Sciweavers

1520 search results - page 13 / 304
» Class Hierarchy Specialization
Sort
View
SIGIR
2009
ACM
14 years 2 months ago
Web-derived resources for web information retrieval: from conceptual hierarchies to attribute hierarchies
A weakly-supervised extraction method identifies concepts within conceptual hierarchies, at the appropriate level of specificity (e.g., Bank vs. Institution), to which attribute...
Marius Pasca, Enrique Alfonseca
JSYML
2011
45views more  JSYML 2011»
13 years 2 months ago
On the jump classes of noncuppable enumeration degrees
We prove that for every Σ0 2 enumeration degree b there exists a noncuppable Σ0 2 degree a > 0e such that b ≤e a and a ≤e b . This allows us to deduce, from results on the...
Charles M. Harris
CORR
2008
Springer
88views Education» more  CORR 2008»
13 years 7 months ago
Efficient Algorithms for Membership in Boolean Hierarchies of Regular Languages
Abstract. The purpose of this paper is to provide efficient algorithms that decide membership for classes of several Boolean hierarchies for which efficiency (or even decidability)...
Christian Glasser, Heinz Schmitz, Victor L. Seliva...
PEPM
1994
ACM
13 years 11 months ago
Identifying Profitable Specialization in Object-Oriented Languages
The performance of object-oriented languages can be greatly improved if methods can be specialized for particular classes of arguments. Such specialization can provide the compile...
Jeffrey Dean, Craig Chambers, David Grove
ULPAA
1994
152views Hardware» more  ULPAA 1994»
13 years 9 months ago
Programming with ASN.1 Using Polymorphic Types and Type Specialization
object-oriented abstractions is described that permits direct programming with ASN.1 speci ed types. The design and implementation also supports the exible use of di erent encoding...
R. Greg Lavender, Dennis G. Kafura, R. W. Mullins