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.