Unifying Programming Languages and Databases: Scoping, Metadata, and Process Communication. - T. H. Merrett; Heping Shang (DBPL, 1991)

Trie Methods for Representing Text. - T. H. Merrett; Heping Shang (FODO, 1993)

Trie Methods for Text and Spatial Data on Secondary Storage. - Heping Shang (1994)

Database Structures, Based on Tries, for Text, Spatial, and General Data. - T. H. Merrett; Heping Shang; Xiaoyan Zhao (CODAS, 1996)

Tries for Approximate String Matching. - Heping Shang; T. H. Merrett (IEEE Trans. Knowl. Data Eng., 1996)