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DBKDA
2010
IEEE
169views Database» more  DBKDA 2010»
15 years 9 months ago
XLeaf: Twig Evaluation with Skipping Loop Joins and Virtual Nodes
Abstract—XML indexing and search has become an important topic, and twig joins are key building blocks in XML search systems. This paper describes a novel approach using a nested...
Nils Grimsmo, Truls Amundsen Bjørklund, &Os...
AIED
2007
Springer
15 years 5 months ago
Measuring the Effect of Collaboration in an Assessment Environment
This paper describes a computerized collaborative testing environment in which students can take an assessment session in groups. For each question, an individual response is first...
Beatriz Barros, Ricardo Conejo, Eduardo Guzm&aacut...
AAAI
2006
15 years 5 months ago
Negation, Contrast and Contradiction in Text Processing
This paper describes a framework for recognizing contradictions between multiple text sources by relying on three forms of linguistic information: (a) negation; (b) antonymy; and ...
Sanda M. Harabagiu, Andrew Hickl, V. Finley Lacatu...
112
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ICLP
2007
Springer
15 years 7 months ago
Combining OWL with F-Logic Rules and Defaults
We describe the combination of OWL and F-Logic for the architecture of Semantic Web application nodes. The approach has been implemented by combining an existing Jena-based archite...
Heiko Kattenstroth, Wolfgang May, Franz Schenk
ECIR
2010
Springer
15 years 5 months ago
Enabling Interactive Query Expansion through Eliciting the Potential Effect of Expansion Terms
Despite its potential to improve search effectiveness, previous research has shown that the uptake of interactive query expansion (IQE) is limited. In this paper, we investigate on...
Nuzhah Gooda Sahib, Anastasios Tombros, Ian Ruthve...