Triple
T20826002
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | North–South Corridor (Lucknow Metro) |
E512699
|
entity |
| Predicate | isPrincipalLineOf |
P41814
|
FINISHED |
| Object | Lucknow Metro |
—
|
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: Lucknow Metro | Statement: [North–South Corridor (Lucknow Metro), isPrincipalLineOf, Lucknow Metro]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lucknow Metro Context triple: [North–South Corridor (Lucknow Metro), isPrincipalLineOf, Lucknow Metro]
-
A.
Lucknow Metro
chosen
Lucknow Metro is a rapid transit system serving the city of Lucknow in Uttar Pradesh, India, designed to provide fast, modern urban transportation.
-
B.
Noida Metro
Noida Metro is a rapid transit system serving the city of Noida and its surrounding areas in India’s National Capital Region.
-
C.
Ahmedabad Metro
Ahmedabad Metro is a rapid transit system serving the city of Ahmedabad and its surrounding areas in the Indian state of Gujarat.
-
D.
Hyderabad Metro
Hyderabad Metro is a rapid transit system serving the city of Hyderabad, India, featuring multiple elevated corridors designed to ease urban traffic congestion and improve public transportation.
-
E.
Lucknow–Kanpur Suburban Railway
The Lucknow–Kanpur Suburban Railway is a key suburban rail corridor in Uttar Pradesh that connects the major cities of Lucknow and Kanpur, serving dense commuter traffic between them.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: isPrincipalLineOf Context triple: [North–South Corridor (Lucknow Metro), isPrincipalLineOf, Lucknow Metro]
-
A.
isMajorLineOf
chosen
Indicates that one entity is a primary or principal route, branch, or component within the structure or network represented by the other entity.
-
B.
isPrincipalAssociationOf
Indicates that one entity serves as the primary or main associated counterpart of another entity within a given context or relationship.
-
C.
isOldestLineOf
Indicates that one line is the earliest or first-established among a set of related lines.
-
D.
isPrincipalAdvisorTo
Indicates that one entity serves as the main or primary advisor to another entity, providing overarching guidance or counsel.
-
E.
isPrincipalRoleIn
Indicates that an entity holds the primary or leading role in a particular context, work, or relationship.
- F. None of above.
Provenance (3 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_69e0b4ce39108190a6e8e5df4f1c8dc5 |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6c2fd8480819099930af691d97477 |
completed | April 21, 2026, 12:21 a.m. |
| PD | Predicate disambiguation | batch_69e5c9a1f4f48190aa9fb4ef8f8aea5a |
completed | April 20, 2026, 6:37 a.m. |
Created at: April 16, 2026, 12:41 p.m.