Ahmed K. Elmagarmid Papers on DiSC'04 Privacy Preserving Data Integration and Sharing Using Convolution to Mine Obscure Periodic Using Convolution to Mine Obscure Periodic Patterns in One Pass* Nile: A Query Processing Engine for Data Streams Rank-aware Query Optimization Supporting top-k join queries in relational databases Publications Note: Links lead to the DBLP on the Web. Ahmed K. Elmagarmid Chris Clifton , Murat Kantarcioglu , AnHai Doan , Gunther Schadow , Jaideep Vaidya , Ahmed K. Elmagarmid, Dan Suciu : Privacy-preserving data integration and sharing. DMKD 2004 : 19-26 Mohamed G. Elfeky , Walid G. Aref , Ahmed K. Elmagarmid: Using Convolution to Mine Obscure Periodic Patterns in One Pass. EDBT 2004 : 605-620 Yi-Cheng Tu , Sunil Prabhakar , Ahmed K. Elmagarmid, Radu Sion : QuaSAQ: An Approach to Enabling End-to-End QoS for Multimedia Databases. EDBT 2004 : 694-711 Moustafa A. Hammad , Mohamed F. Mokbel , M. H. Ali , Walid G. Aref , Ann Christine Catlin , Ahmed K. Elmagarmid, M. Eltabakh , Mohamed G. Elfeky , Thanaa M. Ghanem , R. Gwadera , Ihab F. Ilyas , Mirette S. Marzouk , X. Xiong : Nile: A Query Processing Engine for Data Streams. ICDE 2004 : 851 Ihab F. Ilyas , Rahul Shah , Walid G. Aref , Jeffrey Scott Vitter , Ahmed K. Elmagarmid: Rank-aware Query Optimization. SIGMOD Conference 2004 : 203-214 Walid G. Aref , Mohamed G. Elfeky , Ahmed K. Elmagarmid: Incremental, Online, and Merge Mining of Partial Periodic Patterns in Time-Series Databases. IEEE Trans. Knowl. Data Eng. 16 (3): 332-342 (2004) Vassilios S. Verykios , Ahmed K. Elmagarmid, Elisa Bertino , Yücel Saygin , Elena Dasseni : Association Rule Hiding. IEEE Trans. Knowl. Data Eng. 16 (4): 434-447 (2004) Athena Vakali , Mohand-Said Hacid , Ahmed K. Elmagarmid: MPEG-7 based description schemes for multi-level video content classification. Image Vision Comput. 22 (5): 367-378 (2004) Brahim Medjahed , Boualem Benatallah , Athman Bouguettaya , Ahmed K. Elmagarmid: Webbis: An Infrastructure For Agile Integration Of Web Services. Int. J. Cooperative Inf. Syst. 13 (2): 121-158 (2004) Xingquan Zhu , Xindong Wu , Jianping Fan , Ahmed K. Elmagarmid, Walid G. Aref : Exploring video content structure for hierarchical summarization. Multimedia Syst. 10 (2): 98-115 (2004) Walid G. Aref , Ann Christine Catlin , Ahmed K. Elmagarmid, Jianping Fan , Moustafa A. Hammad , Ihab F. Ilyas , Mirette S. Marzouk , Sunil Prabhakar , Yi-Cheng Tu , Xingquan Zhu : VDBMS: A testbed facility for research in video database benchmarking. Multimedia Syst. 9 (6): 575-585 (2004) Elisa Bertino , Ahmed K. Elmagarmid, Mohand-Said Hacid : A Logical Approach to Quality of Service Specification in Video Databases. Multimedia Tools Appl. 23 (2): 75-101 (2004) Ihab F. Ilyas , Walid G. Aref , Ahmed K. Elmagarmid: Supporting top-k join queries in relational databases. VLDB J. 13 (3): 207-221 (2004) Xingquan Zhu , Walid G. Aref , Jianping Fan , Ann Christine Catlin , Ahmed K. Elmagarmid: Medical Video Mining for Efficient Database Indexing, Management and Access. ICDE 2003 : 569-580 Walid G. Aref , Moustafa A. Hammad , Ann Christine Catlin , Ihab F. Ilyas , Thanaa M. Ghanem , Ahmed K. Elmagarmid, Mirette S. Marzouk : Video query processing in the VDBMS testbed for video database research. MMDB 2003 : 25-32 Moustafa A. Hammad , Walid G. Aref , Ahmed K. Elmagarmid: Stream Window Join: Tracking Moving Objects in Sensor-Network