Ekaterini Ioannou Saket Sathe Nicolas Bonvin Anshul Jain Srikanth Bondalapati Gleb Skobeltsyn Claudia Niederée Zoltán Miklós Entity Search with NECESSITY. 2009 WebDB http://webdb09.cse.buffalo.edu/papers/Paper23/ioannou.pdf conf/webdb/2009 db/conf/webdb/webdb2009.html#IoannouSBJBSNM09