Research Focus
My research focuses on neural information retrieval with large language models and transformer-based dense and sparse models. In addition to model training, I also work on efficient retrieval architectures and algorithms.
Education
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University of California, Santa Barbara
Ph.D. in Computer Science -
University of Southern California
M.S. in Computer Science -
Huazhong University of Science and Technology
B.S. in Computer Science
Publications
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Low-Cost Document Retrieval with Dense Pseudo-Query Encoding
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Dynamic Superblock Pruning for Fast Learned Sparse Retrieval
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LSTM-based Selective Dense Text Retrieval Guided by Sparse Lexical Retrieval
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Balanced Knowledge Distillation with Contrastive Learning for Document Re-ranking
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Efficient Sparse Retrieval with Lightweight Superblock Pruning