Integrity control in relational database systems—an overview

PWPJ Grefen, PMG Apers - Data & Knowledge Engineering, 1993 - Elsevier
This paper gives an overview of research regarding integrity control or integrity constraint
handling in relational database management systems. The topic of constraint handling is …

[图书][B] Datenbanksysteme: Konzepte und Techniken der Implementierung

T Härder, E Rahm - 2013 - books.google.com
Das Buch bietet eine umfassende und aktuelle Darstellung der Konzepte und Techniken zur
Implementierung von Datenbanksystemen. Ausgangspunkt ist ein hierarchisches …

[图书][B] Datenbanken. Implementierungstechniken

G Saake, KU Sattler, A Heuer - 2019 - books.google.com
Architekturprinzipien und Datenstrukturen moderner Datenbanksysteme Algorithmen und
optimierte Anfragen für Datenbankoperationen Transaktionsmodelle sowie …

[PDF][PDF] The DASDBS project: Objectives, experiences, and future prospects

HJ Schek - ETH, Eidgenössische Technische …, 1989 - research-collection.ethz.ch
This paper is a retrospective on the Darmstadt database system project, also known as
DASDBS. The project aimed at providing data management support for advanced applica …

[PDF][PDF] Design and Implementation of an Extensible Database Management System Supporting User Defined Data Types and Functions.

V Linnemann, K Küspert, P Dadam, P Pistor, R Erbe… - VLDB, 1988 - vldb.org
Current query languages for relational databases usually are fixed, ie they provide only a
fixed set of data types and operations. It is usually not possible to extend this set by user …

How do Mainland Chinese tourists perceive Hong Kong in turbulence? A deep learning approach to sentiment analytics

JX Hao, R Wang, R Law, Y Yu - International Journal of …, 2021 - Wiley Online Library
Deep learning has garnered increasing attention in many research fields. However, prior
research seldom focused on tourists' perception prediction and prescription towards tourism …

[图书][B] Integration of spatial information for geo-information systems

M Breunig - 1996 - Springer
This book presents a model for the integration of spatial information for 3D Geo-Information
Systems (3D-GISs). Former Geo-Information Systems are restricted to 2D space. They …

[图书][B] Models and tools for managing development processes

B Westfechtel - 2003 - books.google.com
The development of products in disciplines such as mechanical, electrical, or software
engineering is a challenging task. Costs have to be reduced, the ti-to-market has to be …

The prevalence of objects with sharp boundaries in GIS

AU Frank - Geographic objects with indeterminate boundaries, 2020 - taylorfrancis.com
The debate on vector-versus raster-based models is nearly as old as the concept of GIS
itself. This chapter starts from the point of view of experiential realism. Experiential realism …

[图书][B] On the way to component-based 3D/4D geoinformation systems

M Breunig - 2008 - books.google.com
The book deals with two central themes: data modeling and management for 3D objects
during different time states and the operning of geoinformation systems to a new generation …