O'Reilly logo

Java for Data Science by Jennifer L. Reese, Richard M. Reese

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Understanding tagging and POS

POS is concerned with identifying the types of components found in a sentence. For example, this sentence has several elements, including the verb "has", several nouns such as "example" and "elements", and adjectives such as "several". Tagging, or more specifically POS tagging, is the process of associating element types to words.

POS tagging is useful as it adds more information about the sentence. We can ascertain the relationship between words and often their relative importance. The results of tagging are often used in later processing steps.

This task can be difficult as we are unable to rely upon a simple dictionary of words to determine their type. For example, the word lead can be used as both a noun and as ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required