Triple
T17227800
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pontypool and Blaenavon Railway |
E418162
|
entity |
| Predicate | hasDepot |
P2413
|
FINISHED |
| Object |
Furnace Sidings depot
Furnace Sidings depot is a heritage railway maintenance and storage facility serving the Pontypool and Blaenavon Railway in South Wales.
|
E1257350
|
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: Furnace Sidings depot | Statement: [Pontypool and Blaenavon Railway, hasDepot, Furnace Sidings depot]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Furnace Sidings depot Context triple: [Pontypool and Blaenavon Railway, hasDepot, Furnace Sidings depot]
-
A.
Electric Depot No. 2
Electric Depot No. 2 is a maintenance and storage facility serving the rolling stock and operations of the Baku Metro system in Azerbaijan.
-
B.
Etiwanda Depot
Etiwanda Depot is a historic railroad station in the Etiwanda area of Rancho Cucamonga, California, preserved as a landmark reflecting the region’s early transportation and citrus-industry heritage.
-
C.
Stonebridge Park depot
Stonebridge Park depot is a London Underground maintenance and stabling facility serving trains on the Bakerloo line.
-
D.
Nangang Depot
Nangang Depot is a major maintenance and storage facility serving Taipei's metro system in the Nangang District.
-
E.
Kikuna Depot
Kikuna Depot is a railway maintenance and storage facility in Yokohama that services Tokyo Metro rolling stock such as the 8000 series trains.
- 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: Furnace Sidings depot Triple: [Pontypool and Blaenavon Railway, hasDepot, Furnace Sidings depot]
Generated description
Furnace Sidings depot is a heritage railway maintenance and storage facility serving the Pontypool and Blaenavon Railway in South Wales.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Furnace Sidings depot Target entity description: Furnace Sidings depot is a heritage railway maintenance and storage facility serving the Pontypool and Blaenavon Railway in South Wales.
-
A.
Electric Depot No. 2
Electric Depot No. 2 is a maintenance and storage facility serving the rolling stock and operations of the Baku Metro system in Azerbaijan.
-
B.
Etiwanda Depot
Etiwanda Depot is a historic railroad station in the Etiwanda area of Rancho Cucamonga, California, preserved as a landmark reflecting the region’s early transportation and citrus-industry heritage.
-
C.
Stonebridge Park depot
Stonebridge Park depot is a London Underground maintenance and stabling facility serving trains on the Bakerloo line.
-
D.
Nangang Depot
Nangang Depot is a major maintenance and storage facility serving Taipei's metro system in the Nangang District.
-
E.
Kikuna Depot
Kikuna Depot is a railway maintenance and storage facility in Yokohama that services Tokyo Metro rolling stock such as the 8000 series trains.
- 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_69d886d8e96081909870bff6c3d0bf09 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e42de239a08190936a1d635b0b1b87 |
completed | April 19, 2026, 1:20 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a01675eae08819093427b4dc1ffee5f |
completed | May 11, 2026, 5:21 a.m. |
| NEDg | Description generation | batch_6a016a1f6eac8190951ae30f37144d2a |
completed | May 11, 2026, 5:33 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a016a92af248190aaed36040486bf40 |
completed | May 11, 2026, 5:35 a.m. |
Created at: April 10, 2026, 5:39 a.m.