Triple
T4569267
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Muni Metro T Third Street line |
E122988
|
entity |
| Predicate | isPartOfCorridor |
P35
|
FINISHED |
| Object | Third Street Light Rail Project |
E73822
|
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: Third Street Light Rail Project | Statement: [Muni Metro T Third Street line, isPartOfCorridor, Third Street Light Rail Project]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Third Street Light Rail Project Context triple: [Muni Metro T Third Street line, isPartOfCorridor, Third Street Light Rail Project]
-
A.
Third Street Light Rail Project Phase 2
chosen
Third Street Light Rail Project Phase 2 is a San Francisco Municipal Railway expansion phase that includes the Central Subway to extend light rail service through downtown and Chinatown.
-
B.
LYNX light rail system
The LYNX light rail system is Charlotte, North Carolina’s urban rail transit network, providing electric passenger service along key corridors such as the Blue Line.
-
C.
DART Light Rail
DART Light Rail is a light rail transit system serving the Dallas–Fort Worth metropolitan area, operated by Dallas Area Rapid Transit.
-
D.
The Tide light rail system
The Tide light rail system is an urban light rail transit network serving the city of Norfolk and surrounding areas in southeastern Virginia.
-
E.
MAX Light Rail
MAX Light Rail is the metropolitan light rail transit system serving the Portland, Oregon, metropolitan area.
- 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_69bd46466c7081909d07f36be2d08804 |
completed | March 20, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69bd58a0dfbc81909b5023f0c29addaf |
completed | March 20, 2026, 2:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bdd3bf54448190a7e65cee1a5c48e3 |
completed | March 20, 2026, 11:09 p.m. |
Created at: March 20, 2026, 1:10 p.m.