Triple

T8949113
Position Surface form Disambiguated ID Type / Status
Subject Chongqing Metro E213296 entity
Predicate monorailLines P86500 FINISHED
Object Line 2
Line 2 is a major straddle-beam monorail line of the Chongqing Rail Transit system in Chongqing, China.
E768291 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: Line 2 | Statement: [Chongqing Metro, monorailLines, Line 2]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Line 2
Context triple: [Chongqing Metro, monorailLines, Line 2]
  • A. Line 2
    Line 2 is one of the main lines of the Santiago Metro in Chile, running in a generally north–south direction and serving several central and densely populated areas of the city.
  • B. Line 2
    Line 2 is a trolleybus route within Geneva’s public transport system that serves as one of the city’s main electric bus lines.
  • C. Line 2
    Line 2 is a rapid transit line of the Barcelona Metro system that serves several central and northern neighborhoods of the city.
  • D. Line 2
    Line 2 is a planned second rapid transit line of the Turin Metro system in Turin, Italy, intended to expand the city's urban rail network.
  • E. Line 2
    Line 2 is a major circular line of the Seoul Metropolitan Subway system, known for being one of the busiest and most important routes in the network.
  • 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: Line 2
Triple: [Chongqing Metro, monorailLines, Line 2]
Generated description
Line 2 is a major straddle-beam monorail line of the Chongqing Rail Transit system in Chongqing, China.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Line 2
Target entity description: Line 2 is a major straddle-beam monorail line of the Chongqing Rail Transit system in Chongqing, China.
  • A. Line 2 chosen
    Line 2 is a major rapid transit line of the Chongqing Metro system in Chongqing, China, known for being one of the city's primary monorail corridors.
  • B. Line 2
    Line 2 is one of the main lines of the Milan Metro rapid transit system, connecting key districts across the city.
  • C. Line 2
    Line 2 is a major east–west rapid transit route of the Shanghai Metro that connects key commercial, residential, and airport hubs across the city.
  • D. Line 2
    Line 2 is a major east–west rapid transit route of the Nanjing Metro system in Nanjing, China, connecting key urban districts and transportation hubs.
  • E. Line 2
    Line 2 is one of the principal lines of the Mexico City Metro system, running across key central and western areas of the city and serving as a major high-capacity transit corridor.
  • F. None of above.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: monorailLines
Context triple: [Chongqing Metro, monorailLines, Line 2]
  • A. subwayLine
    Indicates that there is a subway line connection or service relationship between the referenced entities.
  • B. hasLightRailSystem
    Indicates that a place possesses and operates a light rail transit system.
  • C. subwayServices
    Indicates that one entity provides or operates subway transportation services for another entity or area.
  • D. metroLineColor
    Indicates the color assigned to a specific metro or subway line in a transit system.
  • E. metroLineInaugurated
    Indicates that a metro line was officially opened and began operation on a specific date or during a specific event.
  • F. None of above. chosen

Provenance (7 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_69ca839843408190a39069a029a89f15 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc6709c7a48190ab503083a1d6a29f completed April 1, 2026, 12:30 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfd09e378c8190bb9f5d78a3b91fe7 completed April 3, 2026, 2:37 p.m.
NEDg Description generation batch_69cfd193fdbc8190b49192327f698943 completed April 3, 2026, 2:41 p.m.
NED2 Entity disambiguation (via description) batch_69cfd242590881909ca351c1040c76ef completed April 3, 2026, 2:44 p.m.
PD Predicate disambiguation batch_69cc5ed5267c8190a43feb2a2f3df1ec completed March 31, 2026, 11:55 p.m.
PDg Predicate description generation batch_69cc60e0d7208190966797ce5f95fe49 completed April 1, 2026, 12:03 a.m.
Created at: March 30, 2026, 6:59 p.m.