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EDBT
2009
ACM
113views Database» more  EDBT 2009»
14 years 2 months ago
Query ranking in probabilistic XML data
Twig queries have been extensively studied as a major fragment of XPATH queries to query XML data. In this paper, we study PXMLRANK query, (Q, k), which is to rank top-k probabili...
Lijun Chang, Jeffrey Xu Yu, Lu Qin
ICLP
2009
Springer
14 years 8 months ago
On the Implementation of Weight Constraint Rules in Conflict-Driven ASP Solvers
Abstract. We present the first comprehensive approach to integrating cardinality and weight rules into conflict-driven ASP solving. We begin with a uniform, constraint-based charac...
Martin Gebser, Roland Kaminski, Benjamin Kaufmann,...
ORDER
2010
110views more  ORDER 2010»
13 years 6 months ago
The Complexity of Embedding Orders into Small Products of Chains
Embedding a partially ordered set into a product of chains is a classical way to encode it. Such encodings have been used in various fields such as object oriented programming or ...
Olivier Raynaud, Eric Thierry
ICALP
1999
Springer
14 years 7 days ago
Online Data Structures in External Memory
The data sets for many of today's computer applications are too large to t within the computer's internal memory and must instead be stored on external storage devices su...
Jeffrey Scott Vitter
TOOLS
1998
IEEE
14 years 7 days ago
Modeling Dynamic Component Interfaces
In this paper we adopt a component model based on object-oriented systems, introducing the concepts of components and their structure. A component consists of a dynamically changi...
Franz Huber, Andreas Rausch, Bernhard Rumpe