Search: in, Versioning, Moon, H

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The PRISM Workwench: Database Schema Evolution Without Tears

... to a perpetual evolution, which is particularly pressing in Web Information Systems, due to their distributed and often collaborative ... logical independence, and auditability of the process. In fact, PRISM exploits recent theoretical results on mapping composition, ...

Publication - krlis1337 - 04/17/2013 - 11:05 - 0 comments - 0 attachments

Update Rewriting and Integrity Constraint Maintenance in a Schema Evolution Support System: PRISM++

... more difficult and have thus far remained unsolved. In this paper, we address this issue by introducing a formal evolution model ... including the Genetic DB Ensembl (410+ schema versions in 9 years), and Wikipedia (240+ schema versions in 6 years). (Database ...

Publication - krlis1337 - 04/17/2013 - 06:49 - 0 comments - 0 attachments

Managing and querying transaction-time databases under schema evolution

... the challenge of managing the history of their databases in the face of intense database schema evolution . Our PRIMA system ... method for publishing the history of a relational database in XML, whereby the evolution of the schema and its underlying database are ...

Publication - krlis1337 - 04/17/2013 - 01:38 - 0 comments - 1 attachment

Managing the History of Metadata in support for DB Archiving and Schema Evolution

... Modern information systems, and web information systems in particular, are faced with frequent database schema changes, which generate ... to manage such evolution and preserve their history. In this paper, we describe the Pantha Rei Framework designed to provide ...

Publication - krlis1337 - 04/16/2013 - 10:05 - 0 comments - 0 attachments

Scalable Architecture and Query Optimization for Transaction-time DBs with Evolving Schemas

... causes major usability and scalability problems in preservation,retrieval and querying of databases with intense evolution ... hundreds of schema versions.This scenarios are common in web information systems and scientific databases that frequently accumulate ...

Publication - krlis1337 - 04/16/2013 - 08:05 - 0 comments - 0 attachments