Paro - ElasticSearch cookbook

Alberto Paro is an engineer, a project manager, and a software developer. He currently works as a CTO at The Net Planet Europe and as a Freelance Consultant of software engineering on Big Data and NoSQL solutions. He loves studying emerging solutions and applications mainly related to Big Data processing, NoSQL, Natural Language Processing, and neural networks. He started programming in Basic on a Sinclair Spectrum when he was eight years old and in his life he has gained a lot of experience using different operative systems, applications, and programming.

In 2000, he completed Computer Science engineering from Politecnico di Milano with a thesis on designing multi-users and multidevices web applications. He worked as a professor helper at the university for about one year. Then, after coming in contact with The Net Planet company and loving their innovation ideas, he started working on knowledge management solutions and advanced data-mining products.

In his spare time, when he is not playing with his children, he likes working on open source projects. When he was in high school, he started contributing to projects related to the Gnome environment (GTKMM). One of his preferred programming languages was Python and he wrote one of the first NoSQL backend for Django for MongoDB (django-mongodb-engine). In 2010, he started using ElasticSearch to provide search capabilities for some Django e-commerce sites and developed PyES (a pythonic client for ElasticSearch) and the initial part of ElasticSearch MongoDB River.

I would like to thank my wife and my children for their support. I am indebted to my editors and reviewers for guiding this book to completion. Their professionalism, courtesy, good judgment, and passion for books are much appreciated.

Jettro Coenradie likes to try out new stuff. That is why he got his motorcycle drivers license. On a motorbike, you tend to explore different routes to get the best out of your bike and have fun while doing the things you need to do, such as going from A to B. When exploring new technologies, he also likes to explore new routes to find better and more interesting ways to accomplish his goal. Jettro rides an all terrain-bike; he does not like riding on the same ground over and over again. The same is valid for his technical interest; he knows about backend (ElasticSearch, MongoDB, Spring Data, and Spring Integration), as well as frontend (AngularJS, Sass, and Less) and mobile development (iOS and Sencha touch).

Henrik Lindstrm has worked with enterprise search for the last 10 years and the last two years mainly with ElasticSearch. He was one of the founders of 200 OK AB and the Truffler search service that ran on the top of ElasticSearch. In 2013, 200 OK was acquired by EPiServer AB and at that time, he joined EPiServer and is currently working on their cloud services and mainly the search service EPiServer Find. When Henrik isn't coding or spending time with his family, you might find him in the backcountry with skis on his feet during the winter or with a fly rod in his hand in the summer time.

Richard Louapre is a Technical Consultant with 12 years of experience in content management. He is passionate about exploring new IT technologies, particularly in the field of NoSQL, search engine, and MVC JavaScript framework. He applied those concepts in the open source MongoDB River Plugin for ElasticSearch (https://github.com/richardwilly98/elasticsearch-river-mongodb).

Christian Pietsch is a computational linguist with a degree from Saarland University, Germany. His work experience has been mostly research-related. At the Open University, England, he worked as a Java programmer within the Natural Language Generation group. As a Junior Researcher at the Center of Excellence in Cognitive Interaction Technology (CITEC), Germany, he analyzed linguistic data collections using Python and R, and even tried to build a human-like virtual receptionist with his colleagues.

Currently, at the Library Technology and Knowledge Management (LibTec) department of Bielefeld University Library, Germany, his duties include handling bibliographic metadata and research data. For this, his preferred toolkit is the open source modern Perl framework Catmandu that among other things provides easy-to-use wrappers for document stores and search engines such as ElasticSearch. Refer to http://librecat.org/ for more information about Catmandu.

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