To facilitate and support learners have a better understanding of the communication focus, this paper presents an approach to discover the hot topics and patterns of topics evolutions in online learning communities.
When looking for a pattern of how discussion topics vary between countries with different network characteristics, it would appear that the most active countries share similar positive opinions on e-cigarettes and frequently interact with each other.
The results are presented as graphs showing average patterns of main topics (Q1) and network links (Q2 and Q3).
The study adopted a thematic structure analysis which involved rigorous identification of relevant codes pertaining to the content of each segment of the interviews, and the subsequent classification of the material according to emerging patterns of major topics or themes [ 22].
RQ2: What is the pattern of sentiment in discussion topics between countries with different network characteristics?
Though the topic evolution pattern of the two datasets differs, the common finding is that the hot topics discovered in the two different types of communities could virtually reflect the situations in the physical world, and thus the visualization of such discovery will help users to easily find out the focus of discussions and better understand of the topic evolution.
What is astonishing is that this broad pattern of connections is picked up in the comparison of topic profiles.
Among the tools the successful seeker of government funding might choose to employ: linguistic cues, patterns of information flow, topic trend analysis, sentiment detection and opinion mining.
Retrieving information in real time from fringe patterns is a topic of a great deal of interest in scientific and engineering applications of optical methods.
Results suggest that only a small percentage of students borrowed extensively from the source texts and that there were only minor differences in patterns of borrowing across topics, student groups and proficiency levels.
The relative proportion, or pattern, of IAAs required for human health has been the topic of considerable research.
