A Hybrid License Plate Extraction Method for Complex Scenes. - Wangchao Le; Shaofa Li (ICPR (2), 2006)

Modeling scene text features with parametric filter banks and contextual color-shift distribution model. - Wangchao Le; Shaofa Li (ISSPA, 2007)

Top-k queries on temporal data. - Feifei Li 001; Ke Yi 001; Wangchao Le (VLDB J., 2010)

Rewriting queries on SPARQL views. - Wangchao Le; Songyun Duan; Anastasios Kementsietsidis; Feifei Li 001; Min Wang 001 (WWW, 2011)

Scalable Multi-query Optimization for SPARQL. - Wangchao Le; Anastasios Kementsietsidis; Songyun Duan; Feifei Li 001 (ICDE, 2012)

Query Access Assurance in Outsourced Databases. - Wangchao Le; Feifei Li 001 (IEEE Trans. Serv. Comput., 2012)

Optimal splitters for temporal and multi-version databases. - Wangchao Le; Feifei Li 001; Yufei Tao 001; Robert Christensen (SIGMOD Conference, 2013)

Supporting Scalable Data Analytics on Large Linked Data. - Wangchao Le (2013)

Scalable Keyword Search on Large RDF Data. - Wangchao Le; Feifei Li 001; Anastasios Kementsietsidis; Songyun Duan (IEEE Trans. Knowl. Data Eng., 2014)

Towards a Learning Optimizer for Shared Clouds. - Chenggang Wu 001; Alekh Jindal; Saeed Amizadeh; Hiren Patel; Wangchao Le; Shi Qiao 001; Sriram Rao (Proc. VLDB Endow., 2018)

Cost Models for Big Data Query Processing: Learning, Retrofitting, and Our Findings. - Tarique Siddiqui; Alekh Jindal; Shi Qiao 001; Hiren Patel; Wangchao Le (SIGMOD Conference, 2020)

Pipemizer: An Optimizer for Analytics Data Pipelines. - Sunny Gakhar; Joyce Cahoon; Wangchao Le; Xiangnan Li; Kaushik Ravichandran 002; Hiren Patel; Marc T. Friedman; Brandon Haynes; Shi Qiao 001; Alekh Jindal; Jyoti Leeka (Proc. VLDB Endow., 2022)