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smkrv/
rubert-base-collection3-ner-coreml

Name: rubert-base-collection3-ner-coreml
Availability: InStock

ai-forever/ruBert-base

quantized

apache-2.0

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rubert-base-collection3-ner-coreml

Russian NER (PER / ORG / LOC) as a self-contained fp16 Core ML package for on-device inference on Apple Silicon. Used on-device in Letopis, a local meeting and call recorder and transcriber for macOS and iOS (PII redaction of call transcripts); usable by any Core ML consumer.

Lineage

Base model: ai-forever/ruBert-base
Fine-tune (Collection3, PER/ORG/LOC): viktor-shcherb/sberbank-rubert-base-collection3 (Apache-2.0); reported Collection3 test F1 0.948
This repo: fp16 Core ML conversion of that fine-tune, plus the WordPiece vocab and label map

Files

NERCollection3.mlpackage - BertForTokenClassification, fp16 mlprogram, fixed shape (1, 256): inputs input_ids + attention_mask (int32), output logits (1, 256, 7)
vocab.txt - WordPiece vocab (do_lower_case = true, accents stripped per BERT BasicTokenizer)
tokenizer_config.json - reference tokenizer settings
config.json - id2label: O, B-PER, I-PER, B-ORG, I-ORG, B-LOC, I-LOC; seq_len: 256
tokenizer_fixtures.json - reference tokenizations (ids + char offsets) for porting tokenizers

Conversion fidelity

Verified against the PyTorch original on 1500 conversational RU sentences (cased and lowercase/unpunctuated): token-level label agreement 99.98%, entity-span agreement 99.8%.

smkrv/rubert-base-collection3-ner-coreml

rubert-base-collection3-ner-coreml

Lineage

Files

Conversion fidelity

License

smkrv/
rubert-base-collection3-ner-coreml