Triple
T14046880
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chennai railway division |
E337978
|
entity |
| Predicate | hasImportantStation |
P1071
|
FINISHED |
| Object |
Villupuram Junction
Villupuram Junction is a major railway junction in Tamil Nadu, India, serving as a key rail hub connecting multiple routes in the southern railway network.
|
E1080834
|
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: Villupuram Junction | Statement: [Chennai railway division, hasImportantStation, Villupuram Junction]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Villupuram Junction Context triple: [Chennai railway division, hasImportantStation, Villupuram Junction]
-
A.
Erode Junction
Erode Junction is a major railway station and transport hub in the city of Erode, Tamil Nadu, serving as an important junction on the Southern Railway network of India.
-
B.
Chengalpattu Junction
Chengalpattu Junction is a major railway junction in Tamil Nadu, India, serving as a key suburban and long-distance rail hub south of Chennai.
-
C.
Tiruvarur Junction
Tiruvarur Junction is a key railway station and transport hub in the town of Tiruvarur in Tamil Nadu, India, connecting several regional rail lines.
-
D.
Arakkonam Junction
Arakkonam Junction is a major railway junction in Tamil Nadu, India, serving as a key rail hub connecting multiple important routes in the Southern Railway network.
-
E.
Coimbatore North Junction
Coimbatore North Junction is a railway station in Coimbatore, Tamil Nadu, serving as a secondary rail hub that connects the city to various regional and long-distance routes.
- 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: Villupuram Junction Triple: [Chennai railway division, hasImportantStation, Villupuram Junction]
Generated description
Villupuram Junction is a major railway junction in Tamil Nadu, India, serving as a key rail hub connecting multiple routes in the southern railway network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Villupuram Junction Target entity description: Villupuram Junction is a major railway junction in Tamil Nadu, India, serving as a key rail hub connecting multiple routes in the southern railway network.
-
A.
Erode Junction
Erode Junction is a major railway station and transport hub in the city of Erode, Tamil Nadu, serving as an important junction on the Southern Railway network of India.
-
B.
Chengalpattu Junction
Chengalpattu Junction is a major railway junction in Tamil Nadu, India, serving as a key suburban and long-distance rail hub south of Chennai.
-
C.
Tiruvarur Junction
Tiruvarur Junction is a key railway station and transport hub in the town of Tiruvarur in Tamil Nadu, India, connecting several regional rail lines.
-
D.
Arakkonam Junction
Arakkonam Junction is a major railway junction in Tamil Nadu, India, serving as a key rail hub connecting multiple important routes in the Southern Railway network.
-
E.
Coimbatore North Junction
Coimbatore North Junction is a railway station in Coimbatore, Tamil Nadu, serving as a secondary rail hub that connects the city to various regional and long-distance routes.
- 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_69d81c664e48819088cbd8f433aeffe5 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de312df37081909f45ce3e219af5dc |
completed | April 14, 2026, 12:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcd099b7788190a7c309dba450e58f |
completed | May 7, 2026, 5:49 p.m. |
| NEDg | Description generation | batch_69fcd288bd5881908f6a442201c5beea |
completed | May 7, 2026, 5:57 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fcd3ad7be8819094fc71c9f44fb4cb |
completed | May 7, 2026, 6:02 p.m. |
Created at: April 9, 2026, 10:20 p.m.