Triple

T4682573
Position Surface form Disambiguated ID Type / Status
Subject Hefei Metro E103838 entity
Predicate hasLine P35 FINISHED
Object Hefei Metro Line 4
Hefei Metro Line 4 is a rapid transit line in Hefei, China, forming part of the city's urban rail network and connecting key districts across the metropolitan area.
 E103838 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 4 | Statement: [Hefei Metro, hasLine, Hefei Metro Line 4]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hefei Metro Line 4
Context triple: [Hefei Metro, hasLine, Hefei Metro Line 4]
  • A. 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.
  • B. Wuhan Metro Line 4
    Wuhan Metro Line 4 is an east–west rapid transit line in Wuhan, China, known for connecting major urban districts and serving key transport hubs across the city.
  • C. Wuhan Metro Line 42
    Wuhan Metro Line 42 is a planned rapid transit line intended to expand and improve the urban rail network in Wuhan, China.
  • D. Wuhan Metro Line 41
    Wuhan Metro Line 41 is a planned rapid transit line intended to expand and improve urban rail connectivity within the city of Wuhan, China.
  • E. Wuhan Metro Line 43
    Wuhan Metro Line 43 is a planned rapid transit line intended to expand the urban rail network and improve north–south connectivity within Wuhan, China.
  • 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 4
Triple: [Hefei Metro, hasLine, Hefei Metro Line 4]
Generated description
Hefei Metro Line 4 is a rapid transit line in Hefei, China, forming part of the city's urban rail network and connecting key districts across the metropolitan area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Hefei Metro Line 4
Target entity description: Hefei Metro Line 4 is a rapid transit line in Hefei, China, forming part of the city's urban rail network and connecting key districts across the metropolitan area.
  • A. Hefei Metro chosen
    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.
  • B. Wuhan Metro Line 4
    Wuhan Metro Line 4 is an east–west rapid transit line in Wuhan, China, known for connecting major urban districts and serving key transport hubs across the city.
  • C. Wuhan Metro Line 42
    Wuhan Metro Line 42 is a planned rapid transit line intended to expand and improve the urban rail network in Wuhan, China.
  • D. Wuhan Metro Line 41
    Wuhan Metro Line 41 is a planned rapid transit line intended to expand and improve urban rail connectivity within the city of Wuhan, China.
  • E. Wuhan Metro Line 43
    Wuhan Metro Line 43 is a planned rapid transit line intended to expand the urban rail network and improve north–south connectivity within Wuhan, China.
  • F. None of above.

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_69bd43debbf08190b4bc372e286ec234 completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd637fedd0819097f59734a9f9a01f completed March 20, 2026, 3:10 p.m.
NED1 Entity disambiguation (via context triple) batch_69be4399ded08190ba97c9c2f98395ec completed March 21, 2026, 7:07 a.m.
NEDg Description generation batch_69be4544ebe88190a2391484ac3ab18d completed March 21, 2026, 7:14 a.m.
NED2 Entity disambiguation (via description) batch_69be45bc7b2c8190aa293d2c10077864 completed March 21, 2026, 7:16 a.m.
Created at: March 20, 2026, 1:16 p.m.