Book Image

Administrating Solr

By : Surendra Mohan
Book Image

Administrating Solr

By: Surendra Mohan

Overview of this book

Implementing different search engines on web products is a mandate these days. Apache Solr is a robust search engine, but simply implementing Apache Solr and forgetting about it is not a good idea, especially when you have to fight for the search ranking of your web product. In such a scenario, you need to keep monitoring, administrating, and optimizing your Solr to retain your ranking. "Administrating Solr" is a practical, hands-on guide. This book will provide you with a number of clear, step-by-step exercises and some advanced concepts which will help you administrate, monitor, and optimize Solr using Drupal and associated scripts. Administrating Solr will also provide you with a solid grounding on how you can use Apache Solr with Drupal. "Administrating Solr" starts with an overview of Apache Solr and the installation process to get you familiar with Solr. It then gradually moves on to discuss the mysteries that make Solr flexible enough to render appropriate search results in different scenarios. This book will take you through clear and practical concepts that will help you monitor, administrate, and optimize your Solr appropriately using both scripts and tools. This book will also teach you ways to query your search and methods to keep your Solr healthy and well maintained. With this book, you will learn how to effectively implement and optimize Solr using Drupal.
Table of Contents (12 chapters)

OpenNLP (Natural Language Processing)

In this section, we will brief on some basics of Natural Language Processing (NLP) and later understand what OpenNLP is and what it does.

NLP is defined as a field of computer science in collaboration with artificial intelligence and linguistics responsible for interacting between computers and natural (human) languages. That is, NLP is basically used to process human languages either in the form of text or voice as an input (search keyword) into computer (machine) language, and intern fetching relevant search results in human-readable language. It also helps to categorize unstructured search input into a better structured format so as to enhance ease in discrete information extraction.

If you want the computer to recognize and process human language, you need to understand a few facts so as to understand why NLP is required.

Let us assume, we input a Dutch sentence, kJfmmfj mmmvvv nnnffn333, as the search keyword in the form of either text or voice....