Triple

T14046881
Position Surface form Disambiguated ID Type / Status
Subject Chennai railway division E337978 entity
Predicate hasImportantStation P1071 FINISHED
Object Katpadi Junction
Katpadi Junction is a major railway junction in Vellore, Tamil Nadu, serving as a key transit hub connecting Chennai with various destinations across South India.
E1077855 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: Katpadi Junction | Statement: [Chennai railway division, hasImportantStation, Katpadi Junction]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Katpadi Junction
Context triple: [Chennai railway division, hasImportantStation, Katpadi Junction]
  • A. Itarsi Junction
    Itarsi Junction is a major railway junction in Madhya Pradesh, India, serving as a key transit hub connecting multiple important rail routes across the country.
  • B. Badarpur Junction
    Badarpur Junction is a key railway junction in Assam, India, serving as an important transit point linking Silchar with other parts of the region and country.
  • C. Gaya Junction
    Gaya Junction is a major railway station in the Indian state of Bihar that serves as a key rail hub for pilgrims and travelers visiting the nearby Buddhist pilgrimage site of Bodh Gaya.
  • D. Tundla Junction
    Tundla Junction is a key railway junction in Uttar Pradesh, India, serving as an important interchange point on major routes connecting northern and eastern parts of the country.
  • E. Bharuch Junction
    Bharuch Junction is a major railway station in Gujarat, India, serving as an important transit hub for the Bharuch district on the Western Railway network.
  • 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: Katpadi Junction
Triple: [Chennai railway division, hasImportantStation, Katpadi Junction]
Generated description
Katpadi Junction is a major railway junction in Vellore, Tamil Nadu, serving as a key transit hub connecting Chennai with various destinations across South India.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Katpadi Junction
Target entity description: Katpadi Junction is a major railway junction in Vellore, Tamil Nadu, serving as a key transit hub connecting Chennai with various destinations across South India.
  • A. Itarsi Junction
    Itarsi Junction is a major railway junction in Madhya Pradesh, India, serving as a key transit hub connecting multiple important rail routes across the country.
  • B. Badarpur Junction
    Badarpur Junction is a key railway junction in Assam, India, serving as an important transit point linking Silchar with other parts of the region and country.
  • C. Gaya Junction
    Gaya Junction is a major railway station in the Indian state of Bihar that serves as a key rail hub for pilgrims and travelers visiting the nearby Buddhist pilgrimage site of Bodh Gaya.
  • D. Tundla Junction
    Tundla Junction is a key railway junction in Uttar Pradesh, India, serving as an important interchange point on major routes connecting northern and eastern parts of the country.
  • E. Bharuch Junction
    Bharuch Junction is a major railway station in Gujarat, India, serving as an important transit hub for the Bharuch district on the Western Railway network.
  • 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_69fcb65c1a90819097754497f07f5312 completed May 7, 2026, 3:57 p.m.
NEDg Description generation batch_69fcc54039f081908c397005fc4e4e9b completed May 7, 2026, 5 p.m.
NED2 Entity disambiguation (via description) batch_69fcc61353d481908192a1e2f44e6a94 completed May 7, 2026, 5:04 p.m.
Created at: April 9, 2026, 10:20 p.m.