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Terrier Future Features and Known Issues

List of features and known issues that are marked for future Terrier versions:

Future Features

Terrier's own Exceptions for setup, indexing, querying.
Move towards more systematic updatable indices.
Move towards generic index structure classes in Index: e.g. PostingIndex instead of InvertedIndex. New code should use PostingIndex where possible.

Known Issues

Query language should be refined: In particular, ambiguity warnings when generating the parser with ANTLR should be removed, and a more structured query language should be introduced.

Deprecations, Scheduled Refactorings

The following classes and interfaces are/may be deprecated in this version of Terrier and will likely be removed or refactored in a future release:

Indexer and org.terrier.structures.indexing hierarchy may be refactored in a future release.
ApplicationSetup will be replaced with a new non-global configuration API.

Contributions

All community contributions to the Terrier framework are welcome. In addition, you can find more information about contributing on the Terrier website.

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