Triple
T1569606
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Coimbatore |
E33507
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object |
Coimbatore Junction railway station
Coimbatore Junction railway station is a major railway hub in Tamil Nadu, India, serving as the primary rail gateway to the city of Coimbatore and an important junction on the Southern Railway network.
|
E179713
|
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: Coimbatore Junction railway station | Statement: [Coimbatore, hasRailwayStation, Coimbatore Junction railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Coimbatore Junction railway station Context triple: [Coimbatore, hasRailwayStation, Coimbatore Junction railway station]
-
A.
Tiruchirappalli Junction railway station
Tiruchirappalli Junction railway station is a major railway hub in Tamil Nadu, India, serving as one of the busiest and most important junctions in the Southern Railway zone.
-
B.
Thanjavur Junction railway station
Thanjavur Junction railway station is a major railway hub in Tamil Nadu, India, serving the historic city of Thanjavur and connecting it to key destinations across the region.
-
C.
Chennai Egmore railway station
Chennai Egmore railway station is one of the major railway terminals in Chennai, India, serving as a key hub for regional and long-distance trains, especially to southern Tamil Nadu.
-
D.
Chennai Central railway station
Chennai Central railway station is a major historic railway terminus and one of the busiest transport hubs in South India, serving as a key gateway to the city of Chennai and beyond.
-
E.
Tirupati railway station
Tirupati railway station is a major rail hub in Andhra Pradesh, India, serving as the primary gateway for pilgrims visiting the famous Tirumala Venkateswara Temple.
- 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: Coimbatore Junction railway station Triple: [Coimbatore, hasRailwayStation, Coimbatore Junction railway station]
Generated description
Coimbatore Junction railway station is a major railway hub in Tamil Nadu, India, serving as the primary rail gateway to the city of Coimbatore and an important junction on the Southern Railway network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Coimbatore Junction railway station Target entity description: Coimbatore Junction railway station is a major railway hub in Tamil Nadu, India, serving as the primary rail gateway to the city of Coimbatore and an important junction on the Southern Railway network.
-
A.
Tiruchirappalli Junction railway station
Tiruchirappalli Junction railway station is a major railway hub in Tamil Nadu, India, serving as one of the busiest and most important junctions in the Southern Railway zone.
-
B.
Thanjavur Junction railway station
Thanjavur Junction railway station is a major railway hub in Tamil Nadu, India, serving the historic city of Thanjavur and connecting it to key destinations across the region.
-
C.
Chennai Egmore railway station
Chennai Egmore railway station is one of the major railway terminals in Chennai, India, serving as a key hub for regional and long-distance trains, especially to southern Tamil Nadu.
-
D.
Chennai Central railway station
Chennai Central railway station is a major historic railway terminus and one of the busiest transport hubs in South India, serving as a key gateway to the city of Chennai and beyond.
-
E.
Tirupati railway station
Tirupati railway station is a major rail hub in Andhra Pradesh, India, serving as the primary gateway for pilgrims visiting the famous Tirumala Venkateswara Temple.
- 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_69a885f11b048190935025a035302715 |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69a908b67304819081ad555000e51197 |
completed | March 5, 2026, 4:38 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad4023da008190a947cf0d2983df2e |
completed | March 8, 2026, 9:23 a.m. |
| NEDg | Description generation | batch_69ad410ba7f881909dcee6e6fd56490f |
completed | March 8, 2026, 9:27 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ad41ff0b0c8190b5429ed6952a0ce6 |
completed | March 8, 2026, 9:31 a.m. |
Created at: March 4, 2026, 7:27 p.m.