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7.39 kB
| #!/usr/bin/env python3 | |
| """Deterministic stratum profiler for a Tier-2 disfluency dataset. | |
| Answers three questions that a schema/roundtrip QA gate cannot: | |
| 1. Which disfluency archetypes are actually represented, and in what quantity? | |
| 2. How much of the DISFLUENCY half is machine-substituted filler (not human speech)? | |
| 3. Which trivial surface features predict the CLEAN/DISFLUENCY label? | |
| (A dataset that a one-line rule solves is degenerate and must be rejected.) | |
| Usage: | |
| venv/bin/python sandbox/scripts/profile_disfluency.py <dataset.jsonl> [--filler-bank PATH] | |
| Exit code 0 always; this is a reporter, not a gate. Gate thresholds live in qa_gate.py. | |
| """ | |
| import argparse | |
| import json | |
| import re | |
| import sys | |
| from collections import Counter | |
| sys.path.insert(0, "/opt/vox/sandbox/scripts") | |
| from dedup import already_gone_by_tier1 | |
| # --- Archetype cues ----------------------------------------------------------- | |
| # TRUE self-correction: speaker audibly abandons one plan and states another. | |
| # "I mean" is deliberately NOT here — in this corpus it is overwhelmingly a | |
| # parenthetical hedge ("..., I mean, it was classic TREK"), i.e. a filler. | |
| SUPERSESSION_CUE = re.compile( | |
| r"\b(wait no|no wait|scratch that|sorry|correction|i apologize|my mistake|" | |
| r"or instead|make that|i said|actually)\b", re.I) | |
| # Filler that survives Tier 1 and is genuinely ambiguous (delete vs keep). | |
| FILLER_PHRASE = re.compile( | |
| r"^[\s,.]*(" | |
| r"well|so|so then|and so|like|anyway|basically|right|okay|ok|alright|now|oh|yeah|" | |
| r"you know|you see|i mean|i guess|i think|kind of|sort of|pretty much|" | |
| r"of course|naturally|honestly|seriously|to be honest|by the way|whatever|" | |
| r"i mean that|i dont know|dunno|you get it|that said|in fact|indeed|" | |
| r"at least|well then|well i|anyways|anyhow" | |
| r")[\s,.]*$", re.I) | |
| WORD = re.compile(r"[A-Za-z0-9']+") | |
| def words(text): | |
| return [w.lower() for w in WORD.findall(text)] | |
| def classify(raw, span): | |
| """Assign one deterministic archetype to a single span.""" | |
| text = span["text"] | |
| before = raw[: span["span"][0]] | |
| sw = words(text) | |
| # 0. Duplicates of upstream Tier 1 — must never appear in a Tier-2 dataset. | |
| if already_gone_by_tier1(raw, text): | |
| return "tier1_duplicate" | |
| # 1. Partial phrase echo ("The client, the client is waiting") — survives Tier 1 | |
| # because only *consecutive identical* tokens are collapsed upstream. | |
| if sw: | |
| bw = words(before) | |
| for k in range(min(len(sw), 6), 0, -1): | |
| if len(bw) >= k and bw[-k:] == sw[:k]: | |
| return "repetition" | |
| # 2. True supersession: a correction cue governs material that gets dropped. | |
| if SUPERSESSION_CUE.search(text): | |
| return "supersession" | |
| # 3. Filler / discourse marker: bare hesitation, no propositional content. | |
| if FILLER_PHRASE.match(text.strip(" ,.")): | |
| return "filler" | |
| # 4. Everything else is an abandoned stem / false start. | |
| return "false_start" | |
| def main(): | |
| ap = argparse.ArgumentParser() | |
| ap.add_argument("dataset") | |
| ap.add_argument("--filler-bank", default="/opt/vox/sandbox/corpus/filler_bank.json") | |
| ap.add_argument("--sample", type=int, default=0, help="report only the first N CLEAN spans") | |
| args = ap.parse_args() | |
| bank = set() | |
| try: | |
| with open(args.filler_bank) as f: | |
| bank = {s.lower().strip().strip(",. ") for s in json.load(f)} | |
| except Exception: | |
| pass | |
| rows = [json.loads(l) for l in open(args.dataset) if l.strip()] | |
