Boosting terms in Solr search results produced by the Apache Solr Search module that integrates Solr with Drupal is something we had to do for a project recently. If a user has come to our website from a search engine, we can pick up the terms that they had originally searched for - and then boost any documents containing those terms in our own search pages, regardless of what they search for on our pages...
Another quick tip here: if you're working with the Apache Solr module, specifically looking at the documents that are being created from your nodes, and you want to print out the document and have a look at what fields and values are on your $document then if you did this: // Print the $document using the devel dpm function. dpm($document); Then you would get a very unhelpful output from Krumo, because all the fields on...