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#TF-IDF

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Machine Learning Applications

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Explore text mining applications in machine learning, covering techniques, challenges, transformations, and model building using logistic regression and TF-IDF for practical implementation.
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12 Lesons
1 hour 56 minutes
On-Demand
Free-Video

Natural Language Processing

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Explore natural language processing (NLP) concepts, review Text preprocessing and data cleaning, learn forward propagation and back propagation in neural networks, Word Embedding using Keras and deep learning with examples
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29 Lesons
10 hours
On-Demand
Free-Video
Data Science Dojo

Text Analytics Crash Course with R

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Learn text analytics fundamentals, data processing, machine learning models, and visualization techniques using R. Master handling big data and optimizing models for valuable insights from unstructured text.
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12 Lesons
6 hours 9 minutes
On-Demand
Free-Video
James Briggs

SPLADE - The First Search Model to Beat BM25

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Explore SPLADE, a groundbreaking sparse embedding model for AI-powered search. Learn its advantages over traditional methods, implementation techniques, and potential future developments in vector search technology.
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13 Lesons
29 minutes
On-Demand
Free-Video
IEEE

Side-Channel Attacks on Shared Search Indexes

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Explore side-channel attacks on shared search indexes, uncovering vulnerabilities in multi-tenant systems. Learn about STRESS attack techniques and their implications for popular services.
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17 Lesons
21 minutes
On-Demand
Free-Video
Data Science Dojo

Introduction to Text Analytics with R - Pre-Processing Our Test Data

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Learn to preprocess test data, cache IDF values, perform SVD projections, and evaluate model effectiveness for text analytics in R. Enhance your skills in handling unseen textual data and making predictions.
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5 Lesons
27 minutes
On-Demand
Free-Video
Data Science Dojo

N-Grams - Introduction to Text Analytics with R

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Explore N-grams in text analytics, including TF-IDF validation, word ordering, dimensionality challenges, and hardware limitations. Enhance your R-based text analysis skills.
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1 Lesons
30 minutes
On-Demand
Free-Video
Data Science Dojo

TF-IDF - Introduction to Text Analytics with R

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Explore TF-IDF for text analytics in R: improve document representation, handle unequal lengths and common terms, implement TF-IDF, and clean data matrices post-weighting.
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10 Lesons
33 minutes
On-Demand
Free-Video
Data Science Dojo

Singular Value Decomposition with R - Introduction to Text Analytics with R Part 8

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Learn to perform truncated SVD, project TF-IDF vectors into semantic space, compare decision tree and random forest models, and explore random forest tuning using R packages like irlba and caret for text analytics.
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1 Lesons
34 minutes
On-Demand
Free-Video
AI Bites

Improving RAG Pipelines with Contextual Information Retrieval

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Master advanced RAG techniques by exploring hybrid approaches combining semantic embeddings with TF-IDF and BM25, plus learn about Anthropic's Contextual Retrieval method for enhanced performance.
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12 Lesons
18 minutes
On-Demand
Free-Video
Discover AI

From Documents to Vectors: Understanding ChatGPT's Technical Architecture with OpenAI Plugins

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Dive into the technical architecture of ChatGPT plugins, exploring vector databases, API endpoints, and real-time data retrieval methods for enhanced AI capabilities.
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10 Lesons
20 minutes
On-Demand
Free-Video
Julia Silge

Topic Modeling with R and Tidy Data Principles

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Explore topic modeling in R using tidytext and stm packages, applied to Sherlock Holmes stories. Learn data preparation, text tidying, and model implementation techniques.
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8 Lesons
26 minutes
On-Demand
Free-Video
James Briggs

Vector-Based Methods for Similarity Search - TF-IDF, BM25, SBERT

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Explore three vector-based approaches for language comparison and document similarity: TF-IDF, BM25, and Sentence-BERT. Learn key techniques for building effective search engines in AI and machine learning.
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1 Lesons
29 minutes
On-Demand
Free-Video
EuroPython Conference

Building a Naive Bayes Text Classifier with scikit-learn

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Learn to build a Naive Bayes text classifier using scikit-learn, exploring preprocessing techniques and feature extraction methods for effective spam detection in YouTube comments.
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16 Lesons
30 minutes
On-Demand
Free-Video
OpenSource Connections

Breaking Search Performance Limits with Domain-Specific Computing

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Explore advanced search techniques using domain-specific computing to achieve faster latencies and higher scalability at billion-scale, overcoming limitations of general-purpose CPUs.
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1 Lesons
41 minutes
On-Demand
Free-Video
OpenSource Connections

Better Semantic Search with Hybrid Sparse-Dense Search - Haystack US 2023

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Explore hybrid search techniques combining sparse and dense embedding models to enhance semantic search accuracy and effectiveness in various scenarios.
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1 Lesons
46 minutes
On-Demand
Free-Video
Data Science Festival

Vector and Hybrid Search with Elasticsearch

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Explore vector and hybrid search in Elasticsearch, covering classic search limitations, models, implementation, and integration with LLMs like ChatGPT for enhanced data retrieval.
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1 Lesons
41 minutes
On-Demand
Free-Video
UofU Data Science

Data Mining: Embeddings and Representations in Machine Learning - Spring 2023

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Explore data representation techniques from TF-IDF to contextualized embeddings, covering word analogies, societal biases, and image representations for advanced data mining applications.
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13 Lesons
1 hour 15 minutes
On-Demand
Free-Video