Triple
T18308300
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Blue Line (Calgary) |
E438547
|
entity |
| Predicate | servesStation |
P839
|
FINISHED |
| Object |
City Hall station
City Hall station is a light rail transit stop in downtown Calgary, Alberta, serving the city's CTrain network.
|
E1319830
|
NE FINISHED |
How this triple was built (4 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: City Hall station | Statement: [Blue Line (Calgary), servesStation, City Hall station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: City Hall station Context triple: [Blue Line (Calgary), servesStation, City Hall station]
-
A.
City Hall station
City Hall station is a major underground rapid transit stop in Philadelphia located beneath the city's central municipal complex.
-
B.
City Square station
City Square station was a former transit stop in Boston that was decommissioned and superseded by the nearby Community College station on the MBTA Orange Line.
-
C.
Civic Center station
Civic Center station is a major public transit hub in downtown St. Louis, Missouri, serving MetroLink light rail and numerous bus routes near the Enterprise Center arena.
-
D.
Civic Center station
Civic Center station is an urban rapid transit stop in Atlanta, Georgia, serving MARTA’s Red Line near the city’s downtown civic and cultural institutions.
-
E.
Civic Center station
Civic Center station is a rapid transit stop on Miami's Metrorail system serving the city's Health District and nearby civic and government institutions.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: City Hall station Triple: [Blue Line (Calgary), servesStation, City Hall station]
Generated description
City Hall station is a light rail transit stop in downtown Calgary, Alberta, serving the city's CTrain network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: City Hall station Target entity description: City Hall station is a light rail transit stop in downtown Calgary, Alberta, serving the city's CTrain network.
-
A.
City Hall station
City Hall station is a major underground rapid transit stop in Philadelphia located beneath the city's central municipal complex.
-
B.
City Square station
City Square station was a former transit stop in Boston that was decommissioned and superseded by the nearby Community College station on the MBTA Orange Line.
-
C.
Civic Center station
Civic Center station is a major public transit hub in downtown St. Louis, Missouri, serving MetroLink light rail and numerous bus routes near the Enterprise Center arena.
-
D.
Civic Center station
Civic Center station is an urban rapid transit stop in Atlanta, Georgia, serving MARTA’s Red Line near the city’s downtown civic and cultural institutions.
-
E.
Civic Center station
Civic Center station is a rapid transit stop on Miami's Metrorail system serving the city's Health District and nearby civic and government institutions.
- 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_69d8b915e3e881909125d760c15d0c29 |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e50215e0c48190a4679d432b6ee596 |
completed | April 19, 2026, 4:25 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a03cc17dc388190b4c772d0e8d22f42 |
completed | May 13, 2026, 12:55 a.m. |
| NEDg | Description generation | batch_6a03ce0d80388190af227d03e161f163 |
completed | May 13, 2026, 1:04 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a03cf6100448190b0e423f437f60f32 |
completed | May 13, 2026, 1:09 a.m. |
Created at: April 10, 2026, 10:35 a.m.