Vector Space Semantics (and Information Retrieval)

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Related lectures (41)

Word Embeddings: Models and Learning Log in to Mediaspace to watch this video

Explores word embeddings, context importance, and learning algorithms for creating new representations.

Latent Semantic Indexing Log in to Mediaspace to watch this video

Covers Latent Semantic Indexing, a method to improve information retrieval by mapping documents and queries into a lower-dimensional concept space.

Information Retrieval: Basics and Techniques Log in to Mediaspace to watch this video

Introduces the basics of Information Retrieval, covering indexing, weighting schemes, cosine similarity, and query evaluation.

Latent semantic indexing: inverted files Log in to Mediaspace to watch this video

Explores term-offset indices in inverted files and relevance feedback solutions.

Polynomials: Operations and Properties Log in to Mediaspace to watch this video

Explores polynomial operations, properties, and subspaces in vector spaces.

Text Models: Word Embeddings and Topic Models Log in to Mediaspace to watch this video

Explores word embeddings, topic models, Word2vec, Bayesian Networks, and inference methods like Gibbs sampling.

Optimization in Machine Learning Log in to Mediaspace to watch this video

Explores optimization techniques, word embeddings, and recommendation systems in machine learning.

Untitled Log in to Mediaspace to watch this video

Latent Semantic Indexing: Concepts and Applications Log in to Mediaspace to watch this video

Explores latent semantic indexing, vocabulary construction, document matrix creation, query transformation, and document retrieval using cosine similarity.

Word Embeddings: Glove and Semantic Relationships Log in to Mediaspace to watch this video

Explores word embeddings, Glove model, semantic relationships, subword embeddings, and syntactic relationships.

Information retrieval: vector space Log in to Mediaspace to watch this video

Covers the basics of information retrieval using vector space models and practical exercises on relevance feedback and posting list scanning.

Linear Independence and Bases Log in to Mediaspace to watch this video

Covers linear independence, bases, and coordinate systems with examples and theorems.

Linear Algebra: Quantum Mechanics Log in to Mediaspace to watch this video

Explores the application of linear algebra in quantum mechanics, emphasizing vector spaces, Hilbert spaces, and the spectral theorem.

Orthogonal Subspace: Vector Space Log in to Mediaspace to watch this video

Explores the orthogonal subspace in a vector space, demonstrating its properties and dimension determination.

Linear Algebra: Vector Subspaces and Combinations Log in to Mediaspace to watch this video

Explores vector subspaces and linear combinations in linear algebra, focusing on the reciprocal relationship between lines, columns, and elements.

Geometry: Geometric Computing Log in to Mediaspace to watch this video

Covers fundamental concepts in geometric computing, exploring stability, vector spaces, barycentric coordinates, and triangle meshes.

General Group Actions Log in to Mediaspace to watch this video

Explores group actions on spaces, including fixed points and non-trivial actions.

Keyphrase Extraction Log in to Mediaspace to watch this video

Covers keyphrase extraction, a method to extract important phrases from text for document summarization, indexing, and search.

Linear Algebra: Systems of Linear Equations Log in to Mediaspace to watch this video

Introduces linear algebra concepts, focusing on solving systems of linear equations and their representations.

Physics Scales and Measurements Log in to Mediaspace to watch this video

Explores physics scales, measurements, historical definitions of meter and kilogram, time definition, and scalars and vectors.

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