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Revealing Learner Interests through Topic Mining from Question-Answering Data
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Dun, Yijie; Wang, Na; Wang, Min; Hao, Tianyong – International Journal of Distance Education Technologies, 2017
In a question-answering system, learner generated content including asked and answered questions is a meaningful resource to capture learning interests. This paper proposes an approach based on question topic mining for revealing learners' concerned topics in real community question-answering systems. The authors' approach firstly preprocesses all…
Descriptors: Natural Language Processing, Information Retrieval, Data Processing, Pattern Recognition
An Approach for Thematic Relevance Analysis Applied to Textual Contributions in Discussion Forums
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Machado, Crystiano José Richard; Maciel, Alexandre Magno Andrade; Rodrigues, Rodrigo Lins – International Journal of Distance Education Technologies, 2019
Discussion forums in learning management systems (LMS) have been shown to promote student interaction and contribute to the collaborative practice in the teaching-learning process. By evaluating the postings, teachers can identify students with learning difficulties. However, due to the large volume of posts that are generated on a daily basis in…
Descriptors: Discussion Groups, Integrated Learning Systems, Learning Problems, Content Analysis
Beyond Keyword Search: Representations and Models for Personalization
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El-Arini, Khalid – ProQuest LLC, 2013
We live in an era of information overload. From online news to online shopping to scholarly research, we are inundated with a torrent of information on a daily basis. With our limited time, money and attention, we often struggle to extract actionable knowledge from this deluge of data. A common approach for addressing this challenge is…
Descriptors: Information Management, Electronic Learning, Data Collection, Privacy
Meaning-based Search Tools: Find What I Mean, Not What I Say.
Feldman, Susan – Online, 2000
Discussion of information handling tools focuses on natural language processing and linguistically-based techniques that help improve retrieval performance. Topics include difficulties in information retrieval, including poor questions and ambiguous words; phrase detection; disambiguation; automatic categorization; entity extraction; concept…
Descriptors: Concept Mapping, Futures (of Society), Information Retrieval, Linguistics
The Answer Machine.
Feldman, Susan – Searcher, 2000
Discusses information retrieval systems and the need to have them adapt to user needs, integrate information in any format, reveal patterns and trends in information, and answer questions. Topics include statistics and probability; natural language processing; intelligent agents; concept mapping; machine-aided indexing; text mining; filtering;…
Descriptors: Automatic Indexing, Concept Mapping, Information Retrieval, Information Systems
Proceedings of the International Association for Development of the Information Society (IADIS) International Conference on Cognition and Exploratory Learning in Digital Age (CELDA) (Madrid, Spain, October 19-21, 2012)
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International Association for Development of the Information Society, 2012
The IADIS CELDA 2012 Conference intention was to address the main issues concerned with evolving learning processes and supporting pedagogies and applications in the digital age. There had been advances in both cognitive psychology and computing that have affected the educational arena. The convergence of these two disciplines is increasing at a…
Descriptors: Academic Achievement, Academic Persistence, Academic Support Services, Access to Computers