Triple
T3224376
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Roxbury Crossing station |
E67587
|
entity |
| Predicate | rebuildRelatedTo |
P41357
|
FINISHED |
| Object | Southwest Corridor project |
E310522
|
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: Southwest Corridor project | Statement: [Roxbury Crossing station, rebuildRelatedTo, Southwest Corridor project]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Southwest Corridor project Context triple: [Roxbury Crossing station, rebuildRelatedTo, Southwest Corridor project]
-
A.
Crenshaw/LAX Transit Project
The Crenshaw/LAX Transit Project is a Los Angeles Metro rail expansion initiative designed to improve transit access along the Crenshaw Corridor and provide a key light rail connection to the Los Angeles International Airport area.
-
B.
Central Artery/Tunnel Project
chosen
The Central Artery/Tunnel Project, commonly known as the "Big Dig," was a massive Boston infrastructure megaproject that rerouted the city’s central highway into tunnels to reduce congestion and reclaim urban space.
-
C.
Alameda Corridor
The Alameda Corridor is a 20-mile freight rail expressway in Los Angeles County that consolidates and streamlines cargo movement between the region’s ports and the national rail network.
-
D.
Peninsula rail corridor
The Peninsula rail corridor is the major rail line running through California’s San Francisco Peninsula, carrying both commuter and intercity trains between San Francisco and the South Bay.
-
E.
Altamont Corridor Express
Altamont Corridor Express is a commuter rail service in Northern California that connects Central Valley communities with the San Francisco Bay Area.
- 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: rebuildRelatedTo Context triple: [Roxbury Crossing station, rebuildRelatedTo, Southwest Corridor project]
-
A.
relatedTo
Indicates a general, non-specific relationship or association exists between two entities.
-
B.
rebuild
chosen
Indicates restoring or constructing again something that was previously built, often after damage, destruction, or significant alteration.
-
C.
relatedField
Indicates that one field, topic, or area of study is connected or relevant to another in subject matter or application.
-
D.
multipleRelation
Indicates that an entity is involved in more than one distinct relationship of the specified type with other entities.
-
E.
relationToCreation
Indicates the nature of a connection or involvement an entity has with the origin, production, or bringing-into-existence of something.
- F. None of above.
Provenance (4 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_69ad858b8adc8190ad989712c87a476b |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69adae1ae8f08190880d0f0e8539cdbc |
completed | March 8, 2026, 5:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b2625a22148190927b2a63ae3fc726 |
completed | March 12, 2026, 6:51 a.m. |
| PD | Predicate disambiguation | batch_69ad9e0bb6c48190a0659c67d40ee37c |
completed | March 8, 2026, 4:04 p.m. |
Created at: March 8, 2026, 3:08 p.m.