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  • Marco Shimomoto thinks this is interesting:

Lucene's core concepts are as follows:

  • Document: This is the main structure used both for searches and indexes. A document is an in-memory representation of the data values we need to use for our searches. In order for this to work, every document resource consists of a collection of fields, which is the most simple data structure.
  • Field: This has its own name and value and consists of at least one term. So every document can be seen as...


Cover of Apache Solr Beginner's Guide


Lucene conceptual elements