938 citations
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cs.DB2019★ 9 cited
Learning Semantic Annotations for Tabular Data
Jiaoyan Chen, Ernesto Jimenez-Ruiz, Ian Horrocks +1
The usefulness of tabular data such as web tables critically depends on understanding their semantics. This study focuses on column type prediction for tables without any meta data…
cs.DB2019★ 1 cited
Repairing mappings under policy views
Angela Bonifati, Ugo Comignani, Efthymia Tsamoura
The problem of data exchange involves a source schema, a target schema and a set of mappings from transforming the data between the two schemas. We study the problem of data exchan…
cs.DB2016★ 47 cited
Data Polygamy: The Many-Many Relationships among Urban Spatio-Temporal Data Sets
Fernando Chirigati, Harish Doraiswamy, Theodoros Damoulas +1
The increasing ability to collect data from urban environments, coupled with a push towards openness by governments, has resulted in the availability of numerous spatio-temporal da…