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Book ChapterDOI

Hybrid Model for Stress Detection in Social Media by Using Dynamic Factor Graph Model and Convolutional Neural Networks

01 Jan 2021-pp 101-107
TL;DR: In this article, a Dynamic Factor Graph model (DFGM) is combined with CNN to utilize tweets and group cooperation information for stress disclosure and furthermore, the most part of FGM focuses on mood cast technique which is dependent on unique persistent in demonstrating and predicts the user's emotions in social life.
Abstract: In present days, mental pressure is getting to be real medical problems. It distinguishes to recognize pressure opportune in proactive way. By extending the predominance digital life, person using to sharing their step-by-step activities and speaking to companions by means of electronic systems administration locales in various ways, so it makes viable to utilize online electronic life data for stress acknowledgment. Here, we discover clients' stress state which is immovably related to that of companions in their Web/public activity, and also, we use different sizes of dataset in various states which is identified with public activity to productively look at the relationship of clients' stress states and connecting within public activity. First, we identify the clients' stress states like visual pictures, writings and group properties with alternate points of view and further move on novel model to show. Dynamic factor graph model (DFGM) is combined with convolutional neural network (CNN) to utilize tweets and group cooperation information for stress disclosure and furthermore which can identify some dependencies locally and scale of invariance in discourse of speech recognitions and also in image recognition (i.e., smileys). The most part of FGM focuses on mood cast technique which is dependent on unique persistent in demonstrating and predicts the user’s emotions in social life. By further examining the social life of the user’s data, we can likewise find many scenarios and the amount of social models in form of scattered connection of stress related to users and also with non-stressed users.
Citations
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Journal ArticleDOI
TL;DR: Wang et al. as mentioned in this paper designed two techniques for category-aware chronic stress detection: (1) a stress-oriented word embedding on the basis of an existing pre-trained word embeddings, aiming to strengthen the sensibility of stress-related expressions for linguistic post analysis; (2) a multi-attention model with three layers (i.e., category-attention layer, posts selfattention layer, and category-specific post attention layer), aiming to capture inter-relevance from a sequence of posts and infer long-term stress categories and stress levels.
Abstract: People today live a stressful life. Compared with acute stress, long-term chronic stress is more harmful, and may cause or exacerbate many serious health problems, including high blood pressure, heart disease, chronic pain, and mental diseases. With social media becoming an integral part of our daily lives for information sharing and self-expression, detecting category-aware long-standing chronic stress from a large volume of historic open posts made by social media users is possible. In this study, we construct a data set containing 971 chronically stressed users with totally 54 546 open posts on Sina microblog from July 5, 2018 to December 1, 2019, and design two techniques for category-aware chronic stress detection: (1) a stress-oriented word embedding on the basis of an existing pre-trained word embedding, aiming to strengthen the sensibility of stress-related expressions for linguistic post analysis; (2) a multi-attention model with three layers (i.e., category-attention layer, posts self-attention layer, and category-specific post attention layer), aiming to capture inter-relevance from a sequence of posts and infer long-term stress categories and stress levels. The experimental results show that the proposed multi-attention model equipped with the stress-oriented word embedding can achieve 80.65% accuracy in detecting category-aware stress levels, 86.49% accuracy in detecting chronic stress levels only, and 93.07% accuracy in detecting chronic stress categories only. Limitations and implications of the study are also discussed at the end of the paper.

4 citations

References
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Journal ArticleDOI
TL;DR: The exact form of a gradient-following learning algorithm for completely recurrent networks running in continually sampled time is derived and used as the basis for practical algorithms for temporal supervised learning tasks.
Abstract: The exact form of a gradient-following learning algorithm for completely recurrent networks running in continually sampled time is derived and used as the basis for practical algorithms for temporal supervised learning tasks. These algorithms have (1) the advantage that they do not require a precisely defined training interval, operating while the network runs; and (2) the disadvantage that they require nonlocal communication in the network being trained and are computationally expensive. These algorithms allow networks having recurrent connections to learn complex tasks that require the retention of information over time periods having either fixed or indefinite length.

4,351 citations

Journal ArticleDOI
TL;DR: In this article, the authors give a brief review of the basic idea and some history and then discuss some developments since the original paper on regression shrinkage and selection via the lasso.
Abstract: Summary. In the paper I give a brief review of the basic idea and some history and then discuss some developments since the original paper on regression shrinkage and selection via the lasso.

3,054 citations

Journal ArticleDOI
TL;DR: A general method using kernel canonical correlation analysis to learn a semantic representation to web images and their associated text and compares orthogonalization approaches against a standard cross-representation retrieval technique known as the generalized vector space model is presented.
Abstract: We present a general method using kernel canonical correlation analysis to learn a semantic representation to web images and their associated text. The semantic space provides a common representation and enables a comparison between the text and images. In the experiments, we look at two approaches of retrieving images based on only their content from a text query. We compare orthogonalization approaches against a standard cross-representation retrieval technique known as the generalized vector space model.

3,051 citations

Proceedings ArticleDOI
12 Aug 2012
TL;DR: MoodLens is the first system for sentiment analysis of Chinese tweets in Weibo, and by using the highly efficient Naive Bayes classifier, MoodLens is capable of online real-time sentiment monitoring.
Abstract: Recent years have witnessed the explosive growth of online social media. Weibo, a Twitter-like online social network in China, has attracted more than 300 million users in less than three years, with more than 1000 tweets generated in every second. These tweets not only convey the factual information, but also reflect the emotional states of the authors, which are very important for understanding user behaviors. However, a tweet in Weibo is extremely short and the words it contains evolve extraordinarily fast. Moreover, the Chinese corpus of sentiments is still very small, which prevents the conventional keyword-based methods from being used. In light of this, we build a system called MoodLens, which to our best knowledge is the first system for sentiment analysis of Chinese tweets in Weibo. In MoodLens, 95 emoticons are mapped into four categories of sentiments, i.e. angry, disgusting, joyful, and sad, which serve as the class labels of tweets. We then collect over 3.5 million labeled tweets as the corpus and train a fast Naive Bayes classifier, with an empirical precision of 64.3%. MoodLens also implements an incremental learning method to tackle the problem of the sentiment shift and the generation of new words. Using MoodLens for real-time tweets obtained from Weibo, several interesting temporal and spatial patterns are observed. Also, sentiment variations are well captured by MoodLens to effectively detect abnormal events in China. Finally, by using the highly efficient Naive Bayes classifier, MoodLens is capable of online real-time sentiment monitoring. The demo of MoodLens can be found at http://goo.gl/8DQ65.

261 citations

Journal ArticleDOI
TL;DR: The Bug algorithm family are well-known robot navigation algorithms with proven termination conditions for unknown environments and their relative performance for a number of different environment types are discussed.
Abstract: The Bug algorithm family are well-known robot navigation algorithms with proven termination conditions for unknown environments. Eleven variations of Bug algorithm have been implemented and compared against each other on the EyeSim simulation platform. This paper discusses their relative performance for a number of different environment types as well as practical implementation issues.

165 citations