Triple

T1666040
Position Surface form Disambiguated ID Type / Status
Subject Shanghai Stadium E36013 entity
Predicate servedByTransportLine P1293 FINISHED
Object Shanghai Metro Line 4
Shanghai Metro Line 4 is a circular rapid transit line in Shanghai’s metro system that loops around the city center and connects major hubs including Shanghai Stadium.
E213929 NE FINISHED

How this triple was built (5 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: Shanghai Metro Line 4 | Statement: [Shanghai Stadium, servedByTransportLine, Shanghai Metro Line 4]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Shanghai Metro Line 4
Context triple: [Shanghai Stadium, servedByTransportLine, Shanghai Metro Line 4]
  • A. Shanghai Metro Line 10
    Shanghai Metro Line 10 is a major east–west rapid transit line in Shanghai that serves key central districts, including the Former French Concession, and connects important commercial and residential areas across the city.
  • B. Shanghai Metro Line 2
    Shanghai Metro Line 2 is a major east–west rapid transit line in Shanghai that connects key commercial, financial, and transport hubs including the city’s main shopping streets and both international airports.
  • C. Shanghai Metro Line 9
    Shanghai Metro Line 9 is a major east–west rapid transit line in Shanghai that connects key residential, commercial, and historic areas, including the Former French Concession, with the broader metro network.
  • D. Shanghai Metro Line 8
    Shanghai Metro Line 8 is a major north–south rapid transit line in Shanghai’s metro system that connects key commercial and residential districts, including the Nanjing Road area.
  • E. Shanghai Metro Line 11
    Shanghai Metro Line 11 is a major rapid transit line in Shanghai that connects the city center with suburban areas including the Shanghai Disney Resort.
  • 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: Shanghai Metro Line 4
Triple: [Shanghai Stadium, servedByTransportLine, Shanghai Metro Line 4]
Generated description
Shanghai Metro Line 4 is a circular rapid transit line in Shanghai’s metro system that loops around the city center and connects major hubs including Shanghai Stadium.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Shanghai Metro Line 4
Target entity description: Shanghai Metro Line 4 is a circular rapid transit line in Shanghai’s metro system that loops around the city center and connects major hubs including Shanghai Stadium.
  • A. Shanghai Metro Line 10
    Shanghai Metro Line 10 is a major east–west rapid transit line in Shanghai that serves key central districts, including the Former French Concession, and connects important commercial and residential areas across the city.
  • B. Shanghai Metro Line 2
    Shanghai Metro Line 2 is a major east–west rapid transit line in Shanghai that connects key commercial, financial, and transport hubs including the city’s main shopping streets and both international airports.
  • C. Shanghai Metro Line 9
    Shanghai Metro Line 9 is a major east–west rapid transit line in Shanghai that connects key residential, commercial, and historic areas, including the Former French Concession, with the broader metro network.
  • D. Shanghai Metro Line 8
    Shanghai Metro Line 8 is a major north–south rapid transit line in Shanghai’s metro system that connects key commercial and residential districts, including the Nanjing Road area.
  • E. Shanghai Metro Line 11
    Shanghai Metro Line 11 is a major rapid transit line in Shanghai that connects the city center with suburban areas including the Shanghai Disney Resort.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: servedByTransportLine
Context triple: [Shanghai Stadium, servedByTransportLine, Shanghai Metro Line 4]
  • A. transportationServedBy
    Indicates that a transportation facility, route, or area is provided service or coverage by a specific transportation provider or mode.
  • B. appliesToTransitLine
    Indicates that a rule, condition, or characteristic is specifically associated with and relevant to a particular transit line.
  • C. subwayLine
    Indicates that there is a subway line connection or service relationship between the referenced entities.
  • D. lineServed
    Indicates that a particular transportation line (such as a bus, train, or metro line) provides service to or is operated at a given stop, station, or route segment.
  • E. servedByLine chosen
    Indicates that a transportation stop, station, or location is provided service by a specific transit line.
  • F. None of above.

Provenance (6 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_69a8861286808190939afff3ce8ee31e completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69aa994f92b0819084ee2f6a672334b9 completed March 6, 2026, 9:07 a.m.
NED1 Entity disambiguation (via context triple) batch_69adeac637748190b67ddd9eedc3698d completed March 8, 2026, 9:31 p.m.
NEDg Description generation batch_69adeb503ec88190b8d0cb17bbb8f520 completed March 8, 2026, 9:34 p.m.
NED2 Entity disambiguation (via description) batch_69adef13e030819086e9e8862198d859 completed March 8, 2026, 9:50 p.m.
PD Predicate disambiguation batch_69a907d2475c8190b7ec7dccd3335eb1 completed March 5, 2026, 4:34 a.m.
Created at: March 4, 2026, 7:29 p.m.