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Top Ten (10) Concepts in Artificial Intelligence

From UBC Wiki
Cox & Mazumdar (2024). Definitions of artificial intelligence gathered by librarians

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Introduction

Artificial intelligence encompasses broader goals of simulating human intelligence, followed by machine learning, which focuses on learning patterns from data, and deep learning, which uses layered neural networks. These systems learn through supervised, unsupervised, and reinforcement models, each suited to different types of data and problem-solving. At the core of deep learning are neural networks, which enable advances in natural language processing which is a key area for libraries and research involving text analysis, summarization, and retrieval. Modern NLP is driven by large language models (LLMs), which rely on transformer architectures, tokens and introduce challenges like hallucination. Information retrieval has evolved through embeddings and semantic searching, improving discovery beyond keyword and controlled searching.

Issues of bias, fairness, and explainability are critical, especially in scholarly and clinical contexts. Evaluating AI requires metrics such as precision and recall to assess performance. Generative AI now enables creation of text, images, and audio, raising important ethical concerns. As a result, governance and policy addressing copyright, misinformation, and accountability are essential for responsible AI use in libraries and beyond.

Top Ten (10) Concepts in Artificial Intelligence

1) Artificial intelligence (AI) vs. Machine learning (ML) vs. Deep Learning (DL)
  • The hierarchy of terms: AI (broad field) → ML (subset: systems learn patterns from data) → DL (subset of ML using neural networks).
2) Supervised, Unsupervised, and Reinforcement Learning
  • The three major learning paradigms:
  • Supervised: labeled data (e.g., training models to recognize cancer images).
  • Unsupervised: unlabeled data (e.g., clustering articles by topic).
  • Reinforcement: learning by trial and error with rewards (e.g., game-playing AI).
3) Neural networks
  • The structure of deep learning models (layers, weights, activations).
  • Key to understanding natural language processing (NLP) and computer vision.
4) Natural language processing (NLP)
  • Core to AI in libraries/research: text classification, summarization, entity recognition, embeddings, search/retrieval.
5) Large language models (LLMs)
  • Modern NLP systems (GPT, LLaMA, Claude).
  • Concepts: transformers, tokens, context windows, fine-tuning, hallucination.
6) Searching & information retrieval (IR)
  • Embeddings, vector search, semantic searching vs. keyword search.
  • Essential for understanding AI-powered discovery tools.
7) Bias, Fairness, and Explainability
  • How training data shapes outcomes.
  • Why transparency and interpretability matter in scholarly and clinical contexts.
8) Evaluation metrics
  • Accuracy, precision, recall, F1 score, ROC curves—how we measure “good” AI.
  • Important for comparing search tools or summarization systems.
9) Generative AI
  • Text, image, audio, and multimodal generation.
  • Key concept: diffusion models (images), transformer-based models (text).
10) Ethics, Governance, and Policy in AI
  • Issues of copyright, misinformation, reproducibility, accountability.
  • Especially relevant for librarians, publishers, and educators.

References

Disclaimer

  • Note: Please use your critical reading skills while reading entries. No warranties, implied or actual, are granted for any health or medical search or AI information obtained while using these pages. Check with your librarian for more contextual, accurate information.