Theoretical and practical issues in evaluating the quality of conceptual models: current state and future directions
DL Moody - Data & Knowledge Engineering, 2005 - Elsevier
An international standard has now been established for evaluating the quality of software
products. However there is no equivalent standard for evaluating the quality of conceptual …
products. However there is no equivalent standard for evaluating the quality of conceptual …
Data warehouse systems
A Vaisman, E Zimányi - Data-Centric Systems and Applications, 2014 - Springer
Since the late 1970s, relational database technology has been adopted by most
organizations to store their essential data. However, nowadays, the needs of these …
organizations to store their essential data. However, nowadays, the needs of these …
[图书][B] Fundamentals of data warehouses
Data warehouses have captured the attention of practitioners and researchers alike. But the
design and optimization of data warehouses remains an art rather than a science. This book …
design and optimization of data warehouses remains an art rather than a science. This book …
A survey of logical models for OLAP databases
P Vassiliadis, T Sellis - ACM Sigmod Record, 1999 - dl.acm.org
In this paper, we present different proposals for multidimensional data cubes, which are the
basic logical model for OLAP applications. We have grouped the work in the field in two …
basic logical model for OLAP applications. We have grouped the work in the field in two …
[图书][B] Conceptual data warehouse design
B Hüsemann, J Lechtenbörger, G Vossen - 2000 - lagesoft.wordpress.com
A data warehouse is an integrated and timevarying collection of data derived from
operational data and primarily used in strategic decision making by means of online …
operational data and primarily used in strategic decision making by means of online …
Beyond micro-tasks: Research opportunities in observational crowdsourcing
R Lukyanenko, J Parsons - … : Concepts, methodologies, tools, and …, 2019 - igi-global.com
The emergence of crowdsourcing as an important mode of information production has
attracted increasing research attention. In this article, the authors review crowdsourcing …
attracted increasing research attention. In this article, the authors review crowdsourcing …
Research in data warehouse modeling and design: dead or alive?
Multidimensional modeling requires specialized design techniques. Though a lot has been
written about how a data warehouse should be designed, there is no consensus on a design …
written about how a data warehouse should be designed, there is no consensus on a design …
Why is the snowflake schema a good data warehouse design?
M Levene, G Loizou - Information Systems, 2003 - Elsevier
Database design for data warehouses is based on the notion of the snowflake schema and
its important special case, the star schema. The snowflake schema represents a …
its important special case, the star schema. The snowflake schema represents a …
Hierarchies in a multidimensional model: From conceptual modeling to logical representation
E Malinowski, E Zimányi - Data & Knowledge Engineering, 2006 - Elsevier
Hierarchies are used in data warehouses (DWs) and on-line analytical processing (OLAP)
systems to see data at different levels of detail. However, many kinds of hierarchies arising …
systems to see data at different levels of detail. However, many kinds of hierarchies arising …
A survey of multidimensional modeling methodologies
Many methodologies have been presented to support the multidimensional design of the
data warehouse. First methodologies introduced were requirement-driven but the semantics …
data warehouse. First methodologies introduced were requirement-driven but the semantics …