Entity-Relationship Approach - ER '93 de Ramez A. Elmasri

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, cartea 823

Ramez A. Elmasri

Vram Kouramajian

Bernhard Thalheim

en Limba Engleză Paperback – 28 iul 1994

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.

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Cuprins

The Object Flow Model: A formal framework for describing the dynamic construction, destruction and interaction of complex objects.- On complex objects and versioning in complex environments.- Application and system prototyping via an extensible object-oriented environment.- Reflection in a uniform behavioral object model.- Relative constraints in ER data models.- Design and implementation of derived entities.- Searching for compositions in ER schemes.- Enhancing the quality of conceptual database specifications through validation.- Functional dependencies generalized for temporal databases that include object-identity.- Temporal extensions to a uniform behavioral object model.- TOOSQL- a temporal object-oriented query language.- A taxonomy for schema versioning based on the relational and Entity Relationship Models.- Neighborhood/conceptual query answering with imprecise/incomplete data.- The entity-relationship model for multilevel security.- HDM2: Extending the E-R approach to hypermedia application design.- Database schema design: A perspective from natural language techniques to validation and view integration.- Transformation of requirement specifications expressed in natural language into an EER model.- A commonsense reasoning facility based on the entity-relationship model.- DETERM: Deterministic Event-Tuned Entity-Relationship Modeling.- A semantic comparison of the modelling capabilities of the ER and NIAM models.- From entity-relationship models to role-attribute models.- Analysis of binary relationships within ternary relationships in ER modeling.- Using conceptual graph theory to support schema integration.- Integration of heterogeneous object schemas.- The role of meta models in federating system modelling techniques.- Multilevel schema integration.- Reuseof object-oriented requirement specifications.- Performance evaluation of reverse engineering relational databases into extended Entity-Relationship models.- Transformation-based database reverse engineering.- Integrating the ER approach in an OO environment.- An extended entity-relationship approach to data management in object-oriented systems.- On mapping ER and relational models into OO schemas.- A repository meta model for interactive systems.- ER-based Information Retrieval in a mixed database environment.- A framework for automatic clustering of semantic models.- Extending ER model clustering by relationship clustering.- Semantic interoperability of multitemporal relational databases.- Modeling time: Adequacy of three distinct time concepts for temporal databases.- Towards a unifying logic formalism for semantic data models.- Knowledge-based approach for abstracting hierarchical and network schema semantics.- A state-space approach for database redesign.