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Using Local Grammar for Entity Extraction from Clinical Reports
Information Extraction (IE) is a natural language processing (NLP) task whose aim is to analyze texts written in natural language to extract structured and useful information such as named entities and semantic relations ...
Single-Document Keyphrase Extraction for Multi-Document Keyphrase Extraction
(Revista Computación y Sistemas; Vol. 17 No.2, 2013-06-07)
Abstract. Here, we address the task of assigning
relevant terms to thematically and semantically related
sub-corpora and achieve superior results compared to
the baseline performance. Our results suggest that
more ...
Extracting Phrases Describing Problems with Products and Services from Twitter Messages
(Revista Computación y Sistemas; Vol. 17 No.2, 2013-06-07)
Abstract. Social media contain many types of
information useful to businesses. In this paper we
discuss a trigger-target based approach to extract
descriptions of problems from Twitter data. It is important
to note ...
3D Road extraction using a stereo pair of aerial images
(2010-01-01)
Road extraction from aerial and satellite imagery is of fundamental importance in the context of spatial data capturing and updating for GIS (Geographic Information System) applications. This article proposes a semiautomatic ...
Extraction of keywords from texts: an exploratory study using noun phrases
(2014)
The increasing use of Web for both scholarly publishing and information retrieval emphasizes the need for mechanisms to support efficient indexing and effective information retrieval. Manual indexing and knowledge ...
Using Machine Learning for Extracting Information from Natural Disaster News Reports
(Revista Computación y Sistemas; Vol. 13 No.1, 2009-08-15)
Abstract. The disasters caused by natural phenomena have been present all along human history; nevertheless, their consequences are greater each time. This tendency will not be reverted in the coming years; on the contrary, ...
3D ROAD EXTRACTION USING A STEREO PAIR OF AERIAL IMAGES
(Copernicus Gesellschaft Mbh, 2010-01-01)
Road extraction from aerial and satellite imagery is of fundamental importance in the context of spatial data capturing and updating for GIS (Geographic Information System) applications. This article proposes a semiautomatic ...
Sistema de aplicação unificada de regras linguísticas e ontologias para a extração de informações
(Universidade do Vale do Rio dos Sinos, 2013-08-30)
Information extraction is an important part of a broader set of enabling tools to assist on identifying relevant information from natural language texts. Knowledge acquisition rules, based on linguistic treatment of specific ...
Sistema de aplicação unificada de regras linguísticas e ontologias para a extração de informações
(Universidade do Vale do Rio dos Sinos, 2013-08-30)
Information extraction is an important part of a broader set of enabling tools to assist on identifying relevant information from natural language texts. Knowledge acquisition rules, based on linguistic treatment of specific ...