Apache Solr has added many new features and performance improvements since the Search smarter with Apache Solr series was published. In this article, Solr and Lucene committer Grant Ingersoll details the improvements in Solr 1.3, including distributed[...]
Grant Ingersoll introduces Solr and shows you how to easily incorporate its impressive full-text search functionality into your Web applications.
Lucene Java™ committer Grant Ingersoll rounds out his introduction to Solr with a survey of its features for the enterprise, including administration interfaces, advanced configuration options, and performance features such as caching, replication,[...]
FunctionQuery allows one to use the actual value of a numeric field and functions of those fields in a relevancy score
Search components enable a SearchHandler to chain together reusable pieces of functionality to create custom search handlers without writing code.
Discover how to combine an enterprise-worthy search engine — Apache Software Foundation's Solr — with your PHP application.
The DataImportHandler is a Solr contrib that provides a configuration driven way to import this data into Solr in both "full builds" and using incremental delta imports.
FieldCollapsing - Solr Wiki
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