Triple

T14046877
Position Surface form Disambiguated ID Type / Status
Subject Chennai railway division E337978 entity
Predicate hasImportantStation P1071 FINISHED
Object Gummidipundi railway station
Gummidipundi railway station is a key suburban rail stop serving the northern outskirts of Chennai in Tamil Nadu, India.
 E1076143 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: Gummidipundi railway station | Statement: [Chennai railway division, hasImportantStation, Gummidipundi railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Gummidipundi railway station
Context triple: [Chennai railway division, hasImportantStation, Gummidipundi railway station]
  • A. Kacheguda railway station
    Kacheguda railway station is one of the major railway hubs in Hyderabad, Telangana, serving as an important junction for regional and long-distance trains.
  • B. Guntakal Junction railway station
    Guntakal Junction railway station is a major railway hub in Andhra Pradesh, India, serving as a key junction for multiple routes within the South Central Railway zone.
  • C. Tenali Junction railway station
    Tenali Junction railway station is a key railway hub in Andhra Pradesh, India, serving as an important junction for passenger and freight trains on multiple routes.
  • D. Palani railway station
    Palani railway station is a regional rail hub in Tamil Nadu, India, serving the pilgrimage town of Palani and providing connectivity to major cities in the region.
  • E. Guntur Junction railway station
    Guntur Junction railway station is a major railway hub in Andhra Pradesh, India, serving as a key junction connecting multiple important routes in the region.
  • 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: Gummidipundi railway station
Triple: [Chennai railway division, hasImportantStation, Gummidipundi railway station]
Generated description
Gummidipundi railway station is a key suburban rail stop serving the northern outskirts of Chennai in Tamil Nadu, India.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Gummidipundi railway station
Target entity description: Gummidipundi railway station is a key suburban rail stop serving the northern outskirts of Chennai in Tamil Nadu, India.
  • A. Kacheguda railway station
    Kacheguda railway station is one of the major railway hubs in Hyderabad, Telangana, serving as an important junction for regional and long-distance trains.
  • B. Guntakal Junction railway station
    Guntakal Junction railway station is a major railway hub in Andhra Pradesh, India, serving as a key junction for multiple routes within the South Central Railway zone.
  • C. Tenali Junction railway station
    Tenali Junction railway station is a key railway hub in Andhra Pradesh, India, serving as an important junction for passenger and freight trains on multiple routes.
  • D. Palani railway station
    Palani railway station is a regional rail hub in Tamil Nadu, India, serving the pilgrimage town of Palani and providing connectivity to major cities in the region.
  • E. Guntur Junction railway station
    Guntur Junction railway station is a major railway hub in Andhra Pradesh, India, serving as a key junction connecting multiple important routes in the region.
  • 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_69d81c664e48819088cbd8f433aeffe5 completed April 9, 2026, 9:38 p.m.
NER Named-entity recognition batch_69de312df37081909f45ce3e219af5dc completed April 14, 2026, 12:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69fbc34332448190b044f55f0f85d5e2 completed May 6, 2026, 10:40 p.m.
NEDg Description generation batch_69fc43623d608190bee3ebd08ffa01e6 completed May 7, 2026, 7:46 a.m.
NED2 Entity disambiguation (via description) batch_69fc43e71f708190903a63388b664ba5 completed May 7, 2026, 7:48 a.m.
Created at: April 9, 2026, 10:20 p.m.