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» The Query Answering System PRODICOS
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OWLED
2008
13 years 11 months ago
Conjunctive Query Answering in EL using a Database System
We study conjunctive query answering in the description logic EL, the core of the designated OWL2-EL profile of OWL2. In particular, we present an approach that allows the use of c...
Carsten Lutz, David Toman, Frank Wolter
ICDE
2006
IEEE
285views Database» more  ICDE 2006»
14 years 11 months ago
An Approach to Adaptive Memory Management in Data Stream Systems
Adaptivity is a challenging open issue in data stream management. In this paper, we tackle the problem of memory adaptivity inside a system executing temporal sliding window queri...
Bernhard Seeger, Jürgen Krämer, Michael ...
CLEF
2005
Springer
14 years 3 months ago
Use of Free On-Line Machine Translation for Interactive Cross-Language Question Answering
Free on-line machine translation systems are employed more and more by Internet users. In this paper we have explored the use of these systems for Cross-Language Question Answering...
Ángel F. Zazo Rodríguez, Carlos G. F...
WWW
2004
ACM
14 years 10 months ago
Is question answering an acquired skill?
We present a question answering (QA) system which learns how to detect and rank answer passages by analyzing questions and their answers (QA pairs) provided as training data. We b...
Ganesh Ramakrishnan, Soumen Chakrabarti, Deepa Par...
CIKM
2009
Springer
14 years 4 months ago
Workload-aware trie indices for XML
Well-designed indices can dramatically improve query performance. Including query workload information can produce indices that yield better overall throughput while balancing the...
Yuqing Wu, Sofia Brenes, Hyungdae Yi