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» Acquiring ontological knowledge from query logs
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WWW
2004
ACM
15 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...
EDBT
2010
ACM
144views Database» more  EDBT 2010»
15 years 28 days ago
Timely YAGO: harvesting, querying, and visualizing temporal knowledge from Wikipedia
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...
Yafang Wang, Mingjie Zhu, Lizhen Qu, Marc Spaniol,...
KES
2010
Springer
14 years 8 months ago
From Information to Sense-Making: Fetching and Querying Semantic Repositories
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 ...
Tope Omitola, Ian Millard, Hugh Glaser, Nicholas G...
85
Voted
COOPIS
2004
IEEE
15 years 1 months ago
Learning Classifiers from Semantically Heterogeneous Data
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...
Doina Caragea, Jyotishman Pathak, Vasant Honavar
75
Voted
PADL
2010
Springer
15 years 6 months ago
Implementing Query Answering for Hybrid MKNF Knowledge Bases
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...
Ana Sofia Gomes, José Júlio Alferes,...