Triple

T474787
Position Surface form Disambiguated ID Type / Status
Subject London Underground E9036 entity
Predicate hasPart P35 FINISHED
Object Central line
The Central line is one of the principal lines of the London Underground, running east–west across Greater London and serving many key central and suburban areas.
 E59706 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: Central line | Statement: [London Underground, hasPart, Central line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Central line
Context triple: [London Underground, hasPart, Central line]
  • A. LAD
    LAD is the commonly used abbreviation for the Laboratory Astrophysics Division, a professional group focused on the study of astrophysical processes through laboratory-based research.
  • B. LAD
    LAD is the standard three-letter abbreviation used for the Los Angeles Dodgers Major League Baseball team.
  • C. Line 2
    Line 2 is a major subway line on Toronto's Bloor–Danforth corridor, running primarily east–west across the city.
  • D. Line 2
    Line 2 is a major route of Mexico City’s Metrobús bus rapid transit system, running along key thoroughfares to connect important residential and commercial areas.
  • E. Line 3
    Line 3 is a route of Mexico City’s Metrobús bus rapid transit system that serves key corridors with dedicated lanes and high-capacity articulated buses.
  • 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: Central line
Triple: [London Underground, hasPart, Central line]
Generated description
The Central line is one of the principal lines of the London Underground, running east–west across Greater London and serving many key central and suburban areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Central line
Target entity description: The Central line is one of the principal lines of the London Underground, running east–west across Greater London and serving many key central and suburban areas.
  • A. LAD
    LAD is the commonly used abbreviation for the Laboratory Astrophysics Division, a professional group focused on the study of astrophysical processes through laboratory-based research.
  • B. LAD
    LAD is the standard three-letter abbreviation used for the Los Angeles Dodgers Major League Baseball team.
  • C. Line 2
    Line 2 is a major subway line on Toronto's Bloor–Danforth corridor, running primarily east–west across the city.
  • D. Line 2
    Line 2 is a major route of Mexico City’s Metrobús bus rapid transit system, running along key thoroughfares to connect important residential and commercial areas.
  • E. Line 3
    Line 3 is a route of Mexico City’s Metrobús bus rapid transit system that serves key corridors with dedicated lanes and high-capacity articulated buses.
  • 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_69a2e7ff81708190b0507a24a997232c completed Feb. 28, 2026, 1:05 p.m.
NER Named-entity recognition batch_69a2f039f3d88190a7c93ecbf1bf5f58 completed Feb. 28, 2026, 1:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69a468010c10819090d325d6c3d6f50c completed March 1, 2026, 4:23 p.m.
NEDg Description generation batch_69a468b2515881908bc2beb93685f404 completed March 1, 2026, 4:26 p.m.
NED2 Entity disambiguation (via description) batch_69a46912b7f48190979fb2ebd8e027e9 completed March 1, 2026, 4:28 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.