Head noun: edfa
| Same concepts |
|---|
| http://dbpedia.org/resource/Optical_amplifier |
Broader concepts
| label | provenance | confidence |
|---|---|---|
| optical amplifier | isap:286976373 | 0.446402 |
| amplifier | isap:286976376 | 0.256497 |
| system | isap:307916730 | 0.141913 |
| optical amplifiers | isap:188777035 | 0.125916 |
Narrower concepts
| label | provenance | confidence |
|---|