Triple

T12524736
Position Surface form Disambiguated ID Type / Status
Subject Samastipur Junction E299405 entity
Predicate isJunctionOn P6309 FINISHED
Object Samastipur–Darbhanga line
The Samastipur–Darbhanga line is a railway route in the Indian state of Bihar that connects the important regional centers of Samastipur and Darbhanga within the East Central Railway network.
E989385 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: Samastipur–Darbhanga line | Statement: [Samastipur Junction, isJunctionOn, Samastipur–Darbhanga line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Samastipur–Darbhanga line
Context triple: [Samastipur Junction, isJunctionOn, Samastipur–Darbhanga line]
  • A. Barauni–Gorakhpur line
    The Barauni–Gorakhpur line is a key railway route in northern India that connects major junctions across Bihar and Uttar Pradesh, facilitating regional passenger and freight movement.
  • B. Muzaffarpur–Gorakhpur railway line
    The Muzaffarpur–Gorakhpur railway line is a key rail route in northern India that connects the city of Muzaffarpur in Bihar with Gorakhpur in Uttar Pradesh, serving numerous intermediate towns and facilitating regional passenger and freight transport.
  • C. Darbhanga–Raxaul line
    The Darbhanga–Raxaul line is a railway route in the Indian state of Bihar that connects the city of Darbhanga with the border town of Raxaul near Nepal, serving as an important regional and cross-border transit corridor.
  • D. Kharagpur–Digha line
    The Kharagpur–Digha line is a railway route in eastern India that connects the major junction of Kharagpur with the coastal resort town of Digha, serving both local commuters and tourists.
  • E. Ranchi–Hatia–Rourkela line
    The Ranchi–Hatia–Rourkela line is a key railway route in eastern India connecting Jharkhand’s capital region with the industrial city of Rourkela, facilitating both passenger and freight movement.
  • 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: Samastipur–Darbhanga line
Triple: [Samastipur Junction, isJunctionOn, Samastipur–Darbhanga line]
Generated description
The Samastipur–Darbhanga line is a railway route in the Indian state of Bihar that connects the important regional centers of Samastipur and Darbhanga within the East Central Railway network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Samastipur–Darbhanga line
Target entity description: The Samastipur–Darbhanga line is a railway route in the Indian state of Bihar that connects the important regional centers of Samastipur and Darbhanga within the East Central Railway network.
  • A. Barauni–Gorakhpur line
    The Barauni–Gorakhpur line is a key railway route in northern India that connects major junctions across Bihar and Uttar Pradesh, facilitating regional passenger and freight movement.
  • B. Muzaffarpur–Gorakhpur railway line
    The Muzaffarpur–Gorakhpur railway line is a key rail route in northern India that connects the city of Muzaffarpur in Bihar with Gorakhpur in Uttar Pradesh, serving numerous intermediate towns and facilitating regional passenger and freight transport.
  • C. Darbhanga–Raxaul line
    The Darbhanga–Raxaul line is a railway route in the Indian state of Bihar that connects the city of Darbhanga with the border town of Raxaul near Nepal, serving as an important regional and cross-border transit corridor.
  • D. Kharagpur–Digha line
    The Kharagpur–Digha line is a railway route in eastern India that connects the major junction of Kharagpur with the coastal resort town of Digha, serving both local commuters and tourists.
  • E. Ranchi–Hatia–Rourkela line
    The Ranchi–Hatia–Rourkela line is a key railway route in eastern India connecting Jharkhand’s capital region with the industrial city of Rourkela, facilitating both passenger and freight movement.
  • 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_69d6ada5cdd48190860d9ce30aff69be completed April 8, 2026, 7:33 p.m.
NER Named-entity recognition batch_69d9545d7e6c819080c3a85c18caa1ae completed April 10, 2026, 7:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69f655762ae88190ab41e23bbd65c566 completed May 2, 2026, 7:50 p.m.
NEDg Description generation batch_69f6566e7bf88190a33c609caf9b4f3d completed May 2, 2026, 7:54 p.m.
NED2 Entity disambiguation (via description) batch_69f657b1b13c8190984300f24c0b2083 completed May 2, 2026, 7:59 p.m.
Created at: April 8, 2026, 9:57 p.m.