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- research-articleMay 2020
Variance Estimation in the Presence of Nonresponse with Free Joint Inclusion Probability under Unequal Probability Sampling without Replacement
ICBDE '20: Proceedings of the 2020 3rd International Conference on Big Data and EducationPages 50–54https://doi.org/10.1145/3396452.3396466A new method to estimate the variance of population total with free joint inclusion probability which is usually unknown in practice has been proposed under unequal probability sampling without replacement when nonresponse occurs in this study. ...
- research-articleMay 2020
An Easy-to-read Visual Approach to Deal with Peer Reviews and Self-assessments in Virtual Learning Environments
ICBDE '20: Proceedings of the 2020 3rd International Conference on Big Data and EducationPages 73–79https://doi.org/10.1145/3396452.3396461In teaching-learning process, the grade computation is an important part of the critical-thinking process. When faced to assessments of many students, teachers are confronted to a mass of smart data. Lately, the strategies of peer evaluations, in which ...
- research-articleMay 2020
Keywords Extraction Based on Word2Vec and TextRank
ICBDE '20: Proceedings of the 2020 3rd International Conference on Big Data and EducationPages 37–42https://doi.org/10.1145/3396452.3396460In order to improve the performance of keyword extraction by enhancing the semantic representations of documents, we propose a method of keyword extraction which exploits the document's internal semantic information and the semantic representations of ...
