Feifei Li Papers on DiSC'04 Spatio-Temporal Aggregation Using Sketches Approximate Aggregation Techniques for Sensor Databases Publications Note: Links lead to the DBLP on the Web. Feifei Li Yufei Tao , George Kollios , Jeffrey Considine , Feifei Li, Dimitris Papadias : Spatio-Temporal Aggregation Using Sketches. ICDE 2004 : 214-226 Jeffrey Considine , Feifei Li, George Kollios , John W. Byers : Approximate Aggregation Techniques for Sensor Databases. ICDE 2004 : 449-460 Zehua Liu , Wee Keong Ng , Ee-Peng Lim , Feifei Li: Towards building logical views of websites. Data Knowl. Eng. 49 (2): 197-222 (2004) Zehua Liu , Feifei Li, Wee Keong Ng : Wiccap Data Model: Mapping Physical Websites to Logical Views. ER 2002 : 120-134 Zehua Liu , Wee Keong Ng , Feifei Li, Ee-Peng Lim : A visual tool for building logical data models of websites. WIDM 2002 : 92-95 Feifei Li, Zehua Liu , Yangfeng Huang , Wee Keong Ng : An Information Concierge for the Web. DEXA Workshop 2001 : 672-676 1 [ 5 ] 2 [ 5 ] [ 6 ] 3 [ 1 ] 4 [ 5 ] [ 6 ] 5 [ 2 ] [ 4 ] 6 [ 1 ] [ 2 ] [ 3 ] [ 4 ] 7 [ 1 ] [ 2 ] [ 3 ] [ 4 ] 8 [ 6 ] 9 [ 6 ] ©2005 Association for Computing Machinery