Triple

T5905913
Position Surface form Disambiguated ID Type / Status
Subject Tianfu Square E131339 entity
Predicate transportConnection P1298 FINISHED
Object Chengdu Metro Line 2
Chengdu Metro Line 2 is a major east–west rapid transit line in Chengdu’s metro system, connecting key commercial, residential, and transport hubs across the city.
 E555804 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: Chengdu Metro Line 2 | Statement: [Tianfu Square, transportConnection, Chengdu Metro Line 2]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chengdu Metro Line 2
Context triple: [Tianfu Square, transportConnection, Chengdu Metro Line 2]
  • A. Chengdu Metro Line 1
    Chengdu Metro Line 1 is a major north–south rapid transit line in Chengdu, China, connecting key commercial and administrative areas across the city.
  • B. Guangzhou Metro Line 2
    Guangzhou Metro Line 2 is a major north–south rapid transit line in Guangzhou, China, connecting key railway hubs, commercial districts, and residential areas across the city.
  • C. Wuhan Metro Line 2
    Wuhan Metro Line 2 is a major east–west rapid transit line in Wuhan, China, notable for being the city’s first cross-Yangtze River metro line and a key backbone of its urban rail network.
  • D. Shanghai Metro Line 2
    Shanghai Metro Line 2 is a major east–west rapid transit line in Shanghai that connects key commercial, financial, and transport hubs including the city’s main shopping streets and both international airports.
  • E. Guangfo Line
    The Guangfo Line is an intercity rapid transit route that connects the cities of Guangzhou and Foshan as part of the Guangzhou Metro system.
  • 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: Chengdu Metro Line 2
Triple: [Tianfu Square, transportConnection, Chengdu Metro Line 2]
Generated description
Chengdu Metro Line 2 is a major east–west rapid transit line in Chengdu’s metro system, connecting key commercial, residential, and transport hubs across the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Chengdu Metro Line 2
Target entity description: Chengdu Metro Line 2 is a major east–west rapid transit line in Chengdu’s metro system, connecting key commercial, residential, and transport hubs across the city.
  • A. Chengdu Metro Line 1
    Chengdu Metro Line 1 is a major north–south rapid transit line in Chengdu, China, connecting key commercial and administrative areas across the city.
  • B. Guangzhou Metro Line 2
    Guangzhou Metro Line 2 is a major north–south rapid transit line in Guangzhou, China, connecting key railway hubs, commercial districts, and residential areas across the city.
  • C. Wuhan Metro Line 2
    Wuhan Metro Line 2 is a major east–west rapid transit line in Wuhan, China, notable for being the city’s first cross-Yangtze River metro line and a key backbone of its urban rail network.
  • D. Shanghai Metro Line 2
    Shanghai Metro Line 2 is a major east–west rapid transit line in Shanghai that connects key commercial, financial, and transport hubs including the city’s main shopping streets and both international airports.
  • E. Guangfo Line
    The Guangfo Line is an intercity rapid transit route that connects the cities of Guangzhou and Foshan as part of the Guangzhou Metro system.
  • 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_69c0085864a88190a569c05ff7d65f29 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c0377159f88190a142cd7eed6118c1 completed March 22, 2026, 6:39 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0c00e25f88190a5eb68ee234e4f6c completed March 23, 2026, 4:22 a.m.
NEDg Description generation batch_69c0c1db6d548190ba4be143aa7c7905 completed March 23, 2026, 4:30 a.m.
NED2 Entity disambiguation (via description) batch_69c0c2bdd44881909aa85589d31e771a completed March 23, 2026, 4:34 a.m.
Created at: March 22, 2026, 3:59 p.m.