Triple
T4498079
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metropolitan Transportation Commission |
E100747
|
entity |
| Predicate | abbreviation |
P43
|
FINISHED |
| Object |
MTC
MTC is a regional planning and transportation agency that coordinates and funds transit, highways, and other mobility projects in the San Francisco Bay Area.
|
E446144
|
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: MTC | Statement: [Metropolitan Transportation Commission, abbreviation, MTC]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MTC Context triple: [Metropolitan Transportation Commission, abbreviation, MTC]
-
A.
MRTC
MRTC is the Marine Raider Training Center, the primary U.S. Marine Corps Special Operations Command facility responsible for training and preparing Marine Raiders for special operations missions.
-
B.
MTS
MTS is a public transportation agency that operates bus and rail services in the San Diego metropolitan area of California.
-
C.
Traficom
Traficom is Finland’s national authority responsible for regulating and overseeing transport and communications services, infrastructure, and safety.
-
D.
MTCA
MTCA is Washington State’s Model Toxics Control Act, a key environmental law governing the cleanup of contaminated sites and the management of hazardous substances.
-
E.
MPC
MPC is the commonly used abbreviation for the Monetary Policy Committee, the body responsible for setting key interest rates and guiding monetary policy in several countries, including the United Kingdom.
- 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: MTC Triple: [Metropolitan Transportation Commission, abbreviation, MTC]
Generated description
MTC is a regional planning and transportation agency that coordinates and funds transit, highways, and other mobility projects in the San Francisco Bay Area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MTC Target entity description: MTC is a regional planning and transportation agency that coordinates and funds transit, highways, and other mobility projects in the San Francisco Bay Area.
-
A.
MRTC
MRTC is the Marine Raider Training Center, the primary U.S. Marine Corps Special Operations Command facility responsible for training and preparing Marine Raiders for special operations missions.
-
B.
MTS
MTS is a public transportation agency that operates bus and rail services in the San Diego metropolitan area of California.
-
C.
Traficom
Traficom is Finland’s national authority responsible for regulating and overseeing transport and communications services, infrastructure, and safety.
-
D.
MTCA
MTCA is Washington State’s Model Toxics Control Act, a key environmental law governing the cleanup of contaminated sites and the management of hazardous substances.
-
E.
MPC
MPC is the commonly used abbreviation for the Monetary Policy Committee, the body responsible for setting key interest rates and guiding monetary policy in several countries, including the United Kingdom.
- 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_69bd43cdf15081909a4fa2585ff63b3e |
completed | March 20, 2026, 12:55 p.m. |
| NER | Named-entity recognition | batch_69bd56c065e88190934eb0b1632d79bb |
completed | March 20, 2026, 2:16 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bd67c7da888190a60bd738e53156ed |
completed | March 20, 2026, 3:29 p.m. |
| NEDg | Description generation | batch_69bd683417b08190bc4e08638a30c0ec |
completed | March 20, 2026, 3:31 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69bd68b6637c81909ec8529e844e7321 |
completed | March 20, 2026, 3:33 p.m. |
Created at: March 20, 2026, 1 p.m.