Triple
T807199
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MAX Light Rail |
E17464
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Pioneer Courthouse Square station
Pioneer Courthouse Square station is a central downtown Portland MAX Light Rail stop serving multiple lines adjacent to the city’s main public square.
|
E116914
|
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: Pioneer Courthouse Square station | Statement: [MAX Light Rail, hasStation, Pioneer Courthouse Square station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pioneer Courthouse Square station Context triple: [MAX Light Rail, hasStation, Pioneer Courthouse Square station]
-
A.
Brigham Circle station
Brigham Circle station is a light rail stop on the MBTA Green Line E branch located in Boston’s Mission Hill neighborhood.
-
B.
Montgomery Street station
Montgomery Street station is a major Bay Area Rapid Transit (BART) and Muni Metro subway station serving downtown San Francisco’s Financial District.
-
C.
Pearl/Arts District station
Pearl/Arts District station is a Dallas Area Rapid Transit (DART) light rail station serving downtown Dallas and the adjacent Arts District.
-
D.
Fremont station
Fremont station is a Bay Area Rapid Transit (BART) rail station serving the city of Fremont in the southeastern San Francisco Bay Area.
-
E.
Heath Street station
Heath Street station is the southern terminus of the MBTA Green Line E branch, serving Boston’s Mission Hill neighborhood with light rail service.
- 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: Pioneer Courthouse Square station Triple: [MAX Light Rail, hasStation, Pioneer Courthouse Square station]
Generated description
Pioneer Courthouse Square station is a central downtown Portland MAX Light Rail stop serving multiple lines adjacent to the city’s main public square.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pioneer Courthouse Square station Target entity description: Pioneer Courthouse Square station is a central downtown Portland MAX Light Rail stop serving multiple lines adjacent to the city’s main public square.
-
A.
Brigham Circle station
Brigham Circle station is a light rail stop on the MBTA Green Line E branch located in Boston’s Mission Hill neighborhood.
-
B.
Montgomery Street station
Montgomery Street station is a major Bay Area Rapid Transit (BART) and Muni Metro subway station serving downtown San Francisco’s Financial District.
-
C.
Pearl/Arts District station
Pearl/Arts District station is a Dallas Area Rapid Transit (DART) light rail station serving downtown Dallas and the adjacent Arts District.
-
D.
Fremont station
Fremont station is a Bay Area Rapid Transit (BART) rail station serving the city of Fremont in the southeastern San Francisco Bay Area.
-
E.
Heath Street station
Heath Street station is the southern terminus of the MBTA Green Line E branch, serving Boston’s Mission Hill neighborhood with light rail service.
- 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_69a4937ae8a08190b5084a03d532b30e |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4ab23862c8190bfd6558936c58410 |
completed | March 1, 2026, 9:09 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac2578477c8190983de0a1065ad8ec |
completed | March 7, 2026, 1:17 p.m. |
| NEDg | Description generation | batch_69ac2668ca7481909c4babe382604df5 |
completed | March 7, 2026, 1:21 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac26f947d481908ab1b7115cf9dee7 |
completed | March 7, 2026, 1:24 p.m. |
Created at: March 1, 2026, 7:38 p.m.