Triple

T8103960
Position Surface form Disambiguated ID Type / Status
Subject Shanghai Metro Line 2 E189179 entity
Predicate hasInterchange P3495 FINISHED
Object Line 4 at Century Avenue
Line 4 at Century Avenue is a major interchange stop on Shanghai Metro Line 4, serving as a key transfer hub within the city’s extensive subway network.
 E711627 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: Line 4 at Century Avenue | Statement: [Shanghai Metro Line 2, hasInterchange, Line 4 at Century Avenue]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Line 4 at Century Avenue
Context triple: [Shanghai Metro Line 2, hasInterchange, Line 4 at Century Avenue]
  • A. Line 4 Sheppard
    Line 4 Sheppard is a short, east–west subway line in Toronto’s transit system that primarily serves the Sheppard Avenue corridor in the city’s north end.
  • B. Metro Line 4
    Metro Line 4 is a rapid transit route within a city's metro system that connects with other lines, including Metro Line 6, to facilitate passenger transfers across the network.
  • C. Line 4–Yellow
    Line 4–Yellow is a major driverless metro line in São Paulo’s rapid transit system, connecting key central and western districts with high-capacity, automated service.
  • D. Line 4 – blue
    Line 4 – blue is a major line of the Santiago Metro system in Chile, serving key residential and commercial areas in the city.
  • E. M14 line
    The M14 line is a metro line within the Istanbul Metro rapid transit network in Istanbul, Turkey.
  • 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 4 at Century Avenue
Triple: [Shanghai Metro Line 2, hasInterchange, Line 4 at Century Avenue]
Generated description
Line 4 at Century Avenue is a major interchange stop on Shanghai Metro Line 4, serving as a key transfer hub within the city’s extensive subway network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Line 4 at Century Avenue
Target entity description: Line 4 at Century Avenue is a major interchange stop on Shanghai Metro Line 4, serving as a key transfer hub within the city’s extensive subway network.
  • A. Line 4 Sheppard
    Line 4 Sheppard is a short, east–west subway line in Toronto’s transit system that primarily serves the Sheppard Avenue corridor in the city’s north end.
  • B. Metro Line 4
    Metro Line 4 is a rapid transit route within a city's metro system that connects with other lines, including Metro Line 6, to facilitate passenger transfers across the network.
  • C. Line 4–Yellow
    Line 4–Yellow is a major driverless metro line in São Paulo’s rapid transit system, connecting key central and western districts with high-capacity, automated service.
  • D. Line 4 – blue
    Line 4 – blue is a major line of the Santiago Metro system in Chile, serving key residential and commercial areas in the city.
  • E. M14 line
    The M14 line is a metro line within the Istanbul Metro rapid transit network in Istanbul, Turkey.
  • 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_69ca82b9d5848190a24672775d5c5011 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb42bf1cb0819099dda4f050f8e95e completed March 31, 2026, 3:42 a.m.
NED1 Entity disambiguation (via context triple) batch_69cc642095a08190bcf90e6470e127cc completed April 1, 2026, 12:17 a.m.
NEDg Description generation batch_69cc68d9de4c8190bd2b7f556a60a73b completed April 1, 2026, 12:37 a.m.
NED2 Entity disambiguation (via description) batch_69cc69bac988819085202c02fc3312da completed April 1, 2026, 12:41 a.m.
Created at: March 30, 2026, 5:31 p.m.