Databases. SSDBM 2003 : 75-84 Moustafa A. Hammad , Michael J. Franklin , Walid G. Aref , Ahmed K. Elmagarmid: Scheduling for shared window joins over data streams. VLDB 2003 : 297-308 Ihab F. Ilyas , Walid G. Aref , Ahmed K. Elmagarmid: Supporting Top-k Join Queries in Relational Databases. VLDB 2003 : 754-765 Elisa Bertino , Jianping Fan , Elena Ferrari , Mohand-Said Hacid , Ahmed K. Elmagarmid, Xingquan Zhu : A hierarchical access control model for video database systems. ACM Trans. Inf. Syst. 21 (2): 155-191 (2003) Athena Vakali , Evimaria Terzi , Elisa Bertino , Ahmed K. Elmagarmid: Hierarchical data placement for navigational multimedia applications. Data Knowl. Eng. 44 (1): 49-80 (2003) Elisa Bertino , Tiziana Catarci , Ahmed K. Elmagarmid, Mohand-Said Hacid : Quality of Service Specification in Video Databases. IEEE MultiMedia 10. (4): 71-81 (2003) Nick Bassiliades , Ioannis P. Vlahavas , Ahmed K. Elmagarmid, Elias N. Houstis : InterBase-KB: Integrating a Knowledge Base System with a Multidatabase System for Data Warehousing. IEEE Trans. Knowl. Data Eng. 15 (5): 1188-1205 (2003) Ahmed K. Elmagarmid, Jin Jing , Abdelsalam Helal , Choonhwa Lee : Scalable Cache Invalidation Algorithms for Mobile Data Access. IEEE Trans. Knowl. Data Eng. 15 (6): 1498-1511 (2003) Elisa Bertino , Ahmed K. Elmagarmid, Mohand-Said Hacid : Ordering and Path Constraints over Semistructured Data. J. Intell. Inf. Syst. 20 (2): 181-206 (2003) Xingquan Zhu , Jianping Fan , Ahmed K. Elmagarmid, Xindong Wu : Hierarchical video content description and summarization using unified semantic and visual similarity. Multimedia Syst. 9 (1): 31-53 (2003) Elisa Bertino , Ahmed K. Elmagarmid, Mohand-Said Hacid : A Database Approach to Quality of Service Specification in Video Databases. SIGMOD Record 32 (1): 35-40 (2003) Brahim Medjahed , Boualem Benatallah , Athman Bouguettaya , Anne H. H. Ngu , Ahmed K. Elmagarmid: Business-to-business interactions: issues and enabling technologies. VLDB J. 12 (1): 59-85 (2003) Brahim Medjahed , Athman Bouguettaya , Ahmed K. Elmagarmid: Composing Web services on the Semantic Web. VLDB J. 12 (4): 333-351 (2003) Xingquan Zhu , Jianping Fan , Mohand-Said Hacid , Ahmed K. Elmagarmid: ClassMiner: mining medical video for scalable skimming and summarization. ACM Multimedia 2002 : 79-80 Xingquan Zhu , Jianping Fan , Walid G. Aref , Ahmed K. Elmagarmid: ClassMiner: Mining Medical Video Content Structure and Events Towards Efficient Access and Scalable Skimming. DMKD 2002 Christos Berberidis , Walid G. Aref , Mikhail J. Atallah , Ioannis P. Vlahavas , Ahmed K. Elmagarmid: Multiple and Partial Periodicity Mining in Time Series Databases. ECAI 2002 : 370-374 Mohamed G. Elfeky , Ahmed K. Elmagarmid, Vassilios S. Verykios : TAILOR: A Record Linkage Tool Box. ICDE 2002 : 17-28 Walid G. Aref , Ann Christine Catlin , Ahmed K. Elmagarmid, Jianping Fan , J. Guo , Moustafa A. Hammad , Ihab F. Ilyas , Mirette S. Marzouk , S. Prabhakar , Abdelmounaam Rezgui , S. Teoh , Evimaria Terzi , Y. Tu , Athena Vakali , Xingquan Zhu : A Distributed Database Server for Continuous Media. ICDE 2002 : 490-491 Xingquan Zhu , Jianping Fan , Xiangyang Xue , Lide Wu , Ahmed K. Elmagarmid: Semi-automatic Video Content Annotation. IEEE Pacific Rim Conference on Multimedia 2002 : 245-252 Walid G. Aref , Ann Christine Catlin , Jianping Fan , Ahmed K. Elmagarmid, Moustafa A. Hammad , Ihab F. Ilyas , Mirette S. Marzouk , Xingquan Zhu : A Video Database Management System for Advancing Video Database Research. Multimedia Information Systems 2002 : 8-17 Christos Berberidis , Ioannis P. Vlahavas , Walid G. Aref , Mikhail J. Atallah , Ahmed K. Elmagarmid: On the Discovery of Weak Periodicities in Large Time Series. PKDD 2002 : 51-61 Yücel Saygin , Vassilios S. Verykios , Ahmed K. Elmagarmid: Privacy Preserving Association Rule Mining. RIDE 2002 Ihab F. Ilyas , Walid G. Aref , Ahmed K. Elmagarmid: Joining Ranked Inputs in Practice. VLDB 2002 : 950-961 Elisa Bertino , Ahmed K. Elmagarmid, Mohand-Said Hacid : A Knowledge-Based Approach to Visual Information. J. Intell. Inf. Syst. 19 (3): 319-341 (2002) F. A. Kokkoras , Haitao Jiang , Ioannis P. Vlahavas , Ahmed K. Elmagarmid, Elias N. Houstis , Walid G. Aref : Smart VideoText: a video data model based on conceptual graphs. Multimedia Syst. 8 (4): 328-338 (2002) Jianping Fan , Xingquan Zhu , Mohand-Said Hacid , Ahmed K. Elmagarmid: Model-Based Video Classification toward Hierarchical Representation, Indexing and Access. Multimedia Tools Appl. 17 (1): 97-120 (2002) Elena Dasseni , Vassilios S. Verykios , Ahmed K. Elmagarmid, Elisa Bertino : Hiding Association Rules by Using Confidence and Support. Information Hiding 2001 : 369-383 Athman Bouguettaya , Ahmed K. Elmagarmid, Brahim Medjahed , Mourad Ouzzani : Ontology-based Support for Digital Government. VLDB 2001 : 633-636 Mohand-Said Hacid , Farouk Toumani , Ahmed K. Elmagarmid: Constraint-Based Approach to Semistructured Data. Fundam. Inform. 47 (1-2): 53-73 (2001) Ahmed K. Elmagarmid, William J. McIver Jr. : The Ongoing March Toward Digital Government - Guest Editors' Introduction. IEEE Computer 34 (2): 32-38 (2001) Jianping Fan , Walid G. Aref , Mohand-Said Hacid , Ahmed K. Elmagarmid: An improved automatic isotropic color edge detection technique. Pattern Recognition Letters 22 (13): 1419-1429 (2001) Elisa Bertino , Ahmed K. Elmagarmid, Mohand-Said Hacid : Quality of Service in Multimedia Digital Libraries. SIGMOD Record 30 (1): 35-40 (2001) Elisa Bertino , Moustafa A. Hammad , Walid G. Aref , Ahmed K. Elmagarmid: An Access Control Model for Video Database Systems. CIKM 2000 : 336-343 Yolanda Villate , Evaggelia Pitoura , Arantza Illarramendi , Ahmed K. Elmagarmid: Extending the Data Services of Mobile Computers by External Data Lockers. DEXA Workshop 2000 : 160-164 Vassilios S. Verykios , Mohamed G. Elfeky , Ahmed K. Elmagarmid, Munir Cochinwala , Siddhartha R. Dalal : On the Accuracy and Completeness of the Record Matching Process. IQ 2000 : 54-69 Yücel Saygin , Özgür Ulusoy , Ahmed K. Elmagarmid: Association Rules for Supporting Hoarding in Mobile Computing Environments. RIDE 2000 : 71-78 Boualem Benatallah , Brahim Medjahed , Athman Bouguettaya , Ahmed K. Elmagarmid, James Beard : Composing and Maintaining Web-based Virtual Enterprises. TES 2000 : 155-174 Nick Bassiliades , Ioannis P. Vlahavas , Ahmed K. Elmagarmid: E-DEVICE: An Extensible Active Knowledge Base System with Multiple Rule Type Support. IEEE Trans. Knowl. Data Eng. 12 (5): 824-844 (2000) Vassilios S. Verykios , Ahmed K. Elmagarmid, Elias N. Houstis : Automating the approximate record-matching process. Inf. Sci. 126 (1-4): 83-98 (2000) Jin Jing , Abdelsalam Helal , Ahmed K. Elmagarmid: Client-Server Computing in Mobile Environments. ACM Comput. Surv. 31 (2): 117-157 (1999) Haitao