Entity-Relationship Approach - ER '93: 12th International Conference on the Entity-Relationship Approach, Arlington, Texas, USA, December 15 - 17, 1993. Proceedings (Lecture Notes in Computer Science)

This Volume Contains The Proceedings Of The 12th International Conference Of The Entity-relationship Approach, Held In Arlington, Texas In December 1993; It Contains The Revised Versions Of 42 Papers Selected For Presentation At The Conference From A Total Of 87 Submissions. The Volume Presents Many Of The Most Important Results On The Era Published Since The Predecessor Conference Er '92. It Is Organized In Sections On Object-oriented Models, Query Languages, Applications Of The Er Model, Knowledge-based Modeling, Data Modeling, Schema Integration, Reuse And Reengineering, Integrating Er And Object-orientation, Conceptual Clustering, Modeling Time And Data Semantics.--publisher's Website. Ramez A. Elmasri, Vram Kouramajian, Bernhard Thalheim, Eds. Includes Bibliographical References And Index. The Object Flow Model: A formal framework for describing the dynamic construction, destruction and interaction of complex objects....Pages 1-12 On complex objects and versioning in complex environments....Pages 13-23 Application and system prototyping via an extensible object-oriented environment....Pages 24-33 Reflection in a uniform behavioral object model....Pages 34-45 Relative constraints in ER data models....Pages 46-59 Design and implementation of derived entities....Pages 60-73 Searching for compositions in ER schemes....Pages 74-84 Enhancing the quality of conceptual database specifications through validation....Pages 85-98 Functional dependencies generalized for temporal databases that include object-identity....Pages 99-109 Temporal extensions to a uniform behavioral object model....Pages 110-121 TOOSQL- a temporal object-oriented query language....Pages 122-136 A taxonomy for schema versioning based on the relational and Entity Relationship Models....Pages 137-148 Neighborhood/conceptual query answering with imprecise/incomplete data....Pages 149-165 The entity-relationship model for multilevel security....Pages 166-177 HDM2: Extending the E-R approach to hypermedia application design....Pages 178-189 Database schema design: A perspective from natural language techniques to validation and view integration....Pages 190-205 Transformation of requirement specifications expressed in natural language into an EER model....Pages 206-217 A commonsense reasoning facility based on the entity-relationship model....Pages 218-229 DETERM: Deterministic Event-Tuned Entity-Relationship Modeling....Pages 230-241 A semantic comparison of the modelling capabilities of the ER and NIAM models....Pages 242-256 From entity-relationship models to role-attribute models....Pages 257-270 Analysis of binary relationships within ternary relationships in ER modeling....Pages 271-282 Using conceptual graph theory to support schema integration....Pages 283-296 Integration of heterogeneous object schemas....Pages 297-314 The role of meta models in federating system modelling techniques....Pages 315-326 Multilevel schema integration....Pages 327-338 Reuse of object-oriented requirement specifications....Pages 339-351 Performance evaluation of reverse engineering relational databases into extended Entity-Relationship models....Pages 352-363 Transformation-based database reverse engineering....Pages 364-375 Integrating the ER approach in an OO environment....Pages 376-389 An extended entity-relationship approach to data management in object-oriented systems....Pages 390-401 On mapping ER and relational models into OO schemas....Pages 402-413 A repository meta model for interactive systems....Pages 414-425 ER-based Information Retrieval in a mixed database environment....Pages 426-437 A framework for automatic clustering of semantic models....Pages 438-450 Extending ER model clustering by relationship clustering....Pages 451-462 Semantic interoperability of multitemporal relational databases....Pages 463-474 Modeling time: Adequacy of three distinct time concepts for temporal databases....Pages 475-491 Towards a unifying logic formalism for semantic data models....Pages 492-507 Knowledge-based approach for abstracting hierarchical and network schema semantics....Pages 508-519 A state-space approach for database redesign....Pages 520-530