| clean = [r for r in rows if r["category"] == "CLEAN"] | |
| dis = [r for r in rows if r["category"] == "DISFLUENCY"] | |
| spans = [(r, s) for r in dis for s in r["spans"]] | |
| print(f"dataset: {args.dataset}") | |
| print(f"rows: {len(rows)} CLEAN: {len(clean)} DISFLUENCY: {len(dis)} spans: {len(spans)}") | |
| # --- 1. Archetype coverage ------------------------------------------------- | |
| arche = Counter(classify(r["raw_text"], s) for r, s in spans) | |
| print("\n[1] ARCHETYPE COVERAGE (spans)") | |
| for k, v in arche.most_common(): | |
| print(f" {k:12s} {v:6d} {round(100 * v / max(len(spans), 1), 1):5.1f}%") | |
| # --- 2. Machine-substituted filler vs human speech ------------------------- | |
| if bank: | |
| n_bank = sum(1 for _, s in spans if s["text"].lower().strip().strip(",. ") in bank) | |
| bank_by_arche = Counter( | |
| classify(r["raw_text"], s) for r, s in spans | |
| if s["text"].lower().strip().strip(",. ") in bank) | |
| print("\n[2] MACHINE-SUBSTITUTED FILLER (span text == filler_bank entry)") | |
| print(f" {n_bank}/{len(spans)} spans ({round(100 * n_bank / max(len(spans), 1), 1)}%)") | |
| for k, v in bank_by_arche.most_common(): | |
| print(f" as {k:12s} {v:6d}") | |
| # --- 3. Span geometry ----------------------------------------------------- | |
| lead = sum(1 for _, s in spans if s["span"][0] == 0) | |
| internal = sum(1 for _, s in spans if re.search(r"[.?!]\s+[A-Z]", s["text"])) | |
| multi_sent = sum(1 for r in dis if re.search(r"[.?!]\s+[A-Z]", r["raw_text"])) | |
| print("\n[3] SHAPE (must match production: ONE closed sentence per example)") | |
| print(f" examples spanning >1 sentence : {multi_sent}/{len(dis)}" | |
| f" ({round(100 * multi_sent / max(len(dis), 1), 1)}%)") | |
| print(f" spans starting at char 0 : {lead}/{len(spans)}" | |
| f" ({round(100 * lead / max(len(spans), 1), 1)}%)") | |
| print(f" spans containing a sentence break : {internal}/{len(spans)}") | |
| # --- 4. Trivial-feature baselines ----------------------------------------- | |
| wl_c = sorted(len(r["raw_text"].split()) for r in clean) | |
| wl_d = sorted(len(r["raw_text"].split()) for r in dis) | |
| med = lambda v: v[len(v) // 2] if v else 0 | |
| print("\n[4] LENGTH DISTRIBUTION") | |
| print(f" CLEAN words median {med(wl_c):3d} p90 {wl_c[int(len(wl_c) * .9)] if wl_c else 0:3d}") | |
| print(f" DISFLUENCY words median {med(wl_d):3d} p90 {wl_d[int(len(wl_d) * .9)] if wl_d else 0:3d}") | |
| def acc(pred): | |
| return round(100 * sum(1 for r in rows | |
| if (r["category"] == "DISFLUENCY") == pred(r["raw_text"])) | |
| / max(len(rows), 1), 1) | |
| best = max(((acc(lambda t, w=w: len(t.split()) >= w), w) | |
| for w in range(3, 40)), default=(0, 0)) | |
| opener = re.compile(r"^\W*(well|yeah|oh|so|okay|ok|right|alright|now)\b", re.I) | |
| cue = re.compile(r"\b(you know|i mean|you see|i guess|sort of|kind of)\b", re.I) | |
| print("\n[5] TRIVIAL BASELINES (no model). A degenerate dataset scores high here.") | |
| print(f" always CLEAN : {acc(lambda t: False)}%") | |
| print(f" best word-count stump (>= {best[1]:2d} words) : {best[0]}%") | |
| print(f" sentence-opener OR cue marker : " | |
| f"{acc(lambda t: bool(opener.match(t)) or bool(cue.search(t)))}%") | |
| print(f" combined : " | |
| f"{acc(lambda t: len(t.split()) >= best[1] or bool(opener.match(t)) or bool(cue.search(t)))}%") | |
| # --- 6. Hard-negative coverage ------------------------------------------- | |
| if args.sample: | |
| bank_hits = sum(1 for r in clean[: args.sample] | |
| if any(b in r["raw_text"].lower() for b in bank)) | |
| print(f"\n[6] first {args.sample} CLEAN examples containing a filler_bank phrase: {bank_hits}") | |
| if __name__ == "__main__": | |
| sys.exit(main()) | |