Triple
T6815887
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Concord |
E156750
|
entity |
| Predicate | hasBARTStation |
P726
|
FINISHED |
| Object |
Concord station
Concord station is a Bay Area Rapid Transit (BART) rail station serving the city of Concord in Contra Costa County, California.
|
E621514
|
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: Concord station | Statement: [Concord, hasBARTStation, Concord station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Concord station Context triple: [Concord, hasBARTStation, Concord station]
-
A.
Hawthorne station
Hawthorne station is a commuter rail stop in Mount Pleasant, New York, serving passengers on the Metro-North Railroad’s Harlem Line.
-
B.
Lenox station
Lenox station is an Atlanta rapid transit station on MARTA’s Gold Line serving the Buckhead commercial and shopping district.
-
C.
Belmont station
Belmont station is a commuter rail stop in Downers Grove, Illinois, served by Metra’s BNSF Railway Line connecting the suburb to downtown Chicago.
-
D.
Belmont station
Belmont station is a major Chicago Transit Authority 'L' station on the North Side that serves as a key transfer point between multiple rapid transit lines.
-
E.
Medford station
Medford station is a Long Island Rail Road commuter rail stop located in Medford, New York, serving passengers on the Ronkonkoma Branch.
- 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: Concord station Triple: [Concord, hasBARTStation, Concord station]
Generated description
Concord station is a Bay Area Rapid Transit (BART) rail station serving the city of Concord in Contra Costa County, California.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Concord station Target entity description: Concord station is a Bay Area Rapid Transit (BART) rail station serving the city of Concord in Contra Costa County, California.
-
A.
Hawthorne station
Hawthorne station is a commuter rail stop in Mount Pleasant, New York, serving passengers on the Metro-North Railroad’s Harlem Line.
-
B.
Lenox station
Lenox station is an Atlanta rapid transit station on MARTA’s Gold Line serving the Buckhead commercial and shopping district.
-
C.
Belmont station
Belmont station is a commuter rail stop in Downers Grove, Illinois, served by Metra’s BNSF Railway Line connecting the suburb to downtown Chicago.
-
D.
Belmont station
Belmont station is a major Chicago Transit Authority 'L' station on the North Side that serves as a key transfer point between multiple rapid transit lines.
-
E.
Medford station
Medford station is a Long Island Rail Road commuter rail stop located in Medford, New York, serving passengers on the Ronkonkoma Branch.
- 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_69c68828b26c819090fe9df7612bbc27 |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6d32dc19c8190a871cc1ff1471a58 |
completed | March 27, 2026, 6:57 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c723dd82048190969754b388a76913 |
completed | March 28, 2026, 12:42 a.m. |
| NEDg | Description generation | batch_69c724d740588190a4ed1aa532ee7335 |
completed | March 28, 2026, 12:46 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c725aedfd0819097ae603cc49ff9a8 |
completed | March 28, 2026, 12:49 a.m. |
Created at: March 27, 2026, 2:17 p.m.