Triple
T6045028
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | METRORail Red Line |
E134644
|
entity |
| Predicate | connectsWith |
P37
|
FINISHED |
| Object |
METRORail Purple Line
The METRORail Purple Line is a light rail line in Houston, Texas, serving southeastern neighborhoods and key destinations as part of the city’s METRORail transit system.
|
E569597
|
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: METRORail Purple Line | Statement: [METRORail Red Line, connectsWith, METRORail Purple Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: METRORail Purple Line Context triple: [METRORail Red Line, connectsWith, METRORail Purple Line]
-
A.
METRORail Red Line
The METRORail Red Line is a light rail line in Houston, Texas, running through key central areas including downtown and the Museum District.
-
B.
METRO Blue Line
The METRO Blue Line is a major light rail transit route in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with the Mall of America and Minneapolis–Saint Paul International Airport.
-
C.
METRORail Green Line
The METRORail Green Line is a light rail service in Houston, Texas, forming part of the city’s METRORail system and serving neighborhoods east of downtown.
-
D.
Metro E Line
The Metro E Line is a light rail line in Los Angeles that runs between East Los Angeles and Santa Monica, providing a major east–west transit corridor across the city.
-
E.
Metro B Line
The Metro B Line is a heavy rail subway line in Los Angeles that runs through central and Hollywood areas as part of the LA Metro Rail 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: METRORail Purple Line Triple: [METRORail Red Line, connectsWith, METRORail Purple Line]
Generated description
The METRORail Purple Line is a light rail line in Houston, Texas, serving southeastern neighborhoods and key destinations as part of the city’s METRORail transit system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: METRORail Purple Line Target entity description: The METRORail Purple Line is a light rail line in Houston, Texas, serving southeastern neighborhoods and key destinations as part of the city’s METRORail transit system.
-
A.
METRORail Red Line
The METRORail Red Line is a light rail line in Houston, Texas, running through key central areas including downtown and the Museum District.
-
B.
METRO Blue Line
The METRO Blue Line is a major light rail transit route in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with the Mall of America and Minneapolis–Saint Paul International Airport.
-
C.
METRORail Green Line
The METRORail Green Line is a light rail service in Houston, Texas, forming part of the city’s METRORail system and serving neighborhoods east of downtown.
-
D.
Metro E Line
The Metro E Line is a light rail line in Los Angeles that runs between East Los Angeles and Santa Monica, providing a major east–west transit corridor across the city.
-
E.
Metro B Line
The Metro B Line is a heavy rail subway line in Los Angeles that runs through central and Hollywood areas as part of the LA Metro Rail 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_69c00876a69881908088a2626d3b2666 |
completed | March 22, 2026, 3:19 p.m. |
| NER | Named-entity recognition | batch_69c056e41f98819089c205ba6138faf0 |
completed | March 22, 2026, 8:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c1251a3bec81909a654976712f147d |
completed | March 23, 2026, 11:33 a.m. |
| NEDg | Description generation | batch_69c1299e4b788190a28069de0ce2d2db |
completed | March 23, 2026, 11:53 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c12a072b348190b576ee132a5d87be |
completed | March 23, 2026, 11:54 a.m. |
Created at: March 22, 2026, 4:09 p.m.