OLLIE

Open Information Extraction (IE) systems ex- tract relational tuples from text, without re- quiring a pre-specified vocabulary, by iden- tifying relation phrases and associated argu- ments in arbitrary sentences. However, …...

Traditional relation extraction seeks to iden- tify pre-specified semantic relations within natural language text, while open Information Extraction (Open IE) takes a more general ap- proach, and looks for a …...

Open Relation Extraction (ORE) over- comes the limitations of traditional IE techniques, which train individual extrac- tors for every single relation type. Sys- tems such as ReVerb, PATTY, OLLIE, and …...