And over the weekend, my uncle Ronald, an accountant on Long Island, whom I have always considered a proxy for public sentiment, approached me at a family wedding.
However, existing social analytics methods often adopt coarse-grained and context-free sentiment analysis approaches.
Drawing upon lexicon-based sentiment analysis approaches and TF-IDF as kernel theories for our design, we employ web scraping, natural language processing, and topic analysis methods to process customer reviews and calculate the counterfeit score of a product.
That, at least, is the message that comes from contrarian analysis of investor sentiment — an approach to market timing that relies on the propensity of the average investor to get the market's near-term direction dead wrong most of the time.
In this paper, we propose an adaptable sentiment analysis approach that analyzes social media posts and extracts user's opinion in real-time.
Through backtesting of these strategies from 2006 to 2014, we demonstrate that our portfolio strategies produce risk-adjusted returns superior to the S&P 500 index return, the hedge fund industry average performance - HFRIEMN, and some sentiment-based approaches without learning-to-rank algorithm during the same period.
But while voters may not like Governor McGreevey, few political experts see the sentiment against him approaching the level of the anti-Florio years.
The sentiment was something approaching: 'I can't believe we let these guys run our lives for decades.' "But one year on, many wonder who really calls the shots.
From examining his shrewd move in molding public sentiment at the approach of hostilities to appreciating his close attention to the weight of each word in his inaugural addresses, we teach ourselves and his successors the hard lessons of political power and moral leadership.
In truth, this filmmaker's love of high-art cross-referencing and distaste for anything even approaching sentiment combine to create an aesthetic pitched at a level that perhaps only dogs and charter subscribers to the Brooklyn Academy of Music can hear.
