Triple
T9624905
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Umballa, British India |
E232434
|
entity |
| Predicate | hadRailwayStation |
P89322
|
FINISHED |
| Object |
Umballa railway station
Umballa railway station was a colonial-era train station in Umballa (now Ambala) that served as a key rail hub in British India.
|
E810276
|
NE FINISHED |
How this triple was built (5 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: Umballa railway station | Statement: [Umballa, British India, hadRailwayStation, Umballa railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Umballa railway station Context triple: [Umballa, British India, hadRailwayStation, Umballa railway station]
-
A.
Umaria railway station
Umaria railway station is a regional rail hub in Umaria, Madhya Pradesh, India, serving as a key stop on the Katni–Bilaspur line and providing passenger and freight connectivity for the surrounding area.
-
B.
Ballia railway station
Ballia railway station is a key rail transit hub in Uttar Pradesh, India, serving the town of Ballia and connecting it to major cities in the region.
-
C.
Kanchrapara railway station
Kanchrapara railway station is a suburban railway station in West Bengal, India, serving the town of Kanchrapara on the Kolkata Suburban Railway network.
-
D.
Balrampur railway station
Balrampur railway station is a regional rail hub in Balrampur, Uttar Pradesh, serving as a key point for passenger and local train connectivity in the area.
-
E.
Ballari Junction railway station
Ballari Junction railway station is a major railway hub in the city of Ballari in Karnataka, India, serving as an important junction for regional and long-distance train services.
- 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: Umballa railway station Triple: [Umballa, British India, hadRailwayStation, Umballa railway station]
Generated description
Umballa railway station was a colonial-era train station in Umballa (now Ambala) that served as a key rail hub in British India.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Umballa railway station Target entity description: Umballa railway station was a colonial-era train station in Umballa (now Ambala) that served as a key rail hub in British India.
-
A.
Umaria railway station
Umaria railway station is a regional rail hub in Umaria, Madhya Pradesh, India, serving as a key stop on the Katni–Bilaspur line and providing passenger and freight connectivity for the surrounding area.
-
B.
Ballia railway station
Ballia railway station is a key rail transit hub in Uttar Pradesh, India, serving the town of Ballia and connecting it to major cities in the region.
-
C.
Kanchrapara railway station
Kanchrapara railway station is a suburban railway station in West Bengal, India, serving the town of Kanchrapara on the Kolkata Suburban Railway network.
-
D.
Balrampur railway station
Balrampur railway station is a regional rail hub in Balrampur, Uttar Pradesh, serving as a key point for passenger and local train connectivity in the area.
-
E.
Ballari Junction railway station
Ballari Junction railway station is a major railway hub in the city of Ballari in Karnataka, India, serving as an important junction for regional and long-distance train services.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hadRailwayStation Context triple: [Umballa, British India, hadRailwayStation, Umballa railway station]
-
A.
hasRailwayStation
Indicates that a place or location is served by, or contains, a railway station.
-
B.
hasRailStation
Indicates that one entity possesses, contains, or is served by a rail station.
-
C.
formerRailwayStation
Indicates that a location previously functioned as a railway station but is no longer in active railway service.
-
D.
hasHeritageRailwayStation
Indicates that an entity possesses or is associated with a railway station that is preserved or operated as a heritage or historical railway facility.
-
E.
hasRailwayStationOn
Indicates that a railway station is located on or serves a particular railway line, route, or network segment.
- F. None of above. chosen
Provenance (7 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_69ca848793ec8190a93a12383a754dc0 |
completed | March 30, 2026, 2:11 p.m. |
| NER | Named-entity recognition | batch_69cd9ad76b148190a38fadee06594db4 |
completed | April 1, 2026, 10:23 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1797ab3d4819088da04fd5d00386b |
completed | April 4, 2026, 8:50 p.m. |
| NEDg | Description generation | batch_69d17a96725c8190aca4a5303952171b |
completed | April 4, 2026, 8:54 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d17b3559548190afe2bbf7cbf8a2af |
completed | April 4, 2026, 8:57 p.m. |
| PD | Predicate disambiguation | batch_69ccd5aa1d2c8190a287bf1cf4a3037e |
completed | April 1, 2026, 8:22 a.m. |
| PDg | Predicate description generation | batch_69ccd93fc45c8190a823305e461e581d |
completed | April 1, 2026, 8:37 a.m. |
Created at: March 30, 2026, 8:10 p.m.