Triple
T37837362
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | North Side Main Line (CTA Red Line) |
E943372
|
entity |
| Predicate | undergoingConstruction |
P157751
|
FINISHED |
| Object | track and station reconstruction |
—
|
LITERAL 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: track and station reconstruction | Statement: [North Side Main Line (CTA Red Line), undergoingConstruction, track and station reconstruction]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: undergoingConstruction Context triple: [North Side Main Line (CTA Red Line), undergoingConstruction, track and station reconstruction]
-
A.
cityDuringConstruction
Indicates that a city exists or is relevant during the time period in which a particular construction activity or project is taking place.
-
B.
mainConstructionPhaseUnder
Indicates that one construction phase occurs under or is subordinate to another primary construction phase in a project’s timeline or hierarchy.
-
C.
constructionState
chosen
Indicates the current phase or status of progress in a construction or building process.
-
D.
roadConstruction
Indicates that construction work is being carried out on a road, typically involving building, repairing, or modifying the roadway infrastructure.
-
E.
hasRailwayLineUnderConstruction
Indicates that a railway line associated with an entity is currently in the process of being built but not yet completed.
- F. None of above.
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_69f76eeb0f7081908d6d3adbc469889c |
completed | May 3, 2026, 3:51 p.m. |
| NER | Named-entity recognition | batch_69fdbc5ef46c8190bbcfb9798f4615b7 |
completed | May 8, 2026, 10:35 a.m. |
| PD | Predicate disambiguation | batch_69fdbb270338819082ce3f73903e884f |
completed | May 8, 2026, 10:29 a.m. |
Created at: May 3, 2026, 4:19 p.m.