While it seems obvious that restaurants with lower ratings are more likely to close, the professors and Ph. D. students involved in the research indicate there's more to a restaurant's success than numerical ratings. Looking at 2,000 restaurants that were open at the time of the study plus 450 that had closed down in the last few years, researchers found that words like "good," "like," and "friend" were more commonly used in Yelp reviews of restaurants that ended up staying open longer. By combining text analysis with restaurant rankings, researchers created software that can predict if a restaurant would close within the next three months with 70 percent accuracy, reports the Washington Business Journal. Get the full story at The Washington Business Journal