A maximum entropy approach to natural language processing
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IEEE Intelligent Systems
Conditional Random Fields: Probabilistic Models for Segmenting and Labeling Sequence Data
ICML '01 Proceedings of the Eighteenth International Conference on Machine Learning
Feature-rich part-of-speech tagging with a cyclic dependency network
NAACL '03 Proceedings of the 2003 Conference of the North American Chapter of the Association for Computational Linguistics on Human Language Technology - Volume 1
Annotating the semantic web using natural language
NLPXML '02 Proceedings of the 2nd workshop on NLP and XML - Volume 17
Word Sense Determination using WordNet and Sense Co-occurrence
AINA '06 Proceedings of the 20th International Conference on Advanced Information Networking and Applications - Volume 01
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IJCAI'07 Proceedings of the 20th international joint conference on Artifical intelligence
Semantic matching: algorithms and implementation
Journal on data semantics IX
Querying ontologies: a controlled english interface for end-users
ISWC'05 Proceedings of the 4th international conference on The Semantic Web
Encoding classifications into lightweight ontologies
ESWC'06 Proceedings of the 3rd European conference on The Semantic Web: research and applications
GINO – a guided input natural language ontology editor
ISWC'06 Proceedings of the 5th international conference on The Semantic Web
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ECDL'07 Proceedings of the 11th European conference on Research and Advanced Technology for Digital Libraries
ESWC 2009 Heraklion Proceedings of the 6th European Semantic Web Conference on The Semantic Web: Research and Applications
Faceted Lightweight Ontologies
Conceptual Modeling: Foundations and Applications
Ontological modeling at a domain interface: Bridging clinical and biomolecular knowledge
The Knowledge Engineering Review
Lightweight parsing of classifications into lightweight ontologies
ECDL'10 Proceedings of the 14th European conference on Research and advanced technology for digital libraries
Utilizing social context for providing personalized services to mobile users
EuroSSC'10 Proceedings of the 5th European conference on Smart sensing and context
Automatic maintenance of web directories by mining web browsing data
Journal of Web Engineering
Semantic annotation of images on flickr
ESWC'11 Proceedings of the 8th extended semantic web conference on The semanic web: research and applications - Volume Part II
World Wide Web
Semantic disambiguation in folksonomy: a case study
NLP4DL'09/AT4DL'09 Proceedings of the 2009 international conference on Advanced language technologies for digital libraries
Domains and context: First steps towards managing diversity in knowledge
Web Semantics: Science, Services and Agents on the World Wide Web
A semantic geo-catalogue for a local administration
Artificial Intelligence Review
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Hierarchical classifications are used pervasively by humans as a means to organize their data and knowledge about the world. One of their main advantages is that natural language labels, used to describe their contents, are easily understood by human users. However, at the same time, this is also one of their main disadvantages as these same labels are ambiguous and very hard to be reasoned about by software agents. This fact creates an insuperable hindrance for classifications to being embedded in the Semantic Web infrastructure. This paper presents an approach to converting classifications into lightweight ontologies, and it makes the following contributions: (i) it identifies the main NLP problems related to the conversion process and shows how they are different from the classical problems of NLP; (ii) it proposes heuristic solutions to these problems, which are especially effective in this domain; and (iii) it evaluates the proposed solutions by testing them on DMoz data.