Triple

T21748545
Position Surface form Disambiguated ID Type / Status
Subject Tonghua E536849 entity
Predicate hasRailway P848 FINISHED
Object Changchun–Baishan railway NE NERFINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Changchun–Baishan railway | Statement: [Tonghua, hasRailway, Changchun–Baishan railway]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Changchun–Baishan railway
Context triple: [Tonghua, hasRailway, Changchun–Baishan railway]
  • A. Changchun–Tumen railway
    The Changchun–Tumen railway is a major rail line in Northeast China that links the inland city of Changchun with the border city of Tumen, serving as an important corridor for regional transport and trade.
  • B. Shenyang–Jilin Railway
    The Shenyang–Jilin Railway is a major rail line in northeastern China that connects the cities of Shenyang and Jilin, serving as an important corridor for regional passenger and freight transport.
  • C. Harbin–Jiamusi railway
    The Harbin–Jiamusi railway is a major rail line in northeastern China that connects the regional hub of Harbin with the city of Jiamusi, supporting both passenger and freight transport across Heilongjiang Province.
  • D. Changchun–Dalian railway corridor
    The Changchun–Dalian railway corridor is a major rail route in Northeast China that connects the inland city of Changchun with the coastal port city of Dalian, serving as an important passenger and freight transport artery in the region.
  • E. Siping–Qiqihar railway
    The Siping–Qiqihar railway is a major rail line in northeastern China that links the city of Siping in Jilin Province with Qiqihar in Heilongjiang, serving as an important corridor for regional transportation and economic activity.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Changchun–Baishan railway
Target entity description: The Changchun–Baishan railway is a regional rail line in northeastern China that connects major cities in Jilin Province, supporting both passenger and freight transport across the area’s mountainous terrain.
  • A. Changchun–Tumen railway
    The Changchun–Tumen railway is a major rail line in Northeast China that links the inland city of Changchun with the border city of Tumen, serving as an important corridor for regional transport and trade.
  • B. Shenyang–Jilin Railway
    The Shenyang–Jilin Railway is a major rail line in northeastern China that connects the cities of Shenyang and Jilin, serving as an important corridor for regional passenger and freight transport.
  • C. Harbin–Jiamusi railway
    The Harbin–Jiamusi railway is a major rail line in northeastern China that connects the regional hub of Harbin with the city of Jiamusi, supporting both passenger and freight transport across Heilongjiang Province.
  • D. Changchun–Dalian railway corridor
    The Changchun–Dalian railway corridor is a major rail route in Northeast China that connects the inland city of Changchun with the coastal port city of Dalian, serving as an important passenger and freight transport artery in the region.
  • E. Siping–Qiqihar railway
    The Siping–Qiqihar railway is a major rail line in northeastern China that links the city of Siping in Jilin Province with Qiqihar in Heilongjiang, serving as an important corridor for regional transportation and economic activity.
  • F. None of above. chosen

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69e0c46eab808190b848242d63a17c47 elicitation completed
NER batch_69f01a77e19c81909bf26f96aa41a7ce ner completed
Created at: April 16, 2026, 6:50 p.m.