Triple
T1752584
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Howrah |
E38476
|
entity |
| Predicate | hasRailwayYard |
P18851
|
FINISHED |
| Object |
Liluah railway yard
Liluah railway yard is a major railway maintenance and marshalling facility near Howrah in West Bengal, India, known for its workshops and rolling stock operations.
|
E196590
|
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: Liluah railway yard | Statement: [Howrah, hasRailwayYard, Liluah railway yard]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Liluah railway yard Context triple: [Howrah, hasRailwayYard, Liluah railway yard]
-
A.
Pontinha depot
Pontinha depot is a maintenance and storage facility serving the Lisbon Metro system in Lisbon, Portugal.
-
B.
Jubany Station
Jubany Station is an Argentine Antarctic research base located on King George Island near the Antarctic Peninsula, supporting scientific studies in fields such as glaciology, biology, and atmospheric science.
-
C.
Wellington Yard
Wellington Yard is a railway yard associated with Wellington station, used for storing, organizing, and managing trains and rolling stock.
-
D.
Damanhur railway station
Damanhur railway station is a regional train station in the city of Damanhur, Egypt, serving as a stop on the main line between Alexandria and Cairo.
-
E.
Irondale rail yard
Irondale rail yard is a major freight rail facility in Irondale, Alabama, serving as a key hub for train operations, switching, and cargo handling in the region.
- 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: Liluah railway yard Triple: [Howrah, hasRailwayYard, Liluah railway yard]
Generated description
Liluah railway yard is a major railway maintenance and marshalling facility near Howrah in West Bengal, India, known for its workshops and rolling stock operations.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Liluah railway yard Target entity description: Liluah railway yard is a major railway maintenance and marshalling facility near Howrah in West Bengal, India, known for its workshops and rolling stock operations.
-
A.
Pontinha depot
Pontinha depot is a maintenance and storage facility serving the Lisbon Metro system in Lisbon, Portugal.
-
B.
Jubany Station
Jubany Station is an Argentine Antarctic research base located on King George Island near the Antarctic Peninsula, supporting scientific studies in fields such as glaciology, biology, and atmospheric science.
-
C.
Wellington Yard
Wellington Yard is a railway yard associated with Wellington station, used for storing, organizing, and managing trains and rolling stock.
-
D.
Damanhur railway station
Damanhur railway station is a regional train station in the city of Damanhur, Egypt, serving as a stop on the main line between Alexandria and Cairo.
-
E.
Irondale rail yard
Irondale rail yard is a major freight rail facility in Irondale, Alabama, serving as a key hub for train operations, switching, and cargo handling in the region.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasRailwayYard Context triple: [Howrah, hasRailwayYard, Liluah railway yard]
-
A.
hasRailYard
chosen
Indicates that one entity possesses, contains, or includes a rail yard as part of its facilities or infrastructure.
-
B.
hasRailFacility
Indicates that an entity possesses or is served by a rail-related facility, such as a railway station, terminal, or yard.
-
C.
hasRailwayZone
Indicates that a location or railway entity falls under the jurisdiction or coverage area of a specific railway zone.
-
D.
hasRailStation
Indicates that one entity possesses, contains, or is served by a rail station.
-
E.
hasRailwayStation
Indicates that a place or location is served by, or contains, a railway station.
- F. None of above.
Provenance (6 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_69a8862bdb2081908aefe831c8aa8017 |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69aba6a63f588190b53b39c6b97d74f4 |
completed | March 7, 2026, 4:16 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ada0e625c48190a0fbda31010bdc5f |
completed | March 8, 2026, 4:16 p.m. |
| NEDg | Description generation | batch_69ada1e13d408190b393c00c331125a2 |
completed | March 8, 2026, 4:20 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ada292a34c8190a566c2909342ab27 |
completed | March 8, 2026, 4:23 p.m. |
| PD | Predicate disambiguation | batch_69aa61c7ef4c8190abec87c96a787d82 |
completed | March 6, 2026, 5:10 a.m. |
Created at: March 4, 2026, 7:31 p.m.