Triple
T19682247
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metro Orange Line |
E472621
|
entity |
| Predicate | servesDowntownStation |
P68209
|
FINISHED |
| Object | Metro Center |
—
|
NE NERFINISHED |
How this triple was built (3 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: Metro Center | Statement: [Metro Orange Line, servesDowntownStation, Metro Center]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metro Center Context triple: [Metro Orange Line, servesDowntownStation, Metro Center]
-
A.
Gary Metro Center
Gary Metro Center is a major intermodal transit hub in downtown Gary, Indiana, serving South Shore Line commuter rail along with local and regional bus services.
-
B.
Metropolitan Center
Metropolitan Center is an indoor sports arena in Bloomington, Minnesota, that formerly served as the home venue for the NHL’s Minnesota North Stars and the ABA’s Minnesota Muskies.
-
C.
Metropolitan Center
Metropolitan Center was the original name of Boston’s historic Wang Theatre, a prominent venue for live performances and cultural events.
-
D.
Metro Center area
chosen
The Metro Center area is a major commercial and transit hub in downtown Washington, D.C., known for its dense concentration of offices, shops, and connections between multiple Metrorail lines.
-
E.
Center City Concourse
Center City Concourse is an extensive underground pedestrian and transit concourse network in downtown Philadelphia that links multiple subway and regional rail stations with nearby buildings.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: servesDowntownStation Context triple: [Metro Orange Line, servesDowntownStation, Metro Center]
-
A.
servesDowntownArea
chosen
Indicates that an entity provides service or coverage to the downtown area.
-
B.
alsoServesCenterCityStation
Indicates that a transportation service or route, in addition to its primary destination or stop, also serves Center City Station as part of its operation.
-
C.
isDowntownEndpointOf
Indicates that a location serves as the downtown terminus or endpoint of a route, line, or path.
-
D.
hasDowntownLoopStation
Indicates that an entity includes or is served by a station located on a downtown loop transit line.
-
E.
isDowntownHub
Indicates that a location functions as a central, primary hub within a city’s downtown area.
- F. None of above.
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_69d8e514f2e08190ba70a4449519d218 |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e641c05964819093d3124b8f174001 |
completed | April 20, 2026, 3:09 p.m. |
| PD | Predicate disambiguation | batch_69e53039ea808190a9106a53f564ab92 |
completed | April 19, 2026, 7:42 p.m. |
Created at: April 10, 2026, 1:45 p.m.