António Leal
Also published as: Antonio Leal
2021
Developing a multilayer semantic annotation scheme based on ISO standards for the visualization of a newswire corpus
Purificação Silvano
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António Leal
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Fátima Silva
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Inês Cantante
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Fatima Oliveira
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Alípio Mario Jorge
Proceedings of the 17th Joint ACL - ISO Workshop on Interoperable Semantic Annotation
In this paper, we describe the process of developing a multilayer semantic annotation scheme designed for extracting information from a European Portuguese corpus of news articles, at three levels, temporal, referential and semantic role labelling. The novelty of this scheme is the harmonization of parts 1, 4 and 9 of the ISO 24617 Language resource management - Semantic annotation framework. This annotation framework includes a set of entity structures (participants, events, times) and a set of links (temporal, aspectual, subordination, objectal and semantic roles) with several tags and attribute values that ensure adequate semantic and visual representations of news stories.
1975
Semantic-Based Parsing and a Natural-Language Interface for Interactive Data Management
John F. Burger
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Antonio Leal
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Arie Shoshani
American Journal of Computational Linguistics (November 1975)
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Co-authors
- Purificação Silvano 1
- Fátima Silva 1
- Inês Cantante 1
- Fátima Oliveira 1
- Alípio Mario Jorge 1
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