Triple
T3545022
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cooum River |
E74974
|
entity |
| Predicate | crossesInfrastructure |
P27425
|
FINISHED |
| Object | Chennai Central railway station area |
E67294
|
NE FINISHED |
How this triple was built (3 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 Central railway station area | Statement: [Cooum River, crossesInfrastructure, Chennai Central railway station area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chennai Central railway station area Context triple: [Cooum River, crossesInfrastructure, Chennai Central railway station area]
-
A.
Chennai Central railway station
chosen
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.
-
B.
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.
-
C.
Chennai Central Metro
Chennai Central Metro is a major underground interchange station in Chennai, India, connecting the Chennai Metro network with the city’s primary railway terminus and other urban transit services.
-
D.
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.
-
E.
Chepauk
Chepauk is a coastal neighborhood in central Chennai, India, known for the historic M. A. Chidambaram cricket stadium and its proximity to Marina Beach.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: crossesInfrastructure Context triple: [Cooum River, crossesInfrastructure, Chennai Central railway station area]
-
A.
crossingOf
Indicates that one entity serves as the intersection or crossing point of two or more linear features, such as roads, paths, or tracks.
-
B.
crossesBetween
Indicates that one entity passes from one side of a second entity to the other, traversing the space between two reference points or boundaries associated with that second entity.
-
C.
crossesIn
chosen
Indicates that one entity passes over or through the path, boundary, or area occupied by another entity, intersecting its space or trajectory.
-
D.
crossesTo
Indicates that one entity moves or extends from one side or area to another, passing over or through some boundary or intervening space.
-
E.
crossesNear
Indicates that one entity passes across the path or area of another entity at a location that is close to, but not directly intersecting, the other entity.
- F. None of above.
Provenance (4 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_69ad85d274cc8190ab59c97298a1cfbf |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adbf77d938819095c72a88b5af644a |
completed | March 8, 2026, 6:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b38bdfe5748190b2de831635221ce1 |
completed | March 13, 2026, 4 a.m. |
| PD | Predicate disambiguation | batch_69adae15749881909b847c6ca73c934e |
completed | March 8, 2026, 5:12 p.m. |
Created at: March 8, 2026, 3:20 p.m.