======================================================================
NER PII Benchmark — NerGuard Hybrid V2 (deepseek-r1:14b) × nvidia-pii
======================================================================

Tier: 2
Evaluated labels: 16
  System labels: 20
  Dataset labels: 54
  Mapping applied: True

Samples: 1000
Tokens: 135894

--- Token-Level Metrics ---
  Precision (macro/micro/weighted): 0.4799 / 0.6459 / 0.7525
  Recall    (macro/micro/weighted): 0.6082 / 0.7570 / 0.7570
  F1        (macro/micro/weighted): 0.5008 / 0.6970 / 0.7282

--- Entity-Level Metrics (seqeval) ---
  Precision: 0.5933
  Recall:    0.7451
  F1:        0.6606

--- Latency ---
  Mean:   7566.13 ms
  Median: 5696.02 ms
  P95:    25121.91 ms
  P99:    40831.08 ms
  Throughput: 0.1 samples/sec

--- Per-Entity F1 Scores ---
  B-date_of_birth                P=1.0000  R=1.0000  F1=1.0000  (n=131.0)
  I-credit_debit_card            P=0.9769  R=0.9270  F1=0.9513  (n=274.0)
  B-email                        P=0.7946  R=0.9474  F1=0.8643  (n=494.0)
  B-credit_debit_card            P=0.7317  R=0.9474  F1=0.8257  (n=95.0)
  B-date                         P=0.7935  R=0.8525  F1=0.8219  (n=712.0)
  B-time                         P=0.8293  R=0.7861  F1=0.8071  (n=173.0)
  B-last_name                    P=0.9428  R=0.6542  F1=0.7724  (n=428.0)
  I-phone_number                 P=0.6379  R=0.9231  F1=0.7544  (n=208.0)
  B-first_name                   P=0.8067  R=0.6874  F1=0.7423  (n=595.0)
  I-time                         P=0.9643  R=0.5806  F1=0.7248  (n=93.0)
  I-date                         P=0.8844  R=0.6132  F1=0.7242  (n=212.0)
  I-street_address               P=0.9963  R=0.5658  F1=0.7217  (n=479.0)
  B-age                          P=0.5000  R=1.0000  F1=0.6667  (n=37.0)
  B-city                         P=0.5128  R=0.7583  F1=0.6119  (n=211.0)
  B-ssn                          P=0.4571  R=0.9231  F1=0.6115  (n=52.0)
  B-phone_number                 P=0.3957  R=0.9634  F1=0.5609  (n=246.0)
  B-postcode                     P=0.3750  R=0.9375  F1=0.5357  (n=96.0)
  I-last_name                    P=0.3333  R=1.0000  F1=0.5000  (n=1.0)
  I-city                         P=0.2540  R=0.7273  F1=0.3765  (n=44.0)
  B-street_address               P=0.3187  R=0.3169  F1=0.3178  (n=183.0)
  I-postcode                     P=0.2000  R=0.5000  F1=0.2857  (n=2.0)
  B-tax_id                       P=0.0932  R=0.5000  F1=0.1571  (n=22.0)
  B-certificate_license_number   P=0.0900  R=0.3256  F1=0.1411  (n=86.0)
  I-first_name                   P=0.0278  R=0.2000  F1=0.0488  (n=5.0)
  B-gender                       P=0.0000  R=0.0000  F1=0.0000  (n=36.0)
  I-certificate_license_number   P=0.0000  R=0.0000  F1=0.0000  (n=5.0)
  I-email                        P=0.0000  R=0.0000  F1=0.0000  (n=1.0)
  I-ssn                          P=0.0000  R=0.0000  F1=0.0000  (n=0.0)
  I-tax_id                       P=0.0000  R=0.0000  F1=0.0000  (n=1.0)

--- Per-Length Bucket ---
  short   : F1=0.7393 (n=9)
  medium  : F1=0.5494 (n=238)
  long    : F1=0.5102 (n=753)

--- Error Summary ---
  False positives: 110
  False negatives: 500