Feature Classification in Natural Language Processing

Feature classification or feature tagging involves correctly classifying or tagging a sizeable amount of data into distinct categories. A text can be analyzed and classified automatically in terms of topics, sentiment, and other features based on words, phrases, and other linguistic elements.

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feature classification

Steps in Feature Classification

Our feature classification services are high-quality and use a variety of methods.

Step 1

We use NLP to identify and categorize features within text or language data in order to perform feature classification.

Step 2

We group related words or phrases into categories, thereby making it easier to study language and improve machine learning algorithms.

Step 3

We also ensure we exclude non-informative or redundant predictors from our feature classification model for a high quality dataset.

Techniques in Feature Classification

Export Training Samples

Export Training Samples

For machine learning models to accurately recognize patterns, the data needs to be diverse, high quality, and error-free. Hence, feature classification in image processing involves identifying characteristics of features based on labeled data, where the labels are informatives and descriptives to determine how one feature differs from another.

Expressive-subjective Tagging

This is a technique used in machine learning to classify features based on their emotional or expressive content. A tagging system based on NLP algorithms identifies and classifies features in accordance with their emotional meaning. It is useful in applications such as sentiment analysis, opinion mining, and text classification.

Expressive-subjective Tagging
Direct-subjective Tagging

Direct-subjective Tagging

This method uses NLP for determining the sentiment of a given text. Businesses use tagging to understand customer sentiment and identify features that correlate strongly with sentiment. Sentiment analysis based on subjective tagging can help businesses find out what customers like or dislike about their products and services.

Objective-speech-event Tagging

Tags describing the content of spoken audio recordings are used for objective speech event tagging. Feature tagging in NLP aims to classify spoken audio into multiple dialogical categories. Analysis of the speech signals is done by analyzing the intonation, pauses, and voice frequency of the speech signals. A variety of tasks can be accomplished using objective speech event tagging, such as speech recognition and speech transcription.

Objective-speech-event Tagging

Use Cases of Feature Classification

Feature classification is used for building predictive models, understanding customer behavior, and segmenting customers for targeted marketing. Let’s look at some use cases below.

Customer Service

Customer Behavior Prediction

This can be used to determine whether a customer is likely to purchase additional items based on their shopping habits and browsing habits online.

Classification of Documents

Classification of Documents

The classification of documents into different categories can be accomplished using a multinomial feature classification model.

Image Classification

Image classification

It is possible to use a multinomial feature classification model to sort photos into different categories.

Product Categorization

Product Categorization

Multinomial classification can be used to categorize products regardless of what their respective merchants have assigned to them.

Malware Classification

Malware classification

Feature classification system can be extremely helpful for security experts when it comes to combating and preventing malware.

Outsource To Us

We have expertise in using classified data to develop training data for creating AI-enabled sentiment analysis tools to be used across industries.


Quality on a Promise

Our team is committed to delivering high-quality Text Annotations. Our training data is therefore tailored for the applications of our clients.


Uncompromised Data Security

Data security and confidentiality are of utmost importance to us. At all points in the annotation process, our team ensures that no data breaches occur.


Scalable with Quick Turnaround Time

We have the necessary resources and infrastructure to provide Text Annotation services on any scale while promising quality and timeliness.


Flexible Pricing

Besides offering flexible pricing, we can tailor our services to suit your budget and training data requirements with our pay-as-you-go pricing model.

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We have a team of highly skilled professionals who are experts in feature tagging, natural language processing annotation, and feature classification. We maintain high levels of quality tagging and annotation services. We also help you develop successful NLP models using chatbot training by bringing together over 1500 data experts.

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