Do you want to learn NLP?
This slide will help you learn basic concepts in NLP.
Also Checkout: http://bit.ly/2Mub6xP
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Please find the links to the colab notebooks here:
https://colab.research.google.com/drive/158H-lEJE1pc-xHc1ISBAKGDHMt_eg4Gn?usp=sharing
https://colab.research.google.com/d rive/1B_5ow3rvS0Qz1y-KyJtlMNnm gmx9w3kJ?usp=sharing
https://colab.research.google.com/d rive/1Xrm0gNaa41YwlM5g2CRYYX cRvpbDnTRT?usp=sharing
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Natural language processing for requirements engineering: ICSE 2021 Technical...alessio_ferrari
These are the slides for the technical briefing given at ICSE 2021, given by Alessio Ferrari, Liping Zhao, and Waad Alhoshan
It covers RE tasks to which NLP is applied, an overview of a recent systematic mapping study on the topic, and a hands-on tutorial on using transfer learning for requirements classification.
Please find the links to the colab notebooks here:
https://colab.research.google.com/drive/158H-lEJE1pc-xHc1ISBAKGDHMt_eg4Gn?usp=sharing
https://colab.research.google.com/d rive/1B_5ow3rvS0Qz1y-KyJtlMNnm gmx9w3kJ?usp=sharing
https://colab.research.google.com/d rive/1Xrm0gNaa41YwlM5g2CRYYX cRvpbDnTRT?usp=sharing
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See http://wiki.dublincore.org/index.php/VocDay_workshop_in_Lisbon and http://wiki.dublincore.org/index.php/Agenda2
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Introduction to Natural Language Processing
1. Natural Language Processing
SoSe 2016
Introduction to Natural Language Processing
Dr. Mariana Neves April 11th, 2016
Introduction to Natural Language Processing
http://bit.ly/2Mub6xP
6. Language
6
A vocabulary consists
of a set of words (wi
)
(http://learnenglish.britishcouncil.org/en/vocabulary-games)
A text is composed of a
sequence of words from
a vocabulary
A language is
constructed of a
set of all possible texts
(http://www.nature.com/polopoly_fs/1.16929!/menu/main/topColumns/topLeftColumn/pdf/518273a.pdf)
(http://www.old-engli.sh/language.php)
28. Level of difficulties
●
Easy (mostly solved)
– Spell and grammar checking
– Some text categorization tasks
– Some named-entity recognition tasks
28
29. Level of difficulties
●
Intermediate (good progress)
– Information retrieval
– Sentiment analysis
– Machine translation
– Information extraction
29
44. Morphology
●
The study of internal structures of words and how they can be
modified
●
Parsing complex words into their components
44
(http://allthingslinguistic.com/post/50939757945/morphological-typology-illustrations-from)
46. Semantics
●
The study of the meaning of words, and how these combine to
form the meanings of sentences
– Synonymy: fall & autumn
– Hypernymy & hyponymy (is a): animal & dog
– Meronymy (part of): finger & hand
– Homonymy: fall (verb & season)
– Antonymy: big & small
46
47. Pragmatics
●
Social use of language
●
The study of how language is used to accomplish goals, and
the influence of context on meaning
●
Understanding the aspects of a language which depends on
situation and world knowledge
47
Give me the salt!
Could you please give me the salt?
48. Discourse
●
The study of linguistic units larger than a single statement
48
John reads a book. He borrowed it from his friend.
(http://en.wikipedia.org/wiki/Berlin)
51. Ambiguity
●
One word/sentence can have different meanings
– Fall
●
The third season of the year
●
Moving down towards the ground or towards a lower
position
– The door is open.
●
Expressing a fact
●
A request to close the door
51
53. Syntax and ambiguity
●
I saw the man with a telescope.
– Who had the telescope?
53
(http://www.realtytrac.com/landing/2009-year-end-foreclosure-report.html)
54. Semantics
●
The astronomer loves the star.
– Star in the sky
– Celebrity
54
(http://www.businessnewsdaily.com/2023-celebrity-hiring.html)
(http://en.wikipedia.org/wiki/Star#/media/File:Starsinthesky.jpg)
57. NLP Course
●
Home page:
– http://hpi.de/plattner/teaching/summer-term-
2016/natural-language-processing.html
●
Lecture
–
– HS3
– 3 credit points
57
http://bit.ly/2Mub6xP
NLP for Machine Learning Featuring
Label Encoding
One hot encoding
Synonym treatment
Stemming
Lemmatization
Stop words
Parts Of Speech Tagging
TF-IDF and its math Behind