Triple
T10501926
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sullurpeta |
E247691
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | Chennai–Howrah main line |
E718351
|
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: Chennai–Howrah main line | Statement: [Sullurpeta, railwayLine, Chennai–Howrah main line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chennai–Howrah main line Context triple: [Sullurpeta, railwayLine, Chennai–Howrah main line]
-
A.
Howrah–Chennai main line
chosen
The Howrah–Chennai main line is a major Indian Railways trunk route connecting Kolkata (Howrah) with Chennai along the eastern coast, serving as a key corridor for both passenger and freight traffic.
-
B.
Chennai–Tiruchirappalli line
The Chennai–Tiruchirappalli line is a major electrified broad-gauge railway corridor in Tamil Nadu, India, connecting the state capital Chennai with the important inland city of Tiruchirappalli and forming part of the busy Southern Railway network.
-
C.
Chennai–Coimbatore line
The Chennai–Coimbatore line is a major railway route in the Indian state of Tamil Nadu that connects the state capital Chennai with the industrial city of Coimbatore, serving as a key corridor for both passenger and freight traffic.
-
D.
Mumbai–Chennai line
The Mumbai–Chennai line is a major Indian Railways trunk route connecting the western metropolis of Mumbai with the southern city of Chennai, passing through key junctions across Maharashtra, Karnataka, Andhra Pradesh, and Tamil Nadu.
-
E.
Howrah–Nagpur–Mumbai line
The Howrah–Nagpur–Mumbai line is a major Indian Railways trunk route connecting Kolkata (Howrah) in the east with Mumbai in the west via Nagpur, serving as a key corridor for both passenger and freight traffic across central India.
- 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_69d381c4aa948190942e1d803143fb0e |
completed | April 6, 2026, 9:49 a.m. |
| NER | Named-entity recognition | batch_69d5099c6a848190bf1d5361e9e61108 |
completed | April 7, 2026, 1:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d8dccec72481909bcfb6a9c5df7ba9 |
completed | April 10, 2026, 11:19 a.m. |
Created at: April 6, 2026, 12:25 p.m.