Triple

T7991627
Position Surface form Disambiguated ID Type / Status
Subject Penn–North station E186019 entity
Predicate line P1293 FINISHED
Object Northwest–East Corridor
The Northwest–East Corridor is a major transit route in Baltimore’s public transportation network that includes Penn–North station among its stops.
E707912 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: Northwest–East Corridor | Statement: [Penn–North station, line, Northwest–East Corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Northwest–East Corridor
Context triple: [Penn–North station, line, Northwest–East Corridor]
  • A. North–South Corridor
    The North–South Corridor is a principal metro line of the Lucknow Metro system in Uttar Pradesh, India, running along a north–south axis through the city.
  • B. North–South Corridor
    The North–South Corridor is a major metro line of the Ahmedabad Metro system that runs along the city’s north–south axis, connecting key residential and commercial areas.
  • C. North–South Corridor
    The North–South Corridor is a major regional transport and trade route in Southern Africa that links landlocked countries to key seaports through an integrated network of roads and railways.
  • D. East–West corridor
    The East–West corridor is a major Kolkata Metro line that runs across the city, connecting its eastern and western parts through an important rapid transit route.
  • E. North–South and East–West Corridor
    The North–South and East–West Corridor is a major Indian highway development project that connects the country’s extremities through long-distance north–south and east–west routes to improve national connectivity and economic integration.
  • 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: Northwest–East Corridor
Triple: [Penn–North station, line, Northwest–East Corridor]
Generated description
The Northwest–East Corridor is a major transit route in Baltimore’s public transportation network that includes Penn–North station among its stops.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Northwest–East Corridor
Target entity description: The Northwest–East Corridor is a major transit route in Baltimore’s public transportation network that includes Penn–North station among its stops.
  • A. North–South Corridor
    The North–South Corridor is a principal metro line of the Lucknow Metro system in Uttar Pradesh, India, running along a north–south axis through the city.
  • B. North–South Corridor
    The North–South Corridor is a major metro line of the Ahmedabad Metro system that runs along the city’s north–south axis, connecting key residential and commercial areas.
  • C. North–South Corridor
    The North–South Corridor is a major regional transport and trade route in Southern Africa that links landlocked countries to key seaports through an integrated network of roads and railways.
  • D. East–West corridor
    The East–West corridor is a major Kolkata Metro line that runs across the city, connecting its eastern and western parts through an important rapid transit route.
  • E. North–South and East–West Corridor
    The North–South and East–West Corridor is a major Indian highway development project that connects the country’s extremities through long-distance north–south and east–west routes to improve national connectivity and economic integration.
  • 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_69ca829c6c308190ab05b43d234c52b2 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb3c712d0481908d163d2509d054fa completed March 31, 2026, 3:16 a.m.
NED1 Entity disambiguation (via context triple) batch_69cc568393008190b8ff6cc17f9b5c46 completed March 31, 2026, 11:19 p.m.
NEDg Description generation batch_69cc58a8f3d08190bec84dc1ba3b5b84 completed March 31, 2026, 11:28 p.m.
NED2 Entity disambiguation (via description) batch_69cc5cb2963c81908a8dfbb1f84845bc completed March 31, 2026, 11:45 p.m.
Created at: March 30, 2026, 5:16 p.m.