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-# OB-Tree
+# OB-Tree
+OB-Tree: A New Write-Optimization Index on Out-of-Core Column-Store Databases
+
+## folder structure
+
+* basic
+    - fundamental classes
+* exp_merge_ob
+    - data cleaning experiments using OB-Tree
+* exp_merge_progressive
+    - data cleaning experiments using the progressive approach
+* exp_select
+    - data select experiments
+* exp_update
+    - data update experiments
+
+## contact
+
+Feng "George" Yu, Ph.D.  
+Assistant Professor  
+Dept. Computer Science and Information Systems  
+Youngstown State University  
+Youngstown, OH, 44555  
+YSU Data Lab: http://datalab.ysu.edu/  
+Email: fyu@ysu.edu  
+
+