Big Data

What is Big Data?
Big Data: definition and examples
  • Web analytics

When we shop online, book vacations, and search for gift ideas, we hardly give a second thought to the fact that each search entry leaves behind a trail of our identity. Busy web bots are never far behind and sweep up this information. The result of all of this is Big Data: massive volumes of data that are analyzed and used for a variety of reasons. But is there reason to be wary of leaving behind...

Big Data: definition and examples
Kibana tutorial
Kibana dashboard tutorial for beginners
  • Web analytics

If large amounts of data have to be indexed and structured, the license-free engine, Elasticsearch, is a popular solution. The Kibana web interface is often used to present the processed data in an appealing form. Together with Elasticsearch and Logstash, this forms the so-called ELK stack. In our Kibana tutorial, we explain step by step how to get the server application Kibana up and running and...

Kibana dashboard tutorial for beginners
Apache Hadoop: the framework for Big Data
Apache Hadoop: distributed storage architecture for data quantities
  • Know-how

Are you looking to execute complicated computing processes with large amounts of data? This is exactly what the Big Data framework, Hadoop, focuses on. The open source Apache software offers a Java based frame with which various Big Data applications on computer clusters can be parallelized. Hadoop’s modular expandability, which offers users an enormous range of functions, is a particularly...

Apache Hadoop: distributed storage architecture for data quantities
In-memory databases
In-memory databases: the storage of big data
  • Technical matters

In-memory databases enable big data to be analyzed and made available in real time. The quick access speeds are made possible by storing the data on the working memory – hence the name in-memory database. Traditional databases, on the other hand, are based on the method of storing data on the hard disk. How do in-memory databases differ from traditional database systems? And what are the go-to...

In-memory databases: the storage of big data
Jupyter Notebook
Jupyter Notebook: Web documents for data analysis, live coding and more.
  • Web development

Processing big data plays an increasingly important role in many companies. Among the key tasks are the separation of important and unimportant data and the creation of suitable visualizations to be able to present the results in an appropriate form. The open source tool Jupyter Notebook proves to be an excellent solution for this, as well as for displaying live code.

Jupyter Notebook: Web documents for data analysis, live coding and more.
How to create an e-book
Everything you need to know about e-books – part 1: creating an e-book
  • Online sales

The interest in e-books has largely increased in previous years, and modern reading devices with energy-saving ‘e-ink’ display technology have now made the once niche product a mainstream contender. In our multi-part series, we give you tips on creating your own e-book. Welcome to part one: things to consider regarding planning, structure, and publishing.

Everything you need to know about e-books – part 1: creating an e-book
SWOT analysis - How to create a positional analysis
What is a SWOT analysis?
  • Web analytics

A SWOT analysis links internal inquiries with environmental analyses. The comparisons of strengths and weaknesses of individual business areas as well as external chances and risks make it possible to position a company in the competitive environment. The goal of such an analysis is to identify potentials and threats. The results of the SWOT analysis are presented in the form of a matrix and...

What is a SWOT analysis?
Information Retrieval: how Search Engines retrieve Data
Information Retrieval: the Great Search for Knowledge
  • Search engine marketing

In our everyday life, we search for and receive a lot of information. Through the Internet, the searching for data and facts has changed tremendously. Search engines help us find the information we need from the vast amount available. But how do Google and other search engines actually gather the information? Behind both large search engines and smaller library databases, there are so-called...

Information Retrieval: the Great Search for Knowledge
Google Data Studio for visual data analyses
Google Data Studio: setting the scene with your data
  • Web analytics

Data analysis is a purely theoretical matter for most people. But in order to provide the customer with information, it’s important to be able to visualize sets of data. With Google Data Studio, you can summarize data from different sources into one handy report. Our guide gives you an overview of Google’s latest offering.

Google Data Studio: setting the scene with your data
Information overload – too much advertising?
Information overload in the era of mass media
  • Online sales

Every day we are bombarded with adverts and messages loaded with all sorts of information. And there are those that argue that globalization has meant that the market has become saturated with products. Many consumers feel overwhelmed by the sheer amount of information. This so-called information overload means that consumers take in hardly any adverts anymore. Here you can find out exactly what...

Information overload in the era of mass media