Jiang , Danilo Montesi , Ahmed K. Elmagarmid: Integrated Video and Text for Content-based Access to Video Databases. Multimedia Tools Appl. 9 (3): 227-249 (1999) Haitao Jiang , Ahmed K. Elmagarmid: WVTDB - A Semantic Content-Based Video Database System on the World Wide Web. IEEE Trans. Knowl. Data Eng. 10 (6): 947-966 (1998) Haitao Jiang , Abdelsalam Helal , Ahmed K. Elmagarmid, Anupam Joshi : Scene Change Detection Techniques for Video Database Systems. Multimedia Syst. 6 (3): 186-195 (1998) Haitao Jiang , Ahmed K. Elmagarmid: Spatial and Temporal Content-Based Access to Hypervideo Databases. VLDB J. 7 (4): 226-238 (1998) Haitao Jiang , Danilo Montesi , Ahmed K. Elmagarmid: VideoText Database Systems. ICMCS 1997 : 344-351 Abdelsalam Helal , Y. Kim , Marian H. Nodine , Ahmed K. Elmagarmid, Abdelsalam Heddaya : Transaction Optimization Techniques. Advanced Transaction Models and Architectures 1997 : 0- Jin Jing , Ahmed K. Elmagarmid, Abdelsalam Helal , Rafael Alonso : Bit-Sequences: An Adaptive Cache Invalidation Method in Mobile Client/Server Environments. MONET 2 (2): 115-127 (1997) Omran A. Bukhres , Ahmed K. Elmagarmid: Object-Oriented Multidatabase Systems: A Solution for Advanced Applications Prentice-Hall 1996 Elias N. Houstis , Anupam Joshi , Mikhail J. Atallah , Sanjiva Weerawarana , Ahmed K. Elmagarmid: Internet, education, and the Web. WETICE 1996 : 27-33 Ahmed K. Elmagarmid, Jin Jing , Won Kim , Omran A. Bukhres , Aidong Zhang : Global Committability in Multidatabase Systems. IEEE Trans. Knowl. Data Eng. 8 (5): 816-824 (1996) Ahmed K. Elmagarmid, Jin Jing , Omran A. Bukhres : An Efficient and Reliable Reservation Algorithm for Mobile Transactions. CIKM 1995 : 90-95 Ahmed K. Elmagarmid: Experiences with Research and Development in Multidatabase Systems: An Agenda for Future Work. ICCCN 1995 Jin Jing , Omran A. Bukhres , Ahmed K. Elmagarmid: Distributed Lock Management for Mobile Transactions. ICDCS 1995 : 118-125 Evaggelia Pitoura , Omran A. Bukhres , Ahmed K. Elmagarmid: Object Orientation in Multidatabase Systems. ACM Comput. Surv. 27 (2): 141-195 (1995) Hesham El-Rewini , Scott Hamilton , Yen-Ping Shan , Ralph Earle , Skip McGaughey , Abdelsalam Helal , Ravi Badrachalam , Andrew A. Chien , Andrew S. Grimshaw , Byung Suk Lee , Andrew E. Wade , Dave Morse , Ahmed K. Elmagarmid, Evaggelia Pitoura , Robert V. Binder , Peter Wegner : Object Technology: A Virtual Roundtable. IEEE Computer 28 (10): 58-72 (1995) eva Kühn , Ahmed K. Elmagarmid, Yungho Leu , Noureddine Boudriga : A Parallel Logic Language for Transaction Specification in Multidatabase Systems. Journal of Systems Integration 5 (3): 219-252 (1995) Ahmed K. Elmagarmid, Jin Jing , Tetsuya Furukawa : Wireless Client/Server Computing for Personal Information Services and Applications. SIGMOD Record 24 (4): 16-21 (1995) Catherine E. Houstis , Theodore S. Papatheodorou , Vassilios S. Verykios , Aris Floratos , Ahmed K. Elmagarmid: BIND: A Biomedical INteroperable Database System. DEXA 1994 : 671-679 Jin Jing , Weimin Du , Ahmed K. Elmagarmid, Omran A. Bukhres : Maintaining Consistency of Replicated Data in Multidatabase Systems. ICDCS 1994 : 552-559 James G. Mullen , Ahmed K. Elmagarmid: InterSQL: A Multidatabase Transaction Programming Language. DBPL 1993 : 399-416 Jiansan Chen , Omran A. Bukhres , Ahmed K. Elmagarmid: IPL: A Multidatabase Transaction Specification Language. ICDCS 1993 : 439-448 Aidong Zhang , Ahmed K. Elmagarmid: On Global Transaction Scheduling Criteria in Multidatabase Systems. PDIS 1993 : 117-124 Omran A. Bukhres , Jiansan Chen , Ahmed K. Elmagarmid, Xianging Liu , James G. Mullen : InterBase: A Multidatabase Prototype System. SIGMOD Conference 1993 : 534-539 Jiansan Chen , Omran A. Bukhres , Ahmed K. Elmagarmid: The Implementation of Cooperative Mechanisms Among System Components in a Heterogeneous Multidatabase Environment. Computing Systems 6 (3): 207-243 (1993) Ahmed K. Elmagarmid: Editorial. Distributed and Parallel Databases 1 (1): 5-6 (1993) Ahmed K. Elmagarmid: Editorial. Distributed and Parallel Databases 1 (4): 335 (1993) Omran A. Bukhres , Jiansan Chen , Weimin Du , Ahmed K. Elmagarmid, Rob Pezzoli : InterBase: An Execution Environment for Heterogeneous Software Systems. IEEE Computer 26 (8): 57-69 (1993) Omran A. Bukhres , Ahmed K. Elmagarmid, eva Kühn : Implementation of the Flex Transaction Model. IEEE Data Eng. Bull. 16 (2): 28-32 (1993) Imadeldin O. Mahgoub , Ahmed K. Elmagarmid: Clarifications and Corrections To 'Performance Analysis of a Generalized Class of m-Level Hierarchical Multiprocessor Systems' (Mar 1992 129-138). IEEE Trans. Parallel Distrib. Syst. 4 (6): 719-720 (1993) Yungho Leu , Ahmed K. Elmagarmid, Noureddine Boudriga : Corrigendum: Specification and execution of transactions for advanced database applications. Inf. Syst. 18 (2): 141, (1993) Ahmed K. Elmagarmid, Jiansan Chen , Omran A. Bukhres : Remote System Interfaces: An Approach to Overcoming the Heterogeneity Barrier and Retaining Local Autonomy in the Integration of Heterogeneous Systems. Int. J. Cooperative Inf. Syst. 2 (1): 1-22 (1993) Weimin Du , Ahmed K. Elmagarmid, Won Kim , Omran A. Bukhres : Support Consistent Updates in Replicated Multidatabase Systems VLDB J. 2 (2): 215-241 (1993) Aidong Zhang , Ahmed K. Elmagarmid: A Theory of Global Concurrency Control in Multidatabase Systems VLDB J. 2 (3): 331-360 (1993) Ahmed K. Elmagarmid: Database Transaction Models for Advanced Applications. Morgan Kaufmann 1992 eva Kühn , Franz Puntigam , Ahmed K. Elmagarmid: An Execution Model for Distributed Database Transactions and Its Implementation in VPL. EDBT 1992 : 483-498 Omran A. Bukhres , Jiansan Chen , Jindong Chen , Ahmed K. Elmagarmid, Yungho Leu , Gang Zhu : ILP: The InterBase Parallel Language. RIDE-TQP 1992 : 69-76 eva Kühn , Franz Puntigam , Ahmed K. Elmagarmid: Multidatabase Transaction and Query Processing in Logic Database Transaction Models for Advanced Applications 1992 : 297-348 Ahmed K. Elmagarmid, Yungho Leu , James G. Mullen , Omran A. Bukhres : Introduction to Advanced Transaction Models Database Transaction Models for Advanced Applications 1992 : 33-52 Imadeldin O. Mahgoub , Ahmed K. Elmagarmid: Performance Analysis of a Generalized Class of M-Level Hierarchical Multiprocessor Systems. IEEE Trans. Parallel Distrib. Syst. 3 (2): 129-138 (1992) Imadeldin O. Mahgoub , Ahmed K. Elmagarmid: Bandwidth availability of m-level hierarchical multiprocessor systems. Inf. Sci. 60 (3): 185-215 (1992) Yungho Leu , Ahmed K. Elmagarmid, Noureddine Boudriga : Specification and execution of transactions for advanced database applications. Inf. Syst. 17 (2): 171-183, (1992) Weimin Du , Ahmed K. Elmagarmid, Won Kim : Maintaining Quasi Serializability in Multidatabase Systems. ICDE 1991 : 360-367 Ahmed K. Elmagarmid: Letter