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The dataset generation failed because of a cast error
Error code:   DatasetGenerationCastError
Exception:    DatasetGenerationCastError
Message:      An error occurred while generating the dataset

All the data files must have the same columns, but at some point there are 10 new columns ({'score_3', 'retrieved_2', 'score_1', 'query_id', 'retrieved_3', 'retrieved_1', 'query', 'score_2', 'expected_policy_id', 'rank'}) and 2 missing columns ({'queries', 'hit_rate'}).

This happened while the csv dataset builder was generating data using

hf://datasets/ranzouu/retrieval-benchmark-ptbr/runs/benchmark_errors.csv (at revision 1c3a4079f2c10b7605f2e08eb03c7d1d3d2fa2f5), ['hf://datasets/ranzouu/retrieval-benchmark-ptbr@1c3a4079f2c10b7605f2e08eb03c7d1d3d2fa2f5/runs/benchmark_by_niche.csv', 'hf://datasets/ranzouu/retrieval-benchmark-ptbr@1c3a4079f2c10b7605f2e08eb03c7d1d3d2fa2f5/runs/benchmark_errors.csv', 'hf://datasets/ranzouu/retrieval-benchmark-ptbr@1c3a4079f2c10b7605f2e08eb03c7d1d3d2fa2f5/runs/benchmark_runs.csv', 'hf://datasets/ranzouu/retrieval-benchmark-ptbr@1c3a4079f2c10b7605f2e08eb03c7d1d3d2fa2f5/runs/benchmark_summary.csv']

Please either edit the data files to have matching columns, or separate them into different configurations (see docs at https://hf.co/docs/hub/datasets-manual-configuration#multiple-configurations)
Traceback:    Traceback (most recent call last):
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1856, in _prepare_split_single
                  writer.write_table(table)
                  ~~~~~~~~~~~~~~~~~~^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/arrow_writer.py", line 811, in write_table
                  self._write_table(pa_table, writer_batch_size=writer_batch_size)
                  ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/arrow_writer.py", line 822, in _write_table
                  pa_table = table_cast(pa_table, self._schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2381, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2309, in cast_table_to_schema
                  raise CastError(
                  ...<3 lines>...
                  )
              datasets.table.CastError: Couldn't cast
              query_id: string
              niche: string
              query: string
              expected_policy_id: string
              retrieved_1: string
              retrieved_2: string
              retrieved_3: string
              score_1: double
              score_2: double
              score_3: double
              hit_at_3: int64
              rank: int64
              mrr_at_3: double
              -- schema metadata --
              pandas: '{"index_columns": [{"kind": "range", "name": null, "start": 0, "' + 1795
              to
              {'niche': Value('string'), 'queries': Value('int64'), 'hit_at_3': Value('int64'), 'hit_rate': Value('float64'), 'mrr_at_3': Value('float64')}
              because column names don't match
              
              During handling of the above exception, another exception occurred:
              
              Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1379, in compute_config_parquet_and_info_response
                  parquet_operations, partial, estimated_dataset_info = stream_convert_to_parquet(
                                                                        ~~~~~~~~~~~~~~~~~~~~~~~~~^
                      builder, max_dataset_size_bytes=max_dataset_size_bytes
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  )
                  ^
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 956, in stream_convert_to_parquet
                  builder._prepare_split(split_generator=splits_generators[split], file_format="parquet")
                  ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1702, in _prepare_split
                  for job_id, done, content in self._prepare_split_single(
                                               ~~~~~~~~~~~~~~~~~~~~~~~~~~^
                      gen_kwargs=gen_kwargs, job_id=job_id, **_prepare_split_args
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  ):
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1858, in _prepare_split_single
                  raise DatasetGenerationCastError.from_cast_error(
                  ...<4 lines>...
                  )
              datasets.exceptions.DatasetGenerationCastError: An error occurred while generating the dataset
              
              All the data files must have the same columns, but at some point there are 10 new columns ({'score_3', 'retrieved_2', 'score_1', 'query_id', 'retrieved_3', 'retrieved_1', 'query', 'score_2', 'expected_policy_id', 'rank'}) and 2 missing columns ({'queries', 'hit_rate'}).
              
              This happened while the csv dataset builder was generating data using
              
              hf://datasets/ranzouu/retrieval-benchmark-ptbr/runs/benchmark_errors.csv (at revision 1c3a4079f2c10b7605f2e08eb03c7d1d3d2fa2f5), ['hf://datasets/ranzouu/retrieval-benchmark-ptbr@1c3a4079f2c10b7605f2e08eb03c7d1d3d2fa2f5/runs/benchmark_by_niche.csv', 'hf://datasets/ranzouu/retrieval-benchmark-ptbr@1c3a4079f2c10b7605f2e08eb03c7d1d3d2fa2f5/runs/benchmark_errors.csv', 'hf://datasets/ranzouu/retrieval-benchmark-ptbr@1c3a4079f2c10b7605f2e08eb03c7d1d3d2fa2f5/runs/benchmark_runs.csv', 'hf://datasets/ranzouu/retrieval-benchmark-ptbr@1c3a4079f2c10b7605f2e08eb03c7d1d3d2fa2f5/runs/benchmark_summary.csv']
              
              Please either edit the data files to have matching columns, or separate them into different configurations (see docs at https://hf.co/docs/hub/datasets-manual-configuration#multiple-configurations)

Need help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.

