@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:observer_bias_	skos:broader	isac:systematic_error_ .
isac:_error_	skos:broader	isac:systematic_error_ .
isac:_study_	skos:broader	isac:systematic_error_ .
isac:_measurement_	skos:broader	isac:systematic_error_ .
isac:measurement_error_	skos:broader	isac:systematic_error_ .
isac:_drift_	skos:broader	isac:systematic_error_ .
isac:_bias_	skos:broader	isac:systematic_error_ .
<http://webisa.webdatacommons.org/concept/long+branch+attraction_lba_>	skos:broader	isac:systematic_error_ .