Triple
T18884429
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 1964 Rameswaram cyclone |
E461921
|
entity |
| Predicate | destroyed |
P5325
|
FINISHED |
| Object | Pamban–Dhanushkodi rail track |
—
|
NE NERFINISHED |
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: Pamban–Dhanushkodi rail track | Statement: [1964 Rameswaram cyclone, destroyed, Pamban–Dhanushkodi rail track]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pamban–Dhanushkodi rail track Context triple: [1964 Rameswaram cyclone, destroyed, Pamban–Dhanushkodi rail track]
-
A.
Rameswaram–Mandapam rail line
chosen
The Rameswaram–Mandapam rail line is a coastal railway route in Tamil Nadu, India, that connects the mainland to Rameswaram Island and includes the historic Pamban Bridge over the Palk Strait.
-
B.
Pamban Bridge
Pamban Bridge is a historic sea bridge in Tamil Nadu, India, that connects the island of Rameswaram to the mainland and is renowned for its iconic cantilevered railway section over the Palk Strait.
-
C.
Chennai–Rameswaram line
The Chennai–Rameswaram line is a major railway route in the Indian state of Tamil Nadu that connects the state capital Chennai with the pilgrimage island town of Rameswaram, passing through several key inland towns.
-
D.
Shoranur bridge
Shoranur bridge is a major railway and road bridge in Kerala, India, that serves as an important transport link across the Bharathapuzha River.
-
E.
Padma Bridge
Padma Bridge is a major multipurpose road-rail bridge in Bangladesh that significantly improves connectivity between the country's southwestern region and the capital, Dhaka.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8dcfc3430819095ee6fc0eb4c06a5 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5c3d3dcec8190a468162c6a4482f6 |
completed | April 20, 2026, 6:12 a.m. |
Created at: April 10, 2026, 11:57 a.m.