Triple
T9682100
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 63rd Street |
E234306
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Ashland branch of the Green Line (historically via Englewood branch) |
E439507
|
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: Ashland branch of the Green Line (historically via Englewood branch) | Statement: [63rd Street, servedBy, Ashland branch of the Green Line (historically via Englewood branch)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ashland branch of the Green Line (historically via Englewood branch) Context triple: [63rd Street, servedBy, Ashland branch of the Green Line (historically via Englewood branch)]
-
A.
Green Line Ashland/63rd Branch
chosen
The Green Line Ashland/63rd Branch is a Chicago 'L' rapid transit branch on the CTA's Green Line that runs through the city's South Side to the Ashland/63rd terminal.
-
B.
Green Line branches
Green Line branches are the multiple service routes of Boston's MBTA Green Line light rail system that diverge to serve different neighborhoods and suburbs.
-
C.
Ashland station (Green Line)
Ashland station (Green Line) is an elevated Chicago 'L' rapid transit station on the Chicago Transit Authority’s Green Line.
-
D.
Green Line E branch streetcar (surface portion)
The Green Line E branch streetcar (surface portion) is the above-ground segment of Boston’s MBTA Green Line E branch that historically ran along Huntington Avenue and surrounding streets, serving local neighborhoods with light rail service.
-
E.
Highland Branch (Green Line D)
Highland Branch (Green Line D) is a light rail branch of Boston's MBTA Green Line that runs through the western suburbs, including Newton and Brookline, providing rapid transit service between these communities and downtown Boston.
- 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_69ca84c99e34819092e5563a7106cfca |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cd9c9fec1c8190b2626848cb2c1871 |
completed | April 1, 2026, 10:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d18a3d77c48190b7fcde4708ca3811 |
completed | April 4, 2026, 10:01 p.m. |
Created at: March 30, 2026, 8:16 p.m.