Triple

T18860805
Position Surface form Disambiguated ID Type / Status
Subject Saurashtra Railway E461305 entity
Predicate formedByMergerOf P77 FINISHED
Object Dhrangadhra Railway
Dhrangadhra Railway was a former regional railway company in western India that later became part of the larger Saurashtra Railway system.
E1346614 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: Dhrangadhra Railway | Statement: [Saurashtra Railway, formedByMergerOf, Dhrangadhra Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Dhrangadhra Railway
Context triple: [Saurashtra Railway, formedByMergerOf, Dhrangadhra Railway]
  • A. Chandur Railway
    Chandur Railway is a town in the Amravati district of Maharashtra, India, known for its railway junction that serves as a local transport hub.
  • B. Dhamangaon Railway
    Dhamangaon Railway is a town in Maharashtra, India, known primarily as a local railway junction and settlement within the Amravati district.
  • C. Bala Lake Railway
    Bala Lake Railway is a narrow-gauge heritage railway in Gwynedd, Wales, that runs along the southern shore of Llyn Tegid (Bala Lake), offering scenic tourist rides on historic trains.
  • D. Kangra Valley Railway
    Kangra Valley Railway is a narrow-gauge mountain railway in Himachal Pradesh, India, known for its scenic route through the Himalayan foothills and its status as a historic engineering feat.
  • E. Rohri–Chaman Railway Line
    The Rohri–Chaman Railway Line is a major railway route in Pakistan that connects the interior of Sindh to Balochistan and extends toward the Afghan border, serving as a key corridor for regional transport and trade.
  • 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: Dhrangadhra Railway
Triple: [Saurashtra Railway, formedByMergerOf, Dhrangadhra Railway]
Generated description
Dhrangadhra Railway was a former regional railway company in western India that later became part of the larger Saurashtra Railway system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Dhrangadhra Railway
Target entity description: Dhrangadhra Railway was a former regional railway company in western India that later became part of the larger Saurashtra Railway system.
  • A. Chandur Railway
    Chandur Railway is a town in the Amravati district of Maharashtra, India, known for its railway junction that serves as a local transport hub.
  • B. Dhamangaon Railway
    Dhamangaon Railway is a town in Maharashtra, India, known primarily as a local railway junction and settlement within the Amravati district.
  • C. Bala Lake Railway
    Bala Lake Railway is a narrow-gauge heritage railway in Gwynedd, Wales, that runs along the southern shore of Llyn Tegid (Bala Lake), offering scenic tourist rides on historic trains.
  • D. Kangra Valley Railway
    Kangra Valley Railway is a narrow-gauge mountain railway in Himachal Pradesh, India, known for its scenic route through the Himalayan foothills and its status as a historic engineering feat.
  • E. Rohri–Chaman Railway Line
    The Rohri–Chaman Railway Line is a major railway route in Pakistan that connects the interior of Sindh to Balochistan and extends toward the Afghan border, serving as a key corridor for regional transport and trade.
  • 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_69d8dcfb7b9c8190854e7b171b98ea2e completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5c060bfc4819092ac591692a6ccd5 completed April 20, 2026, 5:57 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0575b73f0c8190a04769515217c39c completed May 14, 2026, 7:11 a.m.
NEDg Description generation batch_6a0576e3915c819098a969ddd2b2d1a5 completed May 14, 2026, 7:16 a.m.
NED2 Entity disambiguation (via description) batch_6a05777f51b481909a7916bc40dcfd69 completed May 14, 2026, 7:19 a.m.
Created at: April 10, 2026, 11:57 a.m.