Text Retrieval and Search Engines

МООК
en
Английский
24 h
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Source
  • From www.coursera.org
Conditions
  • Self-paced
  • Free Access
  • Fee-based Certificate
More info
  • 6 Sequences
  • Introductive Level

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Course details

Syllabus

  • Week 1 - Orientation
    You will become familiar with the course, your classmates, and our learning environment. The orientation will also help you obtain the technical skills required for the course.
  • Week 1 - Week 1
    During this week's lessons, you will learn of natural language processing techniques, which are the foundation for all kinds of text-processing applications, the concept of a retrieval model, and the basic idea of the vector space model.
  • Week 2 - Week 2
    In this week's lessons, you will learn how the vector space model works in detail, the major heuristics used in designing a retrieval function for ranking documents with respect to a query, and how to implement an information retrieval system (i.e., a search e...
  • Week 3 - Week 3
    In this week's lessons, you will learn how to evaluate an information retrieval system (a search engine), including the basic measures for evaluating a set of retrieved results and the major measures for evaluating a ranked list, including the average precisio...
  • Week 4 - Week 4
    In this week's lessons, you will learn probabilistic retrieval models and statistical language models, particularly the detail of the query likelihood retrieval function with two specific smoothing methods, and how the query likelihood retrieval function is co...
  • Week 5 - Week 5
    In this week's lessons, you will learn feedback techniques in information retrieval, including the Rocchio feedback method for the vector space model, and a mixture model for feedback with language models. You will also learn how web search engines work, inclu...
  • Week 6 - Week 6
    In this week's lessons, you will learn how machine learning can be used to combine multiple scoring factors to optimize ranking of documents in web search (i.e., learning to rank), and learn techniques used in recommender systems (also called filtering systems...

Prerequisite

None.

Instructors

ChengXiang Zhai
Professor
Department of Computer Science

Editor

L’université de l’Illinois à Urbana-Champaign est fondée en 1867 (UIUC). Le campus principal de l’université de l’Illinois est situé dans les villes jumelles de Champaign et Urbana, à deux cents kilomètres au sud de Chicago. 

Cette grande université est classée parmi les plus prestigieuses mondialement par divers moyens de mesure, comme le Center for World University Rankings qui la place 22ème mondialement pour la période 2020-21.

Platform

Coursera - это цифровая компания, предлагающая массовые открытые онлайн-курсы, основанные учителями компьютеров Эндрю Нгом и Стэнфордским университетом Дафни Коллер, расположенные в Маунтин-Вью, штат Калифорния.

Coursera работает с ведущими университетами и организациями, чтобы сделать некоторые из своих курсов доступными в Интернете, и предлагает курсы по многим предметам, включая: физику, инженерию, гуманитарные науки, медицину, биологию, социальные науки, математику, бизнес, информатику, цифровой маркетинг, науку о данных и другие предметы.

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