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- item-2 hasContent yannick-prie.
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- item-3 hasContent pierre-antoine-champin.
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- 25 creator myung-hee-kim.
- 25 creator paul-compton.
- 25 type InProceedings.
- 25 label "Improving the performance of a Named Entity Recognition system with knowledge acquisition".
- 25 sameAs 25.
- 25 abstract "Named Entity Recognition (NER) is important for extracting information from highly heterogeneous web documents. Most NER systems have been developed based on formal documents, but informal web documents usually contain noise, and incorrect and incomplete expressions. The performance of current NER systems drops dramatically as informality increases in web documents and a different kind of NER is needed. Here we propose a Ripple-Down-Rules-based Named Entity Recognition (RDRNER) system. This is a wrapper around the machine-learning-based Stanford NER system, correcting its output using rules added by people to deal with specific application domains. The key advantages of this approach are that it can handle the freer writing style that occurs in web documents and correct errors introduced by the web’s informal characteristics. In these studies the Ripple-Down Rule approach, with low-cost rule addition improved the Stanford NER system’s performance on informal web document in a specific domain to the same level as its state-of-the-art performance on formal documents.".
- 25 hasAuthorList authorList.
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- 25 title "Improving the performance of a Named Entity Recognition system with knowledge acquisition".
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- item-1 hasContent myung-hee-kim.
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- 27 creator jakub-dzikowski.
- 27 creator monika-kaczmarek.
- 27 creator oksana-tokarchuck.
- 27 creator szymon-lazaruk.
- 27 creator witold-abramowicz.
- 27 type InProceedings.
- 27 label "Towards the Semantic Web - Incentivizing Semantic Annotation Creation Process".
- 27 sameAs 27.
- 27 abstract "One of the main obstacles hampering the adoption of semantic technologies, is the lack of interest of users to create semantic content. In this paper, we focus on the incentives that may be applied and embedded within an application, in order to motivate users to create semantically annotated content. As an example, we show a semantically-enhanced Social Web Recommendation application, called Taste It! Try It!, integrated with a Linked Data source and Social Network. We also discuss the findings from the experiments run with 140 users.".
- 27 hasAuthorList authorList.
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- 27 title "Towards the Semantic Web - Incentivizing Semantic Annotation Creation Process".
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- item-1 hasContent monika-kaczmarek.
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- item-2 hasContent jakub-dzikowski.
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- item-3 hasContent szymon-lazaruk.
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- 31 creator sebastian-rudolph.
- 31 creator sebastien-ferre.
- 31 type InProceedings.
- 31 label "Advocatus Diaboli - Exploratory Enrichment of Ontologies with Negative Constraints".
- 31 sameAs 31.
- 31 abstract "With the persistent deployment of ontological specifications in practice and the increasing size of the deployed ontologies, methodologies for ontology engineering are becoming more and more important. In particular, the specification of negative constraints is often neglected by human experts, whereas they are crucial for increasing an ontology's deductive potential. We propose a novel, arguably cognitively advantageous methodology for identifying and adding missing negative constraints to an existing ontology. To this end, a domain expert navigates through the space of satisfiable class expressions with the aim of finding absurd ones, which then can be forbidden by adding the respective constraint to the ontology. We give the formal foundations of our approach, provide an implementation, called Possible World Explorer (PEW) and illustrate its usability by describing prototypical navigation paths using the example of the well-known pizza ontology.".
- 31 hasAuthorList authorList.
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- 31 title "Advocatus Diaboli - Exploratory Enrichment of Ontologies with Negative Constraints".
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- item-1 hasContent sebastien-ferre.
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- item-2 hasContent sebastian-rudolph.
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- 36 creator alice-hermann.
- 36 creator mireille-ducasse.
- 36 creator sebastien-ferre.
- 36 type InProceedings.
- 36 label "An interactive guidance process supporting consistent updates of RDFS graphs".
- 36 sameAs 36.
- 36 abstract "With existing tools, when creating a new object in the Semantic Web, users benefit neither from existing objects and their properties, nor from the already known properties of the new object. We propose UTILIS, an interactive process to help users add new objects. While creating a new object, relaxation rules are applied to its current description to find similar objects, whose properties serve as suggestions to expand the description. A user study conducted on a group of master students shows that students, even the ones disconcerted by the unconventional interface, used UTILIS suggestions. In most cases, they could find the searched element in the first three sets of properties of similar objects. Moreover, with UTILIS users did not create any duplicate whereas with the other tool used in the study more than half of them did.".
- 36 hasAuthorList authorList.
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- 36 title "An interactive guidance process supporting consistent updates of RDFS graphs".
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