README.md

metadata

license: cc-by-4.0
task_categories:
  - text-classification
task_ids:
  - multi-class-classification
language:
  - ja
multilinguality:
  - monolingual
size_categories:
  - n<1K
pretty_name: HaikuSeasonClassification
tags:
  - poetry
  - japanese
  - haiku
  - season-classification
  - kigo
  - mteb
  - poetrymteb
  - embedding-evaluation
annotations_creators:
  - expert-generated
source_datasets:
  - shigr3/haiku
configs:
  - config_name: default
    data_files:
      - split: train
        path: data/train-*
      - split: test
        path: data/test-*
    default: true
dataset_info:
  - config_name: default
    features:
      - name: id
        dtype: string
      - name: poem
        dtype: string
      - name: author
        dtype: string
      - name: season_word
        dtype: string
      - name: label
        dtype: int64
      - name: label_name
        dtype: string
    splits:
      - name: train
        num_examples: 113
      - name: test
        num_examples: 29

HaikuSeasonClassification

Single-label Japanese haiku season classification (春/夏/秋/冬) for PoetryMTEB, derived from shigr3/haiku.

Dataset Card

Item	Description
Source	shigr3/haiku
Languages	Japanese (ja)
Unit	Haiku text (poem)
Classes	4 seasons
Size	train=113; test=29
Splits	Stratified by season ≈ 80% / 20%, seed=42
License	CC BY 4.0 (same as upstream)
Evaluation metrics	Classification on embeddings: accuracy, macro/weighted F1

Label taxonomy (4)

id	label_name	English	romanization	train	test	total
0	春	Spring	haru	28	7	35
1	夏	Summer	natsu	30	8	38
2	秋	Autumn	aki	27	7	34
3	冬	Winter	fuyu	28	7	35

Features

Field	Type	Description
id	string	Example id
poem	string	Haiku body
author	string	Poet
season_word	string	Kigo (季語); metadata, not the classification target
label	int64	Season class 0–3
label_name	string	春 / 夏 / 秋 / 冬

Attribution

Dataset: Famous Japanese Haiku Dataset — author shigr3 — https://huggingface.co/datasets/shigr3/haiku