Text data management and analysis: a practical introduction to information retrieval and text mining.

摘要

Fifteen years ago, the field of information retrieval (IR) was still in its infancy, despite the fact that research and development in the field had been progressing for over 30 years, and had provided several significant advances. Then, following the flourishing of modern search engines, the field was re-birthed; the explosive growth of the web fed the field with novel problems, but it also challenged the solutions to the old problems that were thought to be solved until the web's scale made their solutions inadequate.