Triple
T7175686
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Istanbul Metro |
E167312
|
entity |
| Predicate | hasLine |
P35
|
FINISHED |
| Object |
M42 line
The M42 line is a metro line within the Istanbul Metro rapid transit network in Istanbul, Turkey.
|
E646544
|
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: M42 line | Statement: [Istanbul Metro, hasLine, M42 line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: M42 line Context triple: [Istanbul Metro, hasLine, M42 line]
-
A.
M42
M42 is a major motorway in the West Midlands region of England that forms part of the orbital route around Birmingham and connects several key motorways.
-
B.
M42
M42, also known as the Orion Nebula, is a bright, nearby stellar nursery where new stars are actively forming within the constellation Orion.
-
C.
Orion Bar
Orion Bar is a bright, elongated photodissociation region at the edge of the Orion Nebula, where intense ultraviolet radiation from young massive stars shapes and illuminates dense molecular gas and dust.
-
D.
Barnard's Loop
Barnard's Loop is a large, faint emission nebula forming a sweeping arc across the constellation Orion, believed to be the remnant of ancient supernova activity.
-
E.
Monoceros Stream
Monoceros Stream is a vast, ring-like stellar structure encircling the Milky Way, thought to be the remnant of a disrupted dwarf galaxy or outer disk feature.
- 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: M42 line Triple: [Istanbul Metro, hasLine, M42 line]
Generated description
The M42 line is a metro line within the Istanbul Metro rapid transit network in Istanbul, Turkey.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: M42 line Target entity description: The M42 line is a metro line within the Istanbul Metro rapid transit network in Istanbul, Turkey.
-
A.
M42
M42 is a major motorway in the West Midlands region of England that forms part of the orbital route around Birmingham and connects several key motorways.
-
B.
M42
M42, also known as the Orion Nebula, is a bright, nearby stellar nursery where new stars are actively forming within the constellation Orion.
-
C.
Orion Bar
Orion Bar is a bright, elongated photodissociation region at the edge of the Orion Nebula, where intense ultraviolet radiation from young massive stars shapes and illuminates dense molecular gas and dust.
-
D.
Barnard's Loop
Barnard's Loop is a large, faint emission nebula forming a sweeping arc across the constellation Orion, believed to be the remnant of ancient supernova activity.
-
E.
Monoceros Stream
Monoceros Stream is a vast, ring-like stellar structure encircling the Milky Way, thought to be the remnant of a disrupted dwarf galaxy or outer disk feature.
- 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_69c7b9281e808190ac2a8ad585a70ea0 |
completed | March 28, 2026, 11:19 a.m. |
| NEDg | Description generation | batch_69c7b9993f40819098c59865a3e64532 |
completed | March 28, 2026, 11:20 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c7ba4f196c8190b29e6ddc091f11a6 |
completed | March 28, 2026, 11:23 a.m. |
Created at: March 27, 2026, 2:48 p.m.