| Subclasses of BitPostingIndex in org.terrier.structures | 
|  class | BlockDirectIndexExtended direct index that saves both block 
 and field information about the terms that 
 appear in a document.
 | 
|  class | BlockInvertedIndexThis class implements the block field inverted 
 index for performing retrieval.
 | 
|  class | DirectIndexA class that implements the direct index and saves 
 information about whether a term appears in 
 one of the specified fields.
 | 
|  class | InvertedIndexThis class implements the inverted index 
 for performing retrieval, with field information
 optionally.
 |