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On Schemas and Lucene

One of the very first thing users encounter when using Apache Solr is its schema. Here they configure the fields that their Documents will contain and the field types which define amongst other things, how field data will be analyzed. Solr’s schema is often touted as one of its major features and you will find […]

Document Frequency Limited MultiTermQuerys

If you’ve ever looked at user generated data such as tweets, forum comments or even SMS text messages, you’ll have noticed there there are many variations in the spelling of words.  In some cases they are intentional such as omissions of vowels to reduce message length, in other cases they are unintentional typos and spelling […]