Triple

T8663846
Position Surface form Disambiguated ID Type / Status
Subject Line 3 (Shanghai Metro) E205614 entity
Predicate formerName P65 FINISHED
Object Pearl Line
Pearl Line is the former name of Shanghai Metro Line 3, a major rapid transit route running through the city of Shanghai, China.
E749264 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: Pearl Line | Statement: [Line 3 (Shanghai Metro), formerName, Pearl Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pearl Line
Context triple: [Line 3 (Shanghai Metro), formerName, Pearl Line]
  • A. Cascade Line
    The Cascade Line was a key Southern Pacific Railroad route crossing the Cascade Range in Oregon, known for its steep grades, tunnels, and heavy use by powerful steam locomotives.
  • B. MARC Penn Line
    The MARC Penn Line is a Maryland commuter rail service that runs along the Amtrak Northeast Corridor between Washington, D.C., and Perryville, serving numerous communities in Prince George’s County and beyond.
  • C. Archer Avenue Lines
    The Archer Avenue Lines are a set of New York City Subway routes in Queens that run along Archer Avenue, serving as a key transit corridor including the Jamaica Center–Parsons/Archer terminal.
  • D. Kingston Line
    The Kingston Line is a Massachusetts Bay Transportation Authority (MBTA) Commuter Rail route serving communities south of Boston between the city and Kingston.
  • E. Concourse Line
    The Concourse Line is a New York City Subway line in the Bronx, primarily served by the B and D trains and running along the Grand Concourse corridor.
  • 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: Pearl Line
Triple: [Line 3 (Shanghai Metro), formerName, Pearl Line]
Generated description
Pearl Line is the former name of Shanghai Metro Line 3, a major rapid transit route running through the city of Shanghai, China.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Pearl Line
Target entity description: Pearl Line is the former name of Shanghai Metro Line 3, a major rapid transit route running through the city of Shanghai, China.
  • A. Cascade Line
    The Cascade Line was a key Southern Pacific Railroad route crossing the Cascade Range in Oregon, known for its steep grades, tunnels, and heavy use by powerful steam locomotives.
  • B. MARC Penn Line
    The MARC Penn Line is a Maryland commuter rail service that runs along the Amtrak Northeast Corridor between Washington, D.C., and Perryville, serving numerous communities in Prince George’s County and beyond.
  • C. Archer Avenue Lines
    The Archer Avenue Lines are a set of New York City Subway routes in Queens that run along Archer Avenue, serving as a key transit corridor including the Jamaica Center–Parsons/Archer terminal.
  • D. Kingston Line
    The Kingston Line is a Massachusetts Bay Transportation Authority (MBTA) Commuter Rail route serving communities south of Boston between the city and Kingston.
  • E. Concourse Line
    The Concourse Line is a New York City Subway line in the Bronx, primarily served by the B and D trains and running along the Grand Concourse corridor.
  • 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_69ca83516ae88190aefe034b3bc589e3 completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cc489f7edc8190bde1b4dc09249207 completed March 31, 2026, 10:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69cecd0d95ec81908669ee35f0987be7 completed April 2, 2026, 8:09 p.m.
NEDg Description generation batch_69cece8e5afc8190912b6eb9c80dd073 completed April 2, 2026, 8:16 p.m.
NED2 Entity disambiguation (via description) batch_69cecf8ee4f48190bb901e35ade91b6c completed April 2, 2026, 8:20 p.m.
Created at: March 30, 2026, 6:30 p.m.