Triple

T18290792
Position Surface form Disambiguated ID Type / Status
Subject Delhi–Ambala railway line E438106 entity
Predicate connectsTo P845 FINISHED
Object Ambala–Una Himachal line — NE NERFINISHED

How this triple was built (2 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: Ambala–Una Himachal line | Statement: [Delhi–Ambala railway line, connectsTo, Ambala–Una Himachal line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ambala–Una Himachal line
Context triple: [Delhi–Ambala railway line, connectsTo, Ambala–Una Himachal line]
  • A. Ambala–Una Himachal line chosen
    The Ambala–Una Himachal line is a broad-gauge railway route in northern India that connects Ambala Cantonment in Haryana with Una in Himachal Pradesh, facilitating regional passenger and freight transport.
  • B. Nangal–Una–Talwara line
    The Nangal–Una–Talwara line is a regional railway route in northern India that connects Nangal in Punjab with Una and Talwara, enhancing rail connectivity across parts of Punjab and Himachal Pradesh.
  • C. Badarpur–Agartala line
    The Badarpur–Agartala line is a railway route in Northeast India that connects Assam with the state of Tripura, serving as a key link for regional passenger and freight transport.
  • D. Rohtak–Panipat line
    The Rohtak–Panipat line is a regional railway route in the Indian state of Haryana that connects the cities of Rohtak and Panipat, facilitating local and intercity rail transport.
  • E. Gonda–Bahraich line
    The Gonda–Bahraich line is a regional railway route in Uttar Pradesh, India, connecting the towns of Gonda and Bahraich and serving local passenger and freight traffic.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69d8b914530c8190b4474d862a2b2a1b completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e500fee5248190928e68ddaa4d90d7 completed April 19, 2026, 4:21 p.m.
Created at: April 10, 2026, 10:35 a.m.