from the Issue Editor. IEEE Data Eng. Bull. 14 (1): 2-3 (1991) Ahmed K. Elmagarmid, Weimin Du : Integrity Aspects of Quasi Serializability. Inf. Process. Lett. 38 (1): 23-28 (1991) Ahmed K. Elmagarmid, Marek Rusinkiewicz : Critical issues in multidatabase systems. Inf. Sci. 57-58 : 403-424 (1991) Yungho Leu , Ahmed K. Elmagarmid: A Hierarchical Approach to Concurrency Control for Multidatabases. DPDS 1990 : 202-210 Ahmed K. Elmagarmid, Weimin Du : A Paradigm for Concurrency Control in Heterogeneous Distributed Database Systems. ICDE 1990 : 37-46 Marek Rusinkiewicz , Shawn Ostermann , Ahmed K. Elmagarmid, Kanchei Loa : The Distributed Operation Language for Specifying Multisystem Applications. ICSI 1990 : 337-345 Ahmed K. Elmagarmid, Yungho Leu , Witold Litwin , Marek Rusinkiewicz : A Multidatabase Transaction Model for InterBase. VLDB 1990 : 507-518 Ahmed K. Elmagarmid, Calton Pu : Guest Editors' Introduction to the Special Issue on Heterogeneous Databases. ACM Comput. Surv. 22 (3): 175-178 (1990) Marek Rusinkiewicz , Ahmed K. Elmagarmid, Yungho Leu , Witold Litwin : Extending the Transaction Model to Capture more Meaning. SIGMOD Record 19 (1): 3-7 (1990) Peter Scheuermann , Ahmed K. Elmagarmid, Hector Garcia-Molina , Frank Manola , Dennis McLeod , Arnon Rosenthal , Marjorie Templeton : Report on the Workshop on Heterogenous Database Systems held at Northwestern University, Evanston, Illinois, December 11-13, 1989, Sponsored by NSF. SIGMOD Record 19 (4): 23-31 (1990) Weimin Du , Ahmed K. Elmagarmid: Quasi Serializability: a Correctness Criterion for Global Concurrency Control in InterBase. VLDB 1989 : 347-355 Ahmed K. Elmagarmid, Abdelsalam Helal : Towards a unified model for performance evaluation of concurrency control. Inf. Sci. 47 (1): 77-94 (1989) Ahmed K. Elmagarmid: Introduction to the special issue on database systems. Inf. Sci. 49 (1-3): 1-2 (1989) Ahmed K. Elmagarmid, Abdelsalam Helal : Supporting Updates in Heterogeneous Distributed Database Systems. ICDE 1988 : 564-569 Ajoy Kumar Datta , Sukumar Ghosh , Douglas Harms , Ahmed K. Elmagarmid: Deadlock-Avoidance Mechanisms in Distributed Systems. Comput. Syst. Sci. Eng. 3 (2): 67-82 (1988) Ajoy Kumar Datta , Sukumar Ghosh , Muhundan Gopalan , Ahmed K. Elmagarmid: Pipelining and concurrency in graphics and image-processing applications. Comput. Syst. Sci. Eng. 3 (3): 107-116 (1988) Ahmed K. Elmagarmid, Ajoy Kumar Datta : Two-Phase Deadlock Detection Algorithm. IEEE Trans. Computers 37 (11): 1454-1458 (1988) Ahmed K. Elmagarmid, Neelam Soundararajan , Ming T. Liu : A Distributed Deadlock Detection and Resolution Algorithm and Its Correctness Proof. IEEE Trans. Software Eng. 14 (10): 1443-1452 (1988) Ahmed K. Elmagarmid: Fault-Tolerant Deadlock Detection in Distributed Database Systems. Comput. Syst. Sci. Eng. 2 (1): 16-28 (1987) Ahmed K. Elmagarmid, Yungho Leu : An Optimistic Concurrency Control Algorithm for Heterogeneous Distributed Database Systems. IEEE Data Eng. Bull. 10 (3): 26-32 (1987) Ahmed K. Elmagarmid, Amit P. Sheth , Ming T. Liu : Deadlock Detection Algorithms in Distributed Database Systems. ICDE 1986 : 556-564 Ahmed K. Elmagarmid, Abdelsalam Helal , Magdy H. Nagi : Optimistic vs. Pessimistic Concurrency Control Algorithms: A Comparative Study. ICPP 1986 : 131-138 Ahmed K. Elmagarmid: A Survey of Distributed Deadlock Algorithms. 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