Query Processing for Temporal Databases. - T. Y. Cliff Leung; Richard R. Muntz (ICDE, 1990)

Generalized Data Stream Indexing and Temporal Query Processing. - T. Y. Cliff Leung; Richard R. Muntz (RIDE-TQP, 1992)

Temporal Query Processing and Optimization in Multiprocessor Database Machines. - T. Y. Cliff Leung; Richard R. Muntz (VLDB, 1992)

Stream Processing: Temporal Query Processing and Optimization. - T. Y. Cliff Leung; Richard R. Muntz (Temporal Databases, 1993)

TSQL2 Language Specification. - Richard T. Snodgrass; Ilsoo Ahn; Gad Ariav; Don S. Batory; James Clifford; Curtis E. Dyreson; Ramez Elmasri; Fabio Grandi 001; Christian S. Jensen; Wolfgang Käfer; Nick Kline; Krishna G. Kulkarni; et al. (SIGMOD Rec., 1994)

A TSQL2 Tutorial. - Richard T. Snodgrass; Ilsoo Ahn; Gad Ariav; Don S. Batory; James Clifford; Curtis E. Dyreson; Ramez Elmasri; Fabio Grandi 001; Christian S. Jensen; Wolfgang Käfer; Nick Kline; Krishna G. Kulkarni; et al. (SIGMOD Rec., 1994)

Cursors. - Christian S. Jensen; Richard T. Snodgrass; T. Y. Cliff Leung (The TSQL2 Temporal Query Language, 1995)

Aggregates - Nick Kline; Richard T. Snodgrass; T. Y. Cliff Leung (The TSQL2 Temporal Query Language, 1995)

Modification. - T. Y. Cliff Leung; Christian S. Jensen; Richard T. Snodgrass (The TSQL2 Temporal Query Language, 1995)

Querying Historical Data in IBM DB2 C/S DBMS Using Recursive SQL - T. Y. Cliff Leung; Hamid Pirahesh (Temporal Databases, 1995)

Complex Query Decorrelation. - Praveen Seshadri; Hamid Pirahesh; T. Y. Cliff Leung (ICDE, 1996)

Cost-Based Optimization for Magic: Algebra and Implementation. - Praveen Seshadri; Joseph M. Hellerstein; Hamid Pirahesh; T. Y. Cliff Leung; Raghu Ramakrishnan 001; Divesh Srivastava; Peter J. Stuckey; S. Sudarshan 001 (SIGMOD Conference, 1996)

A Rule Engine for Query Transformation in Starburst and IBM DB2 C/S DBMS. - Hamid Pirahesh; T. Y. Cliff Leung; Waqar Hasan (ICDE, 1997)

Implementation of Two Semantic Query Optimization Techniques in DB2 Universal Database. - Qi Cheng; Jarek Gryz; Fred Koo; T. Y. Cliff Leung; Linqi Liu; Xiaoyan Qian; K. Bernhard Schiefer (VLDB, 1999)

IBM DB2 Everyplace: A Small Footprint Relational Database System. - Jonas S. Karlsson; Amrish Lal; T. Y. Cliff Leung; Thanh Pham (ICDE, 2001)

DB2 Everyplace Database Release 8.1: Architecture and Key Features. - Thomas Fanghänel; Jonas S. Karlsson; T. Y. Cliff Leung (Datenbank-Spektrum, 2003)