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» Learning Objects on the Semantic Web
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WWW
2005
ACM
16 years 5 months ago
Web data extraction based on partial tree alignment
This paper studies the problem of extracting data from a Web page that contains several structured data records. The objective is to segment these data records, extract data items...
Yanhong Zhai, Bing Liu
153
Voted
PERVASIVE
2006
Springer
15 years 4 months ago
Building Reliable Activity Models Using Hierarchical Shrinkage and Mined Ontology
Abstract. Activity inference based on object use has received considerable recent attention. Such inference requires statistical models that map activities to the objects used in p...
Emmanuel Munguia Tapia, Tanzeem Choudhury, Matthai...
WWW
2007
ACM
16 years 5 months ago
Ontology engineering using volunteer labor
We describe an approach designed to reduce the costs of ontology development through the use of untrained, volunteer knowledge engineers. Results are provided from an experiment i...
Benjamin M. Good, Mark D. Wilkinson
ICASSP
2009
IEEE
15 years 11 months ago
Annotating images by harnessing worldwide user-tagged photos
Automatic image tagging is important yet challenging due to the semantic gap and the lack of learning examples to model a tag’s visual diversity. Meanwhile, social user tagging ...
Xirong Li, Cees G. M. Snoek, Marcel Worring
146
Voted
AIIA
2007
Springer
15 years 11 months ago
Harvesting Relational and Structured Knowledge for Ontology Building in the WPro Architecture
We present two algorithms for supporting semi-automatic ontology building, integrated in WPro, a new architecture for ontology learning from Web documents. The first algorithm auto...
Daniele Bagni, Marco Cappella, Maria Teresa Pazien...