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Building a Search Index with Lucene

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This article is part of our Academy Course titled Apache Lucene Fundamentals. In this course, you will get an introduction to Lucene. You will see why a library like this is important and then learn how searching works in Lucene. Moreover, you will learn how to integrate Lucene Search into your own applications in order to provide robust searching capabilities. ...

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Advanced Lucene Query Examples

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This article is part of our Academy Course titled Apache Lucene Fundamentals. In this course, you will get an introduction to Lucene. You will see why a library like this is important and then learn how searching works in Lucene. Moreover, you will learn how to integrate Lucene Search into your own applications in order to provide robust searching capabilities. ...

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Lucene Query (Search) Syntax Examples

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This article is part of our Academy Course titled Apache Lucene Fundamentals. In this course, you will get an introduction to Lucene. You will see why a library like this is important and then learn how searching works in Lucene. Moreover, you will learn how to integrate Lucene Search into your own applications in order to provide robust searching capabilities. ...

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Lucene Components Overview

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This article is part of our Academy Course titled Apache Lucene Fundamentals. In this course, you will get an introduction to Lucene. You will see why a library like this is important and then learn how searching works in Lucene. Moreover, you will learn how to integrate Lucene Search into your own applications in order to provide robust searching capabilities. ...

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Introduction to Lucene

apache-lucene-logo

This article is part of our Academy Course titled Apache Lucene Fundamentals. In this course, you will get an introduction to Lucene. You will see why a library like this is important and then learn how searching works in Lucene. Moreover, you will learn how to integrate Lucene Search into your own applications in order to provide robust searching capabilities. ...

Read More »

Apache Lucene Fundamentals Tutorial

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Course Overview Apache Lucene is a free/open source information retrieval software library, which provides Java-based indexing and search technology, as well as spellchecking, hit highlighting and advanced analysis/tokenization capabilities. Lucene is a high-performance, full-featured text search engine library written entirely in Java. It is a technology suitable for nearly any application that requires full-text search, especially cross-platform. In this course, ...

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Introductory NoSQL stuff

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While some of you might be NoSQL gurus, there is often a lack of solid knowledge about NoSQL in general and some common myths as well. Specifically, topics like NoSQL applicability/use cases and its comparison (fair and unfair) against relational databases are often driven by incomplete knowledge. I do not claim to be an expert in the NoSQL domain, but ...

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What is promotion rate?

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I do believe you are familiar with the Peter principle. In general, the principle is an observation that promotions can and will lead to a situation where the promoted person is no longer qualified for the job. For the JVM the similar problem exists. Promoting objects too fast can have significant impact to performance. In this post we open up ...

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Integrating JPA Hibernate with OptaPlanner

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We’ve been improving the integration of OptaPlanner with the rest of JEE, so it’s easier to build end user applications that just work. Let’s take a look at the improved JPA Hibernate integration. The basics Both JPA Hibernate and OptaPlanner work on POJO’s (Plain Old Java Objects), so just add some JPA annotations on your domain objects to persist them ...

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Stop empowering people – End disempowerment!

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In the last two posts I’ve discussed some problems with of self-organizing teams and highlighted the need to be clearer about what is actually meant when talking of, that is naming, self-organizing teams. At a minimum the labels need clear definition (I suggested some definitions and I hope someone knows some better ones.) I went further and I called for ...

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