Triple
T4241831
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | North Central Service |
E95430
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Prospect Heights station
Prospect Heights station is a commuter rail stop in Prospect Heights, Illinois, served by Metra’s North Central Service line.
|
E461256
|
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: Prospect Heights station | Statement: [North Central Service, hasStation, Prospect Heights station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Prospect Heights station Context triple: [North Central Service, hasStation, Prospect Heights station]
-
A.
Bloomfield Avenue station
Bloomfield Avenue station is a light rail stop on the Newark Light Rail system in Newark, New Jersey, serving local commuters along the Bloomfield Avenue corridor.
-
B.
Highland Avenue station
Highland Avenue station is a New Jersey Transit commuter rail stop in Orange, New Jersey, serving local passengers on the Morris & Essex Lines.
-
C.
Fairview Avenue station
Fairview Avenue station is a commuter rail stop in Downers Grove, Illinois, serving Metra's BNSF Railway Line in the Chicago metropolitan area.
-
D.
Forest Hills station
Forest Hills station is a major multimodal transit hub in Boston that serves as a key interchange point for MBTA subway, commuter rail, and numerous bus routes.
-
E.
Park Place station
Park Place station is a New York City Subway station in Lower Manhattan that serves the 2 and 3 lines and is part of a larger interconnected transit hub with nearby stations.
- 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: Prospect Heights station Triple: [North Central Service, hasStation, Prospect Heights station]
Generated description
Prospect Heights station is a commuter rail stop in Prospect Heights, Illinois, served by Metra’s North Central Service line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Prospect Heights station Target entity description: Prospect Heights station is a commuter rail stop in Prospect Heights, Illinois, served by Metra’s North Central Service line.
-
A.
Bloomfield Avenue station
Bloomfield Avenue station is a light rail stop on the Newark Light Rail system in Newark, New Jersey, serving local commuters along the Bloomfield Avenue corridor.
-
B.
Highland Avenue station
Highland Avenue station is a New Jersey Transit commuter rail stop in Orange, New Jersey, serving local passengers on the Morris & Essex Lines.
-
C.
Fairview Avenue station
Fairview Avenue station is a commuter rail stop in Downers Grove, Illinois, serving Metra's BNSF Railway Line in the Chicago metropolitan area.
-
D.
Forest Hills station
Forest Hills station is a major multimodal transit hub in Boston that serves as a key interchange point for MBTA subway, commuter rail, and numerous bus routes.
-
E.
Park Place station
Park Place station is a New York City Subway station in Lower Manhattan that serves the 2 and 3 lines and is part of a larger interconnected transit hub with nearby stations.
- 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_69b3453d91548190b4d4ef8fe52aa2ac |
completed | March 12, 2026, 10:59 p.m. |
| NER | Named-entity recognition | batch_69b34e891bc08190831187da4f553f48 |
completed | March 12, 2026, 11:38 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be03295174819096d299919a6d7e57 |
completed | March 21, 2026, 2:32 a.m. |
| NEDg | Description generation | batch_69be04ad843c8190b3c8dfa4a46e727b |
completed | March 21, 2026, 2:38 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69be0529868c8190b20e8966315b263a |
completed | March 21, 2026, 2:40 a.m. |
Created at: March 12, 2026, 11:05 p.m.