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Based on a computed toy example, we offer evidence that by plugging in
similarity of word meaning as a force plus a small modification of
Newton's 2nd law, one can acquire specific "mass" values for index
terms in a Saltonesque dynamic library environment. The model can
describe two types of change which affect the semantic composition of
document collections: the expansion of a corpus due to its update, and
fluctuations of the gravitational potential energy field generated by
normative language use as an attractor juxtaposed with actual language
use yielding timedependent term frequencies. By the evolving semantic
potential of a vocabulary and concatenating the respective term
"mass" values, one can model sentences or longer strings of
symbols as vectorvalued functions. Since the line integral of such
functions is used to express the work of a particle in a gravitational
field, the work equivalent of strings can be calculated.
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