BUCS Tech Report #93-001 Name: Azer Bestavros, Spyridon Braoudakis, Euthemios Panagos, Boston University Title: Performance Evaluation of Two-Shadow Speculative Concurrency Control February 1993 (18 pages) BUCS Tech Report #93-002 Name: Azer Bestavros, Boston University Title: Speculative Concurrency Control for Real-Time Databases January 1993 (15 pages) BUCS Tech Report #93-003 Name: Marwan Shaban, Boston University Title: Quadsim Student Manual April 1993 (21 pages) BUCS Tech Report #93-004 Name: Wayne Snyder,Boston University Title: Proceedings of Sixth International Workshop on Unification April 1993 (67 pages) BUCS Tech Report #93-005 Name: Himanshu Shekhar Sinha, Boston University Title: Mermera: Non-coherent Distributed Shared Memory for Parallel Computing May 1993 (72 pages) BUCS Tech Report #93-006 Name: Abdelsalam Heddaya and Himanshu Sinha Title: An Implementation of Mermera: A Shared Memory System that Mixes Coherence with Non-coherence June 1993 (24 pages) BUCS Tech Report #93-007 Name: Abdelsalam Heddaya, Kihong Park, and Himanshu Sinha, Boston University Title: Using Warp to Control Network Contention in Mermera June 1993 (15 pages) BUCS Tech Report #93-008 Name: A. J. Kfoury and M. Wymann-Boeni, Boston University Title: Fixed Point vs. First-Order Logic on Finite Ordered Structures with Unary Relations August 1993 (13 pages) BUCS Tech Report #93-009 Name: A.J. Kfoury and M. Wymann-Boeni, Boston University Title: A Characterization of First-Order Definable Subsets on Classes of Finite Total Orders August 1993 (12 pages) BUCS Tech Report #93-010 Name: Zhixiang Chen and Steve Homer, Boston University Title: Learning Unions of Rectangles with Queries September 1993 (17 pages) BUCS Tech Report #93-011 Name: J. B. Wells,Boston University Title: Typability and Type Checking in the Second-Order Lambda-Calculus Are Equivalent and Undecidable September 1993 (19 pages)