Triple
T4177047
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Houston METRORail |
E86502
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
METRO (Houston)
METRO (Houston) is the public transportation authority serving the Houston metropolitan area, operating bus, light rail, and related transit services.
|
E418780
|
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: METRO (Houston) | Statement: [Houston METRORail, operator, METRO (Houston)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: METRO (Houston) Context triple: [Houston METRORail, operator, METRO (Houston)]
-
A.
Downtown Houston
Downtown Houston is the central business district and urban core of Houston, Texas, known for its skyscrapers, entertainment venues, and major sports arenas.
-
B.
Southwest Houston
Southwest Houston is a large, diverse residential and commercial area of Houston, Texas, known for its mix of established neighborhoods, shopping centers, and multicultural communities.
-
C.
Houston
Houston is a major U.S. metropolis known for its energy industry, NASA’s Johnson Space Center, and its diverse, rapidly growing population.
-
D.
Alief, Houston
Alief is a diverse, densely populated suburban neighborhood in southwest Houston, Texas, known for its multicultural community and mix of residential and commercial areas.
-
E.
Kingwood, Houston
Kingwood, Houston is a large master-planned community in northeast Houston, Texas, known for its extensive greenbelt trails, suburban character, and family-oriented neighborhoods.
- 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: METRO (Houston) Triple: [Houston METRORail, operator, METRO (Houston)]
Generated description
METRO (Houston) is the public transportation authority serving the Houston metropolitan area, operating bus, light rail, and related transit services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: METRO (Houston) Target entity description: METRO (Houston) is the public transportation authority serving the Houston metropolitan area, operating bus, light rail, and related transit services.
-
A.
Downtown Houston
Downtown Houston is the central business district and urban core of Houston, Texas, known for its skyscrapers, entertainment venues, and major sports arenas.
-
B.
Southwest Houston
Southwest Houston is a large, diverse residential and commercial area of Houston, Texas, known for its mix of established neighborhoods, shopping centers, and multicultural communities.
-
C.
Houston
Houston is a major U.S. metropolis known for its energy industry, NASA’s Johnson Space Center, and its diverse, rapidly growing population.
-
D.
Alief, Houston
Alief is a diverse, densely populated suburban neighborhood in southwest Houston, Texas, known for its multicultural community and mix of residential and commercial areas.
-
E.
Kingwood, Houston
Kingwood, Houston is a large master-planned community in northeast Houston, Texas, known for its extensive greenbelt trails, suburban character, and family-oriented neighborhoods.
- 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_69aed93de98c8190ad838ce507b77c8a |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69af02ec20fc8190b6f30576337e0ddc |
completed | March 9, 2026, 5:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b57f564c9c8190bfc321c8ec2dac14 |
completed | March 14, 2026, 3:31 p.m. |
| NEDg | Description generation | batch_69b58330b1d48190a3af96d3c0e7aa1b |
completed | March 14, 2026, 3:48 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b583ba1fd8819092b7fe73a17dc406 |
completed | March 14, 2026, 3:50 p.m. |
Created at: March 9, 2026, 3:45 p.m.