Data Complexes, Obstructions, Persistent Data Merging
Offered By: Applied Algebraic Topology Network via YouTube
Course Description
Overview
Explore data complexes and their role in semi-automated data-alignment tools for commercial database software in this 54-minute lecture. Delve into the theory behind topological obstructions in database JOIN operations, learn how to detect these obstructions using obstruction cocycles, and understand the concept of persistence level in database collections. Examine the model category of data complexes, including morphisms, homotopy, and homology, and their application in measuring obstructions to finding measures on product spaces. Discover the compatibility of obstruction theory with a fibrant filtration built from the Wasserstein distance on measures. Cover topics such as global obstructions, applied math in database engineering, combinatorics, data tables, extension problems, data subcomplexes, and the Second Fundamental Theorem. Conclude with a discussion on local and global costs in database joins and homotopic groups.
Syllabus
Intro
Talk
Paper
Talk Outline
The Problem
Global Obstruction
Applied Math
Database Engineer
Combinatorics
Data Tables
Theorem
Extension Problem
Back to Reality
Data Complexes
Homodopy
Data Subcomplex
Obstructions
Data Subconfidence
Second Fundamental Theorem
Summarization
Questions
Local Global Costs
Database Joins
Homotropic Groups
Taught by
Applied Algebraic Topology Network
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