Triple

T20213497
Position Surface form Disambiguated ID Type / Status
Subject Sealdah E493551 entity
Predicate connectsTo P845 FINISHED
Object Lalgola line NE NERFINISHED

How this triple was built (3 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: Lalgola line | Statement: [Sealdah, connectsTo, Lalgola line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lalgola line
Context triple: [Sealdah, connectsTo, Lalgola line]
  • A. Bandel–Katwa line
    The Bandel–Katwa line is a suburban and regional railway corridor in West Bengal, India, connecting Bandel with Katwa and serving numerous towns and rural areas along the Hooghly and Burdwan districts.
  • B. Naihati–Ranaghat line
    The Naihati–Ranaghat line is a suburban railway corridor in West Bengal, India, forming part of the Kolkata Suburban Railway network and connecting key towns along the Hooghly and Nadia districts.
  • C. 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.
  • D. 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.
  • E. Howrah–New Jalpaiguri line
    The Howrah–New Jalpaiguri line is a major railway route in the Indian state of West Bengal that connects Kolkata’s Howrah station with New Jalpaiguri, serving as a key corridor between southern and northern Bengal.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Lalgola line
Target entity description: The Lalgola line is a suburban and regional railway corridor in West Bengal, India, running from Sealdah towards the India–Bangladesh border and serving numerous towns in the Murshidabad district.
  • A. Bandel–Katwa line
    The Bandel–Katwa line is a suburban and regional railway corridor in West Bengal, India, connecting Bandel with Katwa and serving numerous towns and rural areas along the Hooghly and Burdwan districts.
  • B. Naihati–Ranaghat line
    The Naihati–Ranaghat line is a suburban railway corridor in West Bengal, India, forming part of the Kolkata Suburban Railway network and connecting key towns along the Hooghly and Nadia districts.
  • C. 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.
  • D. 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.
  • E. Howrah–New Jalpaiguri line
    The Howrah–New Jalpaiguri line is a major railway route in the Indian state of West Bengal that connects Kolkata’s Howrah station with New Jalpaiguri, serving as a key corridor between southern and northern Bengal.
  • F. None of above. chosen

Provenance (2 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_69da6269614c8190bb40475d9d477358 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e66ed6fe888190b553ba6879cb2d8d completed April 20, 2026, 6:22 p.m.
Created at: April 11, 2026, 11:38 p.m.