5699 search results - page 325 / 1140 » Alternating model trees |
168
click to vote
ICALP
2005
Springer
16 years 1 months ago
2005
Springer
We define an algorithmic paradigm, the stack model, that captures many primal-dual and local-ratio algorithms for approximating covering and packing problems. The stack model is ...
191
Voted
EMNLP
2007
15 years 9 months ago
2007
In this paper, we describe a new algorithm for recovering WH-trace empty nodes. Our approach combines a set of hand-written patterns together with a probabilistic model. Because t...
211
Voted
DBSEC
2001
15 years 9 months ago
2001
In this paper, our objective is to define a security model for regulating access to XML documents. Our model offers a security policy with a great expressive power. An XML documen...
204
Voted
ACL
1993
15 years 8 months ago
1993
Various feature descriptions are being employed in constrained-based grammar formalisms. The common notational primitive of these descriptions are functional attributes called fea...
194
Voted
ENDM
2010
15 years 7 months ago
2010
We consider a generalization of the Prize Collecting Steiner Tree Problem on a graph with special redundancy requirements on a subset of the customer nodes suitable to model a rea...