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T/DG Blog - Digital Thoughts
Using Solr and TikaOCR to search text inside an image

Using Solr and TikaOCR to search text inside an image

Tesseract is probably the most accurate open source OCR engine available and with Apache Tika 1.7 you can now use the awesome Tesseract OCR parser within Tika!


Solr 5.x has support…

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Solr vs ElasticSearch

Solr vs ElasticSearch

“Which one should I choose, Solr or ElasticSearch?” The question is quite frequently asked by…

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AngularJS Isolated Scope Directives

AngularJS Isolated Scope Directives

Introduction:

In AngularJS by default directives get the parent scope.This will useful when…

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Semantic Analysis of Text

Semantic Analysis of Text

There are several open APIs that provide analysis of text and content discovery services. We conducted an informal study of some of the free services to identify their capabilities and…

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Which one should you use: angular. copy or angular. extend?

Which one should you use: angular. copy or angular. extend?

As you’d expect, the correct answer to this questions is not between which one to use, but rather which one you need. And the best person to answer this is…

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Message Queuing - RabbitMQ

Message Queuing - RabbitMQ

1. Message Queuing

Message queuing is a mechanism by which sender sends a message to receiver asynchronously. Sender and receiver may or may not interact with the message at the same…

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Grouping Results with Solr

Grouping Results with Solr

Grouping Results:

Imagine a situation where your data set is divided into different categories, subcategories,price ranges, and things like that. What if you would like to n ot only get information…

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Punctuation replacement using regular expression

Punctuation replacement using regular expression

Replace all the punctuations from a string by “space + punctuation + space” using Pattern Matcher – Regular expression in java.


Input string:

“Article: The Journal of clinical endocrinology and metabolism Endometrial and pituitary responses…

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Using Solr's ComplexPhraseQueryParser

Using Solr's ComplexPhraseQueryParser

ComplexPhraseQuery allows complex phrase query syntax e.g “canc* treat* “. It Performs multiple passes over Query text to parse any nested logic in PhraseQueries.


The first pass takes any PhraseQuery content…

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Understanding Onion Architecture

Understanding Onion Architecture

In this post I am going to talk about Onion Architecture. There are several…

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