OPENNLP-1887: Lexical expansion over the knowledge base seam: synonyms, hypernyms, optional hyponyms - #1167

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ai-pipestream:wordnet-expansion

Commits on Jul 31, 2026

OPENNLP-1880: Lexical knowledge base seam with WN-LMF and WNDB readers and a Morphy lemmatizer
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OPENNLP-1887: Add LexicalExpander: weighted synonym and hypernym expansion over the lexical knowledge base
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OPENNLP-1888: Add StringUtil.isBlank following the toolkit whitespace definition
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OPENNLP-1887: Synset similarity measures and hypernym-anchored word typing
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OPENNLP-1887: Extend the WordNet manual with mirror-tested expansion examples
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lemmatizer: Read PoliMorf-format morphological tables into a DictionaryLemmatizer
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formats: Add a clean-room CFSA2 finite-state automaton reader
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formats: Decode morfologik CFSA2 dictionaries into a DictionaryLemmatizer
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formats: Read FSA5 automata too, behind a shared FsaSequenceReader
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formats: Reuse one path buffer while enumerating automaton sequences
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OPENNLP-1887: Align null contracts, annotations, and dev helper placement with the review conventions
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OPENNLP-1887: Address review: reader javadoc, a folded FSA header check, and pinning tests
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