Triple

T16305747
Position Surface form Disambiguated ID Type / Status
Subject Qinghai–Tibet Railway E395904 entity
Predicate hasBridge P386 FINISHED
Object Qinghai–Tibet Railway Bridge over the Lhasa River
The Qinghai–Tibet Railway Bridge over the Lhasa River is a key elevated rail crossing in Tibet that carries the high-altitude Qinghai–Tibet Railway across the Lhasa River near the regional capital, Lhasa.
 E1206812 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: Qinghai–Tibet Railway Bridge over the Lhasa River | Statement: [Qinghai–Tibet Railway, hasBridge, Qinghai–Tibet Railway Bridge over the Lhasa River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Qinghai–Tibet Railway Bridge over the Lhasa River
Context triple: [Qinghai–Tibet Railway, hasBridge, Qinghai–Tibet Railway Bridge over the Lhasa River]
  • A. Qinghai–Tibet Railway
    The Qinghai–Tibet Railway is a high-altitude rail line in China that connects Xining in Qinghai Province to Lhasa in Tibet, renowned for traversing some of the world’s highest terrain and permafrost regions.
  • B. Qingshuihe Bridge
    Qingshuihe Bridge is a railway bridge on the high-altitude Qinghai–Tibet Railway in China, designed to withstand extreme plateau conditions.
  • C. Chengmei Bridge
    Chengmei Bridge is a notable road bridge spanning the Keelung River in Taipei, Taiwan, serving as an important local transportation link.
  • D. Jishuitan Bridge
    Jishuitan Bridge is a notable bridge in Beijing, China, located near Jishuitan station and spanning part of the city’s historic waterway system.
  • E. Shiqikong Qiao
    Shiqikong Qiao is a historic multi-arched stone bridge located in Beijing’s Summer Palace, renowned for its elegant design and scenic views over Kunming Lake.
  • 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: Qinghai–Tibet Railway Bridge over the Lhasa River
Triple: [Qinghai–Tibet Railway, hasBridge, Qinghai–Tibet Railway Bridge over the Lhasa River]
Generated description
The Qinghai–Tibet Railway Bridge over the Lhasa River is a key elevated rail crossing in Tibet that carries the high-altitude Qinghai–Tibet Railway across the Lhasa River near the regional capital, Lhasa.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Qinghai–Tibet Railway Bridge over the Lhasa River
Target entity description: The Qinghai–Tibet Railway Bridge over the Lhasa River is a key elevated rail crossing in Tibet that carries the high-altitude Qinghai–Tibet Railway across the Lhasa River near the regional capital, Lhasa.
  • A. Qinghai–Tibet Railway
    The Qinghai–Tibet Railway is a high-altitude rail line in China that connects Xining in Qinghai Province to Lhasa in Tibet, renowned for traversing some of the world’s highest terrain and permafrost regions.
  • B. Qingshuihe Bridge
    Qingshuihe Bridge is a railway bridge on the high-altitude Qinghai–Tibet Railway in China, designed to withstand extreme plateau conditions.
  • C. Chengmei Bridge
    Chengmei Bridge is a notable road bridge spanning the Keelung River in Taipei, Taiwan, serving as an important local transportation link.
  • D. Jishuitan Bridge
    Jishuitan Bridge is a notable bridge in Beijing, China, located near Jishuitan station and spanning part of the city’s historic waterway system.
  • E. Shiqikong Qiao
    Shiqikong Qiao is a historic multi-arched stone bridge located in Beijing’s Summer Palace, renowned for its elegant design and scenic views over Kunming Lake.
  • 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_69d87f23bb088190a16fbb91a1957ea5 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e288d5619081909d0f8157cc487877 completed April 17, 2026, 7:24 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00260151908190b83f700a1c7c6419 completed May 10, 2026, 6:30 a.m.
NEDg Description generation batch_6a0026b6554481909ee5a4de41293d90 completed May 10, 2026, 6:33 a.m.
NED2 Entity disambiguation (via description) batch_6a002750c490819082db2044b6a89eaa completed May 10, 2026, 6:36 a.m.
Created at: April 10, 2026, 5:06 a.m.