来自不同信息源的内涵知识的析取与利用：半自动方法与工具Extraction and Exploitation of Intensional Knowlesge from Heterogeneous Information Sources 下载 pdf 百度网盘 epub 免费 2025 电子版 mobi 在线

This book is the first comprehensive approach to the construction and the management of cooperative information systems. From a set of input database schemes describing the information content of multiple sources, the techniques presented yield a structured, integrated and consistent de*ion of the information content represented in a suitable data repository. The author builds his work on skilled and controlled use of results and methods from various fields of computer science, such as data mining, algorithmic learning, knowledge representation, database management, etc. The approach presented has been implemented in the prototype system DIKE, Database Intensional Knowledge Extractor, which has been studied in various application contexts.

Introduction

Motivations

Problem Statement and Approach Description

General Characteristics

Derivation of Interscheme Properties

Construction of a Data Repository

Exploiting the Data Repository for Constructing a CIS or a DW

Related Works

Interscheme Property Dermation

Data Repository Construction

Synthesis of Cooperative Information Systems

Synthesis of Data Warehouses

Contribution

Interscheme Property Derivation

Data Repository Construction

Synthesis of a Cooperative Information System

Synthesis of a Data Warehouse

Experiments

Plan of the Thesis

Part I Property Extraction

Extraction of Synonymies, Homonymies and Type Conflicts

General Characteristics of the Approach

Definition of the Graph-Based Metrics

External Fixpoint

Overview

Technical Details

Internal Fixpoints

Overview

Technical Details

A Complete Example

Complexity Issues

Sensitivity Analysis

Changes in the LSPD

Changes in the Weights ws(i)

Changes in the Weight wc

Changes in the Weights wn, wd and wk

Result Summary

Extraction of Object Cluster Similarities

General Characteristics of the Approach

Derivation of Object Cluster Similarities

A Complete Example

Complexity Issues

Extraction of Hyponymies and Overlappings

Introduction

Deriving Basic Hyponymies and Overlappings

General Characteristics of the Approach

Technical Details

……

Part II Construction of a Cooperative Information System and of a Data Warehouse

Part III System Description and Experimentations

Part IV Final Issues

A. Appendix

Attribute)-Relationship Conflict

Index

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This book is the first comprehensive approach to the construction and the management of cooperative information systems. From a set of input database schemes describing the information content of multiple sources, the techniques presented yield a structured, integrated and consistent description of the information content represented in a suitable data repository. The author builds his work on skilled and controlled use of results and methods from various fields of computer science, such as data mining, algorithmic learning, knowledge representation, database management, etc. The approach presented has been implemented in the prototype system DIKE, Database Intensional Knowledge Extractor, which has been studied in various application contexts.