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The cosmological constant problem

Astronomical observations indicate that the cosmological constant is many orders of magnitude smaller than estimated in modern theories of elementary particles. After a brief re...

1989 Reviews of Modern Physics 6759 citations

Opinion Mining and Sentiment Analysis

An important part of our information-gathering behavior has always been to find out what other people think. With the growing availability and popularity of opinion-rich resourc...

2008 now publishers, Inc. eBooks 6711 citations