Assignment 2: Logical Database Design Introduction. This assignment is about the logical database design for an ER diagram included in this assignment description. The objectives are to gain practical ...

Learn data modeling techniques to ensure the integrity, consistency, and quality of your relational data model. Discover how to define scope, normalize, name, document, and enforce rules.

In this article we present a mathematical data model for the most common noSQL databases—namely, key/value relationships—and demonstrate that this data model is the mathematical dual of SQL’s ...

The assignment included reviewing unstructured JSON data and creating a structured relational data model, generating queries to answer specific business questions, identifying data quality issues, and ...

Knowledge graphs enable a wide variety of applications, including question answering and information retrieval. Despite the great effort invested in their creation and maintenance, even the largest (e ...

Although there have been many probabilistic or fuzzy relational database models proposed for representing and handling uncertain or imprecise information of objects in real-world applications, models ...

Probabilistic graphical model representations of relational data provide a number of desired features, such as inference of missing values, detection of errors, visualization of data, and ...

Keyword Search Over Relational Databases(KSORD) has been widely studied in recent years. However, existing KSORD methods are usually based on schema graph or data graph and they are actually ...