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Text Retrieval and Search Engines

Data Mining ,

Recent years have seen a dramatic growth of natural language text data, including web pages, news articles, scientific literature, emails, enterprise documents, and social media such as blog articles, forum posts, product reviews, and tweets. Text data are unique in that they are usually generated directly by humans rather than a computer system or sensors, and are thus especially valuable for discovering knowledge about people’s opinions and preferences, in addition to many other kinds of knowledge that we encode in text. This course will cover search engine technologies, which play an important role in any data mining applications involving text data for two reasons. First, while the raw data may be large for any particular problem, it is often a relatively small subset of the data that are relevant, and a search engine is an essential tool for quickly discovering a small subset of relevant text data in a large text collection. Second, search engines are needed to help analysts interpret any patterns discovered in the data by allowing them to examine the relevant original text data to make sense of any discovered pattern. You will learn the basic concepts, principles, and the major techniques in text retrieval, which is the underlying science of search engines.

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Rating 4.0 based on 137 ratings
Length 7 weeks
Starts Jun 26 (44 weeks ago)
Cost $99
From University of Illinois at Urbana-Champaign via Coursera
Instructor ChengXiang Zhai
Download Videos On all desktop and mobile devices
Language English
Subjects Data Science Programming
Tags Data Science Data Analysis Machine Learning

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What people are saying

retrieval and search engines

Text Retrieval and Search Engines is the second course in Coursera's new data mining specialization offered by the University of Illinois at Urbana-Champaign.

Very useful course about text retrieval and search engines.

Thanks Prof Excellent Introduction to Text Retrieval and Search Engines technologies.

I learned the basics of text retrieval and search engines.

Text Retrieval and Search Engines is the second course in Coursera's new data mining specialization offered by the University of Illinois at Urbana-Champaign.

The weekly content in Text Retrieval and Search Engines consists of around 10 video lectures that range from 5 to 20 minutes followed by a short 10 question quiz.

Text Retrieval and Search Engines is a decent course that is worth a look if you are interested in text data mining and search engines.

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search engine

The class content layout is excellent, it gives an overall picture about text retrieve and search engine, also point out the direction of further learning.

Good coverage of search engines.

The professor is very knowledgeable in the area of search engines.

I went from knowing nothing, to having a working sense of how search engine algorithms work.

Such a great course, definitely very enriching This is course provide me a detailed overview of the search engine and some new concepts that I am not aware of .

For example, presented material does not teach you what is required to build a good search engine.

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university of illinois

Having applied to the University of Illinois' Master of Computer Science - Data Science, I thought it'd be a good idea to take some of their Coursera courses to get a sense of the quality of their education.

text data mining

The course covers a variety of topics in text data mining and natural language processing including text retrieval, query ranking and evaluation methods, methods and the basics of recommender systems.

machine learning

I am now a human happily collaborating with machine learning systems.

If you are interested in applied machine learning techniques (for text retrieval and analysis) this is not really the course to take.

It would also appear as though the owners of the course material are not present on the forums with students left to their own devices.This course as well as the Text Mining one does not compare well with the Machine Learning course from Stanford offered on Coursera when considering the above issues.Some work is required I believe This course has good content but the way the content is presented is just terrible.

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turn into

As with many of Coursera's other 4-week specializations, however, lectures sometimes turn into information dumps where the professor ends up reading off slides.

It was a fun experience, and I hope that the theoretical approach will slowly turn into a combination of theory and practice.

been fixed

Couple of tests during the entire course need you to read ahead the next week's course and even though the issue has been reported more than 2 years ago, as of this writing, they have not been fixed In Week 1 and 4 questions to pass the assignment are coming from one week later....So the material provided every week to pass does not fit the assignment questions.Should be improved.

It is a great course, highly recommended for those who wants to work in the AI very very good The quiz content is out of sync with the lecture content and has not been fixed after what appears to be 2 years of comments in the course error message board and weekly discussion boards.

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even though

next week

Another way is finish courses of the next week, and then come back to finish the quiz of the previous week.

offered by

Second, and more importantly, I was disappointed by the explanations offered by Prof. Zhai.

current version of meta

Thirdly, currently the assignment files have not been updated in a long time, and they do not work correctly with the current version of MeTA (2.30) and thus you cannot complete the assignment without spending a lot of hours figuring out how to update the data provided YOURSELF to work correctly with the current version of MeTA.

The second assignment is better, but also has recommendations out of date with the current version of MeTA.

goodpretty goodpretty goodpretty goodpretty

pretty goodpretty goodpretty goodpretty goodpretty goodpretty goodpretty goodpretty goodpretty goodpretty goodpretty goodpretty goodpretty goodpretty goodpretty goodpretty goodpretty goodpretty goodpretty goodpretty goodpretty goodpretty goodpretty good The course is not very organised and even though they share a lot of information, it's not really very useful for someone who wants to get his/her hands dirty and really learn NLP/Text retrieval.

Careers

An overview of related careers and their average salaries in the US. Bars indicate income percentile.

Copy editor, text writer, weekly online columnist $44k

Data 1 2 $50k

Data 2 $50k

Text editor/verifier $62k

Text Editor $67k

Senior Copy editor, text writer, weekly online columnist $75k

Assistant Open Text CS Admin $82k

Data Scientist - Data Curation $92k

Team Open Text CS Admin Lead $110k

Data Analyst/Data Modeler $116k

Senior Product Manager for Text Systems $145k

Senior Software Engineer - Text Analytics $147k

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Rating 4.0 based on 137 ratings
Length 7 weeks
Starts Jun 26 (44 weeks ago)
Cost $99
From University of Illinois at Urbana-Champaign via Coursera
Instructor ChengXiang Zhai
Download Videos On all desktop and mobile devices
Language English
Subjects Data Science Programming
Tags Data Science Data Analysis Machine Learning

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