Triple
T17572371
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Purple Line (METRORail) |
E427970
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object |
Downtown Transit Center station
Downtown Transit Center station is a major METRORail hub in downtown Houston, Texas, serving as a key transfer point between light rail lines and local bus routes.
|
E1277745
|
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: Downtown Transit Center station | Statement: [Purple Line (METRORail), terminus, Downtown Transit Center station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Downtown Transit Center station Context triple: [Purple Line (METRORail), terminus, Downtown Transit Center station]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Civic Center Station
Civic Center Station is a major San Francisco Bay Area Rapid Transit (BART) and Muni Metro subway station serving the heart of San Francisco near key civic and cultural institutions.
-
E.
Gallivan Plaza station
Gallivan Plaza station is a light rail station in downtown Salt Lake City, Utah, serving the Utah Transit Authority’s TRAX system.
- 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: Downtown Transit Center station Triple: [Purple Line (METRORail), terminus, Downtown Transit Center station]
Generated description
Downtown Transit Center station is a major METRORail hub in downtown Houston, Texas, serving as a key transfer point between light rail lines and local bus routes.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Downtown Transit Center station Target entity description: Downtown Transit Center station is a major METRORail hub in downtown Houston, Texas, serving as a key transfer point between light rail lines and local bus routes.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Civic Center Station
Civic Center Station is a major San Francisco Bay Area Rapid Transit (BART) and Muni Metro subway station serving the heart of San Francisco near key civic and cultural institutions.
-
E.
Gallivan Plaza station
Gallivan Plaza station is a light rail station in downtown Salt Lake City, Utah, serving the Utah Transit Authority’s TRAX system.
- 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_69d889e0385081908a04b66f4dd4bd0d |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e459324aa48190ae23fcae6e8919f8 |
completed | April 19, 2026, 4:25 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a01e80fd92881908714f3eb415b7d57 |
completed | May 11, 2026, 2:30 p.m. |
| NEDg | Description generation | batch_6a01ecfb2ff4819082f67ab1f2ce8885 |
completed | May 11, 2026, 2:51 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a01ee0c03e881908aaaa3bd0f596387 |
completed | May 11, 2026, 2:56 p.m. |
Created at: April 10, 2026, 5:50 a.m.