Triple

T5172203

Position	Surface form	Disambiguated ID	Type / Status
Subject	Howard station	`E116709`	entity
Predicate	hasAdjacentStationOnPurpleLine	`P62146`	FINISHED
Object	South Boulevard station	`E180341`	NE FINISHED

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: South Boulevard station | Statement: [Howard station, hasAdjacentStationOnPurpleLine, South Boulevard station]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: South Boulevard station
Context triple: [Howard station, hasAdjacentStationOnPurpleLine, South Boulevard station]

A. South Boulevard station chosen
South Boulevard station is a Chicago Transit Authority 'L' rapid transit stop on the Purple Line serving the Evanston area just north of Chicago.
B. North Avenue station
North Avenue station is a transit stop on Baltimore's Light Rail system serving the North Avenue corridor in Baltimore, Maryland.
C. North Avenue station
North Avenue station is a major elevated rail station in Quezon City, Philippines, serving as a key commuter hub on Manila’s MRT Line 3.
D. Snelling Avenue Station
Snelling Avenue Station is a light rail stop in Saint Paul, Minnesota, serving the METRO Green Line and providing access to nearby neighborhoods and commercial areas.
E. American Boulevard Station
American Boulevard Station is a light rail stop on Metro Transit's Blue Line serving the Bloomington, Minnesota area near the Mall of America.
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: hasAdjacentStationOnPurpleLine
Context triple: [Howard station, hasAdjacentStationOnPurpleLine, South Boulevard station]

A. adjacentStationOnPurpleLineExpress
Indicates that one station is directly next to another station along the Purple Line Express route.
B. adjacentStationOnPinkLine
Indicates that one station is directly next to another station along the Pink Line route.
C. hasAdjacentStationOnRedLine
Indicates that one station is directly next to another station along the red transit line, with no other stations in between.
D. hasAdjacentStationOnGreenLine
Indicates that one station is directly next to another station along the Green Line.
E. adjacentStationOnOrangeLine
Indicates that one station is directly next to another station along the Orange Line, with no other stations in between.
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_69bd445ff97c81909a2615cc56235470`	completed	March 20, 2026, 12:58 p.m.
NER	Named-entity recognition	`batch_69bd795252a481908634779f3f656574`	completed	March 20, 2026, 4:44 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69bf4110cbbc8190858ad55ac501a034`	completed	March 22, 2026, 1:08 a.m.
PD	Predicate disambiguation	`batch_69bd77b529948190b86671ebe43f4734`	completed	March 20, 2026, 4:37 p.m.
PDg	Predicate description generation	`batch_69bd79251b548190918a1eb930e24c22`	completed	March 20, 2026, 4:43 p.m.

Created at: March 20, 2026, 1:45 p.m.