Triple

T8193810
Position Surface form Disambiguated ID Type / Status
Subject South Central Railway zone E191376 entity
Predicate hasMajorStation P1071 FINISHED
Object Ongole railway station
Ongole railway station is a key passenger and freight rail hub in Andhra Pradesh, India, situated on the busy Chennai–Howrah main line and operated by Indian Railways' South Central Railway zone.
 E718355 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: Ongole railway station | Statement: [South Central Railway zone, hasMajorStation, Ongole railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ongole railway station
Context triple: [South Central Railway zone, hasMajorStation, Ongole railway station]
  • A. Kanchrapara railway station
    Kanchrapara railway station is a suburban railway station in West Bengal, India, serving the town of Kanchrapara on the Kolkata Suburban Railway network.
  • B. Gonda Junction railway station
    Gonda Junction railway station is a major railway hub in Uttar Pradesh, India, serving as an important junction on the North Eastern Railway network.
  • C. Pinto railway station
    Pinto railway station is a local commuter rail stop in the town of Pinto, within the Community of Madrid, Spain, serving regional and suburban train services.
  • D. Ballari Junction railway station
    Ballari Junction railway station is a major railway hub in the city of Ballari in Karnataka, India, serving as an important junction for regional and long-distance train services.
  • E. Khandala railway station
    Khandala railway station is a small hill-station stop on the Mumbai–Pune railway route in Maharashtra, India, serving the popular tourist town of Khandala in the Western Ghats.
  • 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: Ongole railway station
Triple: [South Central Railway zone, hasMajorStation, Ongole railway station]
Generated description
Ongole railway station is a key passenger and freight rail hub in Andhra Pradesh, India, situated on the busy Chennai–Howrah main line and operated by Indian Railways' South Central Railway zone.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Ongole railway station
Target entity description: Ongole railway station is a key passenger and freight rail hub in Andhra Pradesh, India, situated on the busy Chennai–Howrah main line and operated by Indian Railways' South Central Railway zone.
  • A. Kanchrapara railway station
    Kanchrapara railway station is a suburban railway station in West Bengal, India, serving the town of Kanchrapara on the Kolkata Suburban Railway network.
  • B. Gonda Junction railway station
    Gonda Junction railway station is a major railway hub in Uttar Pradesh, India, serving as an important junction on the North Eastern Railway network.
  • C. Pinto railway station
    Pinto railway station is a local commuter rail stop in the town of Pinto, within the Community of Madrid, Spain, serving regional and suburban train services.
  • D. Ballari Junction railway station
    Ballari Junction railway station is a major railway hub in the city of Ballari in Karnataka, India, serving as an important junction for regional and long-distance train services.
  • E. Khandala railway station
    Khandala railway station is a small hill-station stop on the Mumbai–Pune railway route in Maharashtra, India, serving the popular tourist town of Khandala in the Western Ghats.
  • 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_69ca82c6e9548190a4c5ca14516e4417 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb5c1f02248190adbe56a7d6be3419 completed March 31, 2026, 5:31 a.m.
NED1 Entity disambiguation (via context triple) batch_69cceda1b22c8190acc1a2cd0fe36b70 completed April 1, 2026, 10:04 a.m.
NEDg Description generation batch_69ccf1b706f08190993f4a75eac5f49c completed April 1, 2026, 10:21 a.m.
NED2 Entity disambiguation (via description) batch_69cd059457788190a900402ee4cd50d5 completed April 1, 2026, 11:46 a.m.
Created at: March 30, 2026, 5:42 p.m.