Triple

T22853728
Position Surface form Disambiguated ID Type / Status
Subject South Eastern Railway E566421 entity
Predicate notableRoute P22 FINISHED
Object Howrah–Mumbai route (via Kharagpur and Chakradharpur)
The Howrah–Mumbai route via Kharagpur and Chakradharpur is a major electrified trunk line in eastern and central India that connects Kolkata with Mumbai and carries heavy long-distance passenger and freight traffic.
E1330412 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: Howrah–Mumbai route (via Kharagpur and Chakradharpur) | Statement: [South Eastern Railway, notableRoute, Howrah–Mumbai route (via Kharagpur and Chakradharpur)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Howrah–Mumbai route (via Kharagpur and Chakradharpur)
Context triple: [South Eastern Railway, notableRoute, Howrah–Mumbai route (via Kharagpur and Chakradharpur)]
  • A. Delhi–Howrah route via Kanpur
    The Delhi–Howrah route via Kanpur is a major trunk railway corridor in northern India that links the national capital Delhi with the eastern metropolis of Howrah (Kolkata) through the important junction city of Kanpur.
  • B. New Delhi–Howrah trunk route (via Kanpur–Prayagraj)
    The New Delhi–Howrah trunk route (via Kanpur–Prayagraj) is a key high-density railway corridor in India connecting the national capital with Kolkata through major northern and eastern cities.
  • C. Howrah–Patna–Mughalsarai main line
    The Howrah–Patna–Mughalsarai main line is a major railway corridor in eastern India that connects Kolkata with key cities in Bihar and Uttar Pradesh, forming part of the busy route between Howrah and Delhi.
  • D. Howrah–Kharagpur railway line
    The Howrah–Kharagpur railway line is a major suburban and long-distance rail corridor in West Bengal, India, connecting the metropolitan hub of Howrah (Kolkata) with the industrial town of Kharagpur and serving numerous intermediate towns and junctions.
  • E. Howrah–Adra–Chakradharpur line
    The Howrah–Adra–Chakradharpur line is a major railway route in eastern India that connects Howrah in West Bengal with Chakradharpur in Jharkhand via Adra, serving as an important corridor for both passenger and freight traffic.
  • 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: Howrah–Mumbai route (via Kharagpur and Chakradharpur)
Triple: [South Eastern Railway, notableRoute, Howrah–Mumbai route (via Kharagpur and Chakradharpur)]
Generated description
The Howrah–Mumbai route via Kharagpur and Chakradharpur is a major electrified trunk line in eastern and central India that connects Kolkata with Mumbai and carries heavy long-distance passenger and freight traffic.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Howrah–Mumbai route (via Kharagpur and Chakradharpur)
Target entity description: The Howrah–Mumbai route via Kharagpur and Chakradharpur is a major electrified trunk line in eastern and central India that connects Kolkata with Mumbai and carries heavy long-distance passenger and freight traffic.
  • A. Delhi–Howrah route via Kanpur
    The Delhi–Howrah route via Kanpur is a major trunk railway corridor in northern India that links the national capital Delhi with the eastern metropolis of Howrah (Kolkata) through the important junction city of Kanpur.
  • B. New Delhi–Howrah trunk route (via Kanpur–Prayagraj)
    The New Delhi–Howrah trunk route (via Kanpur–Prayagraj) is a key high-density railway corridor in India connecting the national capital with Kolkata through major northern and eastern cities.
  • C. Howrah–Patna–Mughalsarai main line
    The Howrah–Patna–Mughalsarai main line is a major railway corridor in eastern India that connects Kolkata with key cities in Bihar and Uttar Pradesh, forming part of the busy route between Howrah and Delhi.
  • D. Howrah–Kharagpur railway line
    The Howrah–Kharagpur railway line is a major suburban and long-distance rail corridor in West Bengal, India, connecting the metropolitan hub of Howrah (Kolkata) with the industrial town of Kharagpur and serving numerous intermediate towns and junctions.
  • E. Howrah–Adra–Chakradharpur line chosen
    The Howrah–Adra–Chakradharpur line is a major railway route in eastern India that connects Howrah in West Bengal with Chakradharpur in Jharkhand via Adra, serving as an important corridor for both passenger and freight traffic.
  • F. None of above.

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_69e2458750b481908a8e4cf4609cc6cf completed April 17, 2026, 2:36 p.m.
NER Named-entity recognition batch_69f17eba65a881908c484262c3ee5212 completed April 29, 2026, 3:44 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0bae8636488190ba3391468ff77f4f completed May 19, 2026, 12:27 a.m.
NEDg Description generation batch_6a0bb2a9ec448190919c5fd16e194f3a completed May 19, 2026, 12:45 a.m.
NED2 Entity disambiguation (via description) batch_6a0bb306d3a081908e241b8f5667a014 completed May 19, 2026, 12:47 a.m.
Created at: April 17, 2026, 3:37 p.m.