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- W2185374811 abstract "Feature-based opinion extraction is a task related to opinion mining and information extraction which consists of automatically extracting feature-level representations of opinions from subjective texts. In the last years, some researchers have proposed domain-independent solutions to this task. Most of them identify the feature being reviewed by a set of words from the text. Rather than that, we propose a domain-adaptable opinion extraction system based on feature taxonomies (a semantic representation of the opinable parts and attributes of an object) which extracts feature-level opinions and maps them into the taxonomy. The opinions thus obtained can be easily aggregated for summarization and visualization. In order to increase precision and recall of the extraction system, we define a set of domain-specific resources which capture valuable knowledge about how people express opinions on each feature from the taxonomy for a given domain. These resources are automatically induced from a set of annotated documents. The modular design of our architecture allows building either domain-specific or domain-independent opinion extraction systems. According to some experimental results, using the domain-specific resources leads to far better precision and recall, at the expense of some manual effort." @default.
- W2185374811 created "2016-06-24" @default.
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- W2185374811 date "2011-01-01" @default.
- W2185374811 modified "2023-10-02" @default.
- W2185374811 title "TOES: A Taxonomy-Based Opinion Extraction System" @default.
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- W2185374811 doi "https://doi.org/10.1007/978-3-642-22327-3_34" @default.
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