Triple
T7175669
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Istanbul Metro |
E167312
|
entity |
| Predicate | hasLine |
P35
|
FINISHED |
| Object |
M25 line
The M25 line is a metro route within the Istanbul Metro rapid transit network in Istanbul, Turkey.
|
E654721
|
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: M25 line | Statement: [Istanbul Metro, hasLine, M25 line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: M25 line Context triple: [Istanbul Metro, hasLine, M25 line]
-
A.
M25 motorway
The M25 motorway is a major orbital road encircling most of Greater London, serving as one of the busiest and most important transport routes in the United Kingdom.
-
B.
North London line
The North London line is a key orbital railway route in London that runs across the northern part of the city, connecting numerous suburban areas and major interchange stations.
-
C.
M5 line
The M5 line is a fully automated, driverless metro line forming part of Istanbul's rapid transit network on the Asian side of the city.
-
D.
DLR Stratford–Lewisham line
The DLR Stratford–Lewisham line is a Docklands Light Railway route in London that runs from Stratford in the northeast to Lewisham in the southeast, serving key hubs such as Canary Wharf.
-
E.
West London line
The West London line is a north–south railway route in west London that connects Willesden Junction to Clapham Junction, used by both London Overground and other train operators.
- 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: M25 line Triple: [Istanbul Metro, hasLine, M25 line]
Generated description
The M25 line is a metro route within the Istanbul Metro rapid transit network in Istanbul, Turkey.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: M25 line Target entity description: The M25 line is a metro route within the Istanbul Metro rapid transit network in Istanbul, Turkey.
-
A.
M25 motorway
The M25 motorway is a major orbital road encircling most of Greater London, serving as one of the busiest and most important transport routes in the United Kingdom.
-
B.
North London line
The North London line is a key orbital railway route in London that runs across the northern part of the city, connecting numerous suburban areas and major interchange stations.
-
C.
M5 line
The M5 line is a fully automated, driverless metro line forming part of Istanbul's rapid transit network on the Asian side of the city.
-
D.
DLR Stratford–Lewisham line
The DLR Stratford–Lewisham line is a Docklands Light Railway route in London that runs from Stratford in the northeast to Lewisham in the southeast, serving key hubs such as Canary Wharf.
-
E.
West London line
The West London line is a north–south railway route in west London that connects Willesden Junction to Clapham Junction, used by both London Overground and other train operators.
- 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_69c68889a2748190a316c5e65360361a |
completed | March 27, 2026, 1:39 p.m. |
| NER | Named-entity recognition | batch_69c6e88ec6a8819083cbc3f4c39b8c79 |
completed | March 27, 2026, 8:29 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7e516e3708190b4025e1a5e22d537 |
completed | March 28, 2026, 2:26 p.m. |
| NEDg | Description generation | batch_69c7e64cdce48190884b3c5e2ceaf60e |
completed | March 28, 2026, 2:31 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c7e6ac5dd08190bb84259cbb44cba9 |
completed | March 28, 2026, 2:33 p.m. |
Created at: March 27, 2026, 2:48 p.m.