Triple
T16691506
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mexico City Metro Line 8 |
E405602
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Obrera metro station |
E807390
|
NE FINISHED |
How this triple was built (2 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: Obrera metro station | Statement: [Mexico City Metro Line 8, hasStation, Obrera metro station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Obrera metro station Context triple: [Mexico City Metro Line 8, hasStation, Obrera metro station]
-
A.
Obrera station
chosen
Obrera station is a Mexico City Metro station on Line 8 serving the Obrera neighborhood in the Cuauhtémoc borough.
-
B.
Ópera metro station
Ópera metro station is a Madrid Metro station located near the historic city center, serving as a key access point to landmarks such as the Royal Opera House and Plaza de Oriente.
-
C.
Barrikadnaya metro station
Barrikadnaya metro station is a Moscow Metro station on the Tagansko–Krasnopresnenskaya line, known for its central location and distinctive Soviet-era architectural design.
-
D.
Politechnika metro station
Politechnika metro station is an underground station on Line M1 of the Warsaw Metro, serving the area around the Warsaw University of Technology and a major transport hub in central Warsaw.
-
E.
Frunzenskaya metro station
Frunzenskaya metro station is a Moscow Metro station on the Sokolnicheskaya Line, known for its deep-level construction and classic Soviet-era architectural design.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d8838c28748190b3f5967c743940ab |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e37ea99bac8190a6c559ed7b7d8ecd |
completed | April 18, 2026, 12:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a009d36aa90819090b738c1c94dcb9f |
completed | May 10, 2026, 2:59 p.m. |
Created at: April 10, 2026, 5:19 a.m.