Triple
T570642
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Green Line (Washington Metro) |
E13654
|
entity |
| Predicate | station |
P726
|
FINISHED |
| Object |
Congress Heights station
Congress Heights station is a Washington Metro rapid transit stop in Southeast Washington, D.C., serving the Green Line near the Congress Heights neighborhood and nearby sports and entertainment venues.
|
E97224
|
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: Congress Heights station | Statement: [Green Line (Washington Metro), station, Congress Heights station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Congress Heights station Context triple: [Green Line (Washington Metro), station, Congress Heights station]
-
A.
Snyder station
Snyder station is an underground rapid transit stop on SEPTA’s Broad Street Line serving South Philadelphia.
-
B.
Cecil B. Moore station
Cecil B. Moore station is a subway stop on Philadelphia’s Broad Street Line serving the Temple University area and surrounding North Philadelphia neighborhoods.
-
C.
Belmont Center station
Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
-
D.
Roosevelt station
Roosevelt station is a major Chicago 'L' rapid transit stop in the South Loop that serves as a key access point to nearby attractions including the Field Museum, Shedd Aquarium, and Soldier Field.
-
E.
City Hall station
City Hall station is a major underground rapid transit stop in Philadelphia located beneath the city's central municipal complex.
- 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: Congress Heights station Triple: [Green Line (Washington Metro), station, Congress Heights station]
Generated description
Congress Heights station is a Washington Metro rapid transit stop in Southeast Washington, D.C., serving the Green Line near the Congress Heights neighborhood and nearby sports and entertainment venues.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Congress Heights station Target entity description: Congress Heights station is a Washington Metro rapid transit stop in Southeast Washington, D.C., serving the Green Line near the Congress Heights neighborhood and nearby sports and entertainment venues.
-
A.
Snyder station
Snyder station is an underground rapid transit stop on SEPTA’s Broad Street Line serving South Philadelphia.
-
B.
Cecil B. Moore station
Cecil B. Moore station is a subway stop on Philadelphia’s Broad Street Line serving the Temple University area and surrounding North Philadelphia neighborhoods.
-
C.
Belmont Center station
Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
-
D.
Roosevelt station
Roosevelt station is a major Chicago 'L' rapid transit stop in the South Loop that serves as a key access point to nearby attractions including the Field Museum, Shedd Aquarium, and Soldier Field.
-
E.
City Hall station
City Hall station is a major underground rapid transit stop in Philadelphia located beneath the city's central municipal complex.
- 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_69a4933fa4d88190a7949cc83c08c5c1 |
completed | March 1, 2026, 7:27 p.m. |
| NER | Named-entity recognition | batch_69a49b057e708190b4e5975516e58993 |
completed | March 1, 2026, 8:01 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a76d6571588190b1f328e7b10b627c |
completed | March 3, 2026, 11:23 p.m. |
| NEDg | Description generation | batch_69a78ce2d3608190af4f38768b6ef95e |
completed | March 4, 2026, 1:37 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a78d84ccd08190aaa86a0adbd993a0 |
completed | March 4, 2026, 1:40 a.m. |
Created at: March 1, 2026, 7:33 p.m.