Inspired by an analysis of
computer science research trends, I wrote a simple application using
Adobe Flex and
Apache Lucene to analyze trends on the Irish discussion website
boards.ie from 1998 to mid-2008. For example, computing only term frequencies within posts, one can observe the rise and fall of Ireland's mobile phone networks:
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Please note that the 2008 dataset is incomplete, and so the results trail off for this year.