University of Illinois Urbana-Champaign

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Showing 1–30 of 146 items
Thumbnail for On-the-Fly Constraint Mapping across Web Query Interfaces
On-the-Fly Constraint Mapping across Web Query Interfaces
Zhang, Zhen; He, Bin; Chang, Kevin Chen-Chuan

Thumbnail for Efficient Processing of Ad-Hoc Top-k Aggregate Queries in OLAP
Efficient Processing of Ad-Hoc Top-k Aggregate Queries in OLAP
Li, Chengkai; Chang, Kevin Chen-Chuan; Ilyas, Ihab F.

Thumbnail for Exploring the Deep Web: Associativity Search over Schematic Metadata
Exploring the Deep Web: Associativity Search over Schematic Metadata
Kabra, Govind; Zhang, Zhen; Chang, Kevin Chen-Chuan; Lim, Lipyeow; Wang, Min; Chang, Yuan-Chi

Thumbnail for RankSQL: Query Algebra and Optimization for Relational Top-k Queries
RankSQL: Query Algebra and Optimization for Relational Top-k Queries
Li, Chengkai; Chang, Kevin Chen-Chuan; Ilyas, Ihab F.; Song, Sumin

Thumbnail for Weaving Entities into Relations: From Page Retrieval to Relation Mining on the Web
Weaving Entities into Relations: From Page Retrieval to Relation Mining on the Web
Kelley, Joseph M.; Chang, Kevin Chen-Chuan; Cheng, Tao; Chuang, Shui-Lung; Davis, William

Thumbnail for A Structure-Driven Yield-Aware Web Form Crawler: Building a Database of Online Databases
A Structure-Driven Yield-Aware Web Form Crawler: Building a Database of Online Databases
He, Bin; Li, Chengkai; Killian, David; Patel, Mitesh; Tseng, Yuping; Chang, Kevin Chen-Chuan