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 ...

The landscape changed radically when Ted Codd proposed a new data model and a structured query language (SQL) based on the mathematical concept of relations and foreign-/primary-key relationships. 4 ...

This paper extends unsupervised statistical outlier detection to the case of object-relational data, based on probabilistic modeling. Object-relational data represent a complex heterogenous network, ...

The third part describes two object-relational extensions to the data model. One of them comes with MS Visio, while the other is ODL (Object Definition Language) defined by ODMG (Object Database ...

Lecture 3 is a presentation of the fundamental method of the development of the schema of a relational database. This method consists of two steps. During the first step we design the data model of ...

(Diagram of the Steps of the data journey: Step 1 - define, find, gather; Step 2 - explore, clean, describe; Step 3 - analyze, model; Step 4 - tell the story. The data journey is supported by a ...