Triple
T15532487
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Green Line at Clark/Lake |
E370253
|
entity |
| Predicate | hasServicePattern |
P849
|
FINISHED |
| Object | Green Line South Side Main Line trains |
E488863
|
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: Green Line South Side Main Line trains | Statement: [Green Line at Clark/Lake, hasServicePattern, Green Line South Side Main Line trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Green Line South Side Main Line trains Context triple: [Green Line at Clark/Lake, hasServicePattern, Green Line South Side Main Line trains]
-
A.
Green Line South Side Main Line
chosen
The Green Line South Side Main Line is a rapid transit route on Chicago's 'L' system that runs along the city's South Side, connecting multiple neighborhoods to the downtown Loop.
-
B.
Green Line southern leg
The Green Line southern leg is the portion of Washington, D.C.’s Metrorail Green Line that runs south from downtown through neighborhoods such as Anacostia toward the system’s southern terminus.
-
C.
Green Line (CTA) main line
The Green Line (CTA) main line is a principal rapid transit route in Chicago’s 'L' system, running primarily along the South and West Sides and serving as a core corridor that branches to multiple termini.
-
D.
Blue Line trains
Blue Line trains are rapid transit trains operating on the MBTA’s Blue Line in the Boston metropolitan area, connecting downtown Boston with East Boston and surrounding coastal neighborhoods.
-
E.
Red Line and Mattapan Line
Red Line and Mattapan Line are two interconnected public transit rail services in the Boston area’s MBTA system, with the Mattapan Line operating as a light rail/heritage trolley branch off the Red Line.
- 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_69d85cc521a08190921fb50319dddc34 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69e0414877d88190804ee76566004e13 |
completed | April 16, 2026, 1:54 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff3d5e82a48190bb0a10ebc2412129 |
completed | May 9, 2026, 1:57 p.m. |
Created at: April 10, 2026, 4:06 a.m.