Triple
T19966723
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nagpur–Secunderabad line |
E479953
|
entity |
| Predicate | administrativeHeadquarterForSection |
P138062
|
FINISHED |
| Object | Nagpur railway division |
—
|
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: Nagpur railway division | Statement: [Nagpur–Secunderabad line, administrativeHeadquarterForSection, Nagpur railway division]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nagpur railway division Context triple: [Nagpur–Secunderabad line, administrativeHeadquarterForSection, Nagpur railway division]
-
A.
Nagpur railway division
chosen
Nagpur railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around Nagpur, Maharashtra.
-
B.
Nanded railway division
Nanded railway division is an administrative division of Indian Railways under the South Central Railway zone, overseeing railway operations and stations in parts of Maharashtra and neighboring regions.
-
C.
Pune railway division
Pune railway division is an administrative unit of Indian Railways responsible for managing train operations, infrastructure, and services in and around Pune, Maharashtra.
-
D.
Jabalpur railway division
Jabalpur railway division is an administrative unit of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Jabalpur in central India.
-
E.
Bhusawal railway division
Bhusawal railway division is a major administrative division of Indian Railways’ Central Railway zone, overseeing railway operations and infrastructure in parts of Maharashtra.
- 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: administrativeHeadquarterForSection Context triple: [Nagpur–Secunderabad line, administrativeHeadquarterForSection, Nagpur railway division]
-
A.
administrativeHeadquarter
Indicates the location that serves as the main administrative center or headquarters for an organization or governing body.
-
B.
headquartersAdministrativeTerritory
Indicates that an entity serves as the administrative headquarters or seat of government for a specified territory or jurisdiction.
-
C.
partOfHeadquarters
Indicates that one entity is a component, subdivision, or unit within the headquarters of another entity.
-
D.
headquartersOfOffice
Indicates that a particular location serves as the main headquarters for a specified office or organizational unit.
-
E.
headquartersFunction
Indicates that an entity serves as the main administrative or central operating location (headquarters) for another entity.
- F. None of above. chosen
Provenance (4 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_69d8e523c19881909f9197037200dde6 |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e65bc5e41881908c1e8867820f1c0c |
completed | April 20, 2026, 5 p.m. |
| PD | Predicate disambiguation | batch_69e537f7e4848190b431a69ec3f1b609 |
completed | April 19, 2026, 8:15 p.m. |
| PDg | Predicate description generation | batch_69e543c42c688190a22f4d31ec692377 |
completed | April 19, 2026, 9:06 p.m. |
Created at: April 10, 2026, 1:54 p.m.