Graph analysis of Stack Overflow tags with Oracle PGX – Part 2: Incremental Updates

Panagiotis Konstantinidis Data Engineering, Oracle NoSQL, Oracle PGX 0 Comments

This is the second part of our three-part blog post series (see the first part here), which deals with incremental data updates. In our scenario we assume that we acquire small batches of data updates using some kind of web scraping mechanism. We will not deal with the details of that mechanism, as it is beyond the scope of this …

Graph analysis of Stack Overflow tags with Oracle PGX – Part 1: Data Engineering

Panagiotis Konstantinidis Big Data, Data Engineering, Oracle NoSQL, Oracle PGX 0 Comments

Intoduction Oracle Parallel Graph Analytics (PGX) is a toolkit for graph analysis, both for running algorithms such as PageRank and for performing SQL-like pattern-matching against graphs. Extreme performance is offered through algorithm parallelization, and graphs can be loaded from a variety of sources such as flat files, SQL and NoSQL databases etc. So, in order to get a deeper feeling, …

Creating Data Models in ODI 12c with Common Format Designer (CFD)

Gabriel Sideras Data Integration 0 Comments

In this post I will try to outline the capabilities of the Common Format Designer (CFD) which can be used in Creating Data Models in ODI 12c. CFD can be used to quickly design a data model, forward engineer a database schema and generate a default data flow between data models. Oracle Data Integrator (ODI) is Oracle’s flagship product on data integration. In 12c a …