Triple

T18868951
Position Surface form Disambiguated ID Type / Status
Subject HRT E461516 entity
Predicate hasLine P35 FINISHED
Object Hefei Metro Line 2
Hefei Metro Line 2 is a rapid transit line of the Hefei Metro system in Hefei, Anhui Province, China, providing east–west urban rail service across the city.
 E1350687 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: Hefei Metro Line 2 | Statement: [HRT, hasLine, Hefei Metro Line 2]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hefei Metro Line 2
Context triple: [HRT, hasLine, Hefei Metro Line 2]
  • A. Hefei Metro Line 1
    Hefei Metro Line 1 is a rapid transit line forming part of the Hefei Rail Transit system in Hefei, China.
  • B. Hefei Metro Line 5
    Hefei Metro Line 5 is a rapid transit line serving key north–south corridors within the city of Hefei, China, as part of its expanding urban subway network.
  • C. Hefei Metro Line 7
    Hefei Metro Line 7 is a planned rapid transit line in Hefei, China, that is currently under construction as part of the city’s expanding urban rail network.
  • D. Hefei Metro Line 6
    Hefei Metro Line 6 is a planned rapid transit line in Hefei, China, currently under construction as part of the city’s expanding urban rail network.
  • E. Hefei Metro
    Hefei Metro is the rapid transit system serving Hefei, the capital city of China’s Anhui Province, providing urban rail transportation across the metropolitan area.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Hefei Metro Line 2
Triple: [HRT, hasLine, Hefei Metro Line 2]
Generated description
Hefei Metro Line 2 is a rapid transit line of the Hefei Metro system in Hefei, Anhui Province, China, providing east–west urban rail service across the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Hefei Metro Line 2
Target entity description: Hefei Metro Line 2 is a rapid transit line of the Hefei Metro system in Hefei, Anhui Province, China, providing east–west urban rail service across the city.
  • A. Hefei Metro Line 1
    Hefei Metro Line 1 is a rapid transit line forming part of the Hefei Rail Transit system in Hefei, China.
  • B. Hefei Metro Line 5
    Hefei Metro Line 5 is a rapid transit line serving key north–south corridors within the city of Hefei, China, as part of its expanding urban subway network.
  • C. Hefei Metro Line 7
    Hefei Metro Line 7 is a planned rapid transit line in Hefei, China, that is currently under construction as part of the city’s expanding urban rail network.
  • D. Hefei Metro Line 6
    Hefei Metro Line 6 is a planned rapid transit line in Hefei, China, currently under construction as part of the city’s expanding urban rail network.
  • E. Hefei Metro
    Hefei Metro is the rapid transit system serving Hefei, the capital city of China’s Anhui Province, providing urban rail transportation across the metropolitan area.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d8dcfb7b9c8190854e7b171b98ea2e completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5c2a7e1308190a1667d2d2d43df6c completed April 20, 2026, 6:07 a.m.
NED1 Entity disambiguation (via context triple) batch_6a059faf0e2c8190817034defca15c00 completed May 14, 2026, 10:10 a.m.
NEDg Description generation batch_6a05a14c7a548190921d1c750de71741 completed May 14, 2026, 10:17 a.m.
NED2 Entity disambiguation (via description) batch_6a05a2030e788190acb66dade85783ad completed May 14, 2026, 10:20 a.m.
Created at: April 10, 2026, 11:57 a.m.