EAN: 9783031010309

SYNTHESIS LECTURES ON HUMAN LANGUAGE TECHNOLOGI...

The attempt to spot deception through its correlates in human behavior has a long history.
Until recently  these efforts have concentrated on identifying individual cues that might occur
with deception. However  with the advent of computational means to analyze language and other
human behavior  we now have the ability to determine whether there are consistent clusters of
differences in behavior that might be associated with a false statement as opposed to a true
one. While its focus is on verbal behavior  this book describes a range of
behaviors-physiological  gestural as well as verbal-that have been proposed as indicators of
deception. An overview of the primary psychological and cognitive theories that have been
offered as explanations of deceptive behaviors gives context for the description of specific
behaviors. The book also addresses the differences between data collected in a laboratory and
real-world data with respect to the emotional and cognitive state of the liar. It discusses
sources of real-world data and problematic issues in its collection and identifies the primary
areas in which applied studies based on real-world data are critical  including police 
security  border crossing  customs  and asylum interviews  congressional hearings  financial
reporting  legal depositions  human resource evaluation  predatory communications that include
Internet scams  identity theft  and fraud  and false product reviews. Having established the
background  this book concentrates on computational analyses of deceptive verbal behavior that
have enabled the field of deception studies to move from individual cues to overall differences
in behavior. The computational work is organized around the features used for classification
from -gram through syntax to predicate-argument and rhetorical structure. The book concludes
with a set of open questions that the computational work has generated.

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