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Towards jointly extracting aspects and aspect-specific sentiment knowledge
Proceedings of the 21st ACM international conference on Information and knowledge management, 2012In this paper, we aim to jointly extract aspects and aspect-specific sentiment knowledge from online reviews, where the sentiment knowledge refers to the aspect-specific opinion words along with their aspect-aware sentiment polarities. To this end, we propose a Joint Aspect/Sentiment model (JAS). JAS detects aspect-specific opinion words by integrating
Xueke Xu +4 more
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Aspects Extraction for Aspect Level Opinion Analysis Based on Deep CNN
2021 26th International Computer Conference, Computer Society of Iran (CSICC), 2021Extracting aspect term is essential for aspect level sentiment analysis; Sentiment analysis collects and extracts the opinions expressed in social media and websites' comments and then analyzes them, helping users and stakeholders understand public views on the issues raised better and more quickly.
Ali Alemi Matin Pour, Saeed Jalili
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Chemical aspects of gel extraction
Chemical Engineering Science, 1986Abstract Dilute aqueous solutions can be effectively concentrated with crosslinked partially hydrolysed polyacrylamide gels. Because the gels are near their critical point, they can be regenerated with small changes in pH. The selectivity of concentrating nonelectrolyte solutes can be adjusted by changes in gel crosslinking; the selectivity of ...
Stevin H. Gehrke +2 more
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Some aspects of synergic extractions with chelating extractants
Journal of Radioanalytical Chemistry, 1979With the exception of the formation of coordinatively saturated adducts, synergic extractions using chelating extractants are reviewed. Emphasis is laid on less common synergic systems. These include the formation of adducts containing also inorganic anions, extraction of chelates in the presence of bulky organic cations, influence of various anions on
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A span-based model for aspect terms extraction and aspect sentiment classification
Neural Computing and Applications, 2020Sentiment analysis is a field of natural language processing, which is used to identify and extract opinions and attitudes from text. Aspect-based sentiment analysis aims to extract aspect terms and predict sentiment categories of the opinion aspects. It includes two subtasks: aspect terms extraction and aspect sentiment classification.
Yanxia Lv +5 more
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Unsupervised model for aspect categorization and implicit aspect extraction
Knowledge and Information Systems, 2022Omar Mustafa Al-Janabi +2 more
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Improving Opinion Aspect Extraction Using Semantic Similarity and Aspect Associations
Proceedings of the AAAI Conference on Artificial Intelligence, 2016Aspect extraction is a key task of fine-grained opinion mining. Although it has been studied by many researchers, it remains to be highly challenging. This paper proposes a novel unsupervised approach to make a major improvement.
Qian Liu +4 more
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AspNet: Aspect Extraction by Bootstrapping Generalization and Propagation Using an Aspect Network
Cognitive Computation, 2014Aspect-level opinion mining systems suffer from concept coverage problem due to the richness and ambiguity of natural language opinions. Aspects mentioned by review authors can be expressed in various forms, resulting in a potentially large number of missing or incomplete aspects.
Yunqing Xia +2 more
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Physicochemical aspects of fluid extraction
Fluid Phase Equilibria, 1983Abstract The present review considers some physicochemical properties of fluid mixtures that are important for fluid extraction, supercritical fluid chromatography (SFC) and other applications. Firstly, the most important types of phase diagrams involving liquid-gas, liquid-liquid and gas-gas equilibria are treated.
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