Search

Understanding word-level emotion in terms of both category and intensity has always been considered an essential step in addressing text emotion classification tasks. Existing studies have mainly adopted the categorical lexicons that are tagged by predefined emotion taxonomies to link affective words with discrete emotions. However, in these lexicons, emotion tags are restricted to a specific set of basic emotions. Moreover, the emotional intensity is ignored, making these methods less flexible and less informative. This paper proposes a novel method to generate a word-level emotion distribution (WED) vector by incorporating domain knowledge and dimensional lexicon. The proposed method can link a word with more generic and fine-grained emotion taxonomies with quantitatively computed intensities. We propose two schemas to utilize the WED vector implicitly and explicitly to facilitate classification. The implicit approach implements a rule-based conversion strategy to augment the information in the label space. The explicit approach exploits WED as an emotional word embedding to enhance the sentiment feature. We conduct extensive experiments on seven multiclass datasets. The results indicate that both proposed schemas produce competitive results compared with the state-of-the-art baselines. [ABSTRACT FROM AUTHOR]

The term 'episodic memory' was coined by Endel Tulving, who also created a classification in several memory systems. This classification is presented, and it is described which predecessors existed for the partition of memory into systems. The 'episodic memory system' is discussed as being in general equivalent with the 'episodic-autobiographical memory system'. It is seen as an emotionally colorized system. A special paragraph is devoted to the 'perceptual memory system', as this was not included in Tulving's previous schemes of memory systems. More recent sub-categorizations of the 'episodic memory system' are presented and a perspective on the future of the episodic memory system is developed. • The term episodic memory was coined by Endel Tulving. • The episodic memory system is equivalent to episodic-autobiographical memory system. • The episodic memory system is seen as linked to emotions. • Current memory systems had forerunners according to content and type of processing. • The episodic memory is embedded in other cognitive domains. [ABSTRACT FROM AUTHOR]