Triple
T7481009
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Red Line (Lisbon Metro) |
E176756
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Alameda station
Alameda station is an underground interchange station on the Lisbon Metro system, serving as a key connection point between multiple metro lines in the city.
|
E667760
|
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: Alameda station | Statement: [Red Line (Lisbon Metro), hasStation, Alameda station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Alameda station Context triple: [Red Line (Lisbon Metro), hasStation, Alameda station]
-
A.
San Leandro station
San Leandro station is a Bay Area Rapid Transit (BART) station in San Leandro, California, serving as a key stop on lines connecting the East Bay with the broader San Francisco Bay Area rail network.
-
B.
West Oakland station
West Oakland station is a Bay Area Rapid Transit (BART) station in Oakland, California, serving as a key stop near the eastern approach to the San Francisco–Oakland Bay Bridge.
-
C.
Millbrae station
Millbrae station is a major intermodal transit hub in Millbrae, California, serving as a connection point between Caltrain commuter rail, BART rapid transit, and other local transportation services.
-
D.
North Berkeley station
North Berkeley station is a Bay Area Rapid Transit (BART) station in Berkeley, California, serving as a local transit hub on the system’s Richmond line.
-
E.
Emeryville station
Emeryville station is a major Amtrak rail terminal in Emeryville, California, serving as the primary San Francisco–area hub and western terminus for long-distance routes like the California Zephyr.
- 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: Alameda station Triple: [Red Line (Lisbon Metro), hasStation, Alameda station]
Generated description
Alameda station is an underground interchange station on the Lisbon Metro system, serving as a key connection point between multiple metro lines in the city.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Alameda station Target entity description: Alameda station is an underground interchange station on the Lisbon Metro system, serving as a key connection point between multiple metro lines in the city.
-
A.
San Leandro station
San Leandro station is a Bay Area Rapid Transit (BART) station in San Leandro, California, serving as a key stop on lines connecting the East Bay with the broader San Francisco Bay Area rail network.
-
B.
West Oakland station
West Oakland station is a Bay Area Rapid Transit (BART) station in Oakland, California, serving as a key stop near the eastern approach to the San Francisco–Oakland Bay Bridge.
-
C.
Millbrae station
Millbrae station is a major intermodal transit hub in Millbrae, California, serving as a connection point between Caltrain commuter rail, BART rapid transit, and other local transportation services.
-
D.
North Berkeley station
North Berkeley station is a Bay Area Rapid Transit (BART) station in Berkeley, California, serving as a local transit hub on the system’s Richmond line.
-
E.
Emeryville station
Emeryville station is a major Amtrak rail terminal in Emeryville, California, serving as the primary San Francisco–area hub and western terminus for long-distance routes like the California Zephyr.
- 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_69c69f236ce08190a04d7679f03b29b2 |
completed | March 27, 2026, 3:15 p.m. |
| NER | Named-entity recognition | batch_69c6f534aa388190b3bb3e16be3a54c8 |
completed | March 27, 2026, 9:23 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c83c655fcc8190a23d8dd69a70431c |
completed | March 28, 2026, 8:39 p.m. |
| NEDg | Description generation | batch_69c83d047acc8190bd635a6705e1d2ee |
completed | March 28, 2026, 8:41 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c83d8065f88190ae9340b70388fbe2 |
completed | March 28, 2026, 8:43 p.m. |
Created at: March 27, 2026, 3:42 p.m.