HSClassify-benchmark / benchmark_results.json
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Initial benchmark suite: 78 test cases, evaluation script, baseline results
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{
"timestamp": "2026-02-24T20:46:17",
"benchmark": {
"total_cases": 78,
"in_label_space_cases": 70,
"overall": {
"top1_accuracy": 0.7949,
"top3_accuracy": 0.8205,
"top5_accuracy": 0.8333,
"chapter_accuracy": 0.8974
},
"in_label_space": {
"top1_accuracy": 0.8857,
"top3_accuracy": 0.9143,
"top5_accuracy": 0.9286,
"chapter_accuracy": 0.9571
},
"by_category": {
"easy": {
"total": 27,
"top1": 26,
"top3": 27,
"top5": 27,
"chapter": 27,
"top1_acc": 0.9629629629629629,
"top3_acc": 1.0,
"top5_acc": 1.0,
"chapter_acc": 1.0
},
"edge_case": {
"total": 21,
"top1": 15,
"top3": 16,
"top5": 17,
"chapter": 18,
"top1_acc": 0.7142857142857143,
"top3_acc": 0.7619047619047619,
"top5_acc": 0.8095238095238095,
"chapter_acc": 0.8571428571428571
},
"multilingual": {
"total": 20,
"top1": 20,
"top3": 20,
"top5": 20,
"chapter": 20,
"top1_acc": 1.0,
"top3_acc": 1.0,
"top5_acc": 1.0,
"chapter_acc": 1.0
},
"known_failure": {
"total": 10,
"top1": 1,
"top3": 1,
"top5": 1,
"chapter": 5,
"top1_acc": 0.1,
"top3_acc": 0.1,
"top5_acc": 0.1,
"chapter_acc": 0.5
}
},
"by_language": {
"en": {
"total": 58,
"top1": 42,
"top3": 44,
"top5": 45,
"top1_acc": 0.7241379310344828,
"top3_acc": 0.7586206896551724,
"top5_acc": 0.7758620689655172
},
"th": {
"total": 7,
"top1": 7,
"top3": 7,
"top5": 7,
"top1_acc": 1.0,
"top3_acc": 1.0,
"top5_acc": 1.0
},
"vi": {
"total": 7,
"top1": 7,
"top3": 7,
"top5": 7,
"top1_acc": 1.0,
"top3_acc": 1.0,
"top5_acc": 1.0
},
"zh": {
"total": 6,
"top1": 6,
"top3": 6,
"top5": 6,
"top1_acc": 1.0,
"top3_acc": 1.0,
"top5_acc": 1.0
}
},
"failures": [
{
"text": "polyethylene pellets LDPE",
"expected": "390110",
"predicted": "392321",
"confidence": 0.8091,
"category": "easy",
"language": "en",
"top5": [
"392321",
"390110",
"950490",
"300490",
"220830"
],
"notes": "common plastic resin"
},
{
"text": "medicine",
"expected": "300490",
"predicted": "300220",
"confidence": 1.0,
"category": "edge_case",
"language": "en",
"top5": [
"300220",
"950490",
"310520",
"220830",
"240120"
],
"notes": "extremely generic"
},
{
"text": "paper",
"expected": "480256",
"predicted": "481910",
"confidence": 1.0,
"category": "edge_case",
"language": "en",
"top5": [
"481910",
"310520",
"220830",
"240120",
"252329"
],
"notes": "very generic"
},
{
"text": "Nespresso coffee capsules",
"expected": "210111",
"predicted": "090111",
"confidence": 0.4046,
"category": "edge_case",
"language": "en",
"top5": [
"090111",
"300220",
"740311",
"210111",
"310520"
],
"notes": "branded coffee product"
},
{
"text": "USB-C charging cable",
"expected": "854239",
"predicted": "850760",
"confidence": 0.2069,
"category": "edge_case",
"language": "en",
"top5": [
"850760",
"847170",
"850440",
"870899",
"870332"
],
"notes": "tech accessory"
},
{
"text": "stainless steel bolts M10",
"expected": "730890",
"predicted": "760120",
"confidence": 0.2081,
"category": "edge_case",
"language": "en",
"top5": [
"760120",
"901890",
"730890",
"220830",
"720917"
],
"notes": "metal hardware"
},
{
"text": "yoga pants women polyester",
"expected": "620462",
"predicted": "611030",
"confidence": 1.0,
"category": "edge_case",
"language": "en",
"top5": [
"611030",
"950490",
"310520",
"220830",
"240120"
],
"notes": "modern clothing description"
},
{
"text": "English breakfast tea",
