254 search results - page 5 / 51 » Acquiring ontological knowledge from query logs |
WWW
2004
ACM
14 years 8 months ago
2004
ACM
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...
EDBT
2010
ACM
13 years 11 months ago
2010
ACM
Recent progress in information extraction has shown how to automatically build large ontologies from high-quality sources like Wikipedia. But knowledge evolves over time; facts ha...
KES
2010
Springer
13 years 6 months ago
2010
Springer
Information, its gathering, sharing, and storage, is growing at a very rapid rate. Information turned into knowledge leads to sensemaking. Ontologies, and their representations in ...
COOPIS
2004
IEEE
13 years 11 months ago
2004
IEEE
Semantically heterogeneous and distributed data sources are quite common in several application domains such as bioinformatics and security informatics. In such a setting, each dat...
PADL
2010
Springer
14 years 4 months ago
2010
Springer
Abstract. Ontologies and rules are usually loosely coupled in knowledge representation formalisms. In fact, ontologies use open-world reasoning while the leading semantics for rule...