sentence1: in a knowledge base ( kb ) by jointly embedding the union of all available schema types — not only types from multiple structured databases ( such as freebase or wikipedia infoboxes ) , but also types expressed as textual patterns from raw text .
sentence2: ties and relations in a knowledge base ( kb ) by jointly embedding the union of all available schema types—not only types from multiple structured databases ( such as freebase or wikipedia infoboxes ) , but also types expressed as textual patterns from raw text .