"expected": "090240",
"predicted": "090210",
"confidence": 0.8007,
"category": "known_failure",
"language": "en",
"top5": [
"090210",
"392321",
"950490",
"220830",
"240120"
],
"notes": "black tea - code 090240 not in label space"
},
{
"text": "oolong tea leaves 100g",
"expected": "090230",
"predicted": "090210",
"confidence": 0.6064,
"category": "known_failure",
"language": "en",
"top5": [
"090210",
"220300",
"392321",
"950490",
"220830"
],
"notes": "semi-fermented tea - code 090230 not in label space"
},
{
"text": "chamomile herbal tea bags",
"expected": "121190",
"predicted": "392321",
"confidence": 0.6013,
"category": "known_failure",
"language": "en",
"top5": [
"392321",
"090210",
"950490",
"220830",
"240120"
],
"notes": "herbal infusion - not tea chapter - not in label space"
},
{
"text": "fresh avocado",
"expected": "080440",
"predicted": "080810",
"confidence": 1.0,
"category": "known_failure",
"language": "en",
"top5": [
"080810",
"950490",
"310520",
"220830",
"240120"
],
"notes": "avocado code 080440 not in label space"
},
{
"text": "quinoa grain organic",
"expected": "100850",
"predicted": "080810",
"confidence": 0.3905,
"category": "known_failure",
"language": "en",
"top5": [
"080810",
"100630",
"080510",
"070200",
"950490"
],
"notes": "quinoa code 100850 not in label space"
},
{
"text": "soy sauce 500ml bottle",
"expected": "210390",
"predicted": "220300",
"confidence": 0.4237,
"category": "known_failure",
"language": "en",
"top5": [
"220300",
"300490",
"150710",
"950490",
"220830"
],
"notes": "soy sauce code 210390 not in label space"
},
{
"text": "hand sanitizer gel 70% alcohol",
"expected": "380894",
"predicted": "290531",
"confidence": 1.0,
"category": "known_failure",
"language": "en",
"top5": [
"290531",
"950490",
"310520",
"220830",
"240120"
],
"notes": "sanitizer code 380894 not in label space"
},
{
"text": "drone with 4K camera",
"expected": "880211",
"predicted": "852580",
"confidence": 0.6108,
"category": "known_failure",
"language": "en",
"top5": [
"852580",
"852872",
"870323",
"950490",
"290531"
],
"notes": "UAV code not in label space"
},
{
"text": "solar panel 400W monocrystalline",
"expected": "854140",
"predicted": "850440",
"confidence": 0.4031,
"category": "known_failure",
"language": "en",
"top5": [
"850440",
"850760",
"870380",
"853400",
"290531"
],
"notes": "maps to photosensitive devices - often misclassified"
}
],
"n_failures": 16
},
"timing": {
"model_load_s": 3.93,
"benchmark_s": 1.24,
"total_s": 6.59
},
"split_analysis": {
"test_accuracy": 0.7721,
"weighted_f1": 0.7703,
"macro_f1": 0.8107,
"n_train": 7863,
"n_test": 1966,
"worst_15_by_f1": [
{
"hs_code": "870332",
"desc": "Diesel motor cars, 1500-2500cc",
"precision": 0.2958,
"recall": 0.2471,
"f1": 0.2692,
"support": 85
},
{
"hs_code": "271019",
"desc": "Other medium petroleum oils",
"precision": 0.5,
"recall": 0.2222,
"f1": 0.3077,
"support": 9
},
{
"hs_code": "870323",
"desc": "Motor cars, 1500-3000cc",
"precision": 0.2991,
"recall": 0.3465,
"f1": 0.3211,
"support": 101
},
{
"hs_code": "854239",
"desc": "Other electronic integrated circuits",
"precision": 0.5,
"recall": 0.25,
"f1": 0.3333,
"support": 12
},
{
"hs_code": "870324",
"desc": "Motor cars, >3000cc",
"precision": 0.4839,
"recall": 0.5263,
"f1": 0.5042,
"support": 57
},
{
"hs_code": "890190",
"desc": "Other cargo vessels",
"precision": 0.4211,
"recall": 0.6667,
"f1": 0.5161,
"support": 12
},
{
"hs_code": "843149",
"desc": "Other parts of cranes",
