Grace Fan

MosaicJoin: Compact Semantic Sketches for Value-Level Join Discovery

Grace Fan, Eden Wu, Majid Daliri, Juliana Freire

Join discovery is a core task in dataset search, enabling users to find columns that can be joined with a given query column. Early approaches focused on equi-joins, but data lakes and open-data repositories often contain columns whose values refer to the same entity but use diff…Read more