Triple

T7119459
Position Surface form Disambiguated ID Type / Status
Subject Tianjin Metro E165910 entity
Predicate hasLine P35 FINISHED
Object Tianjin Metro Line M4
Tianjin Metro Line M4 is a rapid transit line in Tianjin, China, forming part of the city's urban subway network and connecting key districts across the municipality.
 E659563 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: Tianjin Metro Line M4 | Statement: [Tianjin Metro, hasLine, Tianjin Metro Line M4]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tianjin Metro Line M4
Context triple: [Tianjin Metro, hasLine, Tianjin Metro Line M4]
  • A. Tianjin Metro Line B4
    Tianjin Metro Line B4 is a planned rapid transit line in Tianjin, China, intended to expand the city’s urban rail network and improve regional connectivity.
  • B. Tianjin Metro Line 5
    Tianjin Metro Line 5 is a rapid transit line in Tianjin, China, forming part of the city's urban subway network and connecting multiple districts along a north–south corridor.
  • C. Tianjin Metro Line 10
    Tianjin Metro Line 10 is a rapid transit line in Tianjin, China, forming part of the city’s urban subway network and serving key residential and commercial areas along its route.
  • D. Tianjin Metro Line 6
    Tianjin Metro Line 6 is a rapid transit line in Tianjin, China, forming part of the Tianjin Metro network and connecting multiple key districts and transport hubs across the city.
  • E. Tianjin Metro Line 3
    Tianjin Metro Line 3 is a major rapid transit line in Tianjin, China, running north–south through key urban districts and serving as an important corridor in the city's subway 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: Tianjin Metro Line M4
Triple: [Tianjin Metro, hasLine, Tianjin Metro Line M4]
Generated description
Tianjin Metro Line M4 is a rapid transit line in Tianjin, China, forming part of the city's urban subway network and connecting key districts across the municipality.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tianjin Metro Line M4
Target entity description: Tianjin Metro Line M4 is a rapid transit line in Tianjin, China, forming part of the city's urban subway network and connecting key districts across the municipality.
  • A. Tianjin Metro Line B4
    Tianjin Metro Line B4 is a planned rapid transit line in Tianjin, China, intended to expand the city’s urban rail network and improve regional connectivity.
  • B. Tianjin Metro Line 5
    Tianjin Metro Line 5 is a rapid transit line in Tianjin, China, forming part of the city's urban subway network and connecting multiple districts along a north–south corridor.
  • C. Tianjin Metro Line 10
    Tianjin Metro Line 10 is a rapid transit line in Tianjin, China, forming part of the city’s urban subway network and serving key residential and commercial areas along its route.
  • D. Tianjin Metro Line 6
    Tianjin Metro Line 6 is a rapid transit line in Tianjin, China, forming part of the Tianjin Metro network and connecting multiple key districts and transport hubs across the city.
  • E. Tianjin Metro Line 3
    Tianjin Metro Line 3 is a major rapid transit line in Tianjin, China, running north–south through key urban districts and serving as an important corridor in the city's subway network.
  • 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_69c6888227bc8190a1394679e3116f90 completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6e61b8a288190a165ea25adfaaef5 completed March 27, 2026, 8:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69c802a126e081908ca3074b636764d1 completed March 28, 2026, 4:32 p.m.
NEDg Description generation batch_69c8032a62a08190a047d4945543bc6c completed March 28, 2026, 4:34 p.m.
NED2 Entity disambiguation (via description) batch_69c8039fce888190bbda8cdaa041310c completed March 28, 2026, 4:36 p.m.
Created at: March 27, 2026, 2:43 p.m.