NDLI: From object evolution to object emergence

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Searching the web (keynote address): can you find what you want?

A practitioner's view of techniques used in data warehousing for sifting through data to provide information (keynote address)

Simple QSF-trees: an efficient and scalable spatial access method

Transformation-based spatial join

Binary string relations: a foundation for spatiotemporal knowledge representation

Extracting significant time varying features from text

A method of geographical name extraction from Japanese text for thematic geographical search

Training a selection function for extraction

Ready for prime time: pre-generation of web pages in TIScover

Local replication for proxy web caches with hash routing

Semantic caching via query matching for web sources

Automatically extracting structure and data from business reports

Extracting semi-structured data through examples

Discovering quasi-equivalence relationships from database systems

Task-oriented world wide web retrieval by document type classification

Classification algorithms for NETNEWS articles

Text classification using ESC-based stochastic decision lists

Database model for web-based cooperative applications

Indexing and retrieval of scientific literature

Metadata and data structures for the historical newspaper digital library

A horizontal fragmentation algorithm for the fact relation in a distributed data warehouse

Requirement-based data cube schema design

Extending complex ad-hoc OLAP

Yahoo! as an ontology: using Yahoo! categories to describe documents

Ontology-based web site mapping for information exploration

Browsing large digital library collections using classification hierarchies

ZBroker: a query routing broker for Z39.50 databases

Architecture of a metasearch engine that supports user information needs

Efficient and effective metasearch for a large number of text databases

Mining inter-transaction associations with templates

Efficient mining of association rules in text databases

Using domain knowledge in knowledge discovery

Incremental and interactive sequence mining

SemQL: a semantic query language for multidatabase systems

Rule-based query optimization, revisited

Page access scheduling in join processing

Queryable acyclic production systems

Self maintenance of multiple views in data warehousing

Updates and view maintenance in soft real-time database systems

An adaptive view element framework for multi-dimensional data management

A general language model for information retrieval

Practical evaluation of IR within automated classification systems

A unified environment for fusion of information retrieval approaches

Indexing field values in field oriented systems: interval Quadtree

Clustering declustered data for efficient retrieval

Indexing techniques for wireless data broadcast under data clustering and scheduling

Towards data warehouse design

Obsolescent materialized views in query processing of enterprise information systems

Efficient refreshment of materialized views with multiple sources

An effective mechanism for index update in structured documents

Performance and implications of semantic indexing in a distributed environment

Quality of service transferred to information retrieval: the adaptive information retrieval system

An adaptive algorithm for learning changes in user interests

Haystack: per-user information environments

Information integration with attribution support for corporate profiles

Architecture of a networked image search and retrieval system

A comparison of alternative continuous display techniques with heterogeneous multi-zone disks

Spatial match representation scheme supporting ranking in iconic images databases

Word segmentation and recognition for web document framework

An automated approach for retrieving hierarchical data from HTML tables

A probabilistic description-oriented approach for categorizing web documents

Clustering transactions using large items

A multiple-resolution method for edge-centric data clustering

A self-organized file cabinet

Incremental encoding of multiple inheritance hierarchies

From object evolution to object emergence

Graph-based object-oriented approach for structural and behavioral representation of multimedia data

A learning approach to processor allocation in parallel systems

Adaptive information filtering: detecting changes in text streams

Archiving telemeetings

From object evolution to object emergence

Content Provider	ACM Digital Library
Author	Tamzalit, Dalila Oussalah, Chabane
Abstract	Database applications which model aspects of the real world should be able to express as accurately as possible the different nuances of reality; that includes the need to evolve internally in response to signals of updates coming from the environment. These updates are not always supplied in an ideal and complete manner and are not always predefined or precisely defined. In practice, requirements for evolution generally occur during the manipulation of objects while running the database. It is frequently necessary to change individual objects, less frequently the database schema. Database systems need to have mechanisms capable, whenever and as well as possible, of assimilating this new information correctly and diagnosing and implementing the changes necessary.This paper concerns the evolution of objects inside databases. Our two main objectives are:to allow objects to evolve their structures dynamically during database maintenance and use, with all necessary impacts on the database schema;to allow, similarly, the creation and display of different plans for evolving the design, like ways of schema evolution, giving in this way a simulation tool for database design and maintenance.So, we propose a Genetic Evolution Object Model developed to have inherent capabilities for auto-adaptation between classes and instances.
Starting Page	514
Ending Page	521
Page Count	8
File Format	PDF
ISBN	1581131461
DOI	10.1145/319950.320058
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	1999-11-01
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Design evolution Development and emergence processes Object-ptype Class-gtype Crossing-over
Content Type	Text
Resource Type	Article

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