@InProceedings{DBLP:conf/cleandb/DaiKOSV06,
   title = {Column Heterogeneity as a Measure of Data Quality},
   author = {Bing Tian Dai and Nick Koudas and Beng Chin Ooi and Divesh Srivastava and Suresh Venkatasubramanian},
   year = 2006,
   BookTitle = {CleanDB}
}