Albert E. Croker, Ph.D.

Professor of Computer Information Systems,

Baruch College, School of Business
City University of New York

Education

• B.S. - Mathematics / SUNY at Stony Brook
• M.S. - Computer Science / SUNY at Stony Brook
• Ph.D. - Computer Science / SUNY at Stony Brook

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Research

Available for Expert Testimony, Opinion, Analysis or Quotes about the Following:

• Database Systems
  
• Programming Languages
  
• Object-Oriented Systems

Journal Articles (Refereed)

• "On Completeness of Historical Relational Query Languages" [ J. Clifford, A. Croker, A Tuzhilin], ACM Transcations on Database Systems, vol:19-1, March, 1994, pages 64-116

• "A Knowledge Representation for Constraint Satisfaction Problems", [ A. Croker, V. Dhar]IEEE Transaction on Knowledge and Data Engineering, vol:5-5, October, 1993, pages 740-752

• "Objects in Time" [J. Clifford, A. Croker], IEEE Data Engineering,vol:11-4, December, 1988, pages 11-18

• "Knowledge-Based Decision Support in Business"[V. Dhar, A. Croker] IEEE Expert, vol:3-1, Spring 1987, pages 53-62

• "Improvements in Datebase Concurrency Control with Locking" Journal of Management Information Systems, Fall 1987, vol:4-2, pages 74-92

Conference Proceedings (Refereed)

• "Grouped and Ungrouped Historical Data Models: Expressive Power and Completeness"[J. Clifford, A. Croker, A. Tuzhilin] International Workshop on an Infrastructure for Temporal Databases, Arlington, TX, June 1993

• "The Historical Relational Data Model ( HRDM ) and Algebra Based on Lifespans" [J. Clifford, A. Croker] IEEE International Conference on Data Engineering, Los Angeles, CA, February, 1987, pages 528-537

• "A Dynamic Tree-Locking Protocoal"[A. Croker, D. Maier] IEEE International Conference on Data Engineering, Los Angeles, CA, Feburary, 1986

Other Publications

• "The Historical Relational Data Model (HRDM) Revisited" [J. Clifford, A. Croker] in Temporal Database: Theory, Design and Implementation edited by A. Tansel, Addison-Wesley, March, 1993

• "On Completeness of Query Languages for Grouped and Ungrouped Historical Data Models" [J. Clifford, A. Croker, A. Tuzhilin] in Temporal Database: Theory, Design and Implementation edited by A. Tansel, Addison-Wesley, March, 1993

Professional Activities

• Member of Association for Computing Machinery (ACM)
• Member of ACM Special Interest Group on Management of Data
• Member of ACM Special Interest Group on Operating Systems
• Member of IEEE Computer Society
• Member of Program Committee of VLDB International Workshop on Temporal Databases

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