"precision": 0.6667,
"recall": 0.4444,
"f1": 0.5333,
"support": 18
},
{
"hs_code": "870899",
"desc": "Other parts for motor vehicles",
"precision": 0.5333,
"recall": 0.5333,
"f1": 0.5333,
"support": 15
},
{
"hs_code": "271600",
"desc": "Electrical energy",
"precision": 0.6,
"recall": 0.6,
"f1": 0.6,
"support": 10
},
{
"hs_code": "271012",
"desc": "Light petroleum oils",
"precision": 0.5833,
"recall": 0.6364,
"f1": 0.6087,
"support": 11
},
{
"hs_code": "120190",
"desc": "Soya beans, other",
"precision": 0.8571,
"recall": 0.5,
"f1": 0.6316,
"support": 12
},
{
"hs_code": "380891",
"desc": "Insecticides",
"precision": 1.0,
"recall": 0.4615,
"f1": 0.6316,
"support": 13
},
{
"hs_code": "901890",
"desc": "Other medical instruments",
"precision": 0.7143,
"recall": 0.5769,
"f1": 0.6383,
"support": 26
},
{
"hs_code": "847330",
"desc": "Parts and accessories for computers",
"precision": 0.8889,
"recall": 0.5,
"f1": 0.64,
"support": 16
},
{
"hs_code": "940180",
"desc": "Other seats",
"precision": 0.6667,
"recall": 0.6154,
"f1": 0.64,
"support": 13
}
],
"top_20_cross_chapter_confusions": [
{
"true_code": "040120",
"pred_code": "020130",
"true_chapter": "Dairy",
"pred_chapter": "Meat",
"count": 3
},
{
"true_code": "840734",
"pred_code": "870323",
"true_chapter": "Machinery",
"pred_chapter": "Vehicles",
"count": 3
},
{
"true_code": "901890",
"pred_code": "843149",
"true_chapter": "Medical",
"pred_chapter": "Machinery",
"count": 3
},
{
"true_code": "120190",
"pred_code": "100199",
"true_chapter": "Oil Seeds",
"pred_chapter": "Cereals",
"count": 2
},
{
"true_code": "200990",
"pred_code": "190531",
"true_chapter": "Food Preparations",
"pred_chapter": "Food Preparations",
"count": 2
},
{
"true_code": "270900",
"pred_code": "070200",
"true_chapter": "Mineral Fuels",
"pred_chapter": "Vegetables",
"count": 2
},
{
"true_code": "271012",
"pred_code": "870323",
"true_chapter": "Mineral Fuels",
"pred_chapter": "Vehicles",
"count": 2
},
{
"true_code": "271019",
"pred_code": "151190",
"true_chapter": "Mineral Fuels",
"pred_chapter": "Oils",
"count": 2
},
{
"true_code": "730890",
"pred_code": "392321",
"true_chapter": "Steel",
"pred_chapter": "Plastics",
"count": 2
},
{
"true_code": "730890",
"pred_code": "890190",
"true_chapter": "Steel",
"pred_chapter": "Ships",
"count": 2
},
{
"true_code": "840734",
"pred_code": "870324",
"true_chapter": "Machinery",
"pred_chapter": "Vehicles",
"count": 2
},
{
"true_code": "843149",
"pred_code": "392321",
"true_chapter": "Machinery",
"pred_chapter": "Plastics",
"count": 2
},
{
"true_code": "843149",
"pred_code": "730890",
"true_chapter": "Machinery",
"pred_chapter": "Steel",
"count": 2
},
{
"true_code": "850760",
"pred_code": "870380",
"true_chapter": "Electronics",
"pred_chapter": "Vehicles",
"count": 2
},
{
"true_code": "853400",
"pred_code": "392010",
"true_chapter": "Electronics",
"pred_chapter": "Plastics",
"count": 2
},
{
"true_code": "870899",
"pred_code": "842199",
"true_chapter": "Vehicles",
"pred_chapter": "Machinery",
"count": 2
},
{
"true_code": "901890",
"pred_code": "870899",
"true_chapter": "Medical",
"pred_chapter": "Vehicles",
"count": 2
},
{
"true_code": "030617",
"pred_code": "847170",
"true_chapter": "Fish",
"pred_chapter": "Electronics",
"count": 1
},
{
"true_code": "040120",
"pred_code": "340111",
"true_chapter": "Dairy",
"pred_chapter": "Cosmetics",
"count": 1
},
{
"true_code": "040690",
"pred_code": "220300",
"true_chapter": "Dairy",
"pred_chapter": "Beverages",
"count": 1
}
]
}
}