niche
string
queries
int64
hit_at_3
int64
hit_rate
float64
mrr_at_3
float64
academia
2
2
1
1
autoescola
1
0
0
0
barbearia
2
2
1
1
clinica
2
2
1
1
costureira
1
0
0
0
crossfit
1
1
1
1
dentista
1
0
0
0
foodtruck
1
0
0
0
moda
2
2
1
1
oficina
2
2
1
1
padaria
2
2
1
1
papelaria
2
2
1
1
pet
2
2
1
1
restaurante
2
2
1
0.4166
salao
2
2
1
1
foodtruck
null
0
null
0
dentista
null
0
null
0
costureira
null
0
null
0
autoescola
null
0
null
0
academia
null
1
null
1
academia
null
1
null
1
pet
null
1
null
1
pet
null
1
null
1
restaurante
null
1
null
0.5
restaurante
null
1
null
0.3333
barbearia
null
1
null
1
barbearia
null
1
null
1
clinica
null
1
null
1
clinica
null
1
null
1
padaria
null
1
null
1
padaria
null
1
null
1
salao
null
1
null
1
salao
null
1
null
1
moda
null
1
null
1
moda
null
1
null
1
oficina
null
1
null
1
oficina
null
1
null
1
papelaria
null
1
null
1
papelaria
null
1
null
1
crossfit
null
1
null
1
foodtruck
null
0
null
0
dentista
null
0
null
0
costureira
null
0
null
0
autoescola
null
0
null
0
null
25
21
null
0.9444

Retrieval Benchmark PT-BR — políticas de prospecção (RAG)

Benchmark de retrieval em português com julgamentos explícitos: 25 queries, cada uma com uma política relevante identificada (expected_policy_id), contra um corpus de 10 documentos. Inclui as predições e métricas de um retriever lexical (TF-IDF de overlap de termos, top-3) já avaliado contra os julgamentos.

Faz parte do LeadForge RAG Lite — pipeline completo (ingestão → retrieval → geração → avaliação) no repositório.

Protocolo

  1. Corpus: 10 políticas de prospecção por nicho (academia, petshop, restaurante, barbearia, clínica veterinária, padaria, salão, moda, oficina, papelaria), 3–5 frases cada, PT-BR.
  2. Queries: 25 prints parafraseadas — 20 dentro do cardápio do corpus e 5 fora (crossfit, food truck, dentista, ateliê, autoescola), que não deveriam ter acerto. As queries compartilham vocabulário parcial com os documentos; não são cópia — o retriever precisa generalizar, não fazer match de string.
  3. Julgamento: uma política relevante por query (single-relevance), explícita no campo expected_policy_id.
  4. Retriever avaliado: retrieve() do pacote original — score de overlap lexical (termos com >3 caracteres presentes no documento), top-3.

Resultados

Métrica Valor
hit@3 21/25 = 0.84
MRR@3 (todas as queries) 0.793
MRR@3 (condicional aos hits) 0.944
  • Dentro do corpus: 20/20 em hit@3.
  • Fora do corpus: 1/5 (a query de crossfit acerta a política de academia por sobreposição lexical de "treino/aula" — acidente de vocabulário, não acerto semântico).
  • Por nicho, ver runs/benchmark_by_niche.csv. Destaque honesto: uma query de restaurante coloca o documento correto só no rank 3 (MRR do nicho 0.42) — o ranking lexical acerta o nicho e é instável em ordenar dentro dele.

Uso

import json, pandas as pd

corpus = pd.DataFrame(json.load(open("benchmark_policies.json")))
queries = pd.DataFrame(json.load(open("benchmark_queries.json")))
runs = pd.read_csv("runs/benchmark_runs.csv")
errors = pd.read_csv("runs/benchmark_errors.csv")

print(runs[["query_id", "expected_policy_id", "retrieved_1", "hit_at_3"]].head())
print(f"hit@3 = {runs['hit_at_3'].mean():.2%}")

Reproduzir com o pacote original:

git clone https://github.com/ranzouu/leadforge-rag-lite
cd leadforge-rag-lite && pip install -e .
python3 scripts/build_retrieval_benchmark.py

Arquivos

Arquivo Conteúdo
benchmark_policies.json corpus: 10 políticas {id, niche, title, content}
benchmark_queries.json 25 queries com julgamento expected_policy_id
runs/benchmark_runs.csv por query: top-3 recuperado, scores, hit@3, rank, MRR@3
runs/benchmark_errors.csv as queries que falharam e o que veio no lugar
runs/benchmark_summary.csv hit@3 e MRR@3 agregados
runs/benchmark_by_niche.csv métricas por nicho
scripts/build_retrieval_benchmark.py construtor (corpus + queries + avaliação)
LICENSE MIT

Limitações (leia antes de usar)

  • Retrieval lexical por design (overlap de termos). As falhas nas queries fora do corpus são a limitação conhecida desse método — semântica exige embeddings/LLM, que é o próximo passo natural, não um defeito do benchmark.
  • Julgamento único por query (uma política relevante). Benchmarks de IR completos usam relevância graduada (0–3) e múltiplos relevantes por query — aqui o escopo é demonstrar o protocolo de medição.
  • Corpus pequeno (10 documentos) e de domínio específico (prospecção SMB PT-BR). Os números valem para este protocolo, não como ranking geral de retrievers.
  • As queries fora do corpus estão rotuladas com a política "mais próxima" apenas para inspeção dos erros; o acerto nelas não conta como sucesso semântico.
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