Triple

T6542570
Position Surface form Disambiguated ID Type / Status
Subject Tianjin West Railway Station E168325 entity
Predicate hasTransportConnection P845 FINISHED
Object Tianjin Metro Line 1
Tianjin Metro Line 1 is a major rapid transit line in Tianjin, China, running north–south through key urban districts and connecting important transport hubs across the city.
E165910 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: Tianjin Metro Line 1 | Statement: [Tianjin West Railway Station, hasTransportConnection, Tianjin Metro Line 1]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tianjin Metro Line 1
Context triple: [Tianjin West Railway Station, hasTransportConnection, Tianjin Metro Line 1]
  • A. Tianjin Metro
    Tianjin Metro is the rapid transit system serving the city of Tianjin, China, providing urban and suburban rail transportation across the municipality.
  • B. S1 Line (Beijing Subway)
    The S1 Line of the Beijing Subway is a medium-low speed maglev rapid transit line serving the western suburbs of Beijing, including areas such as Mentougou District.
  • C. Shanghai Metro Line 1
    Shanghai Metro Line 1 is one of the main north–south rapid transit lines in Shanghai, China, connecting key commercial and residential districts across the city.
  • D. Changping Line (Beijing Subway)
    The Changping Line of the Beijing Subway is a rapid transit line serving Beijing’s northern Changping District, linking suburban residential areas and university zones with the city’s urban rail network.
  • E. Beijing Subway Line 16
    Beijing Subway Line 16 is a rapid transit line in Beijing’s subway network that runs generally north–south, connecting the city’s northern suburbs with central and southwestern districts.
  • 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: Tianjin Metro Line 1
Triple: [Tianjin West Railway Station, hasTransportConnection, Tianjin Metro Line 1]
Generated description
Tianjin Metro Line 1 is a major rapid transit line in Tianjin, China, running north–south through key urban districts and connecting important transport hubs across the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tianjin Metro Line 1
Target entity description: Tianjin Metro Line 1 is a major rapid transit line in Tianjin, China, running north–south through key urban districts and connecting important transport hubs across the city.
  • A. Tianjin Metro chosen
    Tianjin Metro is the rapid transit system serving the city of Tianjin, China, providing urban and suburban rail transportation across the municipality.
  • B. S1 Line (Beijing Subway)
    The S1 Line of the Beijing Subway is a medium-low speed maglev rapid transit line serving the western suburbs of Beijing, including areas such as Mentougou District.
  • C. Shanghai Metro Line 1
    Shanghai Metro Line 1 is one of the main north–south rapid transit lines in Shanghai, China, connecting key commercial and residential districts across the city.
  • D. Changping Line (Beijing Subway)
    The Changping Line of the Beijing Subway is a rapid transit line serving Beijing’s northern Changping District, linking suburban residential areas and university zones with the city’s urban rail network.
  • E. Beijing Subway Line 16
    Beijing Subway Line 16 is a rapid transit line in Beijing’s subway network that runs generally north–south, connecting the city’s northern suburbs with central and southwestern districts.
  • 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_69c68a51564081909e93aee0dbd9cca3 completed March 27, 2026, 1:46 p.m.
NER Named-entity recognition batch_69c6add9036081908917ff27ceed1038 completed March 27, 2026, 4:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6d541f25081909a4b218fd38718c6 completed March 27, 2026, 7:06 p.m.
NEDg Description generation batch_69c6d82753288190bb8cd18254feee2d completed March 27, 2026, 7:19 p.m.
NED2 Entity disambiguation (via description) batch_69c6d92bc2508190b0e1eaf8b46c958e completed March 27, 2026, 7:23 p.m.
Created at: March 27, 2026, 1:50 p.m.