February 2018
Intermediate to advanced
378 pages
10h 14m
English
Content preview from Machine Learning with Swift
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Common NLP approaches and subtasks
Most programmers are familiar with the simplest way of processing natural language: regular expressions. There are many regular expression implementations for different programming languages that differ in small details. Because of these details, the same regular expression on various platforms can produce different results or not work at all. The two most popular standards are POSIX and Perl. The Foundation framework, however, contains its own version of regular expressions, based on the ICU C++ library. It is an extension of the POSIX standard for Unicode strings.
Why are we even talking about regular expressions here? Regular expressions are a great example of what NLP specialists call heuristics—manually ...
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