Digital.
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Engineers

Integration elasticsearch Liferay – a mimacom webinar

Alberto Martínez Ballesteros explains the integration of elasticsearch in a Liferay Portal, an innovation for which mimacom earned the Liferay Innovation Award in 2014, a price awarded by the german Liferay community. The volume of data is growing faster. Elasticsearch is a powerful search engine and data analyzer which provides an extraordinary experience for the user. The elasticsearch index is the basis for the improvement of functionalities, such as autocomplete, synonyms and geo location search. Nowadays, advanced analytics and data visualization can be executed with tools like Kibana, thanks to the elasticsearch index. The elasticsearch integration is the fundamental key in the Big Data strategy for our clients.

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Social Media Influence on Stock Price Variabilities

Introduction Stock price variabilities are nowadays even more affected by positive and negative news. New media channels like Twitter, Facebook, Finance Pages and News Pages, make the news rapidly available and accessible for everybody. It is an enormous amount of distributed data (Big Data), which could no longer be evaluated by a single individual. Powerful and lots of hardware along with suitable systems are needed to gather and interpret this mass of data. With Spring XD (Extreme Spring Data), such a system for big data interpretation and analytics is available. The aim of Spring XD is to facilitate the development of big data applications and to provide an architecture for data acquisition, data processing, data analysis and data export. This article illustrates how positive and negative messages can influence the stock price variability’s implemented with the help of Spring XD.

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About user stories and acceptance criteria

Especially when joining projects for a second release with already existing functional design specifications (FDS), it may well be that user stories are not what they should be. With much room for interpretation they might not be clear, easy to understand or even complete. The impact is an additional (unexpected) effort with all further consequences and discussions between the customer and the contractor about what has and what hasn’t been offered. But why is it like that? If you have ever asked yourself one of the following questions: “What is a user story?”, “How can I write one?” and “Where can I keep all the conditions to lay the foundation for a successful project?” – well, this blog post is for you.

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