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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Enhancing Information Findability

Findability is about making information easier to find. Findability is what unlocks the value of content, and transforms content into knowledge. After all, what cannot be found, might…

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Collaborative and Content-Aware Approaches to Recommendation

Recommender systems have become extremely common in recent years, and are applied in a variety of applications. The goal of a Recommender System is to generate meaningful recommendations to users for items or…

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Latent Semantic Indexing - An Introduction

Have you heard of Latent Semantic indexing (or analysis)? You would have come across the lingo if read about semantics and machine learning. I too had. But never went beyond reading…

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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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