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» An Algorithm for Knowledge Base Extraction
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EUROMICRO
2004
IEEE
15 years 1 months ago
Towards an Event-Driven Workplace for Knowledge Integration
A contemporary office or knowledge worker has to deal with an ever increasing number of information channels and associated flows of events (i.e., software applications using vary...
Alexander Schatten, Stefan Biffl
ICDM
2003
IEEE
115views Data Mining» more  ICDM 2003»
15 years 3 months ago
On Precision and Recall of Multi-Attribute Data Extraction from Semistructured Sources
Machine learning techniques for data extraction from semistructured sources exhibit different precision and recall characteristics. However to date the formal relationship between...
Guizhen Yang, Saikat Mukherjee, I. V. Ramakrishnan
WWW
2007
ACM
15 years 10 months ago
Hierarchical, perceptron-like learning for ontology-based information extraction
Recent work on ontology-based Information Extraction (IE) has tried to make use of knowledge from the target ontology in order to improve semantic annotation results. However, ver...
Yaoyong Li, Kalina Bontcheva
AAAI
2000
14 years 11 months ago
PROMPT: Algorithm and Tool for Automated Ontology Merging and Alignment
Researchers in the ontology-design field have developed the content for ontologies in many domain areas. Recently, ontologies have become increasingly common on the WorldWide Web ...
Natalya Fridman Noy, Mark A. Musen
SIGMOD
2008
ACM
159views Database» more  SIGMOD 2008»
15 years 10 months ago
Web-scale extraction of structured data
A long-standing goal of Web research has been to construct a unified Web knowledge base. Information extraction techniques have shown good results on Web inputs, but even most dom...
Michael J. Cafarella, Jayant Madhavan, Alon Y. Hal...