k-means clustering

What is Clustering?
Clustering is the process of partitioning a group of data points into…

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Filter Queries in Solr

Solr provides Query (q parameter) and Filter Query (fq parameter) for searching.

The query (q parameter), as the name suggests, is the main query used for searching. Example

q = title:james

Filter queries are used alongside query (q…

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Data Binding with AngularJS

AngularJS is a JavaScript framework developed by Google. Angular is what HTML would have been, had it been designed for applications.

Data binding is the most useful and powerful feature of…

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Evaluating Search Engine Relevance with Precision Testing

Evaluating search engines

For any information retrieval system, a major challenge is to provide the most relevant and meaningful search results to the user. It should not return irrelevant results in…

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Atomic Updates in Solr

In Solr Once the data is indexed in changes to the Solr schema or…

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Solr: Backed up? Now you can restore soon!

One of the lesser known but cool features of ReplicationHandler is support for index backup. You must have used ReplicationHandler in…

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Ontologies vs Taxonomies vs Thesauri , and its place on the Semantic Web

Ontology :

An ontology formally defines a common set of terms that are used to describe and represent a domain. An ontology is domain specific, and it is used…

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SOLID architecture principle using C# with simple C# example

In this blog, I am going to explain you the SOLID architecture principle using simple C# code. This would help to build application with layer architecture with readable and easily…

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Usability of SecureString object in C#

In this blog, I am going to explain you the Advantage and usability of “SecureString” object in C# .Net framework. 

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Solr Optimistic Concurrency Unlocked!

If you have multiple clients updating documents, it’s really critical to ensure that newer…

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