Triple
T11840472
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Itarsi |
E281636
|
entity |
| Predicate | locatedOnRailwayLine |
P848
|
FINISHED |
| Object | Itarsi–Nagpur line |
E485748
|
NE FINISHED |
How this triple was built (2 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: Itarsi–Nagpur line | Statement: [Itarsi, locatedOnRailwayLine, Itarsi–Nagpur line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Itarsi–Nagpur line Context triple: [Itarsi, locatedOnRailwayLine, Itarsi–Nagpur line]
-
A.
Nagpur–Bilaspur line
The Nagpur–Bilaspur line is a key railway route in central India that connects Nagpur in Maharashtra with Bilaspur in Chhattisgarh, forming part of an important east–west rail corridor.
-
B.
Nagpur–Itarsi line
chosen
The Nagpur–Itarsi line is a major railway route in central India that connects Nagpur in Maharashtra with Itarsi in Madhya Pradesh, serving as an important corridor for both passenger and freight traffic.
-
C.
Jabalpur–Itarsi line
The Jabalpur–Itarsi line is a key railway route in the Indian state of Madhya Pradesh that connects the city of Jabalpur with the major junction of Itarsi, facilitating regional and long-distance rail traffic.
-
D.
Mumbai–Nagpur line
The Mumbai–Nagpur line is a major Indian railway route connecting the western metropolis of Mumbai with the central city of Nagpur, serving as a key corridor for passenger and freight traffic across Maharashtra.
-
E.
Nagpur–Secunderabad line
The Nagpur–Secunderabad line is a major railway route in central and southern India that connects Nagpur in Maharashtra with Secunderabad in Telangana, serving as an important corridor for both passenger and freight traffic.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d6ab276f8c8190b1966a0ef11349ac |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d8a658f918819092c2db05fe2ab0ce |
completed | April 10, 2026, 7:27 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f43fb078148190bdd7f36c6b292670 |
completed | May 1, 2026, 5:52 a.m. |
Created at: April 8, 2026, 9:43 p.m.