSL
2009
Springer
13 years 12 months ago
2009
Springer
The aim of this paper is to understand the interplay between intersection, universally quantified, and reference types. Putting together the standard typing rules for intersection,...
ML
2007
ACM
13 years 8 months ago
2007
ACM
We prove new lower bounds for learning intersections of halfspaces, one of the most important concept classes in computational learning theory. Our main result is that any statist...
EDBT
2011
ACM
12 years 12 months ago
2011
ACM
Most known frequent item set mining algorithms work by enumerating candidate item sets and pruning infrequent candidates. An alternative method, which works by intersecting transa...
DLT
2009
13 years 6 months ago
2009
Abstract. We improve on some recent results on lower bounds for conversion problems for regular expressions. In particular we consider the conversion of planar deterministic finite...