ACM SIGMOD Conference 1991: Denver, Colorado
Keynote Address
Douglas B. Lenat: Computers versus Common Sense. 1
Object Stores
Michael Stonebraker: Managing Persistent Objects in a Multi-Level Store. 2-11
Manolis M. Tsangaris, Jeffrey F. Naughton: A Stochastic Approach for Clustering in Object Bases. 12-21
Jia-bing R. Cheng, Ali R. Hurson: Effective Clustering of Complex Objects in Object-Oriented Databases. 22-31
Heterogeneity and Security
William Perrizo, Joseph Rajkumar, Prabhu Ram: HYDRO: A Heterogeneous Distributed Database System. 32-39
Ravi Krishnamurthy, Witold Litwin, William Kent: Language Features for Interoperability of Databases with Schematic Discrepancies. 40-49
Implementation of Rules
Douglas N. Gordin, Alexander J. Pasik: Set-Oriented Constructs: From Rete Rule Bases to Database Systems. 60-67
S. Sudarshan, Divesh Srivastava, Raghu Ramakrishnan, Jeffrey F. Naughton: Space Optimization in the Bottom-Up Evaluation of Logic Programs. 68-77
Ouri Wolfson, Hasanat M. Dewan, Salvatore J. Stolfo, Yechiam Yemini: Incremental Evaluation of Rules and its Relationship to Parallelism. 78-87
Concurrency Control
Eliezer Levy, Henry F. Korth, Abraham Silberschatz: An Optimistic Commit Protocol for Distributed Transaction Management. 88-97
Divyakant Agrawal, V. Krishnamurthy: Using Multiversion Data for Non-interfering Execution of Write-only Transactions. 98-107
Panos K. Chrysanthis, S. Raghuram, Krithi Ramamritham: Extracting Concurrency from Objects: A Methodology. 108-117
Spatial Databases
Leonore Neugebauer: Optimization and Evaluation of Database Queries Including Embedded Interpolation Procedures. 118-127
Bruno Becker, Hans-Werner Six, Peter Widmayer: Spatial Priority Search: An Access Technique for Scaleless Maps. 128-137
Curtis P. Kolovson, Michael Stonebraker: Segment Indexes: Dynamic Indexing Techniques for Multi-Dimensional Interval Data. 138-147
Object Algebras and Optimization

Scott L. Vandenberg, David J. DeWitt: Algebraic Support for Complex Objects with Arrays, Identity, and Inheritance. 158-167
Yannis E. Ioannidis, Younkyung Cha Kang: Left-Deep vs. Bushy Trees: An Analysis of Strategy Spaces and its Implications for Query Optimization. 168-177
Deductive Databases
Ulrich Güntzer, Werner Kießling, Helmut Thöne: New Directions For Uncertainty Reasoning In Deductive Databases. 178-187
Yeh-Heng Sheng: A Non-deterministic Deductive Database Language. 188-197
Yanjun Lou, Z. Meral Özsoyoglu: LLO: An Object-Oriented Deductive Language with Methods and Method Inheritance. 198-207
CAD Databases
H. V. Jagadish: A Retrieval Technique for Similar Shapes. 208-217
Tzi-cker Chiueh, Randy H. Katz: Trait: An Attribute Management System for VLSI Design Objects. 228-237
FunctionMaterialization and Views

Thierry Barsalou, Arthur M. Keller, Niki Siambela, Gio Wiederhold: Updating Relational Databases through Object-Based Views. 248-257
Potpourri
Yannis E. Ioannidis, Stavros Christodoulakis: On the Propagation of Errors in the Size of Join Results. 268-277
Wen-Chi Hou, Gultekin Özsoyoglu, Erdogan Dogdu: Error-Constraint COUNT Query Evaluation in Relational Databases. 278-287
Tomasz Imielinski, Shamim A. Naqvi, Kumar V. Vadaparty: Incomplete Objects - A Data Model for Design and Planning Applications. 288-297
Database Programming Languages
Joel E. Richardson, Peter M. Schwarz: Aspects: Extending Objects to Support Multiple, Independent Roles. 298-307
Jurgen Annevelink: Database Programming Languages: A Functional Approach. 318-327
Knowledge Bases

Yuh-Ming Shyy, Stanley Y. W. Su: K: A High-Level Knowledge Base Programming Language for Advanced Database Applications. 338-347
S. C. Hansen, E. A. Unger: An Extended Memoryless Inference Control Method: Accounting for Dependence in Table-level Controls. 348-356
Caching and Replication
Michael J. Carey, Michael J. Franklin, Miron Livny, Eugene J. Shekita: Data Caching Tradeoffs in Client-Server DBMS Architectures. 357-366
Yongdong Wang, Lawrence A. Rowe: Cache Consistency and Concurrency Control in a Client/Server DBMS Architecture. 367-376
Performance
Raymond T. Ng, Christos Faloutsos, Timos K. Sellis: Flexible Buffer Allocation Based on Marginal Gains. 387-396

B-Trees
Panel
Clenn Thompson: Are Standards the Panacea for Heterogeneous Distributed DBMSs? 446
Video
Guy M. Lohman, George Lapis, Tobin J. Lehman, Rakesh Agrawal, Roberta Cochrane, John McPherson, C. Mohan, Hamid Pirahesh, Jennifer Widom: Starburst II: The Extender Strikes Back! 447



