Triple
T271715
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | B Loop |
E5647
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object | Portland Streetcar, Inc. |
E1081
|
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: Portland Streetcar, Inc. | Statement: [B Loop, operatedBy, Portland Streetcar, Inc.]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Portland Streetcar, Inc. Context triple: [B Loop, operatedBy, Portland Streetcar, Inc.]
-
A.
Portland Streetcar
chosen
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
B.
Southern Street Railway Company
The Southern Street Railway Company was a transit operator that managed portions of Chicago’s streetcar network as part of the Chicago Surface Lines system.
-
C.
TriMet
TriMet is the regional public transportation agency serving the Portland, Oregon metropolitan area, operating buses, light rail, and commuter rail services.
-
D.
Chicago Surface Lines
Chicago Surface Lines was a privately operated streetcar and bus system that provided most of Chicago’s surface public transportation in the first half of the 20th century.
-
E.
Cubic Transportation Systems
Cubic Transportation Systems is a company specializing in automated fare collection and intelligent transportation solutions for public transit systems worldwide.
- 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_69a25853594c8190b05ec3a586ec88bf |
completed | Feb. 28, 2026, 2:52 a.m. |
| NER | Named-entity recognition | batch_69a25dcd2b208190855d5d8d70a3acfc |
completed | Feb. 28, 2026, 3:15 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3949fbdd48190847ef6d7decdc61e |
completed | March 1, 2026, 1:21 a.m. |
Created at: Feb. 28, 2026, 2:57 a.m.