'Global schema' diaporamas de présentation

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Answering Queries Using Views: A Survey

Answering Queries Using Views: A Survey. Alon Y. Levy Presented by: Catharina Vijay. Motivation. Rewriting queries using views is important because of its relevance in the following areas: Query optimization Maintenance of physical data independence Data integration

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Outline

Outline. Introduction Background Distributed Database Design Database Integration Semantic Data Control Distributed Query Processing Multidatabase Query Processing Query Rewriting Optimization Issues Distributed Transaction Management Data Replication Parallel Database Systems

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Data Integration by Bi-Directional Schema Transformation Rules

Data Integration by Bi-Directional Schema Transformation Rules. By Peter McBrien and Alexandria Poulovassilis Presented by Suman Paladugu. Introduction. A new approach to data integration called both as view (BAV)

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Data Integration by Bi-Directional Schema Transformation Rules

Data Integration by Bi-Directional Schema Transformation Rules. By Peter McBrien and Alexandria Poulovassilis Presented by Suman Paladugu. Introduction. A new approach to data integration called both as view (BAV)

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Distributed Higher Order Association Rule Mining Using Information Extracted from Textual Data

Distributed Higher Order Association Rule Mining Using Information Extracted from Textual Data. From: Shenzhi Li, Tianhao Wu,William M. Pottenger, SIGKDD Explorations .Vol. 7, Issue 1, pp. 26-35. Presenter : Wei-Shen Tai Advisor : Professor Chung-Chian Hsu 2005/8/ 3. Outline. Introduction

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The Dream of a Global Network of Knowledge

The Dream of a Global Network of Knowledge. Martin Doerr. Center for Cultural Informatics Institute of Computer Science Foundation for Research and Technology - Hellas. Amsterdam, Netherlands November 17, 2011. Introduction. Digital Libraries take on different forms and roles.

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The Dream of a Global Network of Knowledge

The Dream of a Global Network of Knowledge. Martin Doerr. Center for Cultural Informatics Institute of Computer Science Foundation for Research and Technology - Hellas. Amsterdam, Netherlands November 17, 2011. Introduction. Digital Libraries take on different forms and roles.

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CSE 636 Data Integration

CSE 636 Data Integration. Data Integration Approaches. Virtual Integration Architecture. Leave the data in the sources When a query comes in: Determine the relevant sources to the query Break down the query into sub-queries for the sources

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Dynamic Database Integration in a JDBC Driver

Dynamic Database Integration in a JDBC Driver. Terrence Mason and Dr. Ramon Lawrence Iowa Database and Emerging Application Laboratory University of Iowa. 7th International Conference on Enterprise Information Systems ICEIS 2005 Miami, Florida. Presentation.

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Schema design and query processing in a federated multimedia database system

Schema design and query processing in a federated multimedia database system. Henrike Berthold & Klaus Meyer-Wegener Dresden University of Technology, Germany. CoopIS, Trento, Italy, 05/09/2001. Problem A Federated Multimedia Database System Global schema construction Query processing

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Database Integration

Database Integration. Dimensions of Integration. Existence of global schema Location transparency: same view of data and behavior at all sites Uniform access and update language Uniform interaction protocols Opacity of replication Strict semantic guarantees of overall system.

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PROJECT VISTA: Integrating Heterogeneous Utility Data A very brief overview

Anthony Beck. School of Computing FACULTY OF ENGINEERING. PROJECT VISTA: Integrating Heterogeneous Utility Data A very brief overview. Visualising integrated information on buried assets to reduce streetworks (VISTA) The Project. VISTA. 4 Year project funded by the DTI

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The information integration wizard (Iwiz) project

The information integration wizard (Iwiz) project. Report on work in progress Joachim Hammer Presented by Muhammed Al-Muhammed. introduction. people use internet to find information of interest.

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Data Integration Systems overview

Data Integration Systems overview. The architecture of a data integration system: Components and their interaction Tasks Concepts. Main components of a DI system. (I) Mediator ????? Supports in its user interface :

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Introduction

Integration of Biological Sources: Current Systems and Challenges Ahead ( Sigmod Record, Vol. 33. No. 3, September 2004 ) Thomas Hernandez & Sybbarao Kambhampati Dept. of Computer Science and Engineering Arizona State University. Introduction.

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CS 257 Database Systems Principles Assignment 1

CS 257 Database Systems Principles Assignment 1. Instructor: Student: Dr. T. Y. Lin Rajan Vyas (119). Modes of Information Integration. Information. Information Integration allows database or other distributed information to work together. Three most common approaches:

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A Next Wave of Challenges in the Junction of Information Management (esp. Integration) and the Web

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A Next Wave of Challenges in the Junction of Information Management (esp. Integration) and the Web

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Session - 21 DISTRIBUTED DATABASE DESIGN AND ADMINISTRATION

Matakuliah : M0184 / Pengolahan Data Distribusi Tahun : 2005 Versi :. Session - 21 DISTRIBUTED DATABASE DESIGN AND ADMINISTRATION. DISTRIBUTED DATABASE DESIGN. OBJECTIVES. Software life cycle The design of the global conceptual schema Logical design for distributed database.

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