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15-853:Algorithms in the Real World

15-853:Algorithms in the Real World

15-853:Algorithms in the Real World. Indexing and Searching (how google and the likes work). Indexing and Searching Outline. Introduction: model, query types Inverted File Indices: Compression, Lexicon, Merging Link Analysis : PageRank (Google), Hubs & Authorities Duplicate Removal.

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741 views • 63 slides
15-853:Algorithms in the Real World

15-853:Algorithms in the Real World

15-853:Algorithms in the Real World. Indexing and Searching I (how google and the likes work). Indexing and Searching Outline. Introduction: model, query types Inverted File Indices: Compression, Lexicon, Merging Vector Models: Latent Semantic Indexing:

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588 views • 46 slides
Information & Data Integration

Information & Data Integration

Information & Data Integration. Combining information from multiple autonomous sources. The end-game: 3 options. Have an in-class final exam 5/8 2:30pm is the designated time Have a take-home exam Make the final home-work into a take home

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571 views • 43 slides
Monitoring Message Streams : Retrospective and Prospective Event Detection

Monitoring Message Streams : Retrospective and Prospective Event Detection

Monitoring Message Streams : Retrospective and Prospective Event Detection. OBJECTIVE :. Monitor streams of textualized communication to detect pattern changes and "significant" events. Motivation: sniffing and monitoring email traffic. TECHNICAL PROBLEM :.

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487 views • 37 slides
eTouch Systems Presents NASA Portal Search Implementation September 17 th 2003

eTouch Systems Presents NASA Portal Search Implementation September 17 th 2003

eTouch Systems Presents NASA Portal Search Implementation September 17 th 2003 Agenda NASA Search Architecture Indexing Statistics Content Discovery Relevance Metadata Robots Exclusion Standards Browsable Categories Recommendations NASA Search Architecture

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733 views • 26 slides

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