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  • Influence
SentiBench - a benchmark comparison of state-of-the-practice sentiment analysis methods
TLDR
In the last few years thousands of scientific papers have investigated sentiment analysis, several startups that measure opinions on real data have emerged and a number of innovative products related to this theme have been developed. Expand
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Potential for Discrimination in Online Targeted Advertising
TLDR
We systematically investigate the different targeting methods offered by Facebook for their ability to enable discriminatory advertising on the Facebook advertisement platform. Expand
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Media Bias Monitor: Quantifying Biases of Social Media News Outlets at Large-Scale
TLDR
We show that the ideological (liberal or conservative) leaning of a news source can be accurately estimated by the extent to which liberals or conservatives are over-/underrepresented among its audience. Expand
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iFeel 2.0: A Multilingual Benchmarking System for Sentence-Level Sentiment Analysis
TLDR
We propose iFeel 2.0, an online web system that implements 19 sentence-level sentiment analysis methods and allows users to easily label a dataset with all of them. Expand
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Using Crowdsourcing Techniques and Mobile Devices for Asphaltic Pavement Quality Recognition
TLDR
We present RoadScan, a crowdsourcing Android application that determines pavements quality in a simple and lightweight way. Expand
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On Microtargeting Socially Divisive Ads: A Case Study of Russia-Linked Ad Campaigns on Facebook
TLDR
We analyze the extent to which political ads from the Russian Intelligence Research Agency (IRA) run prior to 2016 U.S. elections exploited Facebook's targeted advertising infrastructure to efficiently target ads on divisive or polarizing topics. Expand
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Sentiment Analysis Methods for Social Media
TLDR
Sentiment Analysis became an important topic in the Web recently, especially regarding to Online Social Networks. Expand
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How Biased is the Population of Facebook Users? Comparing the Demographics of Facebook Users with Census Data to Generate Correction Factors
TLDR
In this paper, we leverage the Facebook advertising platform to compile the equivalent of an aggregate-level census of Facebook users. Expand
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Leveraging the Facebook ads platform for election polling
TLDR
Election polls provide valuable insights about voting intention on candidates filtered by demographic characteristics. Expand
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Using Facebook Data to Measure Cultural Distance between Countries: The Case of Brazilian Cuisine
TLDR
We measure the global spread of Brazilian culture across countries by exploring Facebook user’s preferences for typical Brazilian dishes through the Facebook Advertising Platform. Expand
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