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Books > Computing & IT > Applications of computing > Artificial intelligence
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Time Expression and Named Entity Recognition (Hardcover, 1st ed. 2021)
Loot Price: R4,208
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Time Expression and Named Entity Recognition (Hardcover, 1st ed. 2021)
Series: Socio-Affective Computing, 10
Expected to ship within 10 - 15 working days
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This book presents a synthetic analysis about the characteristics
of time expressions and named entities, and some proposed methods
for leveraging these characteristics to recognize time expressions
and named entities from unstructured text. For modeling these two
kinds of entities, the authors propose a rule-based method that
introduces an abstracted layer between the specific words and the
rules, and two learning-based methods that define a new type of
tagging scheme based on the constituents of the entities, different
from conventional position-based tagging schemes that cause the
problem of inconsistent tag assignment. The authors also find that
the length-frequency of entities follows a family of power-law
distributions. This finding opens a door, complementary to the
rank-frequency of words, to understand our communicative system in
terms of language use.
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