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+ ---
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+ license: mit
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+ language:
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+ - en
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+ tags:
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+ - language-modeling
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+ - gpt2
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+ - distilgpt2
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+ - long-form-generation
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+ - coherence
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+ - hard-negatives
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+ - wikitext
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+ - research
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+ pipeline_tag: text-generation
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+ ---
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+
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+ # ForesightLM Phase 1
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+
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+ ForesightLM Phase 1 is an experimental research checkpoint exploring whether self-loop hard negatives can provide a useful calibration signal for semantic-level coherence-aware generation.
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+ This repository contains Phase 1 model checkpoints, robustness outputs, and small ablation artifacts for the ForesightLM workshop paper.
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+ ## Main idea
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+ The project investigates a lightweight extension around a DistilGPT-2 style language model trained on WikiText-103. The goal is not to claim solved long-form coherence, but to test whether future-aware objectives and self-loop hard negatives can improve semantic-level generation indicators.
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+
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+ ## Uploaded checkpoints
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+ This repository includes:
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+
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+ | Path | Description |
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+ |---|---|
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+ | `outputs/phase1/v2_wikitext103_seed42_distilgpt2` | Main ForesightLM-v2 Phase 1 checkpoint, `lambda_hardneg=0.10` |
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+ | `outputs/phase1/v2_wikitext103_lh005_seed42_distilgpt2` | Lambda ablation checkpoint, `lambda_hardneg=0.05` |
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+ | `outputs/phase1/v2_wikitext103_lh020_seed42_distilgpt2` | Lambda ablation checkpoint, `lambda_hardneg=0.20` |
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+ | `outputs/phase1/bootstrap` | Paired bootstrap confidence interval results |
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+ | `outputs/phase1/lambda_hardneg_ablation` | Lambda hard-negative ablation summary |
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+ | `outputs/phase1/decoding_eval` | Decoding summary and qualitative examples |
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+
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+ ## Phase 1 main metrics
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+
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+ Main ForesightLM-v2 result:
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+
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+ | metric | value |
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+ |---|---:|
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+ | LM loss | 3.9384 |
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+ | Future loss | 2.7180 |
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+ | Hard-negative margin gap | 0.0614 |
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+ | Hard-negative satisfied rate | 0.4107 |
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+
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+ ## Lambda hard-negative ablation
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+
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+ | lambda_hardneg | eval_lm ↓ | eval_future ↓ | hardneg_gap ↑ | satisfied ↑ |
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+ |---:|---:|---:|---:|---:|
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+ | 0.05 | 3.9385 | 2.7214 | 0.0512 | 0.3571 |
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+ | 0.10 | 3.9384 | 2.7180 | 0.0614 | 0.4107 |
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+ | 0.20 | 3.9383 | 2.7148 | 0.0701 | 0.4643 |
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+ The small ablation suggests that increasing the hard-negative weight from `0.10` to `0.20` improves held-out hard-negative separation while preserving language-modeling loss.
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+ ## Bootstrap robustness
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+ Paired bootstrap over prompt IDs suggests that calibrated v2 decoding robustly improves prompt relevance, topic drift, progression, semantic-loop rate, and prompt-drift rate relative to Core and baseline.
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+ Raw v2 improvements are directional but generally not conclusive under the paired bootstrap intervals.
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+ ## Important limitations
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+ These are Phase 1 research artifacts. The current evidence is limited to:
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+ - one main domain: WikiText-103
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+ - one primary seed
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+ - small ablation scale
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+ - automatic coherence indicators rather than full human evaluation
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+ The results should be interpreted cautiously. ForesightLM does not solve long-form coherence; Phase 1 only suggests that self-loop hard negatives may provide a useful calibration signal.
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+ ## GitHub
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+ Code and compact result artifacts are available on GitHub:
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+ https://github.com/Ahmet2001/foresightLM
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+ Current pushed branch:
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+ `v2-self-loop-fixes`
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+ ## Citation
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+ If you use these artifacts, please cite the ForesightLM Phase 1 workshop paper once available.