384 • Big Data Analytics
of consumers. By watching who is quoting who, we can map who inu-
ences who. By analyzing sentimental words and my specic history of
such words when quoting others, computers can gain some knowledge of
whether I am probably quoting you to criticize you or because I like what
you said. When we use unstructured data this way, the lack of sensor-
like precision in the data becomes irrelevant. e computer is conduct-
ing a powerful analysis that was impossible even a decade ago. Still, when
considering a potential project based on unstructured data, we think it is
denitely worthwhile to consider whether the intended task matches the
nature of the data. Moreover, there are methods being developed to assist
in the judgment ...