apache / apache/lucene

Add dynamic stemmer for Ukrainian [LUCENE-7348]

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#8,402 1 comment 0 reactions 0 assignees View on GitHub
legacy-jira-label:analysis legacy-jira-label:language legacy-jira-priority:Minor module:analysis type:enhancement
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Description

We're adding a dictionary based lemmatizing analyzer for Ukrainian in #8342.
It would be nice to have a dynamic stemmer that can handle words that are not in the dictionary.

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Migrated from [LUCENE-7348](https://issues.apache.org/jira/browse/LUCENE-7348) by Andriy Rysin
Linked issues:
- #8342

Contributor guide

Open the contributing guide

Research direction

Start by reviewing linked issue #8342 and its dictionary-based Ukrainian lemmatizing analyzer. Identify the relevant analyzer or stemmer entry points, then clarify the expected behavior for words absent from the dictionary and the tests needed to demonstrate that behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
search
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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