Difference between revisions of "Comparison: O'Connor et al. ICWSM 2010 & Widespread Worry and Stock Market"
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== Method == | == Method == | ||
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+ | The two papers used different methodologies. The O'Conner et al. paper studied sentiment analysis of Twitter data by using a sentiment lexicon to mark positive or negative tweets, whereas the Gilbert et al. paper used supervised learning classifiers to automatically identify ''anxious'' LiveJournal blog posts. Furthermore, Gilbert et al. analyzed the usefulness of time series data from their Anxiety index in forecasting S&P 500 stock market data using Granger causality, whereas O'Connor et al. simply studied the smoothed correlation between public opinion polls and their aggregated Twitter sentiment. | ||
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== Dataset Used == | == Dataset Used == | ||
+ | * Gilbert et al. used two data sets: [[UsesDataset::LiveJournal blog dataset]] and the [[S&P 500]] dataset. | ||
+ | * O'Connor et al. uses a dataset consisting of roughly 1 billion Twitter posts collected between 2008-2009. | ||
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== Problem == | == Problem == | ||
== Big Idea == | == Big Idea == |
Revision as of 19:07, 2 November 2012
Papers
Method
The two papers used different methodologies. The O'Conner et al. paper studied sentiment analysis of Twitter data by using a sentiment lexicon to mark positive or negative tweets, whereas the Gilbert et al. paper used supervised learning classifiers to automatically identify anxious LiveJournal blog posts. Furthermore, Gilbert et al. analyzed the usefulness of time series data from their Anxiety index in forecasting S&P 500 stock market data using Granger causality, whereas O'Connor et al. simply studied the smoothed correlation between public opinion polls and their aggregated Twitter sentiment.
Dataset Used
- Gilbert et al. used two data sets: LiveJournal blog dataset and the S&P 500 dataset.
- O'Connor et al. uses a dataset consisting of roughly 1 billion Twitter posts collected between 2008-2009.
Problem
Big Idea
Other
Additional Questions
How much time did you spend reading the (new, non-wikified) paper you summarized? 3 hours
How much time did you spend reading the old wikified paper? 2 hours
How much time did you spend reading the summary of the old paper? 10 minutes
How much time did you spend reading background materiel? Half an hour
Was there a study plan for the old paper? Yes
If so, did you read any of the items suggested by the study plan? and how much time did you spend with reading them? No.
Give us any additional feedback you might have about this assignment.