Triple
T18884352
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Rameswaram–Mandapam rail line |
E461919
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object |
Rameswaram railway station
Rameswaram railway station is a major railhead in Tamil Nadu, India, serving the pilgrimage town of Rameswaram and providing access to the island via the iconic Pamban Bridge.
|
E1349655
|
NE FINISHED |
How this triple was built (4 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: Rameswaram railway station | Statement: [Rameswaram–Mandapam rail line, terminus, Rameswaram railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rameswaram railway station Context triple: [Rameswaram–Mandapam rail line, terminus, Rameswaram railway station]
-
A.
Kumbakonam railway station
Kumbakonam railway station is a major rail hub in the town of Kumbakonam in Tamil Nadu, India, serving as an important junction for regional and pilgrimage travel.
-
B.
Tindivanam railway station
Tindivanam railway station is a key regional rail hub in Tamil Nadu, India, serving the town of Tindivanam and connecting it to major routes within the Southern Railway network.
-
C.
Madurai Junction railway station
Madurai Junction railway station is a major railway hub in Tamil Nadu, India, serving as a key transit point for trains connecting southern cities with the rest of the country.
-
D.
Chidambaram railway station
Chidambaram railway station is a regional rail hub in Tamil Nadu, India, serving the temple town of Chidambaram on the Chennai–Tiruchirappalli main line.
-
E.
Nagercoil Town railway station
Nagercoil Town railway station is a regional rail hub serving the town of Nagercoil in Tamil Nadu, India, providing passenger connectivity to nearby cities and towns.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Rameswaram railway station Triple: [Rameswaram–Mandapam rail line, terminus, Rameswaram railway station]
Generated description
Rameswaram railway station is a major railhead in Tamil Nadu, India, serving the pilgrimage town of Rameswaram and providing access to the island via the iconic Pamban Bridge.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Rameswaram railway station Target entity description: Rameswaram railway station is a major railhead in Tamil Nadu, India, serving the pilgrimage town of Rameswaram and providing access to the island via the iconic Pamban Bridge.
-
A.
Kumbakonam railway station
Kumbakonam railway station is a major rail hub in the town of Kumbakonam in Tamil Nadu, India, serving as an important junction for regional and pilgrimage travel.
-
B.
Tindivanam railway station
Tindivanam railway station is a key regional rail hub in Tamil Nadu, India, serving the town of Tindivanam and connecting it to major routes within the Southern Railway network.
-
C.
Madurai Junction railway station
Madurai Junction railway station is a major railway hub in Tamil Nadu, India, serving as a key transit point for trains connecting southern cities with the rest of the country.
-
D.
Chidambaram railway station
Chidambaram railway station is a regional rail hub in Tamil Nadu, India, serving the temple town of Chidambaram on the Chennai–Tiruchirappalli main line.
-
E.
Nagercoil Town railway station
Nagercoil Town railway station is a regional rail hub serving the town of Nagercoil in Tamil Nadu, India, providing passenger connectivity to nearby cities and towns.
- F. None of above. chosen
Provenance (5 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. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0591090fd48190aa3bf37fd26f659d |
completed | May 14, 2026, 9:08 a.m. |
| NEDg | Description generation | batch_6a0593a3cc448190a677e1782cef362a |
completed | May 14, 2026, 9:19 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0593f97d748190aef87fa0219763f2 |
completed | May 14, 2026, 9:20 a.m. |
Created at: April 10, 2026, 11